Can any body tell me about partial discharge test, and why it is necessary and its procedure

1 Answers  

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while running ,synchronous generator is being turned off.what will happen to the current flow??

1 Answers  

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where the protection CT in neutral of transformer be located, before bifurcation or after bifurcation and why.

2 Answers  

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why dc supply is not applied for step up or down in transformer

3 Answers  

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how ups works ? various parts of ups and working principle

0 Answers   Serco,

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Two 11 kv lines are feeding to common bus in a substation,I have one set of CT & PT(3ct,2pt), How can I measure both lines power using single set.

6 Answers   L&T,

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what is sustainable current of any conductors . a bare busbar or pvc cable has different sustainable current .

0 Answers  

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I have three phase 400 KW,390 A MOTOR.For this motor which type of Cable is required....specifically rubber cable required. Can anyone help me..

5 Answers  

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How to select the cable size for the given load ?Pls explain the Formulae

3 Answers  

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what is potentiometer & rheostat

3 Answers  

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When in a large power system if the demand of power is larger than the generated power the frequency of the power system drops.(assume the rated frequency is 50Hz and now it is 49Hz) So does this mean the demand is totally supplied with a lower value of generated power in a lower frequency?

1 Answers  

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How many types of Differential protection are there? and what the special arrangement are made at the time of charging of a transformer on the Differential protection?

1 Answers  

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