what is the meaning of the parameters labeled on the surge arrestor like 150/2

what is the meaning of the parameters labeled on the surge
arrestor like 150/20 ???

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what is the meaning of the parameters labeled on the surge arrestor like 150/20 ???..

Answer / minal

150/20 is the rating of voltages indicated on the surge
arrester.
It means that the surge arresters step down the high
voltage of 150 to 20.

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what is the meaning of the parameters labeled on the surge arrestor like 150/20 ???..

Answer / ashish

I Am Not getting u r Question Actually The Surge Arrestor
For Medium & High Voltage Substation is as
Voltage Rating Of LA ( KV )= 0.8* LINE Volgage of the
Substation.

here 0.8 is earthing coefficent factor for solidely
grounded system.....

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0 Yes

2 No

what is the meaning of the parameters labeled on the surge arrestor like 150/20 ???..

Answer / k.p.sharma

It's known as VARIASTER and 150 is supply voltage across it
we can connect and 20 is diameter in mm since Variaster is
in round in shape.

Is This Answer Correct ?

0 Yes

3 No

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