what is the meaning of the parameters labeled on the surge
arrestor like 150/20 ???
Answers were Sorted based on User's Feedback
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.
Is This Answer Correct ? | 4 Yes | 0 No |
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.....
Is This Answer Correct ? | 0 Yes | 2 No |
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 |
What is DC series motor?
Why use the VCB at High Transmission System ? Why can't use ACB? Pls explain the ans.
what's the thickness of 1.5sqmm wire
what is ATS & RING MAIN UNIT in Distribution System?And its Function.
What is meant by (2 x 185) AYFY cable
what current is taken from a double wound 500kva transformer
Can anyone please give me the parameters , formula needed to calculate the circuit breakers for building services.Thanks
how to mention 5mw generator in kva ? gen voltage is 11kv
Control wiring of a dol starter for forward and backward
What is the Surge suppresor? Why using in a UDB's and How it works?
what is the disadvantage of leading power factor...why can't we use it (pf=0) for a long period of time?
iam preparing for rrb section engineer post in electrical branch.suggest the right textbook for my reference.fromwhere i will get the previous q.papers?