in an industrical wiring, why we are using lighting DB and Power DB separately?3 4810
Thumb rule for capacitor bank calculation1 7788
what is the mazor difference between the induction transformer and synchonous motor?what is the similarity between them?1 3051
heat can flow from a body at low temperature to a body at higher temperature only when ........ is supplied from an external source A). Voltage B). Current C). work D). Mass7 5439
What is the Relation b/w star delta starter , DOL starter and two speed starter. if we want to rotate a 20 kw fan in 2 speeds which type of two speed starter we have 2 use?
How can we do megger test of cable??2 8125
why induction motor's p.f 0.81200
In India why is the supply frequency 50hz? I need a particular answer for it..3 4016
how oltc works in rectiformers of higher rating (27 mva,200v dc,120kamps) please provide me full information with diaggram.1229
what is saturation kit?which use above 15 kw motors panel side.2830
which type of harmonics minimum produce in 12 pulse rectiformer transformer? a)3rd b)5th c)7th d)11th4 4279
what is the speed of a turbine in an hydroelectric power station and how many poles does it have...?1 2326
11 kv metering is done in my factory.Meter show PF 1.000 but kvarh lag&lead show 24&94 respectively & Avg.PF is .956 .? is what i do for inproove my PF to 1.0003 3272
how to check capacitor in general1 2724
State the factors, for the choice of electrical system for an aero turbine.
In electrical what is earth(ground)connection, wht is the importance of it, why it is recomended to maitain below 3VAC between Neutral and earthspecially in PLC used machines?
What is the function of retrip in busbar?
what is through fault?
what is the acceptable limit value for Desolve Gas Analysis/
What is the angle of inclination for the oil connection from transformer conservator to Bucholz relay and why?
Dry type transformers
State norton’s theorem?
What are the advantages & disadvantages of a group electrive drive?
Why is it prefer to initiate circuit breaker failure by "86" lockout relay not by "94" tripping relay ?!
Explain what is rated speed?
What are the advantage of free wheeling diode in a full wave rectifier?
The D.C. spark test is applicable to single conductor cable & assemblies of insulated single conductor cables without insulation shield,metallic sheath or metalic armor?
In what cases (circumstances)we should apply P controller, PD controller, PI controller & PID controller ?
what is the requirement regarding earthing of Single conductor with AWA