why dc power can not be used in transformer?

33 Answers   GE, Sail,

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the input mechanical power of a single alternator is increased,its RPM increased but in case of an alternator synchronised with grid its RPM does not increased with increase of input mechanical power. why?

3 Answers   Bhel,

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what id a dry type transformers and its function ?

0 Answers   Wipro,

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What is the lifetime of a Thyristor? Is there a recommended lifetime for thyristors after which they should be replaced?

0 Answers  

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Unbalance in voltages at motor terminals is caused by ____.

0 Answers  

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how LT meggar works

1 Answers   Essar,

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we are having 15kw and 3kw motor both can run in same time , instead of using copper we are using ug aluminium cable , 35 sq.mm is suitable for its current carrying capacity..?

0 Answers   Afflatus Grauver Pvt Ltd,

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What are the typical values of characteristic impedences of overhead line and underground cabel? Why there is so much variation?

1 Answers  

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How Grading Rings & spacers in transmission lines works?working principle?

1 Answers  

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I have an 15A fuse MCB that controls a night storage heater. It needs replacing and is now obsolete. Is a 16A C curve MCB the correct replacement?

2 Answers  

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why solinoid coil used in tripping rely?and why not other type coil?

1 Answers  

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What is power transformer?

3 Answers   Welspun,

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