what happen if field of dc shunt motor opens?
what is function of putting res. in parallel to one phase of 3 phase IM?
the power supplied by 5A source in circuit is given by------Watt.
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what does the transformer connection symbol YNaod1 mean ?
a induction motar has 30-35% exciting current at no load but in transformer it is only 2-3% ofbrated current why any reason?
In our generating power station we get electric shock in the battery bank, what will be the reason?
What should be the Sandwitch type Al. bus bar capacity for 2 M.W.Gen. set, having continuous full load current- 3463 Amps,ambient temp.- 50 Deg. C., Required temp. raise-20 deg.C., it will run 24 hrs, 365 days on full load, required highly reliable.
WHY LATCHING CURRENT IS GREATER THATN HOLDING CURRENT?
if a bird sits on the service wire it didn't get shock then why the human get shock when he touches it(assume that human is not on the ground and any object i.e. in space)?
Difference between HRG and NGR. Are they both the same thing
What are the essential parts of a transformer?
how to calculate slip ring induction motor stator and rotor currents??
what kind of quetions will ask in BHEL in interview? Plz help me?
In DC current-excitation to transformer, why it sucks more current? Eventhough there is no power transfer between primary and secondary? R is very low so it should suck less current only na thn y its current increases?
there is a power transformer 66/11kV in delta-delta connection has 5 feeder coming out from the secondary side. One of the feeder in it normally loaded (loaded than other feeder)and this feeder usually trips with double OCR causing the bank transformer to trip. Now if the load of this feeder is put on other transformer then that no problems occurs on that transformer or the load. However normally all the test(IR, PI, short ckt, open ckt,grounding test and other ) has been conducted for this but evertything transformer..... I am not geting what is the actual problem...