Answer / koodalingam

To protect the primary winding of the potential
transformer.If you not earthed the system,the unbalance
voltage will appear between neutral and earth.This voltage
can damage winding.

Answer / vinod

in EHV single phase PT are using, primary one end need to
earth for taking stable 3 phase secondary from three single
phase PT

i want design of D.C.MOTOR 1HP 960RPM AND 2HP 960RPM ITS URRGENT

0 Answers  

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why we are used armed coble for wiring of 3phase motor?

3 Answers   AluChem,

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what kind of quetions will ask in BHEL in interview? Plz help me?

0 Answers   Bhel,

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why hv current transformers have big size ?

5 Answers   RailTel, TCS,

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What will happen if we introduce negative feedback to a control system that uses a positive feedback?

0 Answers   GE,

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how to calculate the mf of kwh meter,if ct the ratio on meter is 100/5A

2 Answers  

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Why synchronous motor runs at a fixed speed? what is the name of that fixed speed?

4 Answers  

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HOw can we calculate power factor at HT side.

6 Answers  

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what is high and low cut off voltage of BB and DG at SPS????????

0 Answers  

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What is the classification of hydro projects based on installed capacity?

0 Answers  

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what is rotatng magnetic field in case of three or multiple phase alternating current machines???

1 Answers   NHPC,

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WHAT INSTRUMENT IS USED TO MEASURE THE MAGNETIC FLUX?

7 Answers  

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