Basic specifications of transformers our products range up to 3750 KVA class.

Rating : KVA :

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

Rating : MVA :

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

Duty : Continuous Indoor or Outdoor
HV (KV) : 60 KV, 33 KV, 22 KV, 11 KV, 6.6 KV
LV (KV) : 0.400 KV, 0.4515 KV, 0.433 KV, 6.6 KV, 11 KV, 22 KV, 33 KV.
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/ : 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 or 7 or 9 or 17 steps.
HV Variation Tap Switch : Off Load / On Load
Color Shades : Sheds 631 / 632 Light Grey Dark Grey / Enamel / Epoxy.
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 Earthing Terminal, Four Plain Uni-Directional Rollers, Explosion Vent, Air Release Plug.

Additional Fittings above 1000 KVA

Oil Temperature Indicator, Winding Temperature Indicator, MOG, Buchholz Relay, AVR, OSR, Marshalling Box, Skid Base, Jacking Pad, Inspection Window.

Repairs & Maintenance

At our works we have the capability & more enough experience to repair and fully service of Transformers upto 20 MVA & 33 KV Class.

We have competent and well experienced engineers and technicians to do the independent job of assembly, commissioning maintenance repairing & trouble shooting of Transformers. Our engineers & consultants can re-design the repairing job for better cooling and conversion of Transformers.

We can also make transformer life healthy by over hauling, replacement of entire insulation including conductor covering.

Repairs of  Power & Distribution Transformer upto 20 MVA 66 KV class including changing of winding, insulation and  high quality CRGO core Material to reduce the no losses of the transformer.

• Conversion of vector group
• Voltage ratio cohesion
• Radiator Change, Voltage ratio coversion,
  Off Load to on load tap changer,
• Conversion of cable box to bare bushing & bare bushing to cable box
• Supply & Change of General & Additional Accessories.