can u please tell me how VFD(variable frequency) drive is used as a energy saver....?12 13837
what is derating factor in Cable ? how we minimise this?18 106949
Can u tell me the name of books of transformer testing?6 7080
what do you know about electrical15 9227
Explen all type electrical protection ? like O/C,E/F,NPS,VOLTAGE UN BLANCE,CURRENT UN BALANCE,NAGETIVE PHASE SEQ,AND ETC...............electrical Protection6 16635
hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible938
I am shobana from Chennai. I am having my personal interview on 19th Dec at Chennai.kindly mail me the questions to mail id email@example.com
pls someone send me sample question papers along with the key.thanks in advance
What is making & breaking current ???
What is NGR . What is the purpose of 10 sec ,60 sec rating of NGR.
What is the effect of positive feedback on the stability of the systems?
what is transistors comprised of?
How to checked frequency drive output voltages?
what is accuracy ? in any meters , coils accuracy . how can u defined that ?
do we use links in a dc circuit?if so what s its use in it?
If breaker is undefined position, first step to do.
take 100kva DTR( delta/wye ), what ll happen if we connect 11kv to LT side instead of connecting to HT side? will the DTR behave as a step up transformer or something else????
what is the illumination level required for child play area?
describe the constructional features of an auto transformer and its principle operation
Name two low frequency oscillators?
What are the disadvantages of hydropower?