Does RCCB do the job of MCB? Lets take 16A RCCB. it trips when residual current exceeds 30mA. does it trip in an over current situation, i.e when current exceeds 16A ??
2 6150how to calculate voltage drop in long distance cable? for an e.g lamp of 12 volt ac ,300watt is 90 meter away from supply i.e (x'mer 230 v / 12v)and i m getting 8 volts at lamp terminal ....
1 3855In between UPS out going changer over switch and ups raising main input, both side cable gland producing heat but the cable doesn't get heat,Why?
1805One of the advantages of HRC fuse links is that they can be used to back up equipment with an inadequate rupture rating. briefly discuss what this means
1 5135What is meant by the KA-rating of a circuit breaker? In this regard, discuss the stresses experienced by the circuit breakers
3 12884How to connect a Restricted earth fault relay for 2000KVA,11/0.433 KV Distribution Transformer and What is the neutral CT ratio should be selelcted for 2000 MVA Transformer for estabilishing the Restricted earth fault relay
1 3521Post New Electrical Engineering Questions
why magnet has north and south poles only why not east and west and why we are considering as north and south poles? why cant we consider as east and west?
3- What is the target from Zero Impedance, Single Phase Imp., S/C Imp. and magnetic balance tests?
if in 3-phase system voltage=440V,frequency=60Hz, current=400A. then if it is single phase then current=? and if it is single phasing then current=?
Why you are switching off arc protection mcb when you are taking shutdown for lv board.
describe the Operation of induction generators from bus bars
What is the need of generator relay panel
sir please send me iocl written test paper in my e-mail account. i'll be obliged to you........ thank u roshan
Control wiring of a dol starter for forward and backward
what is self capacitance of inductor
can we use ZNyn11 transformer instead of Dyn11 transformer in distribution for effectively eliminating harmonics from the industrial loads.
Dear friends I want to design busbar for1600 kva transformer(i.e2100 amps) what are all the factors to be considered before selectinga busbar what are all the standard sizes of busbars what is the formula for finding current of copper and aluminium busbar
IF % IMPEDANCE OF A TRANSFORMER IS INCREASED FROM 5.8% TO 8% HOW MUCH THE EFFICIENCY OF THE TRANSFORMER WILL COME DOWN?
How to calculate energy stored in a capacitance
if we give 60 hz single phase supply to the transformer used in europe , than what will happen
How to reduce -234126219.6403 MVAr generation and by what?
