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if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer
1896what is the minimum recommended leakage current of an earthed cable connected to the body or skid of an alternator
2055there 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
1932how hazordious area is classified at an oil & gas plant and categorise suitable class of electric equipment in that area like induction motors, LCS, Lighting Fixtures Fluerescent/Flood lights Mercury& sodium lights, J.Bs, Power Cables etc
2 7798What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning
1916What is ignition module of a CAT Gas Genset G-3508 Engine, Alternator SR4B Series. HOw its checked for correct functioning.Is it repiarable or replacable?
1902if i have 5kw,9A,three phase induction motor,if i want to install it 100 meter away from its feeder,how i will culculate cable size for this load.
2 5404in a refinery one motor is suddenly stoped. what will do how can i findout the problem explain step by step
2 4536the cheapest inducting instrument among all is a)pmmc b)moving iron c)electrodynamometer d)rectifier
2 5944why do we use bundle conductors instead of using single conductor of larger size for high voltage transmission?
7 21763in a refinery one motor is suddenly stoped. what will do how can i findout the problem explain step by step
2 4581what is the value will come when megger the phase to phase ,phase to neutral ,phasae to ground ?
3 20657Post New Electrical Engineering Questions
What is the physical significant of power factor?
We have 250 KW x 2 motors, which are load from 25% to 100% varying load in every minute , so how can we compansate the power factor. pl give your opinions on the above subject.
Hello to all, Please someone can send me HPCL ELECTRICAL Engg. Sample papers to me? Its urjent....my email address is.... raviasiapacific@gmail.com
Iwould like to know barc interview questions
Post possible questions for Power Factor Panel FAT / SAT
aternator every parts and its working
i need to give section engineer (electrical engineer) for RRB. Please suggest some book
what is the difference between 4pole & 6pole DC Motors & give advantage ?
What si the d/f b/w KVA & KWH, kvarh & kvar, kwh & kvar phase voltage & line voltage
how to calculate the battery AH
What is resonant frequency?
what is the difference between capacitive and resistive voltage divider?
What are the conditions to be satisfied for parallel operation of dc generators?
why r we using shell transformer for low voltage
what is zinc diffusion?
