what is the ground fault relay,which purpose it will be use,clearly tell me plz

0 Answers  

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why 3 phase motors are preferable over single phase motors ?

6 Answers  

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What will be MF for below rating ? Main CT PT value is 11kva/110 and 20/5 amp Meter display is 1kva/110v and -/5 amp What will be MF ? Multiplycity factor of energy meter

0 Answers  

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why do we use magnetic contactors ?circuit breakers are not enough?

5 Answers  

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what are safety seals in HT line?

2 Answers  

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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.

0 Answers  

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1.stranded resistance values of motors? 2.how to calculate the resistance values of single phase and 3phase motors?

2 Answers   Bell, L&T,

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why normally Generator rating are between 11Kv to 22Kv?

7 Answers   Torrent Power,

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Why PT voltages are measured with respect to ground? What do u mean by voltage or current polarized.

0 Answers   Grasim,

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A current of 2A flows for 10 hour through a 100 ohm resistor. The energy consumed by the resistor is:(a) 0.5 kWh(b) 4 kWh(c) 2 kWh(d) 0.02 kWh

3 Answers  

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defined power system?

3 Answers   Spanco,

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why generation voltages are 6.6kv or 11kv and why not some one give that stander that generation voltages are 5kv or 12kv?

1 Answers   AES,

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