Answer / revathi

single phase transformer has 2 windings, primary &
secondary. in this primary is the input terminal, it has
phase and neutral.

Explain the operation of variable frequency transformer?

0 Answers  

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what is the diffrence between current transformer and voltage trasformer

3 Answers  

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If I have 3 essential main switch board and 3 incoming electricity ,but only 1 genset running is that possible.

0 Answers  

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what is the difference between id fans and fd fans

12 Answers   Perkins Thermal Systems,

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how to calculate the no. of earth pits required for an electrical installation?

1 Answers   Mepax,

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1)What are the proccedure of initial charge of 100AH lead Acid battery bank 2)whether discharge test is reqd ? if it is rqd why, how 3)what are the discharge critieria (volt/cell or sp.gravity/cell

1 Answers  

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Tell the details of the precommissioning tests that are performed on distribution transformer, power cable and switchgear (11kv).

1 Answers   Reliance,

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Why we are putting off the APFC(automatic power factor control) panel while the generator is running?

4 Answers   National Steel,

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If ROC does not lies inside unit circle,then ? a) Fourier transform converges b) Z transform converges c) Hatly transform converges d) Colpit Transform converges.

0 Answers   CCP,

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what is magnetizing and demagnetizing current in generator and motor?

0 Answers   HBL Power Systems,

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There are different classes of protections in power plants.class a,b,c are clear..is there any class d and e r there..and elaborate class b protection.

0 Answers   GMR,

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why compound generator is used in generating station?

2 Answers  

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