cpg.0 gas insulated, single busbar cubicle range · pdf filefocus on medium voltage 3 gas...

Medium Voltage SwitchgearPrimary Distribution

CPG.0Gas insulated, single busbar cubicle rangeUp to 24 kV / 2500 A / 25 kAUp to 36 kV / 1250 A / 25 kACPG System

Thequalityoftheproductsdesigned,manufacturedandinstalledbyOrmazabalisbackedbytheimplementationandcertificationofaqualitymanagementsystem,basedontheinternationalstandardISO9001:2000.Our commitment to the environment is reaffirmed withtheimplementationandcertificationofanenvironmentalmanagementsystemaslaiddownininternationalstandardISO14001.

Inviewoftheconstantevolutioninstandardsanddesign,thecharacteristicsoftheelementscontainedinthiscataloguearesubjecttochangewithoutpriornotification.Thesecharacteristics,aswellastheavailabilityofcomponents,are subject to confirmation by Ormazabal's Technical-Commercialdepartment.

FocusonMediumVoltage3

Gas insulated, single busbar cubicle rangeUp to 24 kV / Up to 36 kV

CPG SystemMedium Voltage Switchgear Primary Distribution

Contents

Generaldescription 4Presentation 4

Areasofimplementation 4

Applicablestandards 5

Constructioncharacteristics 5

Safety 6

Qualityoftheelectricalsupply 7

Typesofcubicles 8CPG.0-V 9

CPG.0-S 10

CPG.0-F 11

CPG.0-C 12

CPG.0-RB 13

Mainfunctionalelements 14Safeoperation 14

ekorSYSfamily 16

Auxiliaryelements 17

Protection 18

Installation 18Characteristics 18

Civilwork 19

Connectionbetweencubicles 19


Gas insulated, simple busbar cubicle rangeUp to 24 kV / Up to 36 kV CPG System Medium Voltage Switchgear

Primary Distribution

TheCPG.0rangeofOrmazabal'sCPGsystemismadeupofafullassemblyofmodularcubiclesofupto24kV/2500 Aandupto36kV/1250A,GIStype,withSF6insulation,fortheconfigurationofdifferentprimarydistributionelectricaldiagrams.

Typesoffunctionalunits:

•Circuit-breakerCPG.0-V

•BusbarcouplingCPG.0-C

•DisconnectorCPG.0-S

•FuseprotectionCPG.0-F

•BusbarriseCPG.0-RB

TheinstallationofelementsthatallowtowithstandaninternalarcinalltheirMediumVoltagecompartments,togetherwithanadvanceddesignthatprovidestotalresistanceagainstexternalagents,makestheCPG.0cubiclestheidealsolutionforusinginsubstations,bothpublicandprivate,providingasafeandreliabledistribution.

Thefinalqualityoftheproductsuppliedisbackedbyanautomatedmanufactureprocesswhereroutinetestsarecarriedoutinthedifferentassemblystages.

AReASOFIMPLeMenTATIOn

Designedforuseinawiderangeofinstallations,bothpublicandprivate.Theirmainapplicationsare:

General description

STAnDARDS

IEC 62271-001Commonspecificationsforhighvoltageswitchgearandcontrolgearstandards.

IEC 62271-200Alternatingcurrentmetal-enclosedswitchgearandcontrolgearforratedvoltagesabove1kVandupto52kV.

IEC 62271-100Highvoltagealternatingcurrentcircuit-breakers.

IEC 62271-102Alternatingcurrentdisconnectorsandearthingswitches.

IEC 62271-105Highvoltagealternatingcurrentswitch-fusecombination.

•Utilities • Industrial sector

• Primarydistributionsubstations •Cementindustry •Miningindustry

•Mobilesubstations • Switchingsubstations • Textileindustry • Foodindustry

•Electrical power stations •Chemicalandpetrochemicalindustry

• Substation • Steelindustry

•Large infrastructures • Automotiveindustry

• Airportsandrailways •Windfarms




COnSTRuCTIOnCHARACTeRISTICS

TheCPG.0cubiclespresentanarchitecturedividedintoindependentcompartments:

• (A)Switchcompartment.

• (B)Busbarcompartment.

• (C)Cablecompartment.

• (D)Controlcompartment.

• (e)Operationinterface

Itsstructureismadeupofametalframewithamechanicalrigiditythatpreservestheshapeoftheassemblyundernormalserviceconditions.

Theframe,togetherwiththerestofnon-livemetalpartsofthecubicle,isconnectedtothegeneralearthingbusbar,reinforcingthesafetyoftheinstallation.

Thecubiclesareconnectedusingabusbarinstalledintheupperpartofthecubiclesinacompartmentoutsidetheswitchcompartment.

Theswitch compartment,sealedforlife,housestheswitchingandbreakingswitchgear,wheretheinsulatingmediumisSF6gas.Builtinstainlesssteel,itisdesignedtowithstandaninternalarcofupto25kA/1s.Thegasgeneratedasaresultofaninternalarciscooleddownandcanbechannelledthroughareliefductlocatedontherearside.

Thefollowingelementsarelocatedinside,dependingonthefunctionality:

•Disconnectorandearthingswitch.

•Vacuumcircuit-breaker.

•Fuseholders(modelCPG.0-F).

Itcanbeconnectedtothebusbarandthemediumvoltagecablesrespectivelybymeansofcablebushingsatthetopandbottom.

Thegaspressureistestedbymeansofatemperature-compensatedpressuregauge,withapotential-freecontact,allowingittobeusedasaremotealarm.

Thebusbar compartment,locatedintheupperpartofthecubicle,isusedtohousethebusbar(electricalconnectionbetweenthemediumvoltagecubicles).*

eachoneofthephasesthatmakeupthebusbarhassolidandshieldedinsulation,earthedbymeansofthecompartment'sspecificearthingbar.Becauseofthissingle-phasearrangement,thecubicleoffersexcellentreliabilityintermsofservicecontinuity.

Theinstallationofaphasesegregationassemblyusingearthedmetalplatesallowstowithstandaninternalarcof25kA/1s.

Optionally,toroidal-corecurrenttransformersand/orplug-involtagetransformerscanbeinstalledinthiscompartment,withoutneedingmeteringcubicles.

Î *SeesectionCOnneCTIOnBeTWeenCuBICLeSonpage19.

A

BD

e

C

Busbarcompartment




Thecable compartment,whichallowsfrontalaccesstothemediumvoltagecables,islocatedinthelowerpartofthecubicleandhasacoverthatisinterlockedwiththeearthingcircuit.

Theexternalcone-typebushingsallowtheinstallationoftoroidal-corecurrenttransformersonthem.

Thiscompartmentcanbesuppliedreadytowithstandaninternalarcinterminalsof25kA/1s,incompliancewiththecriteriaofstandardIeC62271-200.

Thebasecanhousethefollowingcomponents:

•upto4reinforcedshieldedconnectionterminals(screw-in)perphase.

•Cabletieforthemediumvoltagecables

•earthingbars.

•Toroidal-corecurrenttransformers.

•Plug-involtagetransformers.

•Surgearresters.

Alltheelementsmakinguptheenclosureareearthedbymeansofaconductorconsistingofacopperbardesignedtowithstandtheratedshort-timecurrent,allowingtoinsertorextractmediumvoltagecableswiththeircorrespondingterminationswithouthavingtoremoveit.

Thecontrol compartment,locatedintheupperpartofthecubicleandindependentofthemediumvoltagearea,ispreparedforinstallingmeteringequipmentandprotectionrelays,andcontainstheterminalblockwiththecontrolsignalsproperlyidentified.

Theconnectionswiththeoperationinterfacearemadeviaconnectors,makingtheassemblymoreflexible,andallowingthecontrolcompartmenttobeassembledandconnectedonsiteinasimpledirectway.

Theoperation interface,locatedinthecentralpart,alsoincludesacustomisedmimicdiagramforeachtypeofcubicle,theaccessesformanualoperationofthedisconnectordrivingmechanism,circuit-breaker,springloading,indicationelements,etc.

SAFeTY

Internal arc

Inbothitsassemblyandinitsdifferentcompartments,theinstallationofdifferentelementsallowsthecubicletowithstandaninternalarcof25kA/1s,incompliancewiththe5criteriaofAnnexAofstandardIeC62271-200(classIAC-AFL).

Environmental resistance

Againstaggressiveenvironmentalagents(dust,pollution,humidity,salinity,etc.),protectionagainstindirectcontactandlongservicelifeprovidedbyitsgasinsulation,withthebreakingandmakingcomponentshousedinindependentstainlesssteeltanks,sealedforlife.

Controlcompartment

Cablecompartment

Operationinterface




IP rating

IPratingofIP65forthetankandIP3Xforthecubicleassembly.

Monitoring

Monitoring compensatedby thegaspressure temperature inside thetank,includingpotential-freecontact.

Voltage presence/absence indicator

Permanentindication(multi-LeD)andoptionalcontactsforremoteindicationand/oruseofelectromagneticinterlocks.

Full insulation of the entire power circuit

Includingthecableterminations,allofwhichisshielded,earthedandinstalledinsideametalenclosure.

Ergonomic design

Safeaccesstothecontrolandindicationarea,locatedoutsidetheswitchcompartment.

Standard internal interlocks

Theypreventtheexecutionofincorrectoperations.Optionofadditionalinterlocks.

Safe and simple operation

QuALITYOFTHeeLeCTRICALSuPPLY

TheCPGsystemcontributestoimprovingtheelectricaldistributioninMediumVoltagenetworks:

•Routine testsperformedatthefactoryonallequipment.

•Sealed assembly:on-siteinstallationandassembly,withoutgasmanipulation.

•Circuit-breakerwithvacuumbreakingtechnology,compactandhighlyreliable,certifiedaccordingtostandardIeC62271-100,includingextendedelectricalendurance(classe2)withfastreclosingcycle,andthereforemaintenance-freeduringitsentireservicelife.

•Visual indication ofthepositionoftheswitchgearinthemimicdiagram.

•No maintenance ofthelivepartsofthecubicles,whichincreasestheavailabilityandcontinuityofservice.

•Easy and reliable connectionofthecontrolandindicationcircuits,usingconnectors.

•Loss of service continuity categoryaccordingtoIeC62271-200:LSC2B.

•Ormazabal'sprotection,meteringandcontrolelectronic units:ekorRPSandekorRPG.

Controlcompartment

Operationinterface




Types of cubicles

CPG.0-V Circuit-breakercubicle

CPG.0-F Fuseprotectioncubicle

CPG.0-S Disconnectorcubicle

CPG.0-C Busbarcouplingcubicle

CPG.0-RB Busbarrisecubicle

TeCHnICALCHARACTeRISTICS

Rated voltage Ur [kV] 24 36

Frequency fr [Hz] 50/60 50/60

Rated current

inbusbars Ir [A] upto2500 upto1250

outgoingline Ir [A] upto2500* upto1250*

Short-time power frequency withstand voltage (1 min)

betweenphasesandphase-to-earth Ud [kV] 50 70

isolatingdistance Ud [kV] 60 80

Lightning impulse withstand voltage

betweenphasesandphase-to-earth Up [kV] 125 170

isolatingdistance Up [kV] 145 195

Rated short-time withstand current Ik / tk [kA / 1 s - 3 s] 25 25

Rated peak value withstand current Ip [kA] 65 65

Rated short-circuit breaking capacity Isc [kA] 25 25

Rated short-circuit making capacity Ima [kA] 65 65

Internal arc classification IAC AFL25kA-1s AFL25kA-1s

IP rating IP3X IP3X

*Forfuseprotectioncubicle=200A

CPG.0-V 2500 A




CPG.0-V

Circuit-breaker cubicle

Includesavacuumcircuit-breakerandathreepositiondisconnectorinserieswithit.Bothcomponentsarelocatedinsidetheswitchcompartment.

eLeCTRICALCHARACTeRISTICS


Rated busbar current Ir [A]1250/1600/2000/2500

1250

Rated outgoing line current Ir [A]630/1250/1600/2000/2500*

630/1250


*Withforcedventilation

COnFIGuRATIOn

SF6 pressure gauge with potential-free contact YeS

Busbar

Currenttransformers Optional

Voltagetransformers Optional

Three-position disconnector

Motordrivingmechanism(disconnector) Optional

Interlocks** Optional

Vacuum circuit-breaker

Motordrivingmechanism YeS

Trippingcoil YeS

2ndtrippingcoil Optional

Closingcoil YeS

undervoltagecoil Optional

Opening/closingpush-buttonblocking YeS

Voltage presence detector YeS

Auxiliarycontact Optional

Cable compartment

Maximumno.ofcablesperphase 4

Toroidal-corecurrenttransformers Optional

Plug-involtagetransformers Optional

**Seesection“Interlocks”

Applications:

•Maintransformerprotection

•Feederprotection

•Busbarcouplingprotection

•Capacitorbankprotection

•Auxiliaryservicestransformerprotection

DIMenSIOnS

Cubicle 24 kV - 630 A 36 kV - 630 A 24/36 kV - 1250/1600 A 24 kV - 2000 A 24 kV - 2500 A

Control

compartmentLow High Low High Low High Low High

Width [mm] 600 600 800 1000

Depth [mm] 1365 1365 1545 1545

Height [mm] 2225 2425 2225 2425 2225 2425 2225 2425

Weight [kg] <300 <750 <1100 <1200




CPG.0-S

Disconnector cubicle

Includesathree-positiondisconnectorwithoutloadbreakingcapacity.




1250

Rated outgoing line current Ir [A] 1250/1600 1250


COnFIGuRATIOn


Busbar





Interlocks* Optional



Cable compartment

Maximumno.ofcablesperphase 4


Plug-involtagetransformers Optional

*Seesection“Interlocks”.

DIMenSIOnS

Cubicle 24 kV / 36 kV

Control

compartmentLow High

Width [mm] 600

Depth [mm] 1365

Height [mm] 2225 2425

Weight [kg] <550

Applications:

•Feeder/transformerdisconnection.

•Busbarcouplingrise.

•Busbarvoltagemetering.




CPG.0-F

Fuse protection cubicle

Ithasathree-positionswitch-disconnector(closed/open/earthing),includingfuseprotection.Thefusesarehousedinsealedfuseholders,whichinturnareinsidetheswitchcompartment,reinforcingthelevelofinsulation.

Thethree-poleopeningswitchwithcombinedactuationbyfuseblowisoptionallymotorisable.




1250

Rated outgoing line current Ir [A] 200 200


Rated short-circuit breaking current (switch-fuse combination)

[kA] 25 25

Transfer current Itransfer [A] >800 >800

COnFIGuRATIOn


Busbar






Fuses combined with the switch-disconnector YeS



*Seesection“Interlocks”.Applications:

•Auxiliaryservicestransformerprotection.

DIMenSIOnS


Control

compartmentLow High

Width [mm] 600

Depth [mm] 1403

Height [mm] 2225 2425

Weight [kg] <550




CPG.0-C

Busbar coupling cubicle

Itincludesavacuumcircuit-breakerwithtwothree-positiondisconnectorsinserieswithit,oneupstreamandtheotherdownstreamfromthecircuit-breaker.

Theseelementsarelocatedinsidetheswitchcompartments.




1250

Rated outgoing line current Ir [A]1250/1600/2000/2500

1250


COnFIGuRATIOnSF6 pressure gauge with potential-free contact YeS

Busbar






Vacuum circuit-breaker

Motordrivingmechanism YeS

Trippingcoil YeS

2ndtrippingcoil Optional

Closingcoil YeS

undervoltagecoil Optional

Opening/closingpush-buttonblocking YeS

Cable compartment

Lowerbusbar YeS



Applications:

•Longitudinalbusbarcoupling

DIMenSIOnS

Cubicle 24/36 kV - 1250/1600 A 24 kV - 2000 A 24 kV - 2500 A

Control

compartmentLow High Low High Low High

Width [mm] 1200 1600 2000

Depth [mm] 1365 1545 1545

Height [mm] 2225 2425 2225 2425 2225 2425

Weight [kg] <1300 <2200 <2400




CPG.0-RB

Busbar rise cubicle

Allowsthelateralcablefeederincomingoroutgoingforcommunicationwiththebusbarofthegeneralcubicleassemblyanditsearthing.



Rated busbar current Ir [A] 1250/1600 1250

Rated outgoing line current Ir [A] 1250 1250


COnFIGuRATIOnSF6 pressure gauge with potential-free contact YeS

Busbar



Cable compartment

Lowerbusbar YeS



Applications:

•Busbarlateralfeeder.

DIMenSIOnS


Control

compartmentLow High

Width [mm] 600

Depth [mm] 1400

Height [mm] 2225 2425

Weight [kg] <500




Main functional elements

SAFeOPeRATIOn

DISCOnneCTORAnDeARTHInGSWITCH

24/36 kV

Disconnector

Mechanicalendurance M0(1000operations)

Earthing switch

Short-circuitmakingcapacity [kA] 63(50Hz)/65(60Hz)

Electrical endurance e2*

Rated current [A]630/1250/1600**/2000**/2500**

Rated short-time withstand current [kA / 1 s - 3 s]

25

*Theearthingswitchdoesnothavemakingcapacitybyitself,asthisistransferredtothecircuit-breaker.Theelectricalenduranceofthecompleteearthingcircuitise2(5short-circuitmakingoperations).**Validupto24kV.

Characteristics:

•3positions(connection-disconnection-earthing)

• Independentactuationandleversfortheoperations:•Connection-disconnection(motordrivingmechanismoption)•Disconnection-earthing(motordrivingmechanismoption)

CIRCuIT-BReAKeR

24 kV 36 kV

Breaking capacity

Short-circuit(asymmetry) [kA] 25

DC 34% 38%

no-loadcable-chargingbreakingcapacity [A] 31.5 50

Capacitorbankbreakingcapacity [A] 400

Electrical endurance e2

Reclosing sequence O-0.3”-CO-15”-CO

Mechanical endurance M2(10000operations)

Rated current [A]630/

1250/1600/2000/2500

630/1250

Rated short-time withstand current [kA / 1 s - 3 s]

25

Opening time [kA] <45ms

Characteristics:

•Vacuumbreaking• Manualoperationthroughpush-button(lockablewithapadlock)

•Motordrivingmechanism• Springloadingtime<15seconds

• Operatingcoils:• 1shunttripopeningcoil.2ndoptionalcoil.• 1closingcoil• 1undervoltagecoil(optional)




SWITCH-DISCOnneCTOR(combinedwithfuses)

24/36 kV

Switch

Ratedcurrent [A] 200

Mainswitchmakingcapacity [kA] 63

electricalendurance e3

Ciclesofoperations(activecurrent) 100

Ciclesofoperations(Short-circuitmakingcurrent) 5

Mechanicalendurance(manual) M1(1000)

Earthing switch

Short-circuitmakingcapacity [kA] 7.5

electricalendurance e2

Short-circuitmakingoperations 5

Ratedshort-timewithstandcurrent*

[kA / 1 s - 3 s]

25

[kA / 3 s] 3(earthing)

Rated short-circuit breaking current (switch-fuse combination) [kA] 25

*Fuselimitation.

Characteristics:

•3positions(connection-disconnection-earthing)

• Independentactuationandleversfortheoperations:• Connection-disconnection• Disconnection-earthing

•Switchdrivingmechanism:• Manualwithretention(BR)withtrippingcoil•Option:switch-disconnectormotorisation

Î Note: for other values, please consult Ormazabal's Technical-Commercial Department




ekorSYSFAMILY

ThisfamilygroupsaseriesofunitsthatintegratedintheCPG.0cubiclesprovideprotection,metering,controlandindicationintheMediumVoltageelectricaldistributionnetworks:

ekorRPS

SubstationProtectionunitdesignedspecificallytocovertheapplicationsrequiredinthePrimaryDistributionsector.ItsimplementationinCPG.0cubiclesgivesthemthenecessarycharacteristicsforbeingincludedinIntegratedControlsystems.

FeATuReSOFTHeekorRPSunIT

Protection Control

Overcurrent 50n/51n-50n/51n Switchstatusandcontrol Oscillograph

Sensitiveneutral 50ns/51ns Disconnectorstatusandcontrol Chronology

Directionalovercurrent 67n/67n Switchmonitoring Self-monitoring

Overvoltage 59 Localpanel Coldload

Minimumvoltage 27 eventlog Impedance/faultdistance

Frequency 81 Faultreport Automation

Imbalance 46-47 Communications

Reclosing 79 IeC870-5-103 DnP3.0.

Metering IeC870-5-101 PROCOMe

30electricalparameters:voltage,current,power,energy,etc. ModBusRTu

ekorRPG

General Protectionunit designed forovercurrentprotection in electricalinstallationswithConventionalControl.Itisdesignedspecificallytoprotectawiderangeofpowers.

FeATuReSOFTHeekorRPGunIT

Protection Control

Overcurrent 50n/51n-50n/51n Switchmonitoring

Sensitiveneutral 50ns/51ns Fault report

Reclosing 79n Self-monitoring

Overvoltage 59 Communications

Frequency 81 ModBusRTuPROCOMe

Imbalance 46-47

Reclosing 79

ekorIVDS

eachcubiclehasavoltagepresence/absencedetectorwithpermanentlightindicationandanoptionalfreeauxiliarycontactforremotedisplayofthecorrespondingindication.

The indicator, with fixed installation, has been designed according tostandardIeC61243-5andVDe0682Part415.




AuXILIARYeLeMenTS

Current transformers

TransformersdesignedbyOrmazabalwhosemaincharacteristicsare:

•Toroidaltype•encapsulated• Installedoutsidetheswitchcompartment,upstreamofthemediumvoltageconnectors

•Protectedagainstenvironmentalconditions•Simpleassemblyandfreeoferrorsduringinstallation(earths)

Installation:•Busbarcompartmentand/orcablecompartment


Insulationlevel 0.72kV

Ratedwithstandalternatingvoltage 3kV/1min

Ratedfrequency 50Hz/60Hz

Permanentthermalcurrent 1.2IrAccuracyclass e

RATIO MeTeRInG PROTeCTIOn

Primary Secondary

150A*200A250A300A*400A500A600A*

800A1000A1200A1600A2000A2500A

1A5A

CL0.2CL0.5

5P105P20

*Preferredratios.note:Burdenaccordingtotheratios.

Voltage transformers

Characteristics:•Plug-intype•Single-phase• Insulated•Shieled• Inductiveoperation• Installedoutsidetheswitchcompartment•Protectedagainstenvironmentalconditions•Anti-explosive

Installation:•Busbarcompartmentand/orcablecompartment


Ratedvoltage 3.6-36kV

Continuousvoltagefactor 1.2ur

Ratedvoltagefactorur/8h 1.9Hz

Voltageinsecondary100/√3V-110/√3V100/3V-110/3V

Burden 25-50VA

Accuracyclass0.2-0.5-1(metering)3P-6P(protection)

note:Characteristicsconfigurabledependingontypeofinstallation




PROTeCTIOn

Interlocks

•Thedisconnector,circuit-breakerandearthingswitchareinterlockedinaccordancewiththecriteriadefinedinsection5.11ofstandardIeC62271-200.

•Thedisconnectorlevercanonlybeinsertedifthecircuit-breakerisinopenposition.

•Operationonthecircuit-breakerisonlypossibleifthedisconnector/earthingswitchoperationleverhasbeenremoved.Also,allelectricaloperationsareoverriddenifthedisconnectorleverisintheactuationshaft.

•Thecircuit-breakercanonlybeconnectedintheendpositionsofthedisconnector/earthingswitch.

• Intheeffectiveearthingpositiontheelectricalopeningcommandsofthecircuit-breakerareoverridden.

•Theaccesstothefusecompartmentisinterlockedwiththeearthingswitch.

•Thecablecompartmentisonlyaccessiblewiththeearthingswitchinclosedposition.

•Optionally:

• electromagneticinterlockoftheearthingswitch.

• Lockingwithinterlocks:-earthingswitchinclosedposition

-earthingswitchinopenposition

-Disconnectorinopenposition

Installation

CHARACTeRISTICS

•Reduceddimensionsandminimumspacerequiredforitslocation,duetoitscarefuldesignanduseofSF6gasasinsulatingmedium.

•Modularityandextensibilityonbothsides,allowingafastandeconomicinstallationprocess,inreducedspaceandwithoutusinggasonsite,nothavingtomoveadjacentcubiclestoremoveacentralcubicle.

•Reductionofthecubicleroomdimension,duetoitsfrontalaccessanddesignwithoutremovableswitchgear,andnotrequiringarearaccessspace.

•Optimisationofinstallationandcivilworkcostsduetoitsreduceddimensionsandlittleneedofoperationspace.

•Simplehousingofvoltagetransformersandtoroidalcurrenttransformers.




CIVILWORK

Theminimumdistances[mm]recommendedforacorrectinstallation,onceplacedintheirfinallocation,are:

Î * Not required with pressure relief duct.Î ** According to Annex A of standard IEC 62271-220Î For other dimensions, please consult Ormazabal's Technical-

Commercial Department.

COnneCTIOnBeTWeenCuBICLeS

Theconnectionbetweencubiclesisexternaltotheswitchcompartmentandismadewithbusbarswithsolidandshieldedinsulation,designedtoallowuninstallingafunctionalunitwithouthavingtomovetheadjacentunitsandwithout gas manipulation.

Thecopperbusbarsarepreparedtowithstandthermalanddynamicforcesofratedshort-timecurrents(25kA/1or3s)andratedcontinuouscurrents,the2typesofexistingbusbarsare:

•Option1:busbarsupto1600A/24kVorupto1250A/36kV

•Option2:busbarsupto2000Aand2500A/24kV

Î In the version up to 24 kV, the two busbar options are incompatible between each other.

Products, applications, solutions:

• Primarydistributionswitchgear

• Secondarydistributionswitchgear

• Automation,protection,remotecontrolandcommunicationsinelectricalnetworks

• Distributiontransformers

• LowVoltageboards

• Transformersubstations

• MediumVoltageapplicationsforrenewableenergy

CA-110-GB-1105

TECHNICAL-COMMERCIAL DEPARTMENT

Tel: +34 91 431 87 31Fax: +34 91 431 87 32

www.ormazabal.com

cpg.0 gas insulated, single busbar cubicle range · pdf filefocus on medium voltage 3 gas...

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