Why are some relay circuts designed to have the ct current
flow through the neutral instead of the phase wire, such as
in some diff relays?
Answer Posted / haseeb
this type of circuit is for the REF protection that is
restricted earth fault protection, where the current is
taken from neutral CT where as for over current current is
taken from phase CT
| Is This Answer Correct ? | 4 Yes | 2 No |
Post New Answer View All Answers
how can i find cable size from current rating?
diff b/w normal grounding and resistance grounding
What are the major reasons for balancing hydro-thermal mix?
What do you mean by passive circuit elements and why these are called passive?
What is Delta Connection? What is meant by Forward Delta & Reverse Delta & How Will be the Connection in Power Transformers?
Define what is difference between fuse and breaker?
why we need to us lenz's law for synchornous motor
how to find the resistance and gap volatage of the diode??
hii this is ranjith from hyd... i want to know what type of questions they ask in interview...and hw the interview will go..? what subjects thay ask specially for electrical engg students?
How to identify the start and end of 3phase 12 lead motor if U1, U2, etc numberings are lost or erased.
Why saturation region slowly shifted in the left side?
Haw to check conductivity of budbar
Is it acceptable of installing an earth pit in planters area where bare copper cable, earth rod and connection are susceptible to corrosion due to water?
Dear All, I am new in construction company , my boss ask a question at time of interview , If we have 60MW generation and Single Power Transformer step-up we have. if CMR 50/60MVA , ONAN, ONAF respectively , is it sufficient or not ? for that much power to transfer,
iam working in power plant. In hot places tube lights are glowing at the end portion only. what is the reason for that?