what is difference b/t ac current and dc current

4 Answers   L&T, Meghana Engineers,

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how to find out capacitor range?

2 Answers  

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what is the difference between megger and earth tester?

28 Answers   Ashok Leyland, IOCL, RRL,

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why the manufacturer provide M and C terminals ? why they will not internally short them ?

1 Answers  

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i need to calulate the cable size when watts are mentaind wat z the formula

1 Answers  

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What is RCBO? hw it works

2 Answers  

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which motor is used in our Indian Ceiling fan -Capacitor start and run or Capacitor start? (during repair i saw only one capacitor so it should be start only)

5 Answers   ABB, Bajaj Electricals, Power Grid, Ruchi Soya, Suzuki,

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How can we calculate the capacitance of generator?

1 Answers  

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Why ACB is used in LT why not in HT and why VCB is used in HT why not in LT

1 Answers   GE,

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what happens when we apply dc to a transformer

7 Answers   Siemens,

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Why Lightning arrester used? Can we use piece of iron as a core material of transformer, if No, why? In CRGOSS material what is meaning of cold rolled grain oriented? Why Impegrenation of Transformer is done? Properties of Insulator? what is phase angle? Testing of transformers (Routine & Monthly)?

6 Answers   NTPC,

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What core magnetic balance test of transformer? How to do this test in a three phase Star delta (star-LV, Delta-HV) transformer? How to measure and where to measure? thanks and regards Austin

22 Answers   Neutech, Power Grid, TSSPDCL,

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