mcset 2009
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MCset 17.5 kV Medium Voltage Distribution
Air insulated switchboardWithdrawable switchgear SF6 or vacuum technology
Catalogue2009
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A new path for achieving your electrical installations
A comprehensive offer
The MCset range is part of a comprehensive offer of products that are perfectly coordinated to meet all medium and low voltage electrical distribution requirements. All of these products have been designed to work together: electrical, mechanical and communication compatibility.The electrical installation is thus both optimised and has improved performance:@ better service continuity,@ increased personnel and equipment safety,@ guaranteed upgradeability,@ effi cient monitoring and control.You therefore have all the advantages at hand in terms of know-how and creativity for achieving optimised, safe, upgradeable and compliant installations.
Tools for facilitating the design and installation
With Schneider Electric, you have a complete range of tools to help you get to know and install the products whilst complying with current standards and good working practices. These tools, technical sheets and guides, design software, training courses, etc are regularly updated.
For a real partnership with you
A universal solution doesnt exist because each electrical installation is specifi c. The variety of combinations on offer allows you to truly customise the technical solutions.You are able to express your creativity and put your know-how to best advantage when designing, manufacturing and exploiting an electrical installation.
Schneider Electric is associating itself with your know-how and your creativity to produce optimised, safe, upgradeable and compliant installations
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MCset 17.5 kV General contents
Presentation 5
General 13
Cubicle description 25
Protection, monitoring and control 33
Switchgear 43
Installation 73
Appendices 79
Note: this catalogue replaces the previous version DEAI02EN - 10-2007
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MCset 17.5 kV Presentation
MCset, the strength of experience 6The ranges advantages 7MCset, continuity of service and complete safety 8MCset, a comprehensive solution 9Quality - Environment - Maintenance 11A few references 12
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MCset adapts to all electrical power distribution requirements from 1 to 17.5 kV
MCset is an indoor, metal-clad switchgear unit intended for the MV section of HV/MV substations and high power MV/MV substations.
MCset offers you:pre-engineered and adaptable solutions tailored to your specific
requirements,SF6 and vacuum switching technologies,significantly reduced maintenance,local support centres throughout the world.
MCset gives you the advantages of:continuity of service for your networks,enhanced safety for your staff and operations,optimized investment throughout the life of your installation,the possibility of integrating your medium voltage switchboard
in a monitoring and control system.
MCset is present on all power distribution marketsEnergy
Electric power stations (thermal, nuclear),Auxiliary substations,Source substations.
IndustryOil & gas,Chemical industry,Paper mills, Metallurgy,Car industry,Mining,Cement plants,
InfrastructureAirports,Ports,Hospitals,Water treatment,
Marine and Navy applicationsCruisers,Container ships,Tankers,Offshore platforms, fixed and mobile, LNG (Liquid Natural Gas),Navy,
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Presentation MCset, the strength of experienceP
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Presentation The ranges advantagesP
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MCset is solidly based on extensive experience acquired throughout the world and provides your electrical network with a high level of dependability and safety.MCset integrates a host of innovative solutions designed around proven techniques: high performance switchgear, digital protection, monitoring and control systems, enclosures capable of withstanding internal arcing.MCsets design and experience allow you to benefit from its experience and ensure, now and in the future:
SafetyOperations are all performed from the front, including access to
connections and busbars.Racking in and out is only possible with the door closed.The power-on indicator is situated on the front of the functional unit.A earthing switch with making capacity.One single anti-reflex handle is used for all MCset operations.Internal arc withstand developed for all functional units.
Reduced maintenance and fewer failuresThermal monitoring and temperature rise location.
ReliabilityType testing was carried out for each performance level in the MCset
range.The design, manufacturing and testing of MCset was carried out
according to ISO 9001quality standard.Three-dimensional computer modeling techniques were used to study
the electrical fields.
Simplicity A user interface which is easily understood by everybody.Interlocks and padlocks preventing operator errors.Sepam-type protection units enabling on-site information retrieval
without any additional devices.Maintenance limited to simple, routine operating checks and cleaning
and greasing every 5 to 10 years.Easy installation due to identical civil engineering dimensions for
all cubicles and installation being possible against a wall.
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MCset provides the most efficient means to control and protect a wide range of applications.Due to the devices it comprises, MCset can be easily integrated into a monitoring and control system.
Sepam protection and control unitsSepam series 20, series 40 and series 80 digital protection relays take full advantage of Merlin Gerin experience in electrical network protection.Sepam series 20, series 40 and series 80 provides all the necessary functions:
effective protection of people and property,accurate measurements and detailed diagnosis,integral equipment control,local or remote indication and operation.
Easy evolutionAddition of communication, digital I/Os, analog output, or temperature acquisition are possible due to its modular design.
PowerMeter and Circuit Monitor metering unitsThe PowerLogic PowerMeter replaces a full complement of basic analog meters. This cost effective, high performance meter provides a full complement of accurate true-rms metering values.The PowerLogic series 3000/4000 Circuit Monitor is designed for critical power users and large energy consumers, to provide the information needed to confidently enter the evolving world of deregulation.It can be adapted to meter almost any time-of-use or real-time rate.
Monitoring and controlMCset can be easily:
integrated into an existing monitoring and control system:communication between Sepam digital relays and PowerMeter/Circuit Monitor metering devices via a standard protocol (Modbus),
integrated into a SMS PowerLogic electrical installation monitoring system.
Thermal diagnosis systemSpecially designed for Schneider Electric MV equipment,this system continuously monitors the temperature rise, using optical fibres and sensors installed at the heart of the sensitive areas.Thermal diagnosis system reduces the probability of failure and reduces maintenance time.
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and complete safety
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Sepam
Sepam
CM/PM
TCP/IP over Ethernet
Front socketHub
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MCset switchboard
MCset Transparent Ready optionMCset switchboards integrate Web technologies so that you can find out information about your electrical installation as easy as opening a Web page.All you need is a standard Web browser and a PC connected to your local area network.
Simple choiceA simple choice between TRe-1 and TRe-2 service levels allows you to easily order your Transparent Ready MCset switchboard.A customized level is also available.Your Transparent Ready MCset switchboard comes equipped with a Web server including Web pages dedicated to power equipment data.
Easy commissioningTransparent Ready equipment is delivered ready to connect and commission. A Quick Start guide, packaged with your switchboard, provides three easy-to-follow steps.
Functionalities providedTRe-1 TRe-2
Instantaneous readingsDisplays automatically updated meter values
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Circuit summary Displays the RMS current 3-phase average (A),the real power (kW), the power factor, the circuit breaker status (if applicable), etc.
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Load current summaryDisplays the current RMS value for each phase (A), for all circuits
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Demand current summaryDisplays the average demand current value for each phase (A), for all circuits
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Power summaryDisplays the present demand (kW), the peak demand (kW) and the times and dates of the records
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Energy summary Displays the energy (kWh) the reactive energy (kvarh), and the times and dates of the records
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Instantaneous readings, all devices Basic historical data logging, energy and trendingDisplays automatically updated meter values for all the communicating devices in the equipment
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Log displaysDisplays data as time curves, or tables
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Export of data tablesAllows data tables to be exported in a standard Windows format
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Presentation MCset, a comprehensive solution
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Presentation MCset, a comprehensive solution (cont.)
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Schneider Electric Services, by your sidethroughout the life of your installation
SpecifyingWe help you to define your solutions: selection guide, technical assistance, advice
ImplementingWe oversee the completion and commissioning of your installation: design, cost optimization, guaranteed performances and dependability, commissioning tests, etc.
OperatingWe help run your daily operations in real time: maintenance contract, technical assistance, supply of replacement parts, corrective and preventive maintenance, operation and maintenance training, etc.
ModernizingWe can bring the performance of your installation up to date:installation audit, switchgear diagnosis, adaptation and modification, end of life recycling, etc.
Examples of services providedWarranty extensionA warranty extension is proposed if your installation is checked by ourselves before being commissioned.
Circuit breaker-contactor diagnosisThroughout the life of the equipment, it is possible to carry out routine measurement of its characteristics in order to optimize maintenance. This service may be part of a global installation maintenance contract.
Help with preventive maintenanceA MCset 1 2 3 Maintenance & Services guide is available and gives the most important general instructions for:
reducing equipment wear and tear (and/or failure)ensuring that the equipment is safe during all installation, repair and
servicing operations.In the pages of this guide, all the information needed for:
operations on: control mechanisms, insulating materials and vents, power circuits, auxiliary circuits.
recommended frequency according to operating conditions: normal, in a corrosive atmosphere, for naval use.
End-of-life recyclingSchneider Electric Services has an operational subsidiary allowing you to recycle your medium voltage switchgear.
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Modernizing Operating
Specifying Implementing
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Presentation Quality - Environment - Maintenance
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Certi ed quality: ISO 9001 and ISO 9002A major assetIn each of its units, Schneider Electric integrates a functional organization whose main role is to check quality and monitor compliance with standards. This procedure is:
uniform throughout all departments,recognized by many customers and approved organizations.
But above all, it is its strict application that has allowed us to obtain the recognition of an independent organization: The French Quality Assurance Association (AFAQ).The quality system for the design and manufacture of MCset is certified to be in conformity with the requirements of ISO 9001 quality assurance standard.
Strict and systematic checksDuring manufacture, each MCset functional unit is subject to systematic routine testing with the aim of checking the quality and conformity of the following features:
measuring of opening and closing speeds,measuring of operating torque,dielectric test,testing of safety systems and interlocks,testing of low voltage components,conformity with drawings and diagrams.
The results obtained are recorded and approved by the quality control department on each devices test certificate.This therefore guarantees product traceability.
Checking SF6 switchgearsealing test,filling pressure test.Checking vacuum switchgear
Each vacuum interrupter, sealed and airtight, is checked for the quality of the vacuum obtained. This pressure measurement is based on the proven magnetron discharge method. Using this sophisticated procedure, measurement is very precise and does not require access to the inside of the bulb, thus not affecting the airtight seal.
Protected environmentSchneider Electric is committed to a long-term environmental approach.All the necessary measures have been taken in conjunction with our services, suppliers and subcontractors to ensure that the materials used in the composition of the MCset equipment do not contain any substances prohibited by the regulations and directives.In order to help you protect the environment and to relieve you of any concerns in terms of stock or dismantling, Schneider Electric Services offers to take back your equipment at the end of its life. MCset has been designed with environmental protection in mind:
the materials used, insulators and conductors are identified, easily separable and recyclable,
the SF6 can be recovered at the end of the equipments life and reused after treatment,
The environmental management system adopted by Schneider Electrics production sites for the manufacture of MCset has been assessed and recognised as conforming to the requirements of the ISO 14001 standard.
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Presentation A few referencesMCset, a product for all your electrical distribution applications
Energy and InfrastructureOil and Gasb
Occidental Mukhaizna LLC OmanQatargas Technip QatarTengiz Chevroil JV KazakhstanAbu Dhabi Oil Refining Company United Arab EmiratesQatar Petroleum QatarONAL GabonSyrian Gas Company SyriaYemen LNG Company YemenTurkmengaz TurkmenistanYemgas Technip YemenAlya Co KazakhstanPazflor (*) Angola
InfrastructurebItalian Railways Italy
MarinebFREMM FranceSubsea NorwayZhen Hua Port Machinery ChinaSTX Shipyard KoreaSovcomflot RussiaM.O.L. JapanCPOC MalayaNorvegian Cruise Lines USAConti Rederei GermanyPetropod NorwayTMT TaiwanBritish gas United KingdomMSC ItalyJan de Nul BelgiumNikki Shipping Greece
Power generationbMoranbah Generation Facility AustraliaSonelgaz AlgeriaEnertherm FranceErgon Energy AustraliaChina Nuclear Power programmes ChinaMount Isa Clark Energy AustraliaLa Termica ItalyAl Fanar Electrical System KSA
IndustryMining, Minerals & Miningb
Croesus Mining AustraliaRollestone Coal Pty LTD AustraliaCiment Karadag AzerbaijanArab Union Contracting Company LibyaCiment Lafarge Equator - TurkeyArcelor LuxemburgBHP Billiton AustraliaFord Motor BelgiumOpel RussiaCyristal Chemical Ind. Co. Saudi ArabiaCiment Bastas Turkey
WaterbIrak Traitement des eaux IrakAlgrienne des eaux Algeria
BuildingsHotelsb
Hamilton Island AustraliaAl Bustan Palace Hotel Oman
Industrial buildings - OfficesbCentral Park Mall of Jeddah KSAEmta Adana Irak
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MCset 17.5 kV General
Description 14Technical characteristics 16Operating conditions 17Protection of people 18Specific applications 19Marine applications 20A range for all functions 22Choice of functional units
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General Description
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Sepam
Busbars
Withdrawable part
Current transformers
Cablesconnection
LV control cabinet
Voltagetransformerscompartment
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General Description (cont.)
LSC2B (Loss of Service Continuity IEC 62271-200):this category defines the possibility of keeping other compartments energised (in service) when opening a main circuit compartment.
Make up of an MCset switchboardMCset switchboards are made up of several interconnected functional units.Power connections are made between functional units within a switchboard via a single busbar.The electrical continuity of all metal frames is provided by the connection of each functional units earthing busbar to the switchboards main earthing circuit.Low voltage wiring trays are provided in the switchboard above the low voltage control cabinets.LV cables can enter the switchboard through the top or bottom of each functional unit.
Description of a functional unitA functional unit comprises all equipment in the main and auxiliary circuits which together provide a protection function. Each functional unit combines all the components which are required to fulfil this function:
the cubicle,the protection, monitoring and control system,the withdrawable part.
The cubicleThe cubicle is of LSC2B (Loss of Service Continuity Category) type as defined by IEC standard 62271-200, in other words the medium voltage parts are compartmented using metal partitions (PM class) which are connected to earth and which separate:
the busbars,the withdrawable part (circuit-breaker, fuse-contactor, disconnector truck or
earthing truck),MV connections, earthing switch, current sensors and voltage transformers
as required.MCset guarantees a high level of protection of people; when a compartment containing a main circuit is open, the other compartments and/or functional units may remain energised.The low voltage auxiliaries and monitoring unit are in a control cabinet separated from the medium voltage section.Five basic cubicle layouts are offered:
incomer or feeder ADline up bussection CL - GLbusbar metering and earthing TTswitch-fuse feeder DI
AD and CL cubicles have withdrawable vacuum type circuit-breaker and contactor switchgear.
The protection, monitoring and control systemThis includes:
Sepam, protection, monitoring and control unit,current sensors, which may be of 3 types,conventional current transformers,low voltage toroid type current transformers,LPCT type current transformers.CSP type broad-range current transformers,voltage transformers,zero sequence core balance current transformers (CSH type).
The withdrawable partThis includes:
the circuit-breaker, contactor or the earthing truck with its closing and opening mechanism, or the disconnector truck,
the lever-type propulsion mechanism for racking in-out,interlocks to fix the withdrawable part on the fixed part either in service position
or disconnected.
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General Technical characteristicsP
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IAC (internal arc classification):The metal enclosed switchgear may have different types of accessibility on the various sides of its enclosure. For identify purpose of different sides of the enclosure, the following code shall be used (according to IEC 62271-200 standard):A: restricted access to authorized personnel onlyF: access to the front sideL: access to the lateral sideR: access to the rear side.
The values below are given for normal operating conditions as defined in IEC 62271-200 and 60694.
Rated voltage (kV)7.2 12 17.5 (6)
Rated insulation levelPower frequency withstand voltage 50 Hz - 1 min (r ms kV) 20 28 38Lightning impulse withstand voltage 1.2/50 s (kV peak) 60 75 95Nominal current and maximum short time withstand current (1)Functional unit with circuit breaker
Short time withstand current
Ith max. (kA/3 s) 25 25 2531.5 31.5 31.540 40 40
(kA/3 s) (7) 50 50 50 (6)
Rated current In max. busbar (A) 4000 4000 4000Rated current In CB (A) 1250 1250 1250
2500 2500 25003150 3150 31504000 (2) 4000 (2) 4000 (2)
Functional unit with fuse-contactor (3)
Short time withstand current
Ith max. (kA) 50 (4) 50 (4) (5)
Rated current In max. (A) 250 200 (5)
Functional unit with switch-fuse (DI cubicle)Short time withstand current
Ith max. (kA) 50 (4) 50 (4) 31.5 (4)
Rated current In max. y (A) 200 200 200Internal arc withstand (maximum value)
(kA/1 s) 50 50 50
(1) For functional units equipped with circuit breakers or fuse-contactors,the breaking capacity is equal to the short time withstand current. In all cases, the device peak making capacity is equal to 2.5 times the short time withstand current. (2) With fan. (3) Lightning impulse dielectric withstand voltage = 60 kV peak.(4) Limited by fuses.(5) With Rollarc contactor.(6) Limited to 15 kV - 50 kA with Evolis HP circuit breaker. Limited to 17.5 kV - 40 kA with LF circuit breaker.(7) Limited to 1 s for In circuit breaker: 1250 A.
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General Operating conditionsP
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Normal operating conditions, according to the IEC International Standards listed below, for indoor switchgear.
Ambient air temperature:less than or equal to 40C,less than or equal to 35C on average over 24 hours,greater than or equal to 5C.Altitude:less than or equal to 1000 m,above 1000 m, a derating coefficient is applied (please consult us).Atmosphere:no dust, smoke or corrosive or inflammable gas and vapor, or salt
(clean industrial air).Humidity:average relative humidity over a 24 hour period 95%,average relative humidity over a 1 month period 90%,average vapor pressure over a 24 hour period 2.2 kPa,average vapor pressure over a 1 month period 1.8 kPa.
Specific operating conditions (please consult us)MCset has been developed to meet the following specific conditions:
temperature (possible derating),corrosive atmospheres, vibrations, (possible adaptation).
Storage conditionsIn order to retain all of the functional units qualities when stored for prolonged periods, we recommend that the equipment is stored in its original packaging, in dry conditions sheltered from the sun and rain at a temperature of between 25C and + 55C.
StandardsThe MCset range meets the following international standards:
62271-1 : clauses common to high voltage switchgear62271-200 : metal-enclosed switchgear for alternating current at rated voltages
of between 1 and 52 kVIEC 62271-100 : high voltage alternating current circuit breakersIEC 60470 : high voltage alternating current contactorsIEC 60265-1 : high voltage switchesIEC 60282-2 : high voltage fusesIEC 60271-102 : alternating current disconnectors and earthing switchesIEC 60255 : measurement relay and protection unit for the applicable partsIEC 60044-1 : current transformersIEC 60044-2 : voltage transformersIEC 60044-8 : electronic current transformers (for LPCT).
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General Protection of peopleM
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MCset switchboard with tunnel
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MCset internal arcBasic version (gas exhaust) MCset is designed to eliminate the effects of internal arcing in total safety, due to:
metal flaps positioned above the enclosure, which in the case of internal fault, limit overpressure in the compartments.
nonflammable materials used for the cubicle.Internal arc versionMCset is designed to withstand and protect operators in the case of failure due to an internal arc. MCset has been successfully tested using type tests.Protection against internal arcing is available on 25 kA, 31.5 kA, 40 kA and 50 kA ratings.MCset proposes several options to install an internal arc switchboard.
3-sided internal arc protection For an MCset switchboard fitted against a wall, access to the rear of the cubicle is impossible. Internal arc protection on 3 sides is sufficient.
4-sided internal arc protectionIn the case of an MCset switchboard installed in the middle of a room, internal arc protection on 4 sides is necessary in order to protect an operator who goes behind the cubicle.
Installation in a room with limited ceiling height:height exceeding 2.8 m, potential for installing a tunnel above the switchboard to
prevent reflection of hot gases on the ceiling.Ceiling height Tunnel2.8 m < h < 4 m Mandatoryh > 4 m Not mandatory
Internal arcing detector MCset has 2 systems that can detect internal arcing and switch off the power supply so as to limit the fault duration.
electromechanical detectorThis system employs a positive security electromechanical tripping circuit, positioned on the cubicles flap valves. This set transmits the information to the Sepam to give the opening order to the circuit breaker located upstream of the fault.
optic detector (VAMP system)Internal arcing is detected by optical sensors which will measure the light caused by the initiation of arcing. Based on this information, an electronic module, after processing the information, will give the opening order to the circuit breaker located upstream of the fault.
Dependable mechanical control devicesAll operations are carried out from the front face, including access to connections and busbars.The user is guided through icon-diagrams on each front panel making it easy to understand the operating sequence and device status.Interlocks and padlocks prevent operator errors.Several additional levels of security also protect operators:
racking in and out is only possible with the door closed.locking of the MV door open if the LV plug of the circuit breaker is not plug-in.the very extensive set of mechanical and electrical interlocks do not allow operator
error. These can be added to by key locks or padlocks according to specific operating procedures. Each selector can be fitted with one to three padlocks.
all operations are carried out from the front face including access to connections and busbars.
the voltage present indicator is located on the front face of the functional unit, in the immediate vicinity of the earthing switch control.
disarming of circuit breaker when racking out. This function enables the circuit breaker control springs to be disarmed during the extraction operation.
locking of withdrawable part/cable compartment. This function disables the possibility of racking the withdrawable part in if the front panel (cable compartment) is not installed.
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General Speci c applicationsP
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The medium voltage electrical distribution switchgear in a nuclear power station must meet the most stringent requirements. Schneider Electrics experience in this area over more than 30 years is proposed to you via the MCset range. Certified by the chief nuclear standards (IEC, RCCE), MCset provides you with:
Optimized personal safety,Solidity of electrical and mechanical solutions,Switchgear subjected to various tests:seismic,electrodynamic,switch-off.Panel of compact cubicles.
Seismic areasMCset meets international seismic specifications. Test procedures follow IEC 60068-3-3 standard.MCset is qualified following the standards:
UBC 97,IBC 2000,MSK 64,ENDESAEDF HN.20.E53.
DEP ShellMCset switchboards are certified by Shell n compliance with DEP 33.67.51.31 Gen (July 1998 - updated November 2006) for MV equipments.
GOST certification (Russia)The GOST certification system applies to most of the products sold and used in Russia.As far as electrical equipment is concerned, this certificate applies when the equipment is used under the following conditions:
electrical equipment designed for use in an explosive environment and in mines,equipment related to the oil and gas industries: prospecting, exploration, refining,
transportation, storage,equipment used in the chemical and petrochemical industries and considered
to be potentially hazardous because it operates in a toxic, explosive and aggressive environment,
electrical heating equipment used to produce ferrous and non-ferrous metal casting.This certification is drawn up by an organisation external to Schneider Electric from all the product technical documents and must conform to the following Russian standards:
GOST 2.601-95PB 03-576-03PB 03-584-03.
The entire MCset range meets the GOST certification requirements.
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General Marine applications
Derived from standard MCset, a Marine version has been developed to meet specific conditions when used on ships or offshore platforms (vibrations/impacts, slant, etc.).This version carries over the electrical and dimensional characteristics of the standard range, adapted to marine requirements:
metalclad compartmented cubicle (LSC2B type),front access,withdrawable circuit breaker,Sepam protection and control chain,internal arc withstand,thermal diagnosis (optional).
Environmental conditionsAmbient temperature 5 to +45CHumidity On 24 h 95%
On 1 month 90%Vibrations(IEC 60068-2-6)
Frequency range2 to 13.2 Hz 1 mm13.2 to 100 Hz 0.7 g
MCset Marine certificationsSF6 circuit breaker and contactor Vacuum circuit breakerAmerican Bureau of Shipping (ABS) Bureau VERITAS (BV)Bureau VERITAS (BV) DNV (*)DNV Germanischer LloydGermanischer Lloyd Lloyds RegisterLloyds Register Nippon Kaiji Kyokai (NKK)RINA(*) Consult us.
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General Marine applications (cont.)
Suitable for Naval requirements Internal arcing withstand is ensured by the use of a tunnel specifically designed
for marine applications. Located above the cubicle, it can evacuate gases due to arcing effects.
A low voltage control cabinet has also been designed to meet the need for using numerous control and monitoring systems and LV components.
The cubicles are provided with switchgear employing SF6 or vacuum technology (please consult us).
The incoming/outgoing feeder cubicles are connected by cables through the bottom. Skids are available on option to group together several cubicles on a platform
for improved rigidity and to absorb vibrations by means of dampers. They also facilitate handling and installation of the switchboard.
Motor starter applications: see Motorpact catalogue.MCset is the solution to the specific needs and requirements of a Naval environment:
Performancesfrom 25 to 50 kA (consult us) Internal arc withstand 1 sCompactness: to meet space constraints (clearance under ceiling) that are
sometimes indispensable, a specific version is proposed.
Rated voltage (kV)7.2 12 17.5
Rated insulation levelPower frequency withstand voltage 50 Hz - 1 min (r ms kV) 20 28 38Lightning impulse withstand voltage 1.2/50 s (kV peak) 60 75 95Nominal current and maximum short time withstand current (1)Functional unit with circuit breaker
Short time withstand current
Ith max. (kA/3 s) 25 25 25
Rated current In max. busbar (A) 3150 3150 3150Rated current In CB (A) 1250 1250 1250
2500 2500 25003150 3150 3150
Functional unit with Rollarc fuse-contactor (2)
Short time withstand current
Ith max. (kA) 50 (3) 50 (3)
Rated current In max. (A) 250 200
Internal arc withstand (maximum value) AFLR(kA/1 s) 25 25 25
(1) For functional units equipped with circuit breakers or fuse-contactors,the breaking capacity is equal to the short time withstand current. In all cases, the device peak making capacity is equal to 2.5 times the short time withstand current. (2) Lightning impulse dielectric withstand voltage = 60 kV peak.(3) Limited by fuses.
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Higher low voltage control cabinet (640 mm)
Anti-rolling handle
Skid (option)
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General A range for all functions Choice of functional units
Function Incomer (1) Feeder
Line Transformer Generator Line Transformer Transformer
Functional unit LI-B TI-B GI-B LF-B TF-B TF-S
Cubicle AD1-2-3 AD1-2-3 AD1-2-3 AD1-2-3 AD1-2-3 DI 2
Device Circuit breaker Circuit breaker Circuit breaker Circuit breaker Circuit breaker Fuse-switch
Sepam protection relayApplications Substation Transformer Generator Substation Transformer TransformerSingle line diagrams
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0082
The MCset range comprises 13 functional applications.The table below can be used to link requirements to functional units and gives basic information on the general composition of each unit.Selection guide:You want to supply power to a transformer.The chosen solution is a transformer feeder/breaker.The corresponding functional unit will therefore be a TF-B, comprising a AD cubicle equipped with a withdrawable circuit breaker, and transformer application Sepam.
(1) The direct incomer (functional unit without circuit breaker, equipped with a fixed busbar bridge) is produced using cubicles AD1-2-3.(2) Transition cubicle for MCC application (Motorpact).
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23DEAI02EN.indd
General A range for all functions Choice of functional units (cont.)
Feeder Bussectioning Metering and busbar earthing
Motorpact transition (2)
Motor Motor Capacitor Capacitor Switchboard Substation Motor control
MF-B MF-C CB-B CB-C BS-B SS-B BB-V
AD1-2-3 AD1C AD1-2-3 AD1C CL1-2-3 and GL1-2-3
AD1-2-3 TT1-2
Circuit breaker Fuse contactor Circuit breaker Fuse contactor Circuit breaker Circuit breaker
Motor Motor Capacitor Capacitor Busbar Substation
MT2
0081
Sepam
MT2
0083
Sepam
MT2
0081
Sepam
MT2
0083
Sepam
MT2
0084
DE
5507
6
MT2
0078
DE
6016
7
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24 DEAI02EN.indd
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25DEAI02EN.indd
MCset 17.5 kV Cubicle description
AD type cubicles 26Incomer and feeder
CL - GL type cubicles 27Line-up bussectioning
TT type cubicles 28Metering Busbar earthing
DI type cubicles 29Fuse switch feeder
Motorpact 30Motorpact transition cubicle (MTP)Motor protection and control
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26 DEAI02EN.indd
Cubicle description AD type cubicles Incomer and feeder
DE
5677
5
DE
5508
2
AD1, AD2, AD3
Characteristics (for more details, see the pages on the switchgear in question)AD1 AD2 AD3
Rated voltage (kV) 7.2 12 7.2 12 17.5 7.2 12 17.5Breaking capacity (kA) 25 31.5 50
(1)25 31.5 50
(1)40 50 40 25 31.5 25 31.5 40 50 25 31.5 40 50 25 31.5 40 50
Rated current (A)Evolis circuit breaker
630 b b b b b b b b1250 b b b b b b b b b2500 b b b b b b b b b
Evolis HP circuit breaker
1250 b b (5)
2500 b b b (5)
3150 b b b b b b b b b (5) b (5) b (5) b (5)
4000 (3) b b b (5)
CTV1 contactor 200 bLF circuit breaker 630 b b b b b b b b b
1250 b b b b b b b b b b b2500 b b b b b b b b b b b3150 b b b b b b b b b4000 (6) b b b
Rollarc contactor 200 b b250 b
Short-circuit making current Ip (kA peak)
50 Hz 63 79 63 79 100 125 100 63 79 63 79 100 125 63 79 100 125 63 79 100 12560 Hz 65 82 65 82 104 130 104 65 82 65 82 104 130 65 82 104 130 65 82 104 130
Dimensions (mm) H 2300 2300 2300W 570 700 900D (2) 1550 1550 1550
Weight (kg) (4) 850 1000 1300
(1) Limited by fuses.(2) Overall + 175 mm for 4-sided internal arcing protected switchboards, for 3150 A, for 4000 A or 2 sets of CTs.(3) With fan (consult us).(4) Approximate weight fully equipped cubicle.(5) Limited at 15 kV.(6) With fan.
1
7
2
54
6
3
MT2
0080
Sepam
MT2
0081
D
H
W
MV compartments1 Busbars for cubicle interconnection2 Withdrawable part3 MV connections by cables accessible from the front face4 Earthing switch5 Current sensors6 Voltage transformers (optionally equipped with withdrawable fuses).LV control cabinet7 Low voltage auxiliaries and the protection, monitoring and control unit are in a control cabinet which is separated from the medium voltage part.
DEAI02EN.indd 26DEAI02EN.indd 26 30/04/09 14:50:4530/04/09 14:50:45
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27DEAI02EN.indd
Cubicle description CL - GL type cubicles Line-up bussectioning
DE
5748
9
DE
5677
6
DE
5677
7
MT2
0084
The bussectioning functional unit comprises 2 cubicles mounted side by side (one cubicle equipped with a circuit breaker, the other with a busbar return). CL1, CL2, CL3 GL1, GL2, GL3
CL1-2-3 or GL1-2-3
1
2
5
1
53
4
D
H
W W D
Characteristics (for more details, see the pages on the switchgear in question)CL1-GL1 CL2-GL2 CL3-GL3
Rated voltage (kV) 7.2 12 7.2 12 17.5 7.2 12 17.5Breaking capacity (kA) 25 31.5 25 31.5 40 50 40 25 31.5 25 31.5 40 50 25 31.5 40 50 25 31.5 40 50Rated current (A)Evolis circuit breaker
630 b b b b b b b b1250 b b b b b b b b b2500 b b b b b b b b b
Evolis HP circuit breaker
1250 b b (5)
2500 b b b (5)
3150 b b b b b b b b b (5) b (5) b (5) b (5)
4000 (3) b b b (5)
LF circuit breaker 630 b b b b b b b b b1250 b b b b b b b b b b b2500 b b b b b b b b b b b3150 b b b b b b b b b4000 (6) b b b
Short-circuit making current Ip (kA peak)
50 Hz 63 79 63 79 100 125 100 63 79 63 79 100 125 63 79 100 125 63 79 100 12560 Hz 65 82 65 82 104 130 104 65 82 65 82 104 130 65 82 104 130 65 82 104 130
Dimensions (mm) H 2300 2300 2300W 570 (x 2) 700 (x 2) 900 (x 2)D (2) 1550 1550 1550
Weight (kg) (4) 1300 (CL1 + GL1) 1500 (CL2 + GL2) 1700 (CL3 + GL3)
(2) Overall + 175 mm for 4-sided internal arcing protected switchboards, for 3150 A, for 4000 A or 2 sets of CTs.(3) With fan (consult us).(4) Approximate weight fully equipped cubicle.(5) Limited at 15 kV.(6) With fan
MV compartments1 Busbars to connect the bussectioning functional unit with other switchboard functional units2 Withdrawable part3 Current sensors4 Voltage transformers (optionally equipped with withdrawable fuses).LV control cabinet5 Low voltage auxiliaries and protection, monitoring and control unit are in one control cabinet, separated from the medium voltage part.
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28 DEAI02EN.indd
Cubicle description TT type cubiclesMetering Busbar earthing
DE
5509
3
DE
5677
8
MT2
0078
CharacteristicsTT1 TT2
Rated voltage kV 7.2 12 7.2 12 17.5 (*)Insulation voltage kV r ms 50 Hz - 1 min 20 28 20 28 38
kV impulse 1.2/50 s 60 75 60 75 95Rated current A 630 b b b b b b(busbar intensity)) 1250 b b b b b b
2500 b b b b b b3150 b b b b b b4000 (2) b b b b b b
Short time withstand current kA r ms 3 s 31.5 31.5 50 50 31.5 40Dimensions (mm) H 2300 2300
W 570 700D (1) 1550 1550
Weight (kg) 500 550
(1) Overall + 175 mm for 4-sided internal arcing protected switchboards.(2) With LF circuit breaker only.
(*) Note: rated voltage 15 kV available for the Evolis HP circuit breaker and for a short-time withstand current of 50 kA rms 3 s.
TT1-2
1
4
2
3
D
H
W
MV compartments1 Busbars to connect the TT functional unit with other switchboard cubicles2 Earthing switch3 Voltage transformers (optionally equipped with withdrawable fuses).LV control cabinet4 Low voltage auxiliaries and the protection, monitoring and control unit are in a control cabinet which is separated from the medium voltage part.
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29DEAI02EN.indd
4
1
2
3
Cubicle description DI type cubicles Fuse switch feeder
DE
5509
8
DE
5677
9
MT2
0082
CharacteristicsDI2
Rated voltage kV 7.2 12 17.5Insulation voltage kV r ms 50 Hz - 1 min 20 28 38
kV impulse 1.2/50 s 60 75 95Rated current A 200 b b bShort time withstand current kA r ms 1 s (2) 25 25 25Dimensions (mm) H 2300
W 700D (1) 1550
Weight (kg) 750
(1) Overall + 175 mm for switchboard internal arcing 4 sides.(2) Limited by fuses.
DI cubicles including a fuse switch are used to supply power and protect low power transformers.E.g.: auxiliary service transformers in primary substations.All operations are carried out from the front face, including access to connections and busbars. All functional interlocks meet recommendations in IEC 62271-200:
the switch is only possible to close if the earthing switch is open and the connection access panel is in place,
closing of the earthing switch is only possible if the switch is open, opening of the access panel to medium voltage connections and fuses is only
possible of the earthing switches upstream and downstream of the fuses are closed,the switch is locked in the open position when the access panel is taken off.
The voltage presence indicator is situated on the front face of the functional unit, integrated in the switchs control panel.
b
bb
b
DI2
D
H
W
MV compartments1 Busbars to connect the DI functional unit with other switchboard cubicles2 Switch - earthing switch3 MV fusesLV control cabinet4 Low voltage auxiliaries and protection, monitoring and control unit are in one control cabinet, separated from the medium voltage part.
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30 DEAI02EN.indd
Cubicle description MotorpactMotor protection and control (MTP)
DE
5679
0
DE
5679
1
DE
6016
7
Characteristics
Maximum rated voltage 7.2 kVInsulation voltage
Power frequency withstand (1 min) 20 kVLightning impulse withstand (1.2/50 s, peak value) 60 kV
Busbars rating 630 A1250 A2500 A3150 A
Dimensions H 2300 mmW 375 mmD 1550 mm
Approximate weight 1250 A 240 kg2500 A 275 kg3150 A 310 kg
D
H
W
CompositionBasic equipment
1 enclosure (standard IP3X),1 set of busbars in separate compartment,1 removable front panel.
OptionsInternal arc withstand,IP4X or IPX1 enclosure,Encapsulated busbars.
bbb
bbb
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31DEAI02EN.indd
Cubicle description MotorpactMotor protection and control (cont.)
PE
5514
1P
E57
469
MCset lined up with Motorpact
Motorpact, an innovative range of motor starters, with vacuum technology contactor Motorpact is a motor monitoring and control switchboard that can be combined with an MCset switchboard by means of a transition cubicle.Main characteristics:
rated voltage 7.2 kV,maximum busbars rating: 3150 A,rated short time withstand current: 40 kA 3 s,internal arc withstand: 25 kA 1 s
40 kA 0.5 s 50 kA 0.25 s,
rated operational current: 400 A,maximum fuse rating: 2 x 250 A.
Note: for details, see Motorpact catalogue no. AMTED302059.
Motorpact motor starters provide a wide range of applications including reduced voltage starting:
FVNR: direct on line motor starter,RVAT: reduced voltage autotransformer motor starter,RVSS: reduced voltage SoftStart motor starter.
They are suitable for all MV motor applications in markets such as: oil & gas, mining, water, pulp and paper, for starting:
pumps,fans,compressors,crushers,conveyors, etc.
CompactnessCompact dimensions thanks to a 375 mm width.Softarter and Autotransfo built into the switchboard.
SafetyFull cubicle protection for internal arc withstand (AFLR 4 sides).Electrical and mechanical interlocking, closed door operation.Visible insulation by means of portholes.
ReliabilityFewer components and fasteners.
Less maintenanceCorrosive atmosphere withstand.Maintenance free disconnector (capacity: 5000 operations).Front access to compartments.
Characteristics
Installation Indoor typeMaximum rated voltage 7.2 kV Insulation voltage
Power frequency withstand (1 min) 20 kV Impulse withstand voltage (1.2/50 s, peak value) 60 kV
Maximum rated short time withstand current (busbars) 40 kA 3 s 50 kA 2 s*
Rated frequency 50/60 HzMaximum busbars rating 2500 A
3150 A*Degree of protection
Enclosure IP3X, IP4X, IPX1, IPX2Between compartments IP2XC
* for stand-alone applications or when lined up with LF circuit breaker MCset switchgear
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bb
bbb
bbbbb
bb
bbb
b
bbb
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32 DEAI02EN.indd
Cubicle description MotorpactMotor protection and control (cont.)
FVNRFull voltage non reversing asynchronous motor starter
DE
5708
6
SepamM20
M
LPCT
DE
5679
3
DE
5679
4
7
5
1
4
6
2
3
MV compartment1 Line disconnector 2 Busbars3 Fuses 4 Contactor 5 Earthing switch6 Current sensors LPCT,current transformer and earth fault sensor
LV control cabinet7 LV protection, measurement and control devices
RVATAuto-transformer asynchronous motor starter
DE
5708
8
SepamM41
M
LPCT
DE
5679
5
DE
5679
6
1
3
2
1 Run and start vacuum contactor 2 Busbars3 Auto-transformer
RVSSSoftstart asynchronous motor starter
DE
5709
0EN
Sepam
LPCT
M
SoftStartprotectionrelay
DE
5679
7
DE
5679
8
1
3
2
1 By-pass vacuum contactor 2 Busbars3 SoftStart power stack
The Motorpact range includes 3 types of motor starter
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33DEAI02EN.indd
MCset 17.5 kV Protection, monitoring and control
Thermal diagnosis 34Protection system Sepam range 35Sepam series 20, series 40, series 80, Sepam 100 36Sepam series 20, series 40, series 80 37Selection guide
Instrument transformers 38
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34 DEAI02EN.indd
Protection, monitoring and control
Thermal diagnosisP
E90
039
DE
5678
0
Thermal diagnosis systemUseTo reduce maintenance costs in MV substations.It continuously monitors temperature rise using optical fibres and sensors installed at the heart of the sensitive areas.The sensors are located on cable connections and on top MV fuse holders.
PresentationThermal diagnosis is based on the principle of temperature measurement of energized circuits. By using optical fibres, the system doesnt introduce any risks in terms of insulation.It provides:
permanent monitoring of the temperature rise in power circuits at the connections,tripping of a pre-alarm, then an alarm by activating dry contact outputs,indication of the zone and circuit involved.
The standard solution is composed of the MDT module and two probes as described hereunder.
Probes CFO733The optical fibre probes are factory-built assemblies comprising:
3 sensors attached to the power circuit,the optical connections,a connector linked to the module.
This connector incorporates the opto-electrical conversion unit thus eliminating any optical connections when assembling.
MDT106 moduleThe MDT106 electronic module is mounted in the low voltage compartment of the cubicle. It provides the following functions:
monitoring of temperature rise in 2 zones,triggering of the pre-alarm,triggering of the alarm,self-monitoring of the module,self monitoring of the temperature probes.
Technical characteristics
Optical fibre probes CF0733Maximum equipment voltage 17.5 kVRated power frequency voltage 38 kV 1 min - 42 kV 1 minImpulse voltage 95 kVMaximum fibre/sensor temperature 120C
MDT106 moduleTemperature rise adjustment To be definedPossibility of adjusting the ambient temperature correctionMaximum absolute threshold value Pre-alarm = 115C
Alarm = 120CMulti9 profile width 10.5 cmModule power 24/250 Vdc, 110/240 VacDry contact Voltage 24, 48, 127, 220 Vdc
110 to 240 VacCurrent 5 A permanent (pre-alarm)
8 A permanent (alarm)Consumption (standby-max.) Vdc < 1.2 W (standby) - < 3.4 W (max.)
Vac < 4.4 VA (standby) - < 6.6 VA (max.)Note:Inspection and test tools and accessories have been developed and approved by Schneider Electric entities and their suppliers. Example: thermal diagnosis test kit. For further information, contact your usual Schneider Electric representative.
bbb
bbb
bbbbb
Continuity of service is of prime importance for electrical power supplies, particularly.for heavy industries.By using the new thermal diagnosis system developed for MCset, we offer you the possibility of monitoring on an on-going basis, thus reducing the probability of failure and reducing maintenance time.
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35DEAI02EN.indd
Protection, monitoring and control
Protection system Sepam rangeP
E57
021
DE
5678
1Each MCset functional unit can be equipped with a comprehensive protection, monitoring and control system comprising:b instrument transformers (*) to measure the necessary electrical values (phase current, residual current, voltages, etc.)b protection relays, providing functions adapted to the part of the network to be protectedb metering equipment, to inform operatorsb low voltage relaying, i.e. to provide control of the breaking device (contactor and circuit breaker) of the withdrawable partb various auxiliaries: secondary circuit test units, etc.
(*) Please check in the Sepam catalogue the sensor to use.
Protection relaysmetering equipment
Switchgear (circuit breaker and contactor)
Instrument transformers
Sepam: protection digital relaysSepam, is a range of digital monitoring protection and control units.Sepam is at the centre of the protection, monitoring and control system for MCset functional units: all the necessary protection, metering, control, monitoring and signalling functions are carried out by Sepam.
Like the MCset range, the Sepam range is a range of units defined to provide an optimal solution for each application, and includes (eg):
Sepam S, substation incomer and feeder,Sepam B, bussectioning,Sepam T, transformer feeder,Sepam M, motor feeder,Sepam G, generator feeder,Sepam C, capacitor feeder.
The Sepam range consists of Sepam series 20, series 40 and series 80, a range of modular protection relays to adapt precisely to your need.
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Sepam advantagesReliability
Over 20 years of experience in multi-function digital protection relays.Over 150,000 Sepam units in service in more than 90 countries.
QualityQuality design based on dependability studies and strict definition of
environmental constraints: temperature, pollution, EMC, dielectric strengthQuality manufacturing based on procurement agreements with suppliers
and inspection throughout all manufacturing phases.Simplicity of use
Local operation facilitated by the ergonomic User Machine Interface informing the operator fully and clearly in his own language.
Ease of setup thanks to the flexibility and user-friendliness of the parameters setup software.
bb
b
b
b
b
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36 DEAI02EN.indd
PE
5658
7
Sepam 100 MI Sepam 100 LD Sepam 100 LA
PE
6011
6
PE
5712
5
PE
5712
6
The Sepam range of protection relays is designed for the operation of machines and electrical distribution networks of industrial installations and utility substations at all levels of voltage.It includes 3 families: b Sepam series 20, for usual applications.b Sepam series 40,for demanding applications.b Sepam series 80, for custom applications.To cover all needs, from the simplest to the most complete. Sepam is compliant with IEC 61850 (series 20, 40, 80).
Protection, monitoring and control
Sepam series 20, series 40, series 80, Sepam 100
Sepam multifunction protection relaysA range of solutions adapted to your application
Substation protection (incomers, feeders, busbars),Transformer protection,Motor and generator protection.
All of the necessary functions for your application Effective protection of people and property,Accurate measurements and detailed diagnosis,Integral equipment control,Local or remote indication and operation.
Flexibility and upgrading capabilityTo adapt to as many situations as possible, and allow for future installation upgrading, optional modules may be added to Sepam at any time for new functions.
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bbbb
Sepam series 80 modular architecture1- Base unit, with integrated or remote advanced User Machine Interface.2- Parameter and protection settings saved on removable memory cartridge.3- 42 logic inputs and 23 outputs relays with 3 optional modules providing 14 inputs and 6 outputs.4- 2 independent Modbus communication ports.b Direct connection to 2-wire RS 485, 4-wire RS 485 and fiber optic networks.b Connection to Ethernet TCP/IP network via PowerLogicSystem webserver (Transparent Ready).5- Processing of data from 16 temperature sensors.6- 1 low level analog output, 0-10 mA, 4-20 mA or 0-20 mA.7- Synchro-check module.8- Software tools:b Sepam parameter and protection setting and control logic customization,b local or remote installation operation,b retrieval and display of disturbance recording data.
Sepam 100 additional unitsSepam 100 units round off the Sepam range and can be installed either separately or combined with either Sepam series 20, series 40 and series 80.Sepam 100 has several variants:
Sepam 100 MI, local breaking device control and signalling modules (many different line diagram types are available):
Sepam 100 LD, high impedance differential protection Sepam 100 LA, self-powering protection (back-up protection without auxiliary
power supply).
b
bb
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37DEAI02EN.indd
Protection, monitoring and control
Sepam series 20, series 40, series 80Selection guide
Sepam Protections ApplicationsBasic Specific Substation Transformer Motor Generator Busbar Capacitor
Sepam series 2010 logic inputs8 relay outputs1 communication port8 temperature sensor
inputs
bbbb
DE
5749
3 Current protection
S20 T20 M20
Breakerfailer
S23 T23
DE
5749
4 Voltage and frequency protection
B21
Loss of mains (ROCOF)
B22
Sepam series 4010 logic inputs8 relay outputsLogic equation editor1 communication port 16 temperature sensor
inputs
bbbbb
DE
5749
5 Current,voltage and frequency protection
S40 T40 G40
Directional earth fault
S41 M41
Directional earth fault and phase overcurrent
S42 T42
Sepam series 8042 logic inputs23 relay outputsLogic equation editor2 communication ports,
for multi-master or redundant architecture
16 temperature sensor inputs
Removable memory cartridge with parameters and settings for quick commissioning after replacement
Battery to save disturbance recording and event logging data
Mimic-based User Machine Interface for safe local equipment control
Logipam programming software (optional), to program specific functions
bbbb
b
b
b
b
b
DE
5749
6 Current,voltage and frequency protection
S80 B80
Directional earth fault
S81 T81 M81
Directional earth fault and phase overcurrent
S82 T82 G82
Loss of mains (ROCOF)
S84
DE
5749
7 Transformer or machine transformer- differential
T87 M88 G88
Machine differential
M87 G87
DE
5749
8 Voltage and frequency protection for two sets of busbars
B83
DE
5749
9 Capacitor bank unbalance
C86
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38 DEAI02EN.indd
E28
676
E74
399
E74
400
ARJP1, 2 or 3
ARJA1
ARO1
Protection, monitoring and control
Instrument transformers
Conventional current transformers Conventional current transformers are used to provide power to metering, measuring or control devices. They measure the value of primary current from 10 A to 3150 A. Schneider Electric has drawn up a list of current transformers which are appropriate for use with digital protection devices in order to make it easier to determine accuracy characteristics. This list is available in the selection guide on page 81.
For contactor cubicle AD1Transformer ARJP1/N2J
Single primary current, double secondary current for measurement or protectionFrequency 50-60 Hz
bbI1n (A) 10 20 30 50 75 100 150 200 250Ith (kA) 1.2 2.4 3.6 6 10 10 10 10 10t (s) 1 1 1 1 1 1 1 1 1Measuring* Protection*
cl.0.5 15 VA5P20 2.5 VA
For cubicles AD1-CL1-GL1-AD2-CL2-GL2Transformer ARJP2/N2J
Double primary current, double secondary current for measurement or protectionFrequency 50-60 Hz
bbI1n (A) 50-100 75-150 100-200 150-300 200-400 250-500 600 750Ith (kA) 40 40 31.5-40 40 40 40 50 50t (s) 1 1 1 1 1 1 1 1Measuring* Protection*
cl.0.5 5-10VA 10-20 VA 7.5-15VA 10-20 VA 20VA 20VA5P20 2.5-5VA 2.5-5VA 2.5-5VA 2.5-5VA 5-10VA 5-10VA 7.5VA 7.5VA
For cubicles AD1-CL1-GL1-AD2-CL2-GL2Transformer ARJP3/N2J
Single primary current, double secondary current for measurement or protectionFrequency 50-60 Hz
bbI1n (A) 1000 1250Ith (kA) 50 50t (s) 1 1Measuring* Protection*
cl.0.5 30 VA 30 VA5P20 10 VA 10 VA
For cubicles AD3-CL3-GL3Transformer ARJA1/N2J
Single primary current, double secondary current for measurement or protectionFrequency 50-60 Hz
bbI1n (A) 1500 2000 2500Ith (kA) 50 50 50t (s) 1 1 1measuring* protection*
cl.0.5 30 VA 30 VA 30 VA5P20 15 VA 15 VA 15 VA
For cubicles AD3-CL3-GL3Transformer ARO1a/N3
Single primary current, triple secondary current for measurement or protectionFrequency 50-60 Hz
bbI1n (A) 3150Ith (kA) 50t (s) 1Measuring* Protection*
cl.0.5 30 VA5P20 7.5 VA
* The secondary current for measuring and protection can be of 1 A or 5 A.
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39DEAI02EN.indd
Protection, monitoring and control
Instrument transformers (cont.)
LPCT in cubicle
LPCTs (Low Power Current Transformers) meet IEC standard IEC 60044-8.These are CTs with a direct voltage output which has the advantage of having a very wide range of applications, simplifying selection.
LCPT low power current transformers LPCTs are specific current sensors with a direct voltage output of the Low Power Current Transformers type, in conformity with standard IEC 60044-8.LPCTs provide metering and protection functions.They are defined by:
the rated primary currentthe extended primary currentthe accuracy limit primary current or the accuracy limit factor.
These have a linear response over a large current range and do not start to saturate until beyond the currents to be broken.
PE
5656
1
PE
5656
3
CLP1 CLP3
AD1 - AD1C 630/1250 A b
AD2 630 A b
AD3 1250 A b
2500 A b
bbb
Type Primary current Secondary voltage
Accuracy class
Accuracy limit factor
Thermal resistance
Rated insulation Frequency Secondary connectorrated extended
(A) (A) (mV)FLP
(kA - 1 s)Ur(kV)
Ud(kV - 1 min)
Up(kV peak) (Hz)
CLP1 100 1250 22.5 0.5 - 5P 500 50 17.5 38 95 50/60 RJ45 - 8 ptsCLP3 2500 400 40
PE
5656
4
-
40 DEAI02EN.indd
Protection, monitoring and control
Instrument transformers (cont.)E
7296
5E
2867
8
Low voltage toroid type current transformersFor cubicles AD1-AD2 with one single-pole cableTransformer ARC2
Single primary current, single secondary current for protectionFrequency 50-60 Hz
I1n (A) 75 100 150 200 250 300 400Ith (kA) 50 50 50 50 50 50 50t (s) 1 1 1 1 1 1 1Protection 5P20 2.5 VA 2.5 VA 5 VA 5 VA 5 VA 5 VA 5 VA
Single primary current, double secondary current for measurement or protectionFrequency 50-60 Hz
I1n (A) 200 250 300 400 600Ith (kA) 50 50 50 50 50t (s) 1MeasuringProtection
5 VA cl.1 10 VA cl.0.5 10 VA cl.0.5 15 VA cl.0.5 15 VA cl.0.55P20 2.5 VA 5 VA 5 VA 5 VA 5 VA
For cubicles AD1-AD2 with two single-pole cablesTransformer ARC3
Single primary current, double secondary current for measurement or protectionFrequency 50-60 Hz
I1n (A) 750 1000 1250Ith (kA) 50 50 50t (s) 1MeasuringProtection
cl.0.5 20 VA 30 VA 30 VA5P20 7.5 VA 10 VA 10 VA
Zero sequence core balance current transformers (CSH type)CSH 120 and CSH 200 core balance CTs, provide more sensitive protection by direct measurement of earth fault currents.Specifically designed for the Sepam range, they can be directly connected to the Sepam residual current input.They are only different in terms of their diameter:
CSH 120 - 120 mm internal diameter,CSH 200 - 200 mm internal diameter.
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bb
bb
bb
Zero sequence core balance CT (CSH type)
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41DEAI02EN.indd
Protection, monitoring and control
Instrument transformers (cont.)E
2868
0E
2867
9
VRQ3
VRC1/S1F
MT2
0104
VRCR
Voltage transformersThese supply power to:
measuring, metering and monitoring devices,relays or protective devices,auxiliary LV sources for various types of switchgear; all these devices are protected
and insulated from the MV section.They are installed at the bottom of the functional unit. In the withdrawable fuse version, the voltage transformers are attached to a side wall. The energized part is entirely encapsulated in an epoxy resin, which provides both electrical insulation and excellent mechanical strength.They include the following models:
with one insulated MV terminal, for connection between neutral and phase conductors in three-phase systems with withdrawable MV fuses,
with two insulated MV terminals, for connection between phase conductors.
For cubicles AD1-CL1-GL1-TT1-AD2-CL2-GL2-AD3-CL3-GL3Transformer VRQ3n/S2
Phase-earthFrequency 50-60 Hz
Primary voltage (kV)
3/3 3.3/3 5.5/3 6/3 6.6/3 10/3 11/3 13.8/3 15/3
1st secondary voltage (V)
100/3 110/3 110/3 100/3 110/3 100/3 110/3 110/3 100/3
2nd secondary voltage (V)
100/3 110/3 110/3 100/3 110/3 100/3 110/3 110/3 100/3
1st secondary accuracy class (VA)
30-50 VA cl.0.5
2nd secondary accuracy class (VA)
50 VA cl.0.5
For cubicles AD2-CL2-GL2-TT2-AD3-CL3-GL3Transformer VRC1/S1F
Phase-phaseFrequency 50-60 Hz
Primary voltage (kV) 3.3 5.5 6,6 11 13.8 15Secondary voltage (V) 110 110 110 110 110 100Accuracy class (VA) 75 VA cl.0.5
For cubicle AD1 contactorThis transformer provides power to the coil in order to keep the magnetic circuit of the contactor closed.Transformer VRCR/S1
Phase-phaseFrequency 50-60 Hz
Primary voltage (kV) 3.3 5.5 6.6Secondary voltage (V) 110 110 110Accuracy class (VA) 50 VA cl.0.5
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MCset 17.5 kV Switchgear
Safety and protection of persons and property 44
Vacuum type switchgearEvolis 17.5 kV circuit breaker 46PresentationCharacteristicsP2 stored energy operating mechanism
Evolis HP circuit breaker 53PresentationCharacteristicsRI stored energy operating mechanism
CTV1 contactor 59Presentation Characteristics
SF6 type switchgearLF circuit breaker 61PresentationCharacteristicsRI stored energy operating mechanism
Rollarc contactor 67PresentationCharacteristics
DI switch cubicle 70PresentationCharacteristicsFuses
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44 DEAI02EN.indd
PE
5746
5Switchgear Safety and protection of persons
and property
Extraction table
Withdrawable part
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The devices used to equip the MCset range of functional units have outstanding features:
long service life,maintenance-free live parts,high electrical endurance,operating safety,insensitivity to the environment.
The withdrawable parts:the circuit breaker or contactor, the disconnector truck or the earthing truck,the lever-type propulsion mechanism for racking in-out,interlocks to fix the withdrawable parts onto the fixed part.
The live parts are housed in an insulating enclosure in the sealed pressure system in compliance with IEC 62271-100.
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Switchgear Safety and protection of persons and property (cont.)
6105
8N Circuit breakerA circuit breaker is a safety device enabling switching and protection of electrical distribution networks. Installed in the MCset cubicle, it protects all components situated downstream during a short-circuit.
Vacuum breakingEvolisEvolis HPBreaking in SF6LF.
bvvbv
6101
1N ContactorThe contactor is a motor control and protection device.
Vacuum breakingCTV1Breaking in SF6Rollarc.
All accidental overpressure would be limited by the safety disk opening.
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DE
5678
4 Earthing truck The earthing truck is a safety feature which allows the cubicle busbar to be earthed. It is installed instead of the circuit breaker and has the same interlock possibilities.
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5678
5 Disconnector truck The disconnector truck enables the upper and lower part of the cubicle to be short-circuited. It is installed instead of the circuit breaker and has the same interlock possibilities.
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Vacuum type switchgear Evolis 17.5 kV circuit breakerPresentation
PE
5656
5 PresentationThe Evolis circuit breaker is used to equip AD1-2-3 and CL1-2-3 cubicles for rated values of 7.2kV to 17.5kV.
High electrical enduranceA magnetic field is applied in the axis of the interrupter contacts.This process maintains the arc in diffuse mode, even at high current values. It ensures optimal distribution of energy over the contact surface and avoids localized temperature rise.The advantages of this technique are:
a very compact interrupter unit,low dissipation of arc energy in the interrupters.
Evolis is in conformity with the highest electrical endurance class (IEC 62271-100: class E2).
High mechanical enduranceThis magnetic field is generated by a patented outside coil which surrounds the contact area. This solution has many advantages:
a simplified and therefore reliable interrupter unit,heavy duty contacts which do not distort during repeated switching operations.
For the first time the control mechanism in a low voltage device is being integrated in a medium voltage circuit breaker. The Masterpact control unit used on Evolis gives us the benefit of a system that has proved its value over more than ten years in hundreds of thousands of installations.Evolis is in conformity with the most demanding mechanical endurance class (IEC 62271-100: class M2).
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Vacuum type switchgear Evolis 17.5 kV circuit breakerCharacteristics
Electrical characteristics according to IEC 62271-100Evolis/MCset 1 Evolis/MCset 2
Phase to phase mm 145 185Rated voltage Ur kV 50/60 Hz 7.2 12 7.2 12 17.5Insulation level- power frequency withstand Ud kV 50 Hz 1 min (*) 20 28 20 28 38- lightning impulse withstand Up kV peak 60 75 60 75 95Rated current Ir A 630 b b b b b b b b b b
1250 b b b b b b b b b bShort circuit current Isc kA 25 31.5 25 31.5 31.5 40 31.5 40 25 31.5Short time withstand current Ik/tk kA/3 s 25 31.5 25 31.5 31.5 40 31.5 40 25 31.5Short-circuit making current Ip kA peak 50 Hz 63 79 63 79 79 100 79 100 63 79
60 Hz 65 82 65 82 82 104 82 104 65 82
Evolis/MCset 3Phase to phase mm 240Rated voltage Ur kV 50/60 Hz 7.2 12 17.5Insulation level- power frequency withstand Ud kV 50 Hz 1 min (*) 20 28 38- lightning impulse withstand Up kV peak 60 75 95Rated current Ir A 630 b b
1250 b b b2500 b b b b b b b b b
Short circuit current Isc kA 25 31.5 40 25 31.5 40 25 31.5 40Short time withstand current Ik/tk kA/3 s 25 31.5 40 25 31.5 40 25 31.5 40Short-circuit making current Ip kA peak 50 Hz 63 79 100 63 79 100 63 79 100
60 Hz 65 82 104 65 82 104 65 82 104
Characterisitics of Evolis circuit breakers in MCset cubiclesThe electrical characteristics are given on the circuit breaker designation (rating plate).
Common characteristics according to IEC 62271-100Rated switching sequence O-3 min-CO-3 min-CO b
O-0.3 s-CO-3 min-CO bO-0.3 s-CO-15 s-CO b
Operating times Opening < 50 msBreaking < 60 msClosing < 71 ms
Service temperature T C 25 to + 40Mechanical endurance Class M2
Number of switching operations
10 000
Electrical endurance Class E2Number of switching operations at full Isc value
25 kA 10031.5 kA 5040 kA 30
Capacitive current breaking capacity Class C1Average relative humidity Over 24 h < 95%
Over 1 month < 90%
(*) Circuit breaker tested at Ud 42 kV 50 Hz, 1 minb Available Not available.
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Vacuum type switchgear Evolis 17.5 kV circuit breakerP2 stored energy operating mechanismPresentation
PE
5660
0 Operation of the P2 stored energy operating mechanismThis mechanism guarantees the device an opening and closing speed unaffected by the operator, for both electric and manual orders. It carries out the O and CO cycles and is automatically recharged by a gear motor after closing. It consists of:
the stored energy operating mechanism which stores in springs the energy required to open and close the device
a gear motor electrical charging device with manual charging by lever(useful on loss of auxiliary supply)
manual order devices by push buttons on the front panel of the device an electrical remote closing device containing a release with an antipumping relayan electrical opening device containing one or more releases, for example:shunt openingUndervoltageMitop, a low consumption release, used only with the Sepam 100 LA
protection relay.an operation counter a position indication device by mechanical indicator
and 3 modules of 4 auxiliary contacts whose availability varies according to the diagram used
a device for indicating charged operating mechanism status by mechanical indicator and electrical contact.
Wiring diagram (principle)
b
b
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b
DE
5752
5EN
Fault Ready to close
Auxiliary contacts
Circuit breaker openOperating mechanism loaded
Remote control
OF24OF23OF22OF21OF14OF13OF12OF11OF4OF3OF2OF1
SDE
or
PF
XF
MX1
MX2
MN
Mitop Reset
Charged
MCH
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Vacuum type switchgear Evolis 17.5 kV circuit breakerP2 stored energy operating mechanismOpening circuit
DE
5752
6D
E57
527
Circuit breaker equipped with a shunt opening release (MX)
Shunt opening release (MX1 and MX2)
CompositionThe opening circuit is produced using the following components:
a shunt opening release (MX1)a second shunt opening release (MX2)undervoltage release (MN)time delayed undervoltage release (MNR: MN + time delay).
The time delay, placed outside the circuit breaker, can be disabled by an emergency stop button to give instant circuit breaker opening.
low energy release (Mitop).Note: see the table of the releases combinations on the following page.
Shunt opening release (MX1 and MX2)Energizing this release causes instant opening of the circuit breaker.Permanent power supply to the MX unit locks the circuit breaker in the open position.
CharacteristicsPower supply V AC 24, 48, 100130, 200250
V DC 2430, 4860, 100130, 200250Threshold 0.7 to 1.1 UrConsumption (VA or W) Triggering 200 (for 200 ms)
Latched 4.5
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Vacuum type switchgear Evolis 17.5 kV circuit breakerP2 stored energy operating mechanismOpening circuit (cont.)
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5752
7D
E57
528
DE
5752
9
Undervoltage release (MN)
Undervoltage release (MN)This release unit causes the systematic opening of the circuit breaker when itssupply voltage drops below a value less than 35% of the rated voltage, even if thisdrop is slow and gradual. It can open the circuit breaker between 35% and 70% ofits rated voltage. If the release unit is not supplied power, manual or electrical closingof the circuit breaker is impossible. Closing of the circuit breaker is possible whenthe supply voltage of the release unit reaches 85% of its rated voltage.
CharacteristicsPower supply V AC 24, 48, 100130, 200250
V DC 2430, 48 60, 100130, 200250Threshold Opening 0.35 to 0.7 Ur
Closing 0.85 UrConsumption (VA or W) Triggering 200 (for 200 ms)
Latched 4.5
Time delay for MNTo eliminate spurious tripping of the circuit breaker when there are brief voltage drops, the MN action is controlled with a time delay. This function is achieved by adding a time delay unit outside of the undervoltage release (MN) circuit (adjustable time delay).This unit is placed outside the circuit breaker and can be inhibited by an emergency stop button to obtain instant circuit breaker opening.
CharacteristicsPower supply V AC 4860, 100130, 200250
V DC 100130, 200250Threshold Opening 0.35 to 0.7 Ur
Closing 0.85 UrConsumption (VA or W) Triggering 200 (for 200 ms)
Latched 4.5Temporisation 0.5 s - 0.9 s - 1.5 s - 3 s
Low energy release (Mitop)This release includes a low consumption unit and is specifically used with the Sepam 100LA self-powered unit (REFLEX MODULE), or the VIP relay.
CharacteristicsPower supply Direct currentThreshold 0.6 A < I < 3 A
Any tripping due to the Mitop release unit is momentarily indicated by an SDE type changeover contact, provided with the Mitop. This release also includes a coil (reset) enabling remote SDE contact reset.Comment:Use of the Mitop low energy release requires adjustment of the protection relay time delay in order to ensure that the circuit breaker trips between 45-50 ms.
Releases combinations tableShunt opening MX1 1 1 1 1 1 1Shunt opening MX2 1 1Undervoltage MN 1 1Mitop 1 1 1
Time delay for undervoltage release (MN)
Low energy release (Mitop)
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Vacuum type switchgear Evolis 17.5 kV circuit breakerP2 stored energy operating mechanismRemote control
DE
5752
7D
E57
530
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5753
1
FunctionRemote control enables the remote opening and closing of the circuit breaker. The opening order always takes priority over the closing order.In the event of simultaneous opening and closing orders, the mechanism discharges under no load, without moving the main contacts. The circuit breaker remains in the open position.In the event of latched opening and closing orders, the mechanism carries out anti-pumping function as standard, by blocking the circuit breaker in the open position. Anti-pumping function: after opening on a fault or deliberate opening via the manual or electrical mechanism, the closing order must be interrupted then reactivated to enable reclosing of the circuit breaker.
CompositionThe remote control comprises:
an electrical motor (MCH) equipped with a spring armed CH limit switcha shunt closing release (XF).
Electrical motor (MCH)The electrical motor carries out the automatic rearming of the storage energy springs as soon as the circuit breaker closes. This allows instant reclosing of the device after opening. The arming lever is only used as a backup control in the case of the absence of the auxiliary power supply. An electrical motor (MCH) equipped with a spring armed CH limit switch.This contact indicates the armed position of the mechanism (springs armed).
CharacteristicsPower supply V AC 4860, 100130, 200240
V DC 24, 2430, 48, 4860 , 100130, 200250Threshold 0.85 to 1.1 UrConsumption (VA or W) 180 Motor overcurrent 2 ot 3 In for 0.1 sArming time 6 s maximumOperating rate 3 cycles maximum per minuteCH contact 10 A/240 V
Shunt closing release (XF)This release allows remote closing of the circuit breaker when the control mechanism is armed. It can be permanently or briefly supplied power.
Characteristics XFPower supply V AC 100130, 200250
V DC 2430, 4860, 100130, 200250Threshold XF 0.85 to 1.1 UrConsumption (VA or W) Triggering 200 (for 200 ms)
Latched 4.5
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Shunt closing release (XF)
Circuit breaker equipped with remote control
Electrical motor MCH
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Vacuum type switchgear Evolis 17.5 kV circuit breakerP2 stored energy operating mechanismIndication
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5753
2D
E57
533
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5753
4
Open/closed auxiliary position contacts (OF)These auxiliary contacts indicate the open or closed position of the circuit breaker.
Rotary type changeover contacts directly controlled by the circuit breaker mechanism.
Indicator contacts are proposed:for standard relaying applicationsfor low level control applications with plcs or electronic circuits.
This version is compatible with Sepam series 20-40-80 units.CharacteristicsStandard delivery 4Maximum quantity 12Breaking capacity (A) Standard Min. load: 100 mA/24 VCos : 0.3 V AC 240/380 10/6 *CA12/DC12 480 10/6 *
690 6V DC 24/48 10/6 *
125 10/6 *250 3
Low level Min. load: 2 mA/15 V DCV AC 24/48 6
240 6380 3
V DC 24/48 6125 6250 3
* Standard contacts: 10 A; optional contacts: 6 A (temperature derating)
Ready to close PF contactThe circuit breaker is ready to close when shown by a mechanical indicator and a PF contact. This information simultaneously indicates that:
the circuit breaker is openthe storage energy springs are armedthere is no permanent closing orderthere is no permanent opening order caused by:a safety opening order (2nd MX or MN)keylocking of the device in the open position.
CharacteristicsStandard delivery 0Maximum quantity 1Breaking capacity (A) Standard Min. load: 100 mA/24 VCos : 0.3 V AC 240/380 5CA12/DC12 480 5
690 3V DC 24/48 3
125 0.3250 0.15
Low level Min. load: 2 mA/15 V DCV AC 24/48 3
240 3380 3
V DC 24/48 3125 0.3250 0.15
Operation counter (CDM)The operation counter is visible on the front panel. It totalizes the number of switching cycles (CO) that the device has carried out.
b
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Rotary type contacts (OC)
Ready to close PF contact
Operation counter (CDM)
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53DEAI02EN.indd
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5657
0
Vacuum type switchgear Evolis HP circuit breakerPresentation
Evolis HP circuit breakers withdrawable version
Description of the deviceThe basic withdrawable version of the Evolis HP circuit breaker comprises:
the circuit breaker unit with its operating mechanism:three poles equipped with a vacuum interrupter unit an RI stored energy electrical operating mechanism.
This gives the device an opening and closing speed that is independent of the operator, for both electrical and manual orders. It enables reclosing cycles to be carried out
a front panel housing the manual operating mechanism and status indicators.the components enabling it to be withdrawable:the circuit breaker is equipped with racking arms and contact fingers and mounted
on a racking in/out drive device with a threaded shaft activated by a handle, including all of the safety interlock systems.
a Harting type male LV connector allows connection of the external auxiliary circuits.Each device can optionally be fitted with:
locking of the circuit breaker in the following positions:open, by a key lock installed on the control panelracked out, by a key lock installed on the drive device.
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Vacuum type switchgear Evolis HP circuit breakerCharacteristics
Electrical characteristics according to IEC 62271-100Evolis HP/MCset 3
Phase to phase 240Rated voltage Ur kV 50/60 Hz 7.2 12 15Insulation level- power frequency withstand Ud kV 50 Hz 1 min 20 28 38- lightning impulse withstand Up kV peak 60 75 95Rated current Ir A 1250 b (1) b (1)
2500 b b b3150 b b b b b b b b b b b b4000 (3) b b b
Short circuit current Isc kA 25 31.5 40 50 25 31.5 40 50 25 31.5 40 50Short time withstand current Ik/tk kA/3 s 25 31.5 40 50 25 31.5 40 50 (1) 25 31.5 40 50 (1)
Short-circuit making current Ip kA peak 50 Hz 63 79 100 125 63 79 100 125 v60 Hz 65 82 104 130 65 82 104 130 v
Common characteristics according to IEC 62271-100Rated switching sequence O-3 min-CO-3 min-CO b
O-0.3 s-CO-3 min-CO bO-0.3 s-CO-15 s-CO b
Operating times Opening 48Breaking 70Closing 65
Service temperature T C 5 to + 40 (2)
Mechanical endurance Class M2Number of switching operations
10 000
Electrical endurance Class E2Number of switching operations at full Isc value
25 kA 10031.5 kA 5040 kA 3050 kA 30
Capacitive current breaking capacity Class C1Average relative humidity Over 24 h < 95%
Over 1 month < 90%
(1) For In 1250 A, the rated short-circuit breaking duration (tk) = 1 s(2) For temperatures lower than - 5 C, consult us(3) With fan.b Available Not available
Characterisitics of Evolis HP circuit breakers in MCset cubiclesThe electrical characteristics are given on the circuit breaker designation (rating plate).
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5716
4
Vacuum type switchgear Evolis HP circuit breakerRI stored energy operating mechanismPresentation
Operation of the RI stored energy operating mechanismThis gives the device an opening and closing speed that is independent of the operator whether the order is electrical or manual.The electrical control mechanism carries out reclosing cycles and is automatically recharged by a geared motor each time after closing. It consists of:
the stored energy operating mechanism which stores in springs the energy required to open and close the device
a manual lever-operated spring arming devicea geared electrical arming device which automatically re-arms the control
mechanism as soon as the circuit breaker is closed (optional)manual order devices by push buttons on the front panel of the device an electrical remote closing device containing a release with an antipumping relayan electrical opening order device comprising one or several release units which
can be of the following type:shunt openingundervoltageMitop, a low consumption release, used only with the Sepam 100 LA
protection relay.an operation counteran open/closed position indicator device with a mechanical indicator a device for indicating charged operating mechanism status by mechanical
indicator and electrical contact (optional)a module of 14 auxiliary contacts whose availability varies according
to the diagram used.
Wiring diagram (principle)
b
bb
bbb
vvv
bbb
b
M
YF +anti-pumping
Motor Shunt closingrelease+ anti-pumpingsystem
Remote control
Shunt openingrelease
Under-voltagerelease
Low energyrelease(Mitop)
NO contacts
Changeovercontact
NC contacts
Close CB
Open CB
YM
M3
Mitop
Control mechanism armed indicator contact
YO1 YO2
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1EN
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5312
0D
E53
121
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5312
2Vacuum type switchgear Evolis HP circuit breaker
RI stored energy operating mechanismOpening circuit
DE
5761
2EN
(1) or (3)(2)
Operating mechanism
CompositionThe opening circuit can be produced using the following components:
shunt opening release (on energizing) (YO1)second shunt opening release (on energizing) (YO2)undervoltage release (YM)low energy release (Mitop).
Note: see the table of the releases combinations page 58.
Shunt opening release (YO1 and YO2)Energizing this release causes instant opening of the circuit breaker.
CharacteristicsPower supply V AC (50 Hz) 110, 220
V AC (60 Hz) 120V DC 24, 48, 110, 125, 220
Threshold V AC 0.85 to 1.1 UrV DC 0.7 to 1.1 Ur
Consumption V AC 160 VAV DC 50 W
Undervoltage release (YM)This release unit causes the systematic opening of the circuit breaker when itssupply voltage drops below a value less than 35% of the rated voltage, even if thisdrop is slow and gradual. It can open the circuit breaker between 35% and 70% ofits rated voltage. If the release unit is not supplied power, manual or electrical closingof the circuit breaker is impossible. Closing of the circuit breaker is possible whenthe supply voltage of the release unit reaches 85% of its rated voltage.
CharacteristicsPower supply V AC (50 Hz) 110, 220
V AC (60 Hz) 120V DC 24, 48, 110, 125, 220
Threshold Opening 0.35 to 0.7 UrClosing 0.85 Ur
Consumption Triggering V AC 400 VAV DC 100 W
Latched V AC 100 VAV DC 10 W
Low energy release (Mitop)This specific release unit comprises a low consumption unit and is specifically used for Sepam 100LA self-powered relays.
CharacteristicsPower supply Direct current Threshold 0.6 A < I < 3 A
Any tripping due to the Mitop release unit is momentarily indicated by an SDE type changeover contact (option).
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Shunt opening release (1)
Undervoltage release (2)
Low energy release (3)
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5312
4D
E53
125
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5312
0
Vacuum type switchgear Evolis HP circuit breakerRI stored energy operating mechanismRemote control
DE
5760
4
Operating mechanism
Electrical motor and gearing (4)
Shunt closing release (5)
Operation counter (6)
FunctionRemote control enables the remote opening and closing of the circuit breaker.
CompositionThe remote control mechanism comprises:
an electrical motor with gearing a shunt closing release (YF) combined with an anti-pumping devicean operation counter.
Electrical motor with gearing (M)The electrical motor carries out the automatic rearming of the stored energy unit as soon as the circuit breaker is closed. This allows the instant reclosing of the
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