🔍
0 like 0 dislike

1 Answer

Impedance relays are used for phase faults on long line.

0 like 0 dislike

Related questions


Answer : The inverse definite mean time relays are used for over current and earth fault protection of transformer against internal short-circuits. ...

View solution
0 like 0 dislike
1 answer


Answer : The single phasing relays are used for the protection of three phase motors. ...

View solution
0 like 0 dislike
1 answer

IDMT relays are used to protect the transformer against :  (A) Internal short -circuits (B) Open circuits (C) External short circuits (D) Oil leakage
Answer : IDMT relays are used to protect the transformer against : External short circuits ...

View solution
0 like 0 dislike
1 answer

For a 500 Hz frequency excitation, a 50 km long power line will be modeled as
Answer : For a 500 Hz frequency excitation, a 50 km long power line will be modeled as long line ...

View solution
0 like 0 dislike
1 answer

what is mean by long transmission line ?
Answer : The transmission line which have length more than 250 km are known as long transmission lines. ...

View solution
1 like 0 dislike
1 answer

50.5k questions

47.1k answers

240 comments

7.0k users