Answer / r k singh

First measurethe line voltage with respect to earth and
neutral separately and check which one is lower.
Case -1 If Ground to line voltage is lower then fault is
with ground ie earhing. It can be rectified by
strengthening the earthing or by making separate earth pit.
Case-2 If Neutral to line voltage is low then problem is
with your neutral line such case is to be dealt separately
as mentioneb below
a) either put isolation transformer in the circuit and
ground one terminal.
b) Make separate earth pit for the neutral line
c) check the main neutral connection ans size of the
neutral wire

Answer / mehul

i got 6v between neutral & earthing but my requirement is
less then 0.5v how i can get it , please halp me

Answer / puttanarasaiah ac

Use high voltage insulated cables or Use Underground method
for Mains supply (From pole to Meter board)and dont use any
metals In Terrace which are linked to the building because
it causes leakage flow through.

why maintenance batteries used in DG sets not in MAintenance free Batteries.

4 Answers  

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what is the diffrence between single phase and three phase

6 Answers  

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i am confused about generator. i have generator of 380 KVA that is 304 KW by that formula KW=KVA*0.8... then by this formula I=KW/V*1.732*0.8 the amperes are 528.673. so that is the load which i put on one phase of generator or this is total 3 phase load on Generator.......

3 Answers   Haliburton,

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What is the main difference b/t Earth leakage relay & Earth fault relay.I want protect my LT panel(Distribution Panels)which relay have to propose.......

1 Answers  

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We've 2 diffrent DG's with same capacity (500 KVA). Can we sync them ?

1 Answers  

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WHAT IS SEMICONDUCTOR? EXPLAIN DETAIL. FOR EXAMPLE TAKE A PENCIL.THE LEAD IS MADE UP OF GRAPHITE IT IS A CONDUCTOR.THE OUTER COVER IS MADE UP OF WOOD IT IS INSULATOR.PENCIL IS A SEMICODUCTOR MATERIAL.

5 Answers  

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what is the relation between the size of the machine and the frequency? (when the frequency increases the size of machine will increase,why?)

2 Answers  

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What is technical difference between ELCB & ELMCB?

3 Answers  

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When the DG is running at the time we can connect to capacitor banK? why it is required or not

1 Answers  

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what are the possible reaons & remedies if resistance of NGR getting heat up

1 Answers  

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Simple calculation of improving power factor?

5 Answers  

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if harmonics is generates on the secondary side of transformer then why we put LC ckt on prim side?(i m talking abt rectiformer transformer)

0 Answers  

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