What happens to a line-frequency of high-frequency transformer when it is first energized/ re-energize?

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Why overhead transmission line in triangular shape?

2 Answers  

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what is the difference between H.T Or HV lines...?

1 Answers  

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If we have to find the inductance of a dc shunt motor then by giving dc supply or ac supply and what is the reason for it. (this example is from "to determine the transfer function of a dc shunt motor ")

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How the earth fault relay works please explain?????????

2 Answers  

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FULL FORM OF MCCB

3 Answers  

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Why use in ht motore

0 Answers   ACB Group,

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I have 4 busbar of 1000 ampere. we use 4 busbar to make 4000 ampere in one phase.my problem is that when we applied 60% load on that then busbar produced high noise.what is the reason of that and how can i minimize that noise.

0 Answers   College School Exams Tests,

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why does the time taken for fuse to melt is longer as the wire length increases?

1 Answers  

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how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?

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how to find the 2500 KVA transformer rated primary and secondary volt and current?

4 Answers  

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The gauge indicates the number of amps, but what about voltage? How voltage rating (for wire or fuse) determined?

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