what is need of air gap in expansion section in busbar?
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Can we indroduce the principle of single phase induction mator to Transformer? i.e. by Producing rotating flux in the transformer.
where solid grounding and where grounding through ngr done and why?
aternator every parts and its working
I WANT HOW CALCULATE TO CABLE FOR WELDING PLANT ?
why high speed tripping relay will be used in tripping circuit why not normal relay
list the type of vfd? wich is sutable for heating kiln?
A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Calculate number of pole pairs. A 1 B 6 C 2 D 3
I am having a 42KW 3 phase electrical heating furnace, heating element is 80/20 nichrome material, my connections is made in such a way that 2 star connection compromising 2 coils per phase so totally 12 coils, shall if i use it unbalanced star condition (instead of 2 group of 3 phase or 1 group of 3 phase, connecting 4 phases of 5 phases) what will be the consequences and is it acceptable?
How is the percentage impedence of a transformer fixed at design stage???
What is the formula to calculate distribution transformer De-rating on iron losses basis
please forward me the type of questions which would rise while me attending to 33KV Electrical License to my mail ID:vadrevu_raghava@yahoo.co.in
Connection diagram for KW meter and Kva meter
What happens to voltage when current through the inductor is constant?
how to find Harmonics and types as per the equipemnts
if any body have question paper of railway (section engineering),then plz send me .i will thank of him/her.