distribution

Features and Specifications

Inverter or solar transformers play a crucial role in renewable energy systems by converting variable power from solar panels or inverters into stable electricity that can be used in the grid or off-grid applications. They are designed to handle fluctuating loads and provide high efficiency for sustainable power generation. With compact designs and specialized insulation, these transformers are reliable for solar farms, rooftop solar systems, and other clean energy projects.

  • 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)