what is the difference between earthing and grounding of electric circuits

5 Answers   HCL, Turbo,

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How does HT work & Voltage required?

0 Answers   Adhunik,

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why excitor coil of an alternator can fail

3 Answers  

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We have one Energy meter for Measuring the voltage,current,power,energy(KWH,KVARH,KVAH) & power factor.The problem is that the meter does not show whether the PF is lagging or leading.So i want to know that is there any way or calculation to find out that whether the PF sign (lagging or leading) depending upon the above mentioned parameters?

4 Answers  

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What are the no-load losses for the 11000/415V transformer with the following rated capacity? 1.1500 kVA 2. 2000 kVA 3. 2500 kVA 4. 3000 kVA

0 Answers  

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What is Synchronization of generator,where and how it is achieved.

1 Answers   HEC,

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how does directional relay work incase of ac ?

0 Answers  

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Why the wave trap is put in Y phse only in switchyard?why not in other phases?

1 Answers  

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hi frnds can any one help me ? plz send me placement paper of IOCL of Electrical streem .... plz send ....its urgent....

0 Answers  

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show the single line diagram of star delta starter with single phase preventer

0 Answers  

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Why we use series reactor in power system?

9 Answers   Cadbury, HEG, Uttam,

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What shall be minimum thickness of firewall in between two transformers and which code specifies it ?

1 Answers  

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