What is Percentage impedence of a transformer? why it is expressed at a percentage? what is the importance of percentage impedence in case of a transformer?

0 Answers   Haldia,

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difference between earthing and grounding?

2 Answers   ABB, Bharti, L&T,

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sir, i am 3 years diploma course pass out candidate.what type of certificate can i got in marine service.

0 Answers  

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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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why a three phase transformer cant rotate like three phase motor

7 Answers  

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A synchronous machines has higher capacity for (1) Leading power factor (2) Lagging power factor (3) Does not depend upon the power factor of machine (4) None of the above

2 Answers   JSW,

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PLS MENTION QUESTIONS ASKED IN IOCL INTERVIEW FOR ELECTRICAL EGG??

0 Answers  

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How to power regulated by AVR in Alternator?

3 Answers   EPGL,

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generally the electrical equipments not to be operated at leading power factor, why?

2 Answers  

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how to select the cables based on amps ratings ? how to calculate the amps and how to select the cable size

1 Answers   JV Electricals,

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what is the preventive @ predective maintenance

2 Answers  

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What is the main difference between generator and alternator

4 Answers  

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