Answer / sheik

to drip the circuit

Answer / maged saad ibrahem

the earth leakage relay used to detected the ground faults
near the netural point &the restriced earth fault relay used
to detect internal faults in current transformer

I want to know what must the CT ratio be on a load of 300A is a 3PH nutral to earh installation?

4 Answers  

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How can we convert dc to equivalent ac??

4 Answers  

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why DG,Transformer,UPS capacity will be tell in KVA but not in KW?

4 Answers   Godrej,

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how to find the starting current of the motor?

1 Answers   BOC,

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How to convert KW to KVA or KVAR OR kvar/kva to kw?

8 Answers  

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How to Decide(calculate) Bush bar size for copper and aluminiam ?

0 Answers   Essar,

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iam preparing for rrb section engineer post in electrical branch.suggest the right textbook for my reference.fromwhere i will get the previous q.papers?

0 Answers   RRB,

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How to select cable the size, what is the parameters use and what is the formulas use for this cable size calculation?

0 Answers  

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Whether earthmat designning is done only for sub station or it can be done for multy residential complexes also? What is the size, type & arrangement of the earth grid to be done?

1 Answers  

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We are having a 2000KVA DG set. It trips with Over speed and Engne Hot when the mahine is stopped in full speed. How shall I analyse the block load and reverse power.Is the problem related to power factor. The machine which runs on this DG is having all Synchronous motors with incividual Drives.

1 Answers  

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how to make an earthing certificate

0 Answers  

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in single phase circuit if i connect a heater between phase and neutral, then what will be the current path? phase to neutral or neutral to phase.

4 Answers  

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