Answer Posted / vinay sangwan

1.Because voltage level get increased so current get
reduced.
2.Since voltage level get increased with respect to rated
voltage, so insulation become week after a certain time and
may be risky for human safety.
3.Now if frequency will increased from 50 Hz to 60Hz motor
speed also get increased.

WHY L-G FAULT IS MORE SEVERE IN TERMS OF RRRV?

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Show Details FROM:Muhammed Ikram TO:qa@allinterview.com Message flagged Saturday, June 4, 2011 10:07 PMMessage bodyHello all, i want to ask a question to all of you that what is VMM (voltage monitoring module )? how it work,s? i heard somewhere that it compare 1 phase voltage to other phase voltage. but there is also some setting on it. how to set it,s setting. please tell me briefly. Thank,s and Regard,s. Muhammed Ikram.

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in power generator normaly voltagr betwween esth to neutral is 0 but my work place generator show the volatge is 60v any body know why? thanks

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