Why we make earth connection with Transformer Body and What will be the minimum size of copper wire as per code with respect to KVA rating of Transformer?
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cable armor
can a 12v dg starting battery(150 AH) be replace by 6 nos of 200AH batteries each of 2v connected in series.
iam preparing for rrb section engineer post in electrical branch.suggest the right textbook for my reference.fromwhere i will get the previous q.papers?
what is power factor?
Why the capacitor bank is keeping on for electricity supply and keeping it off for generator supply
If one lamp connects between two phases it will glow or not?
What is the drawback of static coefficients?
why 1.7Uo for HV cable Hi pot test?IE standard why?
what is the Knee point Voltage?
What are difference between earthing switch and earthing truck ? What is the operation philoshopy of earthing truck ? Wht are the component of earthing truck ?
What is the calculating formula for HT and LT amps in a transformer.
What are the causes of unbalanced current on 34.5kv feeder Ia=0.05,Ib= 0.25, Ic=0.15 and In=0.27 prior to tripping current are balance?