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Transformer Fittings And Accessories
Oil conservator with drain plug and oil filling hole
Oil level indicator
Drain valve with plug
Filter valve with plug
Air release vent
Explosion vent
Lifting lugs
Unidirectional rollers
Body earthing terminals
Outdoor type H. V. Bushing
L.T. cable box
Separate neutral earthing bushing
Offload tap changing switch
Thermometer pocket
Silica gel breather
Rating and diagram plate
Optional fittings provided with oil-cooled transformers include:
H.T. cable box
Dial thermometer
Buchholz relay
Bi-directional rollers
Jacking pads
Magnetic oil level gauge
Marshaling box
POWER TRANSMISSION TRANSFORMERS TYPES
Power Transformers
Rated power: from ≤ 100 MVA to > 400 MVA
Application areas: power generation, power transmission, industry, infrastructure
Features: Available in special low noise version, designed to be highly efficient with “green” transformer options
Reactors
Rated power: from ≤ 10 MVA to > 400 MVA
Application area: power transmission
Features: Available in special low noise version, designed to be highly efficient with “green” transformer options
Industrial plugs and socket
Range of industrial plugs and sockets into four groups:
Easy & Safe are high-quality products for basic applications.
Tough & Safe are products for demanding applications and environments.
Critical & Safe are sockets with additional safety functions.
Fast & Safe are industrial plugs, connectors, inlets, and socket-outlets with screwless terminal connectors
Standard Electrical Equipment Makes
Sr. No. | Item | IS No. | Makes |
1 | Transformer | IS: 2026/1977 | Crompton Greaves, NGEF, Kirloskar, BHEL, Andrewyule, Bharat Bijlee, Alsthom, ABB, Voltamp, Siemens, GEC, Voltas, TELK |
2 | 11 kV/HT Vacuum Circuit Breaker, SF-6/11kV gas-filled Circuit Breaker | IS: 3427 for VCB | GEC, Siemens, Andrew yule, Crompton Greave, Alsthom(Areva), Jyoti, ABB, BHEL, Alind, L&T, Schneider, Biecco Lawrie. |
3 | ACB(11kV) | IS: 13118/1991 | Siemens, L&T, Crompton Greave, Schneider, Jyoti, GEC, MEI, ABB, Merlin Gerin, Moeller, Biecco Lawrie. |
IS: 13947/1993 | |||
4 | PSS/CSS with HT/LT switchgear, transformer, and connected accessories | IS:11171/85 for dry-type transformer | ABB, Siemens, L&T, Crompton Greave, BHEL, GEC, Kirloskar, Alsthom(Areva), Schneider |
5 | MCCBs, MCBs, ELCBS, RCCBs, DB, ICTPN, TP, HRC fuse, Changing over switch, Switch Fuse Unit | IS: 8828/96 for MCB | L&T, Crompton Greave, Siemens, Legrand, Jyoti, GEC, Andrew yule, BCH, Schneider, ABB, Moeller, Merlin Gerin |
IS: 13947(Part-1&5/Sec1)/93for MCCB | |||
IS: 12640(Part-1)/2000 for RCCB | |||
IS: 13703(Part-2/Sec1)/93 for HRC fuse | |||
IS: 13947(Part-3)/93 for SFU | |||
6 | XLPE Cable 11/33kV grade | IS:7098(Part-2)/1985 | Asian, NICCO, Universal, CCI, Torrent, Fort Gloster, INCAB, Industrial Cable, Polycab |
7 | PVC/XLPE Power Cables up to 1.1kV grade | IS: 694/1990 for PVC cable | CCI, Universal Cable, Polycab, NICCO, Torrent, Asian, Fort Gloster, Finolex, Incab, Industrial Cable |
IS: 1554(Part1)/1988 for heavy-duty PVC cable | |||
IS:7098(Part-1)/1988 for XLPE cable | |||
8 | Instrument Voltmeter, Ammeter, PF meter | IS:1248 for Analog | Automatic Electric, Meco, Industrial Meter, Motwani, Toshniwal, L&T, Siemens, Rishab, IMP, Shanti, Moeller(HPL). |
9 | 11kV Cable End Termination & Jointing kits | IS: 13573/92 | Raychem, M-Seal, Safe system, Xicon brand of CCI, Hari consolidated(Cable seal brand), Densons(Yamuna) |
10 | Relays | IS: 3231/65 | Siemens, L&T, Alsthom, EA SUN REY Roll, ABB, BHEL, Jyoti, Alind, GE, BCH, Minilec, Enercon |
11 | Luminaries, MH, HPSV, T-5 fittings, CFL & related accessories | IS: 9974(Part-1)/83 for HPSV | Phillips, Crompton, Bajaj, GE, Osram, Wipro. |
IS:10322(Part-5), 10322(Part2&3)/84 for Luminaries | |||
IS:15111 for CFL | |||
12 | PVC insulated Elect. Wires Sheathed/ unsheathed, PVC flexible LT cable, multicore, single-core, Flat cable for submersible pumps | IS: 694/1990 for PVC cable | Finolex, Asian, Fort Gloster, CCI, NICCO, Universal, In-cab, Torrent, Uniflex, RPG, Polycab, ICL, Unistar |
13 | Current Transformer | IS: 2705(Part3)/92 | Automatic Electric, CGL, C&S, MECO, KAPPA, Siemens, L&T, Schneider |
14 | On line UPS, Servo Stabilizer, Inverter, CVT | IS:13314/92 for Inverter | AEI, BHEL, Hind Rectifier, L&T, NGEF, Siemens, Hi-rel, Autometer, Enertech, Pyramid, APC, Dubas, Luminous, Microtech, TATA Libert |
IS:11260/85 for voltage Stabilizer | |||
15 | Rotary Switches. Selector Switches | Relevant IS | Kaycee, L&T, Salzer, GE, ABB, C&S, Siemens, HPL, Moeller |
16 | Exhaust fan/Air Circulator/ Bracket & Pedestal fans/Ceiling fan | IS: 374/79 for ceiling fan | Crompton, Khaitan, GEC, Usha, Philips, Bajaj, Polar, Orient, Almonard. |
IS: 2312/63 for Exhaust fan | |||
IS:875(Part3), BSTN-10025/1993, CPE III TRT/1996 of ILE UK. | |||
Octagonal Pole | |||
S355JO. | |||
Galvanization | |||
IS: 2629 | |||
BSEN ISO-1461 | |||
18 | Electronic Energy Meter | IS:13779/1999 | L&T, IMP, HPL, Secure, ABB, Enercon, |
IEC:62053-21 | |||
19 | Central Air Conditioning Plants & Package type plant | IS:8148 for the package type. | Voltas, Blue Star, Sidwell, Fedder Lloyd, Videocon, Amtrex, Carrier, Frick, Shriram, Hitachi, O General, Mitsubishi |
IS:1391 for Room Air Conditioners. | |||
20 | Capacitors- PF correction for Electrical General Services | IS:13340/93 | ABB, BHEL, Indian Capacitors, Khatau Junker, Shreem, Unistar, WS Insulators, L&T, Hind Rectifier, Voltas, Siemens, Schneider, Indian Condenser, EPCOS |
IS:13341/92 | |||
21 | DG Sets- Portable | IS: 13364(Part-1)/92 for Alternator | Birla Yamaha, CGL, Shriram Honda |
IS:1001/91 for Diesel Engine | |||
22 | DG Engine | IS:13364 | Cummins, Kirloskar, Caterpillar, Ashok Leyland, Penta-Volvo |
23 | Alternator for DG set | IS:4722/2001 | KEC, CGL, Stamford, Leroy-Somer, Kirloskar-Green |
IS:4728/1975 | |||
24 | Induction Motor | IS:235/96 | Bharat Bijlee, BHEL, CGL, GE, Jyoti, Kirloskar, Siemens, ABB, NGEF, Alsthom |
IS:12615/2004 | |||
25 | LT Switchgear & control gears- Contactors & motor starters, Energy-Efficient Soft Starter panel/ Earthing Switch, Single phase preventer | IS:13947(Part1)/1993 | ABB, CGL, Jyoti, L&T, MEI, NGEF, Siemens, Telemecanique & control (India) (TC), Legrand(MDS), BCH, Standard, GEC, BHEL, Minilec, Enercon, Andrewyule, C&S, N.N. Planner, Power Boss, Schneider. |
IS:13947(Part4)/1993 | |||
26 | Pumps- Submersible | IS: 8034/2002 for submersible pump sets IS: 9283/1995 for motors of submersible pump sets | Calama, CGL, Jyoti, Kirloskar, KSB, TEXMO, SABAR |
IS: 14220/1994 for open well submersible pump sets | |||
27 | Timers- electronic solid-state | Relevant IS | ABB, BHEL, GE, Jyoti, L&T, BCH, Siemens, Minilec, Legrand |
28 | Water Coolers | IS: 1475/2001 | Blue Star, Fedders, Kelvinator, Shriram, Sidwell, Voltas |
29 | Electrical accessories (Piano switch, Plugs & sockets, ceiling rose, Angle holder, holders,) | IS: 3854/88 for switches | SSK(Topline), Anchor(Penta-ornet), Precision(Prime), Vinay(Clair-30), CONA(Nice-Indian), Leader, Legrand, ABB |
IS: 1293/88 for plugs& sockets | |||
IS: 371/79 for ceiling rose | |||
IS: 1258/79 for lamp holder bakelite | |||
30 | Bell Buzzer | IS:2268/1988 or latest | CONA, MAX, Anchor, Leader, SSK |
31 | Electronic fan regulator | IS:11037/1984 | Anchor, Usha, ERIK, Rider |
32 | Solar cell/Module system | Relevant IS | TATA BP, BEL, BHEL, REIL, MOSER BEAR, CEL, Sharp Business Systems (India) Ltd. |
33 | Solar Lighting system | Relevant IS | DGS&D approved vendors on RC |
34 | GI/MS Pipe | IS: 1239(Part-1)/90 | TATA, Jindal, TT Swastik, Prakash Surya |
35 | Geysers | IS:2082/93 | Bajaj, Usha, Crompton, Spherehot, Recold, Venus. |
36 | Lifts & Escalators | IS:14665/2000 | OTIS, Thysson Krup, Shindler, KONE, Mitsubhisi. |
37 | LEDs | Relevant IS | BHEL, Indo Asian Fusegear Ltd., Switch control (India), Siemens, GE, ABB, L&T, Moeller. |
38 | Solar Water Heaters | Relevant IS | As per MNES approved sources. |
39 | Solar Distilled Water Plants | Relevant IS | Makes can be approved on the recommendation of divisions. |
41 | Air Cooling Plants | Relevant IS for its concern equipment | Voltas, Blue Star, Carrier |
42 | Battery Charger for other than battery room for Train Lighting | IS:2026 | Hind Rectifier, Usha Rectifier, Suresh Electrical, Pyramid, Automatic Electric, Delta Elect., Trinity Elect., Universal Ind. Products, Venus Engg., RS Power. |
IS:3895 | |||
43 | Battery Charger for the battery room | As per RDSO specification having a re-generation facility | Amar Raja, Exide, RS Power |
44 | PVC Conduit Pipe & Casing capping for electrical wiring | IS:9537/93 | Precision, A.K.G., Polycab, Finolex, Prestoplast |
45 | Aluminum Ladders | IS:4571/1977 | Sumer, Beatfire |
46 | LT Panels | As per Relevant IEC | From CPRI tested firms. |
47 | Air Curtain | Relevant IS | Aircon, ALMONARD, Technocrate, Thermadyne, Mitzwak |
48 | Lighting Arrestor | IS:5621/1980 with latest amendment/ revision (specification for hollow insulators for use in electrical equipment) | (a) Jayshree Make – JSI (b) WSI (c) Shesashayee (d) BHEL (e) Luster Ceramics (f) Shakti make (g) Oblum make. Any other make approved by the PGVCL/GUVNL. Creepage Distance: 11KV – 320 mm. 22KV – 600 mm. |
49 | Power transformer | BHEL, Bharat Bijlee, EMCO, Kanohar | |
50 | 66KV Circuit Breaker | ABB, Siemens, AREVA | |
51 | 66KV Isolator | ABB, AREVA. | |
52 | 66KV Current Transformer | ABB, CGL, BHEL, TELK | |
53 | 66KV CVT | ABB, TELK, CGL, BHEL | |
54 | 66KV LA | ABB, CGL | |
55 | Control and Relay Panel | ABB, AREVA, Siemens | |
56 | 1.1KV Grade control and power Cable | Universal, KEI, GEMSCAB, Polycab, Paramount, CCI, Torrent, Krishna, HVPL | |
57 | Batteries | Exide, Amco, Amaraja, HBL nife | |
58 | Battery Charger | Chhabi, HBL, Caldyne, Masstech, DUBAS, Statcon | |
59 | Station Transformer Transformer | CGL, Kotson, Voltamp, Kanohar, EMCO, AREVA, | |
60 | Fire Protection system | Vijay, Unitech, Technofab, Mather & Platt, Steelage. | |
61 | 11KV switchgear | ABB, AREVA, Siemens | |
Sub Station Short Circuit Current Capacity
As per GERC | ||
Voltage | Sub Station Capacity | Short Circuit Current |
400 KV | Up to 1000 MVA | 40 KA (1 to 3 Sec) |
220 KV | Up to 320 MVA | 40 KA (1 to 3 Sec) |
132 KV | Up to 150 MVA | 32 KA (1 to 3 Sec) |
66 KV | Up to 80 MVA | 25 KA (1 to 3 Sec) |
33 KV | 1.5 MVA to 5 MVA | 35 KA (Urban) (1 to 3 Sec) |
11 KV | 150 KVA to 1.5 MVA | 25 KA (Rural) (1 to 3 Sec) |
415 V | 6 KVA to 150 KVA | 10 KA (1 to 3 Sec) |
220 V | Up to 6 KVA | 6 KA (1 to 3 Sec) |
Sub Station Capacity & Short Circuit Current Capacity:
As per Central Electricity Authority | ||
Voltage | Sub Station Capacity | Short Circuit Current |
765 KV | 4500 MVA | 31.5 KA for 1 Sec |
400 KV | 1500 MVA | 31.5 KA for 1 Sec |
220 KV | 500 MVA | 40 KA for 1 Sec |
110/132 KV | 150 MVA | 40 KA or 50 KA for 1 Sec |
66 KV | 75 MVA | 40 KA or 50 KA for 1 Sec |
Fire Extinguishers
Class of Fire | ||
CLASS | Type of Fire | Type of Fire Extinguisher |
Class A | Fires involving Paper, Wood, Textile, Packing materials and the like. | Water, foam, ABC dry power and halocarbons. |
Class B | Fires involving Oil, Petrol, Solvent, Grease, Paints, Celluloid and the like. | Foam, dry powder, clean agent and carbon dioxide extinguishers |
Class C | Fires involving Electrical Hazards, Motor Vehicle Gaseous substance under pressure. | Dry powder, clean agent and carbon dioxide extinguishers |
Class D | Fires involving Chemicals, Metal and active like Magnesium ,titanium | Extinguishers with special dry powder for metal tires |
Area covered by Fire Extinguisher (NBC) | |
Type of Fire Extinguishers | Coverage (Floor) Area |
Water/ Sand Bucket | 100 sq.mt. |
Sprinklers | 6 sq.mt. |
Extinguishers (9 Liter) | 600 sq.mt. |
Heat Detectors | 16 sq.mt. |
Hydrant Riser (Outlet 100 mm dia with landing valve and First aid hose reel) | 930 sq.mt |
Smoke Detectors | 50 sq.mt. |
Different Types of Fire Extinguishers for Different Classes of Fires ( IS 2190 ) | |||||
Type of Extinguisher | IS | Type of Fires | |||
Class A | Class B | Class C | Class D | ||
water type (gas cartridge) | IS 940 , IS 13385 | S | NS | NS | NS |
water type (stored pressure) | IS 6234 | S | NS | NS | NS |
mechanical foam type (gas cartridge) | IS 10204, IS 13386 | S | S | NS | NS |
mechanical foam type (stored pressure) | IS 14951,IS 15397 | S | S | NS | NS |
dry powder type (stored pressure) | IS 13849 | S | S | S | NS |
dry powder type (gas cartridge) | IS 2171 , IS 10658 | S | S | S | NS |
dry powder type for metal fires | IS 11833 | NS | NS | NS | S |
carbon dioxide type | IS 2878, IS 8149 | NS | S | S | NS |
clean agent gas type | IS 15683 | S | S | S | NS |
halon 1211 type | IS 4862 , IS 11108 | S | S | S | NS |
Area covered by Fire Extinguisher (NBC) | |
Type of Fire Extinguishers | Coverage (Floor) Area |
Water/ Sand Bucket | 100 sq.mt. |
Sprinklers | 6 sq.mt. |
Extinguishers (9 Liter) | 600 sq.mt. |
Heat Detectors | 16 sq.mt. |
Hydrant Riser (Outlet 100 mm dia with landing valve and First aid hose reel) | 930 sq.mt |
Smoke Detectors | 50 sq.mt. |
Different Types of Fire Extinguishers for Different Classes of Fires ( IS 2190 ) | |||||
Type of Extinguisher | IS | Type of Fires | |||
Class A | Class B | Class C | Class D | ||
water type (gas cartridge) | IS 940 , IS 13385 | S | NS | NS | NS |
water type (stored pressure) | IS 6234 | S | NS | NS | NS |
mechanical foam type (gas cartridge) | IS 10204, IS 13386 | S | S | NS | NS |
mechanical foam type (stored pressure) | IS 14951,IS 15397 | S | S | NS | NS |
dry powder type (stored pressure) | IS 13849 | S | S | S | NS |
dry powder type (gas cartridge) | IS 2171 , IS 10658 | S | S | S | NS |
dry powder type for metal fires | IS 11833 | NS | NS | NS | S |
carbon dioxide type | IS 2878, IS 8149 | NS | S | S | NS |
clean agent gas type | IS 15683 | S | S | S | NS |
halon 1211 type | IS 4862 , IS 11108 | S | S | S | NS |
Area covered by Fire Extinguisher (NBC) | |
Type of Fire Extinguishers | Coverage (Floor) Area |
Water/ Sand Bucket | 100 sq.mt. |
Sprinklers | 6 sq.mt. |
Extinguishers (9 Liter) | 600 sq.mt. |
Heat Detectors | 16 sq.mt. |
Hydrant Riser (Outlet 100 mm dia with landing valve and First aid hose reel) | 930 sq.mt |
Smoke Detectors | 50 sq.mt. |
Different Types of Fire Extinguishers for Different Classes of Fires ( IS 2190 ) | |||||
Type of Extinguisher | IS | Type of Fires | |||
Class A | Class B | Class C | Class D | ||
water type (gas cartridge) | IS 940 , IS 13385 | S | NS | NS | NS |
water type (stored pressure) | IS 6234 | S | NS | NS | NS |
mechanical foam type (gas cartridge) | IS 10204, IS 13386 | S | S | NS | NS |
mechanical foam type (stored pressure) | IS 14951,IS 15397 | S | S | NS | NS |
dry powder type (stored pressure) | IS 13849 | S | S | S | NS |
dry powder type (gas cartridge) | IS 2171 , IS 10658 | S | S | S | NS |
dry powder type for metal fires | IS 11833 | NS | NS | NS | S |
carbon dioxide type | IS 2878, IS 8149 | NS | S | S | NS |
clean agent gas type | IS 15683 | S | S | S | NS |
halon 1211 type | IS 4862 , IS 11108 | S | S | S | NS |
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