Standard voltage level used in India:
* Generation Voltage : 3.3KV, 6.6KV,11KV and 17.5 KV,21KV (Now a days generation voltage is in the range of 11KV- 33KV)
* Primary Transmission voltage :- 220 KV, 400KV, 765 KV (750 KV)
* Secondary Transmission voltage :- 220 KV, 132 KV, 110 KV, 66 KV
* Primary Distribution voltage :- 33 KV, 22KV, 11 KV and for long distance line it may be 66 KV
* Secondary Distribution voltage: - 3-phase, 400 Volt, for single phase 230 Volt.
OR
* Standard Transmission voltages in India are 765 KV (750KV), 400KV, 220KV, 132KV, 110KV, 66KV, 33KV, 22KV, 11KV.