distribution

Features and Specifications

  • Market leader and first manufacturer in India to develop five winding inverter transformers
  • Passed short circuit test
  • Low losses
  • Suitable for solar load profile
Rating Up to 20 MVA
Voltage Class Up to 33 kV
No. of Inverters Up to 6 inverters
Frequency 50/60 Hz
Cooling ONAN/ONAF
Vector Group As required
Winding Material Cu / Al 
Vector Group ZN0, ZNyn1 or ZNyn11
Winding Material   Cu / Al  
Insulation Class A

Technical Specifications

Parameter Value
Designed to withstand voltage excursions due to pulsed mode inverter operation 
Inverter Windings are capable to withstand voltage with rate of rise (dV/dt) upto 500V/µs to ground 
Galvanically isolated winding for each inverter
Electrostatic shield between inverter and MV winding 
Loosely coupled inverter windings
Inverter winding could be star/delta. In case of star winding, neutral not to be grounded
Supply segment Renewable Energy (Solar applications)