sourse is 66 KV / 350 MVA, transfarmer is 1000 KVA 6.6 / 0.415 kv, iF fault is 28.75 MVA on 0.415 KV Bus then calculat the Transfarmer Impidance

1164

can some one clearly explain why -48 volt DC use in telecom site????

697

We have studied about many techniques for finding the stability of system, ROOT LOCUS, ROUTH, BODE PLOT, POLER PLOT etc. In these which is used where. what are the difference among them... PLZ tell me.......

1210

What si the d/f b/w KVA & KWH, kvarh & kvar, kwh & kvar phase voltage & line voltage

5086

what is meant by moulded case circuit breaker ?

1217

reason of diode failure in alternator

905

During Testing of Maintenance Free Earthing, How deep should be the Spikes of Earth Test Meter should be inserted in the soil(one spike is 15 Meter & Other spike is 30 Mtrs away from the Main Earth Electrode. Because, recently, we observed that when spike is inserted 3-4 Inch in the earth- results are better, If spike is inserted 1 feet deep than results are increasing.

974

what kn of disc is used in 33kv,132kv,220kv,400kv,800kv transmission line

2368

can i use ups power as a raw power for another ups

939

if main CT is of ratio 50/5, and meter CT is -/5 what will be overall multiplying factor of meter.PT is 11000/110 .

700

Any Electrical Engineering jobs?Please refer for interviews. Thank you

974

Explain what is clipper and clamper circuits?

162

how is the testing of an REF relay? what are the test REF circuit having?

989

Which capacitor is preferred for high voltage and frequency?

172

What is the function of under voltage release ?

511