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what is the function of Moulded case circuit breaker, why it is called Moulded?
from which formula we select a capacitor rating?
What is value of earth resistance required for substation and equipment earthing and what are the reference guidelines
hi pal, i am vengatesh from tamilnadu(chidambaram),i have called for the written test for the post of jr executive(ELECTRICAL) of AAI ,I dont know about the question paper pattern,so any kindly help me to face the examination,post me the model question papers and some tips to write my examination to (vengi.annadurai@gmail.com)
can i use ups power as a raw power for another ups
Which type of motor is used in trains, what is the rating of supply used explain working principal?
If 22 KV HT line, Current transformer is 25/5 then how to calculate multiplying factor.
What is Auto Mains Failure Panel & Auto Synchronizing Panel
I am abt to give IOCL intrv.Plz sir guide me for IOCL intrvw (Electrical).Which subject to be consider. questions are generally asked from which subject.Plz help me out.
why to use freewheeling diode ( diode in revers bias mode) across dc coil
what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:
how are reversing the direction of rotation of dc motor
Define steady state error.
I am using submission of two ct in one and half scheme for 67/67N protection. Both CTs star point is grounded separately near ct box.Will two point ground give wrong tripping to 67/67N during fault or no matter.
explain safety measures in alternator?
