how fault in an electric system is detected & hw protection
of equipments is done ?

Answer Posted / himanshu batra

fault is detected with the help of circuit breaker and relay

Is This Answer Correct ?    12 Yes 5 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the maximum percentage voltage drop (vd%)for a motor control center

1539


which model T or pie model is prefarable in power syatem

1420


1.dg on load alarm/stop alarm... 2.dg on load. piu alarm alarm kaise chek krte hai

1380


A 11KV, 1200 A breaker combination fixed in a cubicle for HT motor.Is normally for 11 KV motor fuse is using? if Yes, What range fuse is required?

1512


what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:

1514






A mass of 1200g is accelerated at 200 cm/s2by a force. The value of the force required is:(a) 2.4N(b) 2400N(c) 240 kN(d) 0.24N

2118


Dear sir, How to calculate 3.5 core pvc aluminium armoured cable meter wise carrying amps rating.Please give the solution with a good example.

1297


what is the difference between delta delta and star delta connection transformer? why we use delta delta transformer since it need earthing transformer for grounding?

1619


How much depth n width required for laying of 1X70 Sqmm Cable in Desert???

1202


what is Fault level? why it is calculated? how will u decide same for our plant?

1555


why constant voltage transformer should be start without load? and if started then what will happen?

1604


what is servo motor and how it works?

1762


why should small green grass ans small plant should not be there inside the transformer Yard in the factories

1202


what are the difference between AC lamp and DC lamp

1666


if the load is 80 amp for main fuse and 100 amp for breaker so how can we calculate the cable size (cooper ) .

1662