why voltage ratings of xmission are in 11, 33,66kv and why not 11.5 ,16,19 or

why voltage ratings of xmission are in 11, 33,66kv and why
not 11.5 ,16,19 or any other

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why voltage ratings of xmission are in 11, 33,66kv and why not 11.5 ,16,19 or any other..

Answer / sandeep bishla

Due to FORM Factor which is 1.11

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why voltage ratings of xmission are in 11, 33,66kv and why not 11.5 ,16,19 or any other..

Answer / vaijanath nirgude

bcoz rating of transmission line in rms value
& rms value = form factor*average value
form factor = 1.11

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