Why we are using LA Rating 10kA in 66 kv substation

Question Posted / jdpatel32@gmail.com

1 Answers
7349 Views
L&T, NMDC, I also Faced
E-Mail Answers

Why we are using LA Rating 10kA in 66 kv substation..

Answer / vivek

LA require very low resistance because lightening is impulse kind of thing and transient time is very low so we need to pass very high current in very low time to ground so rating is done like this....

Is This Answer Correct ?

11 Yes

0 No

Post New Answer

More Electrical Engineering Interview Questions

How to calculate of maximum demand if given 628kw, 785kva, 0.8 p.f.

0 Answers

why are maintine power factor 0.99 in Eb line? why are used capacitor bank in Eb line? what is the purpose capacitor bank?

4 Answers TNEB Tamil Nadu Electricity Board,

1. What is differential relay? How it operates?

3 Answers

What are armoured cables?

2 Answers IOCL,

why on axial hitting up of air blast on hydrogen produced in oil circuit breaker,temperature rises of the core of the arc?

0 Answers

EXPLAIN THE WORKING OF SERIES REACTOR IN HT CAPACITOR BANKS (FOR VOLTAGES & CURRENTS)

1 Answers

Differentiate between real and apparent power?

0 Answers

what is infinite in infinite bus

4 Answers GES,

what is diff btw electric,magnetic & eletromagnetic field

0 Answers Senthil,

What is working principle of ACB and VCB?

9 Answers Greenko, HCC,

What is the possible cause for failure of lightning arrestors in outdoor substation under normal condition

0 Answers

how to calculate the ac and dc wire losses with calculations plz tell me

3 Answers Apollo,

For more Electrical Engineering Interview Questions Click Here