Why we are use 11KV / 22KV / 33KV / 66KV / 110KV / 230KV /
440KV this type of ratio. why cant we use other voltage
ratio like 54KV / 99KV et.,
My College Seminar Why We Are Use 11KV / 22KV / 33KV / 66KV / 110KV / 230KV / 440KV This Type Of Ratio. Why Cant We Use Other Voltage Ratio Like 54KV / 99KV Et. Itc