How to select the rating of a CT used for REF protection. The rating can be of

How to select the rating of a CT used for REF protection.
The rating can be of equal rating of Phase current or
neutral current rating

Question Posted / rambabu

Answers were Sorted based on User's Feedback

How to select the rating of a CT used for REF protection. The rating can be of equal rating of Pha..

Answer / sathya

yes.both ct's must have same rating.

Is This Answer Correct ?

4 Yes

1 No

How to select the rating of a CT used for REF protection. The rating can be of equal rating of Pha..

Answer / hemant

yes tht answer is correct

Is This Answer Correct ?

1 Yes

1 No

More Electrical Engineering Interview Questions

how can we calculate the ratio of caustic soda and water in lrs.

Why we are testing a tan delta test in transformer? which purpose conduting that test? and time priode test?

what is tha gap between the pole of 132kv line

what is the use of vcb & isolator in substation?

Why DC exitation to AC Generator? Why not AC?

What is the difference between power cable and signal cable (only Observation Difference)?

if two heater of rating 1KW,200v are connected in series 100v supply what will be the power taken

What is difference between isolator and circuit breaker?

what is effect of unbalaced load -- say R 15A, Y 25A, B 10A

Resistance of a conductor in a close electrical ckt is practically zero why?

what is the voltage and ampere rating of all range of HT conductor?

What is meant by Creepage Distance in Insulators?

For more Electrical Engineering Interview Questions Click Here