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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 6844how 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 4342In 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?
2227One 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 5757What is meant by the KA-rating of a circuit breaker? In this regard, discuss the stresses experienced by the circuit breakers
3 13879How 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 4028Post New Electrical Engineering Questions
5.WHICH TYPE WELDING PROCESSES USES NON CONSUMABLE ELECTRODE.........
What are protections for dty type transformers
does the Trivector Meter of three phase automatically takes care of the low power factor and gives the reading accordigly or it does not take care of the Power factor while giving the readings please explain
Two liquids hot and cold in two vessels are there and an metal bar acts as a conductor of heat between the two vessels. what happens then. what happens after 24 hrs?
how to generator maintenance (A Check, B check,Etc)
Explain (in simple ) - root mean square. whats its role in electrical fundamandal.where its used
why is the power generator connected as star earthed or star earthed through reactance and what its features ?
draw 3 phase rectifier diagram
Draw a SLD of HT distribution EB grid up to users Transformer?
What is the effect of interchanging core(made of steel) and winding(made of copper) material in case of transformer? Give proper explanation in regard to different losses in transformer.
WHY THE DIMENSION OF TWO SAME RATED MACHINE IS DIFFERENT ?
we have an energy meter in a capacitor bank panel, So should we consider it's readings as energy consumption on daily basis. (when capacitor bank doesn't have any energy losses)
how works inductive &capacitive sensors?
How can we connect additional batteries to three phase ups? What are parameters we have to check when connecting?
why need to be maintain power factor for industrial customer?
