Could explain briefly of over excitation in transformer.

2 Answers   NCC,

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why u want to work in sail/ntpc as u r already in an it company where life is good, good environment no much tensions etc?

6 Answers   Sail,

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A dc motor running on dc drive whose input is 3ph AC what will happen if we change the phase sequence of dc drive for e.g (R Y B) is connect as R B Y, will the motor run as same as previously running before changing phase without any effect

4 Answers  

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In a carnot engine with an efficiency of 40%, the heat rejected to the sink at 27 C is 60 kJ, then the heat supplied in kJ to the engine by the sources is

0 Answers   Caterpillar,

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Is voltage & potential transformer are the same? Are they used for same application ?

11 Answers  

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When dc supply is fed to rotor of the alternator how it work?

0 Answers  

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what is interlocing and what is the purpose of this?

4 Answers   L&T,

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anti pumping relay function

3 Answers   Hofincons,

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What is BKW of Motor. And what its significance

1 Answers   CGL, PK, Thermax,

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Application wise, where we should use AC motors and where we should DC motors?

1 Answers   Nespak,

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For a 50MVA (138/69/13.8 KV) transformer, what would be the maximum demand in order not to exceed 80% of its operating capacity.

2 Answers  

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What is main cause of cable's terminal point burned in Lug on high temperature although lug and cable selection is ok as per stantard and also tightness is ok as per situation. so please take in deep and tell correct answer thanku.

1 Answers  

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