Crompton greaves, a part of the avantha group, and a conglomerate with the global footprint offers 315 mva 400 kv auto transformers. Crompton greaves offers a range of power transformers for various applications conforming to iec, ansi, is, bs and other international standards.315 mva 400 kv auto transformers ranges upto 575 mva, 550 kv class in three phase transformer. In bank of single phase transformer, the range is upto 1500 mva, 550 kv class. Auto transformers are used for inter connecting transmission voltages. It caters to the specific demands of the power & industrial sectors and railways.