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in alternator permanent magnet generator is also connected on the alternator shaft,then y that PMG voltage is very low as compared to alternator?
1 3193Difference between transmission line and cable?when ever a large water channel has to crossed it is easier to use cable then transmission line why?
1 3155The neutral&earth voltage is 0v.But we were connected the lighting load at the time ballast was failed.why?
1 3514There is two transformers of 2MVA & 3MVA, which transformer is located at the sending end & which is at receiving end. why?
3 6488how the synchronizing is obtained at bus couplers in grid substation? (because there we cannot change the frequency in one of transmission lines like in generator synchronization)
2366what is dc mator?types of dc motor?losses in dc motor?what is the mechanical,electrical and commercial efficiency of a dc motor?
2073Post New Electrical Engineering Questions
how point on wave controller works.
what is the principle of the single phase energy meter? and,what is the advantages and disadvantages of single phase energy meter?
what will happens if one phase is missing for 33/11kv power transfomer and why?
Explain the fundamental difference between emf (electro motive force) and pd (potential difference) ?
I am inpecting a 10kVA UPS what tests should i do and should i observe?
-What should be minimum value of insulation resistance and maximum value of earth resistance at any electrical instillation and what is method of testing the same.
state the disadvantages of carbon filament???
Benifits of 3ph 4 wire metering over 3ph 3 wire
1600 KVA ka transformer hi aghar lt side par 800A aur voltage 420 ho to HT side ki cable ki rating keya ho gi?
Name the types of motors used in vacuum cleaners, phonographic appliances, vending machines,refrigerators, rolling mills, lathes, power factor improvement and cranes.
What is the Load Capacity of Panther conductor (0.2) and dog conductor (0.2)
low frequency protection why recomend?
how did the testing of protection relays done through current injection
why we use circuit breakers for switching instead of normal switching device?
there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit
