can you give main difference between ELCB And RCCB?
Answer Posted / pravesh
both rccb and elcb are same name given to the same device
both work in residual current value of the circuit. both
has low current setting i.e. 80 ma .if any durrent flows
(residual) itflows from the earth condutor and thus trip
the elcb/rccb
| Is This Answer Correct ? | 7 Yes | 28 No |
Post New Answer View All Answers
Explain cmrr?
Wt is the function of reactive power? How it generates & consume though resultant is zero?
generally in LT and MV motors we are using 3.5Coresx16,25,35,50 etc cable for supply.although motors is earthed at two point and having all protection.then why we are using that 1/2 core for earthing the motors.while in HT cable we are using only 3core cable for motor supply.generally lt and mv motors are delta connected and ht motors having star connection.whethere it is having any relation with winding connection( star or delta).all motors i am talking about are dol only.can anybody solve my confusion.thanks...
Explain the fundamental difference between emf (electro motive force) and pd (potential difference) ?
WHAT IS MEANT BY TV TERMINAL IN 500MVA TRANSFORMER?
What are factors to be considered while we selecting the Core Balance Current Transformer for Earth fault protection
how the characterstics of control valve being done
Practical condition in 400KV Sub station:- Breaker(open) , isolator(open), Earthing (close) at both end e.g A & B. Now Open A Stn Earthing than Open B stn Earthing (Which have a 50MVA reactor) , AND suddenly show R,Y,B phase 704KV,573KV,118KV respectively. Que is without closing of breaker how it is possible.???? My Whats app No:07621840498 for Further Discussion. Pls experts suggest.
What is mean by hot and cold loop testing? What is the difference between them?
What difference between ref protection and differential protection ?
I AM FROM ELECTRICAL ENGINEERING ? I AM ASPIRING FOR "BHEL".HOW I HAVE TO PREPARE .ON WHICH TOPICS TO BE CONCENTRATE MORE.PLEASE GIVE FULL DETAILS OF WRITTEN EXAM.
what is the major difference between LIBBP & HIBBP.. which one is most preferable..
What is the implications when 600 hp motor is started when the unit is running with Transformer of capacity 1500 KVA and DG set of 1000kva
What happened when voltage will half value of current ...
why sielent pole is used only in hydro generators and not in turbo generators