what is skin effect and why is it absent in DC systems

4 Answers  

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What kind of test is conducted commonly for generator? And explain briefly

1 Answers   MAHINDRA,

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Why we are not placing c.B 's btwn generator and transformer.? what happens when generator gets disconnected from transformer when it is running @ full load?

3 Answers   Areva,

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Comment on the working principle of operation of a single-phase transformer.

0 Answers  

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how to calculate full load current of transformer & induction moter ?

2 Answers  

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list down a few application of ac & dc in a generating station?

1 Answers  

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why we used ZNO in Lightning arrester.

0 Answers  

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what is meant by Back emf ?where its occur ?

6 Answers  

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What is the name of process In VFD frequency are increase then voltage increase & frequency decrease then voltage decrease?

0 Answers  

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2. The heaviest and lightest strings on a certain violin have linear densities of 3.0 and 0.29 g/m. What is the ratio of the diameter of the heaviest string to that of the lightest string, assuming that the strings are of the same material?

1 Answers  

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What are the possible causes of REF operation on a power transformer

4 Answers  

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whose the first invented AC voltage or DCvoltage

4 Answers  

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