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

why they were using TRIAC instead relay in some controllers and what is the advantages.

0 Answers  

1)how to reduce the value of tan delta of trasformer and CB,bushing,CT&PT,CVT ? 2)how to reduce the resistance of CB contact and its operating time? 3)plz.....send me the project report on conditioning and monitoring of substation equipment on my email id (gusaiyogendra03@gmail.com)

0 Answers   L&T, PK,

what is the full form of XLPE adn there use.

4 Answers   Voltas,

WHAT IS METHOD TO DESIGN SIZE OF A 11KV UNDER GROUND CABLE FOR A OUTGOING FEEDER FEEDING 6NOS 250KVA TRANSFORMERS WITH 5KM LENGTH OF FEEDER?

1 Answers  

How to improve insulation resistance of Motor

2 Answers  

how can calculate 1kva generator running time in 1 liter keroscene

0 Answers   Kirloskar,

What are the various reasons for an inductin motor to get heated?

1 Answers   Monnet,

Can without battery on line UPS,off line UPS or Invertor works please brief.

5 Answers  

what is power system transient condition

1 Answers  

can any tell me how to do wiring connection in L&T 3ph 4wire E301 CT operated energy meter, what is P1,P2,P3,P0. M1,M2,M3, L1,L2,L3.

2 Answers   Bhartiya International,

how we can calculate the efficiency of a diesel generator ?

0 Answers  

what will be the effect on the voltage .if power frequency is increasing or decreasing.

2 Answers