gis elk-04

© ABB Group February 22, 2013 | Slide 1

Gas Insulated Switchgear ELK-04Up to 170kV, 63kA, 4000A

Tripob Luangrattanacharoen, PPHV, 21 Feb 2013


Table of Content

Essentials at a Glance

Innovation by Tradition

Merging of Portfolio

Building Block System

Functional Modules

Combination of Modules

Execution Examples

Application Examples


Essentials at a Glance (1) Gas Insulated Switchgear and Circuit Breaker

Generator Circuit Breaker

Air Insulated Switch-gear 52-550kV

Gas Insulated Switch-gear 245-1100kV

Gas Insulated Switch-gear 52-170kV

Gas Insulated Switch-gear 1- 52kV

Circuit Breaker Modules 52-800kV


Essentials at a Glance (2)Technical Data, Product Portfolio GIS

Sub-Transmission

52-170kV

Transmission

245-1100kV

Type ELK-04 ELK-14 ELK-3 ELK-4 ELK-5

Enclosure Three phase Three-, Single phase Single phase

Rated Voltage (KV) 145/170 245/252/300 420/550 800 1100

Rated Power Frequency Withstand Voltage * (kV) 275/325 460 650/740 960 1100

Rated Lightning Impulse Withstand Voltage* (kV) 650/750 1050 1425/1550 2100 2400

Rated Normal Current (A) 2500/3150/4000 3150/4000 4000/6300 4000/5000 4000/6300

Rated Short Circuit Breaking Current, 3s (kA) 40/50/63 ** 50/63 63 50 50

* Against earth, ** up to 145kV


Essentials at a Glance (3)Modular, flexible Systems from 52-1100kV (Examples)

ELK-04 Three phase Up to 170kV,

63kA, 4000A

ELK-14 Three- and

single phase Up to 300kV,

63kA, 4000A

ELK-3 Single phase Up to 550kV,

63kA, 6300A

ELK-5 Single phase Up to 1100kV,

50kA, 6300A

Size of human


Essentials at a Glance (4)Important Features

Compact, Completely Encapsulated Active Parts No influence of environmental conditions Modular, flexible und volume optimized Minimum volume of insulating gas, high gas tightness Reliable function at high altitudes (> 1000m) High reliability and availability

High Economic Efficiency Low life cycle - and maintenance costs Long economic life-time (> 40 years) Pre-fabricated, pre-tested - short project processing time

Energy Efficient Flexible integration within center of power consumption Ideal solution for integration of renewables Intelligent secondary technology

Integrated Technology


Dreiphasig gekapselte Schaltanlagen

1 Disconnecting and earthing switch (busbar)2 Circuit breaker3 Current transformer4 Disconnecting and earthing switch (feeder)5 Voltage transformer6 Make-proof earthing switch7 Cable exit

ELK-04 Double bus-bar

bay Modules

12

3

45

6

7

Completely three phase encapsulated Continuous further development since market

launch in 1992 Complete bay fits in container Worldwide experience under many different

conditions Already today integral part of hydro power plants

and offshore wind farms Many features protected by patents

The Reference up to 170kV

Legend

ELK-04 Cross section Double bus-

bar bay up to 170kV, 50kA, 4000A

Essentials at a Glance (5)ELK-04, the Reference from 52 - 170kV


Table of Content


Innovation by Tradition Merging of Portfolio


Functional Modules


Execution Examples



Tradition and Innovation (1) Milestones from more than 40 Years of Experience

Pioneer & Leader in GIS-Technology 1956 First research with SF6

1965 First GIS, 110 kV 1966 First GIS, 170 kV 1976 First GIS, 550 kV 1978 First GIS, 80 kA, 245/550 kV 1987 First GIS, 800 kV 1992 First GIS, Container, 145 kV 1997 First GIS, very compact, 123 kV 1998 First GIS, 3-phase, 50kA, 170 kV 2003 First GIS, 3-phase, 63kA, 145 kV 2008 First GIS, 1100 kV


Tradition and Innovation (2)The Complete Story up to 170kV

1967 1977 1987 1997

1969 Introduction, three phase bus-bar1973 Upgrade to 145kV, 2500A

1978 Introduction, complete three phase design1980 Introduction ELK-02, modular design

1986 Introduction 170kV, 40kA1988 with self blast interrupter

1996 Introduction with 123kV, 2500A, 40kA2003 Upgrade to 145kV, 2500A2005 Upgrade to 145kV, 3150A/4000A

1992 Introduction with 170kV, 3150A, 40kA 1997 Upgrade to 50kA, 3150A2002 Upgrade to 63kA, 4000A 2007

EBK-0 ELK-03

EXK-01

ELK-04

ELK-01/02


Table of Content



Merging of Portfolio Building Block System

Functional Modules


Execution Examples



Merging of Portfolio (1)Consistent Further Development

Background GIS portfolio was continuously extended and improved since the

end of the Sixties. Until end of the year the 2007 ABB product portfolio covers the

ELK-04 (launched 1992) and the EXK-0 (launched 1996)

Consistent Further Development The initially different products have meanwhile evolved into a

highly standardized modular system. A great variety of technical requirements can be met with a small

number of modules (primary components and their operatingmechanisms)

Logical Consequence “Merging of Actual Portfolio” Due to consistent further development it is logical to incorporate

two nearly identical products into one common product.


Merging of Portfolio (2)Phase out of Brand Name “EXK-0”

Phase out of Brand Name “EXK-0” End of 2007 ABB decided to phase out the brand name EXK-0 Since 2009 the modular building block system is available under

the well-known brand name ELK-04. To cover the common product portfolio under the name of ELK-04,

all original type tests were repeated according to IEC 62271.

Important Information Extension of already installed substations with “EXK-0” equipment

(all variants) is still possible (and will be in future) Differentiation by flange diameter and by ratings (if needed)

Customer Benefit Requirements can be met with optimized layout (size and costs) Reduced spare part handling


Merging of Portfolio (3)Differentiation based on Flange Diameter

IN: maximum continuous current

72.5 123 145 170

31.5

40

50

63

UR/kV

Ik/kA

Flange diameter = 735mm, IN 3150A(original ELK-04)

Flange diameter = 520mm, IN 2500A(original EXK-01)

Flange 735

Flange 520


Merging of Portfolio (3)From Different Design to Common Design

ELK-04• 170kV• 3150A• 40kA

Original Design (2 Products)

EXK-01• 123kV• 2500A• 40kA

New Common Design (1 Product)

ELK-04• 170kV• 4000A• 50/63kA

ELK-04• 145kV• 40kA

Left• 2500A

Right• 3150A


Table of Content




Building Block System Functional Modules


Execution Examples



Building Block System (1)Basic Idea of Modular Building Block Design

Example: Substation with DBB arrangement, 132kV, 40kA, 3150A bus-bar current,all outgoing feeder with 2000A

Why use of modules with 3150A rating for outgoing feeder?

3150A

2000A


Building Block System (2)Typical Layouts (Double Bus-Bar Arrangement)

170kV, 4000A, 50kA 145kV, 3150A, 63kA

145kV, 3150A, 40kA 145kV, 2500A, 40kA

48255325

36004300

2950

3200

2900

2700

2350

2350

2350

2550


Table of Content





Functional Modules Combination of Modules

Execution Examples



Functional Modules

Circuit Breaker & Operating Mechanism

Combined Disconnector and Earthing Switch

Make-Proof Earthing Switch

Cable End Unit, Gas-to-Air Bushings

Current and Voltage Transformers

Completion Modules, Gas Compartment System

Control and Monitoring


Functional ModulesCircuit Breaker (1)

Features All ELK-04 circuit breakers are equipped with

self blast interrupters

- One interrupter unit per pole

- Minimum maintenance requirements

- Low amount of switching energy

- Enclosures with large and small flangedimensions are available

Current transformers (CT) can be integratedinto all flanges

HMB operating mechanism is common for allcircuit breaker variants.

Variants with single and triple pole operation

Different switching duty cycles up to OCO-COwithout recharging

Circuit Breaker• 145kV, 40kA

3150A• integrated CT


Functional ModulesCircuit Breaker (2)

Legend Schematics

Left side1. Interrupter unit2. Current transformer3. Barrier insulator4. Operating mechanism

1

2

3

4

Right side1. Breaker closed2. Interruption of operating

currents3. Interruption of short

circuit currents

1 2 3


Functional ModulesCircuit Breaker Operating Mechanism (1)

Circuit Breaker Operating Mechanism Portfolio, 52-170kV

Circuit Breaker 50kA/63kA Circuit Breaker 40kA

Triple-pole Single-Pole

HMB-1 HMB-1s1)

1) No mechanical linkage of interrupters2) only for 50kA

Triple-pole Single-Pole

HMB-2 HMB-2s 1),2)

Stored energy without recharging OCO, CO-CO, OCO-CO for HMB-1 OCO, CO-CO for HMB-2


Working cylinder

Charging module

Storage module

Change over valve

HMB-1 operating mechanism for 40kA Three pole operation

DemoApplication

HMB-1s operating mechanism for 40kA Single pole operation




Features (Complete Family) Highest power density in the market Modular design Easy and fast adaptation on new circuit

breaker applications Maintenance free High operating time consistency Long term stability Low noise level Low reaction forces Follow up product of successful AHMA-

mechanism family

More than 70.000 operating mechanisms successfully in operation

HMB-1Triple pole operation

HMB-2Control valves


Functional ModulesCombined Disconnector and Earthing Switch (1)

Features Two different types are available

- busbar side with 3 flanges

- feeder side with 4 flanges

Same elements under high voltage.

Disconnector and the earthing switch are equipped with separate control units.

Legend (schematics left side)1. Three position switch2. Disconnector contact3. Earthing contact4. Barrier insulator5. Transverse assembly element

1

2

3

45

Open viewFeeder side

SchematicsBus-bar side


Functional ModulesCombined Disconnector and Earthing Switch (2)

Relays

Translation gear box

Features of Operating Mechanism Standardized operating mechanism

Ensures safe mechanical movement and interlocking.

Position indicators and auxiliary switches are positively connected

Manual operation of disconnector and earthing switch with crank handle.

No need to open the operating mechanism to perform an interlocking and a mechanical operation.

Note: Operating mechanism replaces all other versions of operating mechanisms

Mechanism onfeeder side

Open view


Functional ModulesMake-Proof Earthing Switch

Features Safely switch against full short circuit current Placement on the feeder side or on the bus-

bar side Effects of incorrect switching operation are

drastically reduced Equipped with spring operating mechanism to

ensure very fast switching.

Legend (schematic left side)1. Contact pin2. Female contact3. Insulation4. Earthing connection

12

34

Mechanicalroutine test

Maximum security by full short circuit current withstand capability


Functional ModulesCable End Unit

Features Cable end units conform with IEC 62271-209 Main elements of plug-in cable connections

- Plug-in sockets made of epoxy resin- Cable connectors with pre-manufactured

stress-cones made of silicone rubber. Consistent separation of the switchgear

installation from the cable installation. All cable end units can optionally be equipped

with- HV detection system - Barrier insulator to separate the gas

compartment of the cable end unit

Note: Separation of gas compartment makes only sense in case of fluid filled cable end unit.

Plug-in dry type cable connection

Inlay of cable end unit

type C


Functional ModulesGas-to-Air Bushings

Features Gas-to-air bushing allows the transition from

encapsulated substation to overhead lines or to transformers.

Composite material bushings are characterized by a Fiber-reinforced supporting bus duct Made of epoxy resin with vulcanized

shields, realized by silicone rubber. Fail-safe, explosion-proof and easy to

handle Hydrophobic insulation material which

show an excellent pollution layer characteristic.

Upon request, classical bushings with porcelain insulation can also be provided.

Gas-to-air bushing to connect overhead lines


Functional ModulesVoltage Transformers

Features Voltage transformers are located in a single

enclosure Separated from the residual part of the bay

with a barrier insulator. The primary sided insulation is provided by

SF6-gas Variants with ferro-resonance damping and

with integrated isolation device available as well

Legend (schematic left side)1. Primary sided winding2. Secondary sided windings with cores3. Terminal boxes4. Barrier insulator5. Multiple bushing disk

12

3

4

5

Typical voltage transformer of type VT2

Schematics


Functional ModulesCurrent Transformers

Legend (schematic left side)1. Primary sided winding2. Secondary sided windings with cores3. Terminal boxes4. Barrier insulator5. Support insulator6. Multiple bushing disk

12

3

45

6


Functional ModulesCompletion Modules

A complete configuration of a substation may require different completion modules. These are mainly:

- Adapters (mainly to extend phased out products)

- Bus ducts (up to 6m) and angle pieces- T- and cross pieces with enclosures

which are identical with disconnector modules

- Transformer direct connections- Surge arrester to protected overvoltage

sensitive components (transformers)

Modules are equipped with support- or barrier insulators.

Plug-in and tulip contacts serve for to connect of the conductors.

Bus ducts and angle pieces

Three phase transformer connection


Functional ModulesGas Compartment System

Gas compartments are partitioned by barrierinsulators.

Gas pressure is monitored by temperaturecompensated relays.

Gas compartments are equipped with a non-return valve, thus taking gas samples orrefilling of SF6-gas can be performed withoutany problems.

Note: For reasons of occupational safety andenvironment protection, ABB does neitheroffer nor deliver any external gas piping,neither for permanent nor for temporary use.

Gas pressure relay

Barrier Insulator


Functional ModulesControl and Monitoring (1)

Local control cabinet (LCC) with

- Classical wired control & protection

- Digital control and protection

- Monitoring functions

Control cables with coded heavy duty connectors

Connection to

- Station control centre

- Control devices (e.g. gas density relay), operating mechanisms

Main ComponentsLCC withdigital control and monitoring



Digital Control based on IEC 61850



Digital Control and Protection Several digital control and protection devices

are available, configurable according to the desired control and protection philosophy.

Single line diagram with position indicators and control buttons is replaced by a digital human-machine interface (HMI).

Digital control devices provide the same functions as conventional control technology.

Additional control and protection functions:

- Synchro-check

- Auto re-closing

- Operating frequency supervision

- Fault recorder

- Backup protection

HMI of digital control device



Ethernet Switch Monitoring PCOptional monitoring devices

Station wide Communication IEC 61850

Data acquisition with bay controller

Circuit breaker data acquisition

Architecture of Monitoring System based on IEC 61850



Function Condition Process Data Applies to

Operation counter Lifetime/Maintenance scheduling

Operation Counter, Time since last maintenance All switching devices

Operating mechanism condition

Mechanical failures or malfunction

Moving and Reaction time All switching devices

Contact wear estimation Contact wear caused by fault clearing

Fault current, arcing time Circuit breaker

Pump condition Leakages, Pump motor failures

Pump starts, oil fill level

Circuit breaker operating mechanism

SF6-density measurement & trend calculation

Leakages of gas compartment SF6-density Gas compartments

Arc detection Internal flash-over Optical arc detection Gas compartments

Partial discharge Partial discharge UHF Gas compartments

Device supervision (self supervision) Device malfunction Watchdog signal All electronic devices


Table of Content





Functional Modules

Combination of Modules Execution Examples



Combination of ModulesExample: DBB Arrangement for 145kV, 40kA, 3150A

Disconnecting/ Earthing Switch

Barrier Insulator

Control Cubicle

Circuit Breaker

Cable End Unit

(IEC)

Make Proof Earthing Switch

Voltage Transformer

Disconnecting/ Earthing Switch

Integrated Current Transformer

Single line

Flange diameter 735mm

Flange diameter 520mm


Table of Content





Functional Modules


Execution Examples Application Examples


Execution Examples Double Busbar Arrangements (1)

Double Bus-bar Arrangement Common for important key-point substations,

power plant feed-in etc. If both busbars are operated with the same

priority the principle of busbar separation can be applied to reduce the short circuit current.

Both busbars and their feeders are part of separate sub-grids.

Different coupling variants show a wide range of applications:

- Simple bus coupling- Combined sectionalizing and bus

coupling with six or eight disconnector switches.

- Double disconnector switches allow even subsequent high-voltage tests after station extensions or maintenance during partially normal operation.


Execution Examples Double Busbar Arrangements (2)

1½-breaker arrangement The 1½-breaker arrangement is a traditional

circuitry Especially the non availability of the circuit-

breaker during maintenance is taken into consideration.

Grids or substations are usually operated in such a way that all switches are closed.

Each feeder is then fed from two sides, so that even a faulty busbar can be switched off without any outage.


Execution Examples Single Busbar Arrangements (1)

Single Busbar Arrangement Smaller substations or single-feed stations

are frequently designed with single busbar arrangement.

Layout of a substation with single busbar arrangement is similar to that of a double busbar one’s.

Either the lower or upper busbar is not applicable.

Single busbar arrangement can later be upgraded to a double busbar arrangement,


Execution Examples Single Busbar Arrangements (2)

H-Busbar Arrangement H-busbar arrangement is often used to

supply industrial enterprises or smallerregions.

With respect to supply reliability two feedinglines and two step-down transformers areoptimal.

The station can be operated as a double-feedstation, with closed cross connection as aring substation as well.

If a subsequent extension of the substation isunder consideration, a layout with singlebusbar and section coupling is selected.

Later, this substation can be upgraded todouble busbar arrangement and buscoupling.


Execution Examples Substation Examples (3)

Double busbar arrangements

Single busbar arrangement

1½-breaker arrangement

Ring busbar arrangement


Table of Content





Functional Modules


Execution Examples



Application Examples (1) Advantageous Applications

Compact, High Power Density, no Influence of Environmental Conditions

Heavy duty ratings (63 kA / 4000 A) at minimum gas volume

Outdoor installation without influence of environment

Ideal solution for Integration of Renewables

Hydro power plants

Offshore wind farms

Support of energy management by intelligent secondary technology

USALas Vegas,nearby Bellagio

SwitzerlandElgisau,nearby water fall Rhine river


Flexible Integration in Buildings in Centre ofPower Consumption

Compact design, not visible

Fully encapsulated active parts

Container Substation, Short Delivery Times

Movable container substation for temporary energy demand and for industrial applications


GreeceAthena,Olympic Games 2004

Abu Dhabi

Integrated in shopping center


Harsh Environmental Conditions


Outdoor installation without influence of environment

GermanyHeidelbergOld Part of the City

USATexasRefinery


Flexible Integration in Buildings in Centre ofPower Consumption

Compact design, not visible


gis elk-04

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