Upto what extend the powerfactor of a supply system can be
improved to be cost effective?
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aternator every parts and its working
How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).
how power trnafor from 1 point to another point in bus bar ya transmission line( voltage trnasfer from 1 point to another poin)
What tests should i carry over on a newly rewinded DC Generator with voltage rating of 38 volts and current rating of 350 amps, to certify that the machine is OK?
1.what is the difference between transformer differential and busbar differential.2)why we are using 2 slope for trafo diif and 1 slope for busbar diff.3)what is the purpose of metrosil and stabilizing resistor in high impedance relay circuit.4)how metrosil reduce the peak volage.5)what is the funtion of stabilizing resistor
Draw transformer phasor diagram.(full load,no load)
sir i ve applied for hindustan petroleum and power grid india ltd..and the exams on feb 22.can you pls send model papers and tell how to prepare for those.i need to get into any of these for sure.....
Bimetal strip used in overload relay what is that,which types of material used for that & percentage.
how we can adjust for three phase motor cold stall time ,hot stall time and thermal register set up?
how does grading rings & spacers in transmission line works? Working Principle?
what is mean by transition resistance of transformer?
Single phase and threephase power calculation
Where I can get the sample question for post of Junior engineer electrical-II For RRB Bhubaneswar.
What do you mean by a current transformer?
Why have to use copper cable for local isolator to motor ?