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Which is remain unchanged in transformer action?
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Why Transformer Neutral having one earth pit ( more earth electrode resistance) whereas body have many earth pit ( less earth electrode resistance)?
Dear friends, i would like to know that what is the exact function of 'exciter winding' & 'aux winding' in Alternator?
in dc suppy frequency is zero why? if dc frequency is zero how to exist dc transients and ac transients
How to select the gauge of wire for winding of motors? How to select number of turns for winding of three phase induction motor?
howmany electrician should maintain for a 1000 kva used plant... in kerala..
I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?
How to calculate the multiplying factor for energy meter with ct ratio given
what is mean by dual digital protection in the relay field?
what is the principle of operation of tungstun bulb ??
what is the use of the puls transformer in UPS & how it works???????????
Inverter. converter. Ups.MCB.solar.alternators. motors.
what is the step by step formula for calculating bus bar phase and neutral size of a panel board.suppose the incomer of panel board is 100A..???step by step answer please
what is the effect of connecting three phase supply lines to three phase auto transformer output terminals through a fuse of 10Amp and a circuit breaker (MCB). Is this connection permanently destroy the transformer?
Why is tan-delta test and capacitor measurement done on alternator?
when the time of backcharging the transformer three phases only enough or three phase with neutral is must.from these which one is the best one.
