Answer Posted / rvg
ELR is earth leakage relay, and main attraction is its high
current rating, and it can use with CT also(with suitable
calibration).
ELCB are less current capacity ELRs and using ferromagnetic
substances with differential relay.
| Is This Answer Correct ? | 17 Yes | 15 No |
Post New Answer View All Answers
could you measure current in parallel?
What is “pu” in electrical engineering?
What is MSL designation of a motor and same may be provided in details.
what will happen if frequency is below 50 hz?
We have two APFC panels in same station. I need how to connect CT in two APFC panels.can we take one CT in series connection or two separate CTs.
Operation of isolators.
what is meant by impulse voltage?
how to revers the direction of single phase motor
Is it required to do earthing in 2nd shop if earthed armoured cable is laid from 1st shop ?
What happens if we run alternator on under frequency?
Define newton's law of viscosity.
What is the rate of WCT on the Electrical Contracts comprising of DG Sets and Civil Works in Delhi ?
how can i use REF and diffrencial relay both in 1 CT core for transformer protection?
which is better to use svc or synchronous condenser why ?
What is a parabolic signal?