why is the size of earth conductor is half of phase conductor.

Answer Posted / musammil.k

when balanced condition load,the phase current is passing through among phases(RYB).

Is This Answer Correct ?    9 Yes 8 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is the difference between 4pole & 6pole DC Motors & give advantage ?

1417


how generator avr give to the input?

1485


what is the problem when i want to close a circuit breaker by local position it closes well.but when i close it in remote position it trips

1079


What is zero of the system?

635


Dear sir, iam completed iti ncvt electrician 2000-2002 & diploma electrical eng completed 2008-2010 distance education in rvd university, still i got B licences only but my working company want C licences, how to i get c licencese pls reply me iam in critical situation thank you karthick 9841637803

1255






how to calculate differential current when we testing differential relay..suppose we have 1000kw generator,630amp VCB,what value we should put /inject so that relay trip the VCB? PLLZ justify ur comment

1160


why Current is lead 90 degree and voltage is lag 90 degree in a capacitor.? why Current is lag 90 degree and voltage is lead 90 degree in an inductor.?

1786


how to protect motor in dol starter having capacity of 30 hp.40 hp?

2759


How to minimize the eddy current losses?

631


what type of earthing do for dry fissure rock?

2034


for compensate 315mh inductance ,how many capaciance required?

1613


How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?

1504


What are dcs and plc?

675


Can we use both Electrical & mechanical interlock between tow breakers? if yes how, please explain

966


What are the types of piano switches?

1434