State standard voltage in India for the following : (i) Generation Voltage (ii) Primary Transmission Voltage

State standard voltage in India for the following : (i) Generation Voltage (ii) Primary Transmission Voltage
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Answer :

i. Generation Voltage : 3.3KV, 6.6KV,11KV and 17.5 KV 

ii. Primary Transmission voltage :- 220 KV, 400KV, 765 KV (750 KV) 
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