what are the types used for alternator earthing,what will
happen if more than two alternator is working in
parallel with each having own system earthing.is there any
possibility for circulating current in between two system.

Answer Posted / prw

The earths of each alternator must not be connected at the
same time because this will result in third harmonic
current flowing causing excessive heating. The earth should
be switched so that only one earth is connected to ground

Is This Answer Correct ?    17 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

1) Explain why we don't link the two earthing system ht and mv on a pole mounted transformer sub-station.

1264


how do we calculate length of starting time and repeated starting of a direct online starter?

1538


Which cable is use for rtcc control panel

1330


How to findout raw or ups power? its not indicated in socket,

1534


What is meant by bus bar protection?

635






What is electrical cable termination

2211


Control wiring of a dol starter for forward and backward

1026


why -48 volts dc used in telecommucation

1969


what are the breakdown voltage rating of mini- curcuit'transfarmer!

1656


What is the effect of pi controller on the system performance?

608


List the disadvantages of constant k filters?

1055


What is meant by cold loop test in instrument

2111


How I can Compare 120v/60Hz versus 220v/50Hz ? Please tell me both advantage and disadvantage ......

1549


how to calculate maximum current

1724


I have motor of 3 H.P. How i found the rating of capacitor use in it in single phase motor..???

2123