AC metal-clad enclosedswitchgear

REGIONAL OFFICES

NORTH

BRANCH OFFICES

New Delhi

GE India Industrial Pvt. Ltd.71/1, Shivaji MargNew Delhi-110015Ph: (011) 45052277/8Fax: (011) 25928088

Chandigarh

GE India Industrial Pvt. Ltd.SCO No. 72 & 73, First FloorSector 8/C, Madhya MargChandigarh-160008Ph: (0172) 3982908-10Fax: (0172) 3982905

Jaipur

GE India Industrial Pvt. Ltd.448, 4th Floor, Ganapati PlazaM.I. Road, Jaipur-302001Ph: (0141) 5112802Fax: (0141) 2389012

Lucknow

GE India Industrial Pvt. Ltd.101, Ace Business Center19, Vidhan Sabha MargLucknow-226001Ph: (0522) 3203808, 3012444/666Fax: (0522) 4045909

SOUTH

Bangalore

GE India Industrial Pvt. Ltd.The Millenia, Level-6, Tower B1 & 2, Murphy Road, UlsoorBangalore-560008Ph: (080) 41434000Fax: (080) 41434199

Chennai

GE India Industrial Pvt. Ltd.Temple Tower, 6th Floor476, (New No. 672) Anna SalaiNandanamChennai-600035Ph: (044) 45070470-84Fax: (044) 45070474

Coimbatore

GE India Industrial Pvt. Ltd.No.36/6 & 7, 1st FloorAshirwad BuildingD.B.Road, R.S. PuramCoimbatore-641002Ph: (0422) 4393520 / 4393529

WEST

Mumbai

GE India Industrial Pvt. Ltd.361/362, Solitaire Corporate ParkM. Vasanji Road, ChakalaAndheri (E), Mumbai-400093Ph: (022) 40101610Fax: (022) 40101611

EAST

Kolkata

GE India Industrial Pvt. Ltd.Horizon Building, 4th Floor 57, Chowringhee RoadKolkata-700071Ph: (033) 40034056Fax: (033) 40034071

Works:GE India Industrial Pvt. Ltd.Plot No. 42/1 & 45/14Electronic City - Phase IIBangalore-560100Ph: (080) 41113000Fax: (080) 28528469/552

HO:GE India Industrial Pvt. Ltd.The Millenia, Level-6, Tower B1 & 2, Murphy Road, UlsoorBangalore-560008Ph: (080) 41434000Fax: (080) 41434199Email: query@ge.com

Toll Free No:18001024343

Customer Care:gecustomer.care@ge.com

We are committed to continuous development and improvement of our products and the specifications aresubject to change without notice. For product availability and latest prices, please contact GE Sales Team.

For any further information, visit us at http://www.geindustrial.com

g and General Electric are registered trade marks of General Electric Co. USA©

Ahmedabad

GE India Industrial Pvt. Ltd.405-406, Kirtiman ComplexKinariwala House, Behind CitibankOff C.G. Road, Ahmedabad-380006Ph: (079) 65427385/55427389Fax: (079) 26460637

Pune

GE Money Financial Services LimitedShop No. 405-410, 4th FloorCity Point, Dhole Patil RoadPune-411001Mob: +91 9850867507

Cochin

GE India Industrial Pvt. Ltd.Mayur Business Center & MotelChittur Road, Pullepadi JunctionCochin-682035Ph: (0484) 2364139Fax: (0484) 4031400

Hyderabad

GE India Industrial Pvt. Ltd.5-2-45, Hyderbasti, RP RoadNear Gujarati High SchoolSecunderabad-500003Ph: (040) 27543162, 66311264Fax: (040) 66339272

SecogearP/VII-12

1

Secogear P/VII-12 AC metal-clad enclosed switchgearSecoGear P/VII-12 is the latest indoor electric distribution equipment produced by GE Energy – Industrial Solutions. It is a three-phase, metal-clad, air insulated switchgear that is factory-assembled, type tested and suitable for indoor applications up to 12 kV and rated current up to 4000A. It is designed, assembled and tested to meet or exceed applicable IEC standard.

SecoGear reliability is based on the usage of proven components including the SecoVac VB2 type high performance vacuum circuit breaker. It incorporates the compartment concept with grounded metal barriers that segregate primary functions so that no live parts are exposed. Safety Interlocks are standard, as are closed door racking and storage, breaker position indicator, and positively actuated safety shutters.

Combining the time-honored advantages of General Electric metal-clad switchgear – flexibility, quality and economy – with vacuum interrupter’s longer life, design simplicity and reduced maintenance, SecoGear is building its own tradition of superiority.

Environmental dataMax ambient temperature +400C.Min ambient temperature -150C.Mean ambient temperature within 24h not more than 350C. Maximum average relative humidity:Over 24 hour period 95%Over 1 month period 90%Saturated steam pressure:Daily average: <2.2kPaMonthly average: <1.8kPaAltitude category does not exceed 1000mEarthquake intensity no more than 8 degreeSite free from fire/explosion, severe contamination, corrosion and violent shock and ambient air is not polluted obviously by dust.

Note: when the relative humidity is above 70%, the heater shall be put into use for preventing condensation. When the normal service condition is different from the above

mentioned, please confer with us.

Applicable standardsIEC62271-200 AC metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV

2

StructureThe rails for the breaker are assembled in the middle of the cubicle / breaker compartment. This is more advantageous for the easy operation. This design also provides sufficient space to access the power cable termination and maintenance.

The switchgears can be arranged face to face but cannot be installed against wall.

*Only for the structure 650mm in width ; Once there is a switchgear with 650mm in width, the depth of the other cubicles will change accordingly.When cables come in switchgear from the top, then should add rear channel cabinet with 200mm depth. When the busbars come in from the top, should add rear channel cabinet with 350mm.

Height (a) mm 2200

Width (b)

Rated breaking current ≤31.5ARated current of branched

busbar≤1250Amm

650800

Rated breaking current:40kARated current of branched

busbar≤1250Amm 840

Rated breaking current:40kARated current of branched

busbar>1250Amm 1000

Depth of the frame

mm1550 1590*

Depth of the rear cover

plate(d)mm 30

A. Busbar compartmentB. Truck compartmentC. Cable compartmentD. LV compartment1. Pressure relief flap2. Enclosure3. Removable partition4. Branch busbar5. Main busbar6. Fixed contact

7. Bushing spout8. Current transformer 9. Earthing switch10. Cable sealing terminal box11. Arrestor12. Bottom plate13. Secondary terminal box14. Removable partiton15. Secondary terminal panel16. Shutter

17. Secondary plug18. Vacuum circuit breaker19. Earthing for moving truck20. Racking mechanism21. Earthing switch operation mechanism22. Control cable duct23. Main earthing busbar

Construction of Secogear P/VII-12 for cable incoming and feeder

3

Circuit breaker compartment The CB compartment is located in the front of the cubicle. Rails are provided on both sides of the compartment for the breaker to move between the test and service positions.Bushing type CT or bushing spouts and protective metallic shutters are provided in the breaker compartment. The shutters open automatically when the breaker moves from test position to service position. The protective shutters cover the fixed contacts when the breaker moves from service position to test position thereby protecting personnel from coming in contact with the live parts.The rack in / rack out operation of the breaker can be carried out with the door of the cubicle closed. The position of the breaker truck can be viewed through the window on the door.

Withdrawable partsBased on the purposes, the withdrawable parts can be classified as circuit breaker truck, PT truck, link truck, metering truck and etc. The same truck can be interchangeable easily. The primary arms installed on each phase are all equipped with spring fingers. Trucks can be in test and servicing positions, each of which has a locating device to ensure the trucks is allowed being operated only when they are at the proper positions.Before the truck is moved, the breaker should be in open.

Busbar compartmentLocated at upper rear part of the cabinet is the Busbar compartment . Main busbars can be led from one cubicle to another. The bushings installed on the partition not only support the main busbar but also prevent the faulty spreading to the adjacent cubicle. Branched busbar can be connected to the main busbar and bushing spout with bolts. All busbars can be covered with heat-shinkable tubings according to customer' s special requirements.The busbar joints can also be covered with insulation boot.

The enclosure and partition The enclosure of the switchgear is made of folded high quality steel plates connected with fasteners. The assembled switchgear has integrity in dimension. The cubicle is divided into circuit breaker compartment, busbar compartment, cable compartment and LV compartment by metal partitions. Each function unit is separated from others.

4

Cable compartmentThe lower rear of the cubicle is cable compartment, in which current transformer, earthing switch and arresters can be installed. With the rear cover plate removed, the operator can enter the cubicle to install cables. 1 or 3 cables can be connected to the terminal in parallel at the same time. The height of the cable terminals can reach 680mm. In the bottom of the compartment there is removable steel plate as well as cable clips and seal rings with variable radius.In addition, heaters are set in both truck compartment and cable compartment to prevent condensation caused by high ambient humidity.

Pressure-relief All the truck compartments, busbar compartment and cable compartment have pressure relief duct. In the case that internal arc fault occurs to the truck, busbar or cable compartments, the pressure inside the compartment rise. The pressure-relief plate will be opened automatically to release pressure and gas. At this time because the seal ring installed on the door is enclosed, the safety of the operators in front of the panel is guaranteed.

Earthing deviceThere are fixed earthing contacts on both sides of the truck compartment , and there are moveable earthing contacts installed on both sides of the truck to ensure that the truck be earthed reliably from the test position to servicing positon. The earthing resistance is less than 300 μΩ.After the cubicle is arranged properly, earthing busbar of cubicles be connected and be connected to the earth.

InterlocksPerfect and reliable interlocks facilities are incorporated to ensure safe operation. These include the following: a. Only when earthing switch is in open (at this time the rear

cover can’t be open), the truck can be racked in from test position to servicing position.

b. Only when the breaker is in open, the truck can be racked between the test position and servicing position in cubicle.

c. When the earthing switch is closed (at this time the rear cover can be open), the truck can’t be racked in from the test position to serving position.

d. When the rear cover is open, the earthing switch can’t be open .

e. The earthing switch can be closed, only when the breaker truck is on test position or outside the cubicle.

f. When the truck is on servicing position, the secondary plug will be locked and can’t be removed.

g. Only when the breaker truck is on test position or servicing positon, the breaker can carry out opening and closing operation.

h. All the doors of HV compartments are equipped with locks and be opened or closed with special tools.

Note: It is allowed to use capacitive voltage detection system.

LV compartmentLV compartment is on the upper front of the cubicle.The secondary instruments such as the metering instruments, operating switch, buttons and relays, etc, can be installed. There are some little holes on the side plate of the compartment for wirings.

5

Technical data for switchgear

Technical data for closing and opening electric magnet coils

Technical data for Secovac VB2 circuit breakers

Technical data for spring operation mechanism of Secovac VB2-12 circuit breaker

Description Unit Data

Rated voltage kV 3.6,7.2,12

Rated insulation level1min Power frequency withstand voltage kV 42

Lightning impulse voltage (peak) kV 75

Rated frequency Hz 50

Rated current of main busbar A 800,1250,1600,2000,2500,3150,4000

Rated current of branch busbar A 800,1250,1600,2000,2500,3150,4000(forcing cooling for 4000A)

Short-time withstand current (4s) kA 26.3,31.5,40

Rated peak withstand current kA 66,80,100 (125)

Degree of protection Enclosure IP4X, IP2X (if the truck compartment door is open)

Description Unit Data

Rated voltage kV 3.6,7.2,12

Rated insulation level1min power frequency withstand voltage kV 42

Lightning impulse voltage (peak) kV 75

Rated frequency Hz 50

Rated current A800,1250,1600,2000,2500,3150,4000*

(forced cooling in panel)

Short-time withstand current (4s) kA 26.3,31.5,40

Rated peak withstand current (peak value) kA 66,80,100 (125)

Times of rated short-circuit current breaking Times 50,30 (breaking current 40kA)

Operation sequence Open-0.3s-close-open-180s-close-open

Mechanical service life Times 20000

Contact stroke mm 9±1

Over-travel mm 5±1

Average closing speed m/s 0.5~1

Average opening speed m/s 1~1.3

Contact closing bouncing time ms ≤2

Three-phase contact close and open asynchronization ms ≤2

Description Unit Data

Rated working voltage (Un) V AC/DC110 AC/DC220

The rated input power of motor W 300

Charging time under rated working voltage S ≤10

Normal working voltage scope 85%~110%Un

Description Unit Data

Rated working voltage V DC24 DC110 DC220

Normal working voltage scopeClosing: 85%-110%Un

Breaking: 65%-120%, when <30%Un, breaking is not allowed

Technical data for energy charging motor

* on request

6

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7

Transportation and storageDuring the transportation and storage of the switchgear, the following should be noted:(1) Don' t tilt , collide and upside down or violent shake.(2) Prevent it from rain and dampness.Don' t remove the electric components randomly so as to keep the integrity of the product.

OrderWhen ordering, customers shall provide the following documents:(1) Primary circuit scheme and the single line system drawing.(2) The array diagram of the switchgears and arrangement diagram of the station.(3) The specification and quantity of the electrical equipment installed in each switchgear with the list of equipments.(4) The secondary circuit diagrams.

Documents and accessoriesFor this product, the following documents and accessories will be provided:(1) Product certificate.(2) Product manual.(3) Array diagram and secondary wiring.(4) The operation handle of breaker, earthing switch and energy storage. (5) Proper number of special lifting trucks for circuit breakers.

Installation foundationThe construction of the foundation ground shall conform to the local specifications for electric power construction and acceptance.The allowable error of the channel steel, frame structure shall not be greater than 1mm/m. the total length variation: ±3mm.Structure reference of foundation frame is shown in figure 1 & figure2.The foundation of switchgear is formed by pouring concrete in twice, once pouring the installation foundation, the second time, supplement concrete on the surface. The thickness shall be 60mm in normal; the supplemented height shall be lower than channel steel 1-3mm.

Note: Red figures in the diagram show the sizes when the cubicle' s width is 650mm.

Figure 1: cable chute sketch

1450

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300 60

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Benchmark in frontof the cubicle door Normal panel (Including front door and rear cover)

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Note: The red letters in the diagram show the sizes when there is panel with width of 650mm in the array. Figure 2 Reference structure of concrete ground foundation frame

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Single array 1500

REGIONAL OFFICES

NORTH

BRANCH OFFICES

New Delhi

GE India Industrial Pvt. Ltd.71/1, Shivaji MargNew Delhi-110015Ph: (011) 45052277/8Fax: (011) 25928088

Chandigarh

GE India Industrial Pvt. Ltd.SCO No. 72 & 73, First FloorSector 8/C, Madhya MargChandigarh-160008Ph: (0172) 3982908-10Fax: (0172) 3982905

Jaipur

GE India Industrial Pvt. Ltd.448, 4th Floor, Ganapati PlazaM.I. Road, Jaipur-302001Ph: (0141) 5112802Fax: (0141) 2389012

Lucknow

GE India Industrial Pvt. Ltd.101, Ace Business Center19, Vidhan Sabha MargLucknow-226001Ph: (0522) 3203808, 3012444/666Fax: (0522) 4045909

SOUTH

Bangalore

GE India Industrial Pvt. Ltd.The Millenia, Level-6, Tower B1 & 2, Murphy Road, UlsoorBangalore-560008Ph: (080) 41434000Fax: (080) 41434199

Chennai

GE India Industrial Pvt. Ltd.Temple Tower, 6th Floor476, (New No. 672) Anna SalaiNandanamChennai-600035Ph: (044) 45070470-84Fax: (044) 45070474

Coimbatore

GE India Industrial Pvt. Ltd.No.36/6 & 7, 1st FloorAshirwad BuildingD.B.Road, R.S. PuramCoimbatore-641002Ph: (0422) 4393520 / 4393529

WEST

Mumbai

GE India Industrial Pvt. Ltd.361/362, Solitaire Corporate ParkM. Vasanji Road, ChakalaAndheri (E), Mumbai-400093Ph: (022) 40101610Fax: (022) 40101611

EAST

Kolkata

GE India Industrial Pvt. Ltd.Horizon Building, 4th Floor 57, Chowringhee RoadKolkata-700071Ph: (033) 40034056Fax: (033) 40034071

Works:GE India Industrial Pvt. Ltd.Plot No. 42/1 & 45/14Electronic City - Phase IIBangalore-560100Ph: (080) 41113000Fax: (080) 28528469/552

HO:GE India Industrial Pvt. Ltd.The Millenia, Level-6, Tower B1 & 2, Murphy Road, UlsoorBangalore-560008Ph: (080) 41434000Fax: (080) 41434199Email: query@ge.com

Toll Free No:18001024343

Customer Care:gecustomer.care@ge.com

We are committed to continuous development and improvement of our products and the specifications aresubject to change without notice. For product availability and latest prices, please contact GE Sales Team.

For any further information, visit us at http://www.geindustrial.com

g and General Electric are registered trade marks of General Electric Co. USA©

Ahmedabad

GE India Industrial Pvt. Ltd.405-406, Kirtiman ComplexKinariwala House, Behind CitibankOff C.G. Road, Ahmedabad-380006Ph: (079) 65427385/55427389Fax: (079) 26460637

Pune

GE Money Financial Services LimitedShop No. 405-410, 4th FloorCity Point, Dhole Patil RoadPune-411001Mob: +91 9850867507

Cochin

GE India Industrial Pvt. Ltd.Mayur Business Center & MotelChittur Road, Pullepadi JunctionCochin-682035Ph: (0484) 2364139Fax: (0484) 4031400

Hyderabad

GE India Industrial Pvt. Ltd.5-2-45, Hyderbasti, RP RoadNear Gujarati High SchoolSecunderabad-500003Ph: (040) 27543162, 66311264Fax: (040) 66339272

1107

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