what is DRP panels?
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What is the difference between Rectifier & Converter?
Can we use LT(150 sq. mm) cable in place of HT (120 sq.mm.) cable.?
1.where in India the maximum transmission voltage is operated? 2.what the methods are used to cool down the transformer?give the specific ratings of the transformer & specific cooling process. 3.how zero & negative sequence reactances are formed in a rotating machine when fault occur in the system?
what is the use of back emf?
What is the difference between grid and off- grid system??
What are the types of feedback oscillators?
the single phase voltage is 230 volts and threee phase is 430 v.why three phase is not 660 v?
How to calculate % Impedence?
What meant by lagging and leading? When if they are occurred what preventive methods should be taken?
14 Answers ABB, L&T,
How to find out freqency in Ac and Dc and also how u control it
block diagram of 2 ups system connected in hot stand by mode?
WHAT KIND OF LIGHTENING PROTECTION SCHEMS CAN BE ADOPTED FOR THE FLAT ROOF OF BIG DIMENSION.