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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
MVA:
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
/Epoxy |
| 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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