Answer / niti

alternator star point should be given to double earth.

Answer / vinod.c

Yes,this is correct Answer.Ther is 2 Neutral Earthing.
And also 1 Body Earthing is necessary.

Answer / gunasekaran

resistance earthing

Answer / saravanan

if the 3 phase supply is balanced(ir+iy+ib=0) that time only
you earthed the mid point of earth else you must use some
proper earthing methods like resistance earthing,plate
earthing like that...

Answer / ram singh

DG Neutral earthing should be connected after neutral
contactor connected towards load side because to avoide
neutral neutral failure to load side which is danger incase
of neutral contactor contact tips carbonise or breakes.
Second reason is to balance load during synchronising.
Third reason is to install REF.

Answer / ashwini

resistance earthing

To have variable speeds we use a. Induction motor b. Traction motor c. Shunt motor

1 Answers  

reason behind why the reverse power relay of incoming machine was not acted even when no load was shifted on incoming machine after synchronising the machines ?

2 Answers  

what is the difference between online and offline UPS?

4 Answers   Prestige,

Why tripping not occur when the transmission lines (11KV & above) breaks? Doesn't we provide earthfault protection for it?

1 Answers  

What is primary distribution and secondary distribution of ac power?

3 Answers  

what is difference between earth fault& restricted earth fault.

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what is the all safty name of diesel genrator?

2 Answers   Adani,

What is the technical difference between IS:1554 and Indian Railway IRS:S63/2007

0 Answers   Indian Railways,

in 11kv generators the neutral point is connected to earth via earth coil while in the 33 / 11 kv transformer the neutral point is connected to earth via earth resistor why? 

1 Answers  

MCB Rating

1 Answers  

hello every one, what is the difference between the Kvar and farads, Rating on Power capacitor is for eg: x kvar, and normal capacitor is eg: x farads. what is the relation between these two?

3 Answers  

HT and LT cables can be laid on same cable tray

1 Answers