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Dear sir,
we are getting voltage fluctuations suddenly for 2 or 3
minutes again it becomes normal. we checked each and every
connection some times we are getting 110 volts like that
from earth to neutral again it is reducing we are getting
supply from 45 kva DG set give earthing properly.
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Answer Posted / manoj dubey
generally voltage between neutral and earth occurs when
there is unbalance distribution of load in all three
phases. first check load balancing on phases. also check is
there any single phase heavy load is switched ON at the
time when voltage increases between neutral and earth.
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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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