what is onan, onaf, ofan, ofaf in transformer?

8 Answers  

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What is the problem of internal failure in ship engine telegraph system norcontrol?

0 Answers   SAR,

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HRC full from

6 Answers  

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Whether cable is designed for different fault currents?

1 Answers   DAE,

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what is the difference between LT and HT power supply?

26 Answers   Center One Mall, Central University, JSW, Siemens, Suzlon,

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when conductor rotates in varying magnetic field the emf will induced in it and it is sinusoidal in nature ...? Why it is not in square wave and rectangular wave in nature?

4 Answers  

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In a Circuit how the MCB and Fuse ratings are calculated. And shall the fuse follws the MCB or it is otherwise?

16 Answers   Emerson, HCL, Thirumalai Chemicals,

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Residual voltage & residual current used in which protection?

5 Answers   Qatar Gas, Reliance, Transformers and Electricals,

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why grid frequency varry time to time?

2 Answers  

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what is MAR

1 Answers   NCC,

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In a circuit a capacitor (paper capacitor ) was burned due to over voltage in this case can we replace that type cappacitor with other tye capacitor ?

1 Answers  

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Seamless tubes are made by?

5 Answers   Bhel,

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