Basic specification of transformers our product range up to 20MVA 66KV class

Rating: KVA

50KVA, 63KVA, 100KVA, 160KVA, 200KVA, 250KVA, 315KVA, 400KVA, 500KVA,
630KVA, 750KVA, 800KVA, 1000KVA, 1250KVA, 1500KVA, 1650KVA,
2000KVA, 2500KVA, 3000KVA, 3150KVA, 3500KVA, 3750KVA


4MVA, 5MVA, 7.5MVA, 8MVA, 10MVA, 12.5MVA, 15MVA, 20MVA

Duty : Continuous Indoor or Outdoor
HV (KV) : 66KV, 33KV, 22KV, 11KV,6.6KV
LV (KV) : 0.400KV, 0.415KV, 0.433KV, 6.6KV,11KV,
22KV, 33KV
Phases : 3 or 1
Frequency : 50 Hz
Standard : IS 2026/IEC-76
Connection : Delta-Star,Star-Star,Star-Delta
Vector Group : Dyn11, Yd11, YY0, Ynd1, Dy5 etc
Cooling : ONAN
Temp.RISE OF Oil/Winding : 35˚C/ 40˚C, 40˚C/ 45˚C,
45˚C/ 50˚C, 50˚C/ 55˚C
Tapping on HV : +/- 1.25%,+/- 2.5%,+/-5%
In 5 or 7or9or17 steps
HV Variation Tap Switch : Off Load/On Load
Color Shades : Sheds 631/632/Light Grey/Dark Grey/Enamel
Temp.RISE OF Oil/Winding : 35˚C/ 40˚C, 40˚C/ 45˚C,
45˚C/ 50˚C, 50˚C/ 55˚C
HV Terminal : Bare Bushing or Cable Box
LV Terminal : Bare Bushing or Cable Box


Standard Fittings:
Conservator with plain Oil Gauge, Oil filling hole with cover, Drain plug, Silica Gel
Breather, Thermometer pocket for OTI & WTI, Rating & diagram plate, One Drain
Valve, One Filter valve, Lifting Arrangement for Top Cover & Job, Two Earthling
Terminal, Four Plain Uni-Directional Rollers, Explosion Vent, Air Release Plug.

Additional Fittings above 1000KVA :
Oil Temperature Indicator, Winding Temperature Indicator, MOG, Buchholz Relay,
AVR, OSR, Marshaling Box, Skid Base, Jacking pad, Inspection Windows


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