lightning arrester rating selection procedure: (line to line voltage(kV)/(squ.

lightning arrester rating selection procedure: (line to
line voltage(kV)/(squ.root of 3))*squ.root of 2. now the
question is, IS this above formula correct for both STAR and
DELTA connected system???

Question Posted / kannan.d46

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lightning arrester rating selection procedure: (line to line voltage(kV)/(squ.root of 3))*squ.root..

Answer / k.prakashchandra

Yes.LA is connected between line and earth ,hence it
subjected to only phase voltage.Line voltage(rms)x root 2/
root3 =peak phase voltage.

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