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

please explian how may types of maintenance works.

4 Answers   HP,

why capacitor offer reactance to alternating current?

1 Answers   Electrical,

What is Lockout Relay and what is use of it in electrical installation

1 Answers  

what happend when 230v dc motor we supplied a 23v ac supply

3 Answers   Hero MotoCorp, RRB,

how to electronic energy metter failed in electomagnectic fild passing in the metter and which thing to defect more on metter.

0 Answers  

how to changeover ups in this power failur time?

0 Answers   Essar,

how is calculated the quantity of weight in hot test xlpe?

0 Answers   Hirbodan,

HAI,HOW TO SET THERMAL OVERLOAD RELAY FOR DOL STATRTER FEEDER AT START AND RUNNING?

4 Answers   L&T,

difference b/w current and voltage relay?

1 Answers  

Explain the operation of damper winding

2 Answers  

why voltages are added when batteries are connected in series?

4 Answers  

is all the servo motors having brake?please specify which servo motors having brake for stop on position and which are not.

0 Answers