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Japan

11F, Akasaka Park Bldg.,5-2-20, Akasaka, Minato-ku

Tokyo 107-6111

T : +81 3 3588 5288

F : +81 3 3585 3010

North Asia

Korea

22, Daewangpangyo-ro 712 beon-gil, Bundang-gu, 

Seongnam-si, Gyeonggi-do, 463-400, Korea

T: +82-31-620-6000

F: +82-31-620-7070

Malaysia

Level 6, 1 Sentral, Jalan Travers, Kuala Lumpur Sentral

Kuala Lumpur, Malaysia 50470

T : +603 2273 9788

F : +603 2273 7988

Thailand

25th floor, CRC Tower, All Seasons Place, 87/2 Wireless 

Road, Lumpini, Pathumwan, Bangkok 10330

T : +66 2 648 0240

F : +66 2 648 0200

Indonesia

BRI II Tower, 27th floor, Jl. Jend. Sudirman No. 44-46

Jakarta 10210

T: +62 21 573 0430

F: +62 21 574 7089

Singapore

240 Tanjong Pagar Road, #06-00 GE Tower

Singapore 088540

T : +65 6326 3718

F : +65 6326 3015

Philippines

8F Net Cube Building, 30th Street, Corner 3rd Avenue, 

Crescent West Park, Global City Taguig 1634

T : +63 2 877 7000

F : +63 2 846 0629

Vietnam

Saigon Centre, Unit 1, Floor 7, Le Loi Boulevard, District 1

HoChiMinh City

T : +84 8 3914 6700

F : +84 8 3827 8229

South East Asia

Australia

125-127 Long Street, Smithfield, Sydney, NSW 2164

T : +61 2 8788 6911

F : +61 2 8788 7224

Australia & New Zealand

New Zealand

Level 1, 8 Tangihua Street, Auckland, North Island

T : +64 9 353 6706

F : +64 9 353 6707

India

Polt No. 42/1 & 45/14, Electronic City-Phase II

Bangalore-560100

T: (080) 41434000

F: (080) 41434199

India

Shanghai

4F, Building 2, CTP, No.1 Hua Tuo Rd. Zhang Jiang Hi-Tech 

Park, Shanghai, China 201203

T : +86 21 3877 7888

F : +86 21 3877 7600

Taiwan

6F, No. 8, Min Sheng E. Rd., Sec. 3, Taipei 10480

T : +886 2 2183 7000

F : +886 2 2516 6829

Greater China

Spain

P.I. Clot del Tufau, s/n, E-08295 Sant Vicenç de Castellet

T: +34 900 993 625

Belgium

Nieuwevaart 51, B-9000 Gent

T: +32 (0)9 265 21 11

Finland

Kuortaneenkatu 2, FI-00510 Helsinki

T: +358 (0)10 394 3760

France

Paris Nord 2, 13, rue de la Perdrix

F-95958 Roissy CDG Cédex

T: +33 (0)800 912 816

Poland

Ul. Odrowaza 15, 03-310 Warszawa

T: +48 22 519 76 00

and

Ul. Leszczyńska 6, Bielsko-Biała 43-300

T: +48 33 828 62 33

Europe & Middle East

Italy

Centro Direzionale Colleoni

Via Paracelso 16, Palazzo Andromeda B1 

I-20864 Agrate Brianza (MB)

T: +39 039 637 3701

Netherlands

Parallelweg 10, Nl-7482 CA Haaksbergen

T: +31 (0)53 573 03 03

Germany

Robert-Bosch Str. 2a, 50354 Hürth-Efferen

T: +49 (0) 2233/ 9719-0

Portugal

Rua Camilo Castelo Branco, 805, Apartado 2770

4401-601 Vila Nova de Gaia

T: +351 22 374 60 00

Hungary

Vaci ut 81-83. H-1139 Budapest

T: +36 1 447 6050

Russia

27/8, Electrozavodskaya street, Moscow, 107023

T: +7 495 937 11 11

South Africa

Unit 4, 130 Gazelle Avenue, Corporate Park Midrand 1685

P.O. Box 76672 Wendywood 2144

T: +27 11 238 3000

United Arab Emirates

Injaz Building, 3rd Floor

Dubai Internet City, PO Box 11549, Dubai

T: +971 4 4546912

United Kingdom

2 The Arena, Downshire Way

Bracknell, Berkshire

RG12 1PU

T: +44 (0) 800 587 1239

Latin America

790 N.W. 107th Avenue, Suite 200, Miami, Fl 33172 USA

T: +1 305 551 5155

Chile

Vespucio Norte, Avenida Presidente Eduardo Frei

Montalva 6001, Edificio N° 66

Comuna: Conchalí, Sector el Cortijo, Santiago

T: (56 2) 928-4700

Latin America

Brazil

Av. María Coelho Aguiar, 215, Bloco C - 6.Andar

Jd.São Luiz, 05804-900, São Paulo

T: +55 11 36141900

Mexico

Av. Churubusco 3900 Nte, Col. Industrial Benito Juárez

Monterrey, N.L. 64517

T: (01-800) 800-1968

USA

41 Woodford Avenue, Plainville CT, USA 06062

and

12305 Kurland Drive, Houston, TX USA 77034

T: +1 800-431-7867

North America

Shanghai GE Guangdian Co., Ltd

No.3, Lane 123, East Huancheng Rd, 

Fengxian District, Shanghai, China 201401

T : +86 21 6710 1888

F : +86 21 6710 1901

Printing Code: GE/PV2/MU/2013/01

Summary of Contents for SecoGear

Page 1: ...24kV 27kV Air Insulation Switchgear User Manual Gear GE Industrial Solutions...

Page 2: ...nce to internal arc faults Optional Keylock Optional Padlock Optional Typical Modules Figures 3 1 Enclosure and Partitioning Figure 3 2 Switchgear Structure Cable Connections Operations and trouble sh...

Page 3: ...eplacement of the main busbar Inspection and replacement of the xed contact and spout bushing Inspection and replacement of the shutter mechanism Replacing the earthing switch Replacing the current tr...

Page 4: ...arning symbol Make sure that the speci ed data are not exceeded under switchgear or switchboard operating conditions Keep the instruction manual accessible to all personnel involved in installation op...

Page 5: ...ration and maintenance of SecoGear air insulated switchgear These instructions are also used as references for personnel to carry on regularly maintenance of the switchgear Standard and Speci cation S...

Page 6: ...to account Increased ambient temperatures must be compensated for in the design of the busbar and the branch conductors as well as the withdrawable parts otherwise the current carrying capacity will b...

Page 7: ...yethylene sheeting o Transport drying agent bags included o Moisture indicator included Observe the directions for use of the drying agent bags Note the following o Drying agent color observed blue in...

Page 8: ...uences Panels with basic packing or without packing A dry well ventilated storeroom with a climate in accordance with IEC62271 1 2007 Store the panels upright Do not stack panels Panels with basic pac...

Page 9: ...asuring length of 1m Straightness tolerance 1mm per 1m but not more than 3mm over entire length of frame Cross section view of switchgear room layout plan view Switch room cable duct arrangement Side...

Page 10: ...3 Rated voltage kV 24 27 Rated power frequency withstand voltage kV 50 65 Rated lightning impulse withstand voltage kVp 125 125 Rated frequency Hz 50 60 Rated current A 1250 2500 Rated short circuit...

Page 11: ...ear side direction if an internal arc fault occurs in an a ected compartment The pressure relief protects damage to switchgear components and the risk of injury to personnel which may endanger an oper...

Page 12: ...when the earthing switch in open position Figure Functional truck racking in lock Figure 2 5 Earthing switch in open position Figure 2 6 Earthing switch in close position Key lock is locked key is fr...

Page 13: ...reaker Racking in out operation can be done only when lock cover is in the open position Figure 2 9 Padlock for Circuit breaker racking in out operation Padlock for earthing switch operation Padlock f...

Page 14: ...nternal overpressure the plastic screws are the point of rupture caused by arc conditions The top mounted pressure relief aps on the enclosure are made from mesh metal All compartments are accessible...

Page 15: ...ct spouse 7 Primary disconnect 8 Current transformer 9 Earthing switch 10 Rear door interlock 11 Bottom plate 12 Partition between breaker compartment and busbar compartment 13 Terminal block 14 Contr...

Page 16: ...itchgear 13 Figure 3 5 Busbar tie panel 1250 2500A Figure 3 6 Riser panel 1250 2500A Figure 3 7 Measuring panel 1250 2500A Figure 3 8 VT Panel 2500A SCALE 1 000 1 0 A B C A B C SCALE 1 000 1 0 95 5 76...

Page 17: ...Figure 3 11 CPT panel 2500A Figure 3 12 Typical dimensions and Weights of SecoGear including withdrawable circuit breaker parts Description Dimension in mm 27kV Height A 2400 Width Rated current of b...

Page 18: ...and tted with HRC fuses The earthing switch can be operated manually with position indication by mechanical indicator on the driveshaft and auxiliary switch Three lightning arrestors optional can be...

Page 19: ...commissioning Warning a Comply with all relevant safety regulations b Maintain circuit breakers in disconnection position c Remove earth wires and short wires of the hazardous areas d Pay attention to...

Page 20: ...he breaker compartment c Move the transfer truck to the front of the switchgear turn the adjusting nut to adjust the height of the transfer truck platform See gure 4 2 Aim the guiding pin at the guidi...

Page 21: ...n g Take o the racking crank The racking operation is now complete Warning The truck is not allowed to be placed in any intermediate position between disconnect test position and operating position Mo...

Page 22: ...nsure the earthing switch is fully open Interlocking of the switchgear The circuit breaker can be closed only when fully engaged in the test or service position The control plug can be released when t...

Page 23: ...Interlock 4 Undercarriage and ES Interlock 5 Front Operation shaft 6 Back Break 7 Back Interlock Shaft 8 Back Door Interlock SEQUENCE OF EARTHING SWITCH OPERATION Closing the earthing switch Press the...

Page 24: ...y the inspection of some equipment components such as wearable parts and the maintenance intervals maintenance period depend on the running time operating frequency and the number of short circuit cyc...

Page 25: ...e limit where the mechanical OPEN indication stays exactly below the operating hole The cable compartment door can not be closed opened The earthing switch is not completely opened Open the earthing s...

Page 26: ...ust be shutdown before scheduled switchgear service and the work area must be isolated Measures must be taken to disallow the power being switched on Ensure proper earthing and padlocks in place Speci...

Page 27: ...f sparking or wear and tear Check the shutter mechanism in the circuit breaker compartment Check the interlocking between the circuit breaker and the earthing switch Check the bolted connection betwee...

Page 28: ...y and secondary cables Check the heater condition Check the breaker and cable compartment for unexpected objects Check the secondary connections of the CTs Check the current terminals in the low volta...

Page 29: ...shutter mechanism and insert two M8 bolts into the overlapping holes on the shafts See gure 6 2 Then the xed contact along with the spout bushing are visible Figure 6 2 shutter mechanism Inspect the c...

Page 30: ...ng switch includes changing the earthing switch along with labels for ON and OFF position the driving mechanism including driving gear assembly and drive rod The steps for replacement are as follows F...

Page 31: ...the xing bracket see gure 6 6 and then remove drive rod of the rear door interlock from rear door then draw out the drive rod backward Unscrew both of the bolts on the bevel gear See gure 6 7 Fixed sc...

Page 32: ...ve the 6 pcs of M8 bolts on the mounting plate of the current transformer Figure 6 11 Mounting plate of the current transformer Support the mounting plate of the current transformer and then put on th...

Page 33: ...If the display Lock on the potential indicator is ashing and an abnormal sound from the relay is continuously heard there may be two reasons that can cause this problem First there may be a problem wi...

Page 34: ...should be connected before doing the routine tests and installation of the Switchgear in the field As the grading ring is casted into the wall bushing the wall bushing and the main busbar should be c...

Page 35: ...ollows Con rm the equipment be powered o and make sure to follow proper safety measures One side of conductor is connected with wall bushing by using one screw M5X8 and a at washer required torque is...

Page 36: ...T 32 0 9 265 21 11 Finland Kuortaneenkatu 2 FI 00510 Helsinki T 358 0 10 394 3760 France Paris Nord 2 13 rue de la Perdrix F 95958 Roissy CDG C dex T 33 0 800 912 816 Poland Ul Odrowaza 15 03 310 War...

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