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
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what is different between synchronous & asynchronous motors
findout of current?details 440v,3phase,085pf,hp-5
For some transformers we are using solid neutral earthing while some others we are using resistance earthing why ?
why square root 2 is multiplied with line voltage in selection of LA ie 11/sqrtroot3=6.35 kv and it is multiplied with sqrt2 ie 6.35 KV*sqrt2=8.9 kv we will select 9kv.my question is why we are multiplying with sqrt 2?
i m doing DEEE in part time,can i join regular cources in BE,,IF i join what the cources can i select like (civil,ece,IT) ,,kindly advice
please send me previose rrb junior engineer qustion papers
what is ripple component in ac supply?
Why LT cables are not sized based on short circuit capacity.
hello, I need to know exactly what happen in the motor while it is connected to the (star/delta) starter, mechanical and electrical. Thaks for answering
From reading, Under voltage relay used also as phase sequence relay now, Why I use under voltage and phase sequence relay in the same circuit (ATS)?
What are dependent sources?
Convert a star connected network into a delta connected network.