What is the role of Dedicated earthing in UPS System?
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I have motor of 3 H.P. How i found the rating of capacitor use in it in single phase motor..???
what is formula of dc current and resistance.
how to test the turn ratio of 3 phase transformer using volt meter shoe the curcit diagram.
what is effect of unbalaced load -- say R 15A, Y 25A, B 10A
Can we indroduce the principle of single phase induction mator to Transformer? i.e. by Producing rotating flux in the transformer.
Three set (each phase contain 2 cable of 400 mmsq CU XLPE AWA) of single core cables are connected to 11 KV motor of 14 MW & the switch gear supplay is taken from 11kv feeder & this supplay taken from 275 KV substation. Problem is one pair cable(L3- 2 cable ) getting very hot & gland melted and damaged in switch gear side. the other two cable haven't any more hot(ambient temp only & L3 haveing 95- 100 Degree C. The same problem happened in 275 KV substation switch gear side also where the supply taken for 11 kv switch gear. But here L2 phese cable had problem. Why it is happening like this?. The cable having temperature different at different location from gland side inthe case of 11KV feeder of 275 kv substation. why ?
What is a charge.?
why we r fixing harmonic filter
Define relative stability.
In oil transformer which oil is used & what should be the insulation resistance & heating capacity.
what is the function of conservater in transformer
What will happen when we connect 2 bulbs in series between 2 phases
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