HOW TO IDENTIFY THE RELAYS WHICH APPLICATION IN WHICH RELAY
USING?
Answer Posted / guest
by its elctrical device number(ANSI number).
ex. 1) 21 - distance protn.
2) 87B - busbar differential protn.
3) 87T - trafo. differential protn.
4) 64N - ref
Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
What are the weight of 800KV DA,DB and DC type tower ?
What is a diode?
What is systematic error?
what is the effect of power factor of machines in starting current
i am completed my degree(B.E EEE) 2014 anychance to get electrical licence plz help me
Why 15Amp. MCB is suitable to carry load of 1.5Ton Ac please Explain?
what do you mean by class PS CT and what are technical details needed for calculating it?
how to discharge 3 phase power factor correction capacitors
what is diff. between earthing grid,earthing mess, earting grid?
How could I get a certificate of competency as Electrical Supervisor? I have completed By BTech in Electrical this year(2012) for VJTI Mumbai Maharashtra. Is it compulsory to be produced while joining?
what is interpose? where it is used and why it is used?
why 5kW motor becomes unbalance if its relay trip 1st time and its set value is 7.0 A
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?
Sir, plz tell me how droop setting is done in parellel operation od DG set ? please give practical example ?
Installation method of self treated earth electrode.