what is derating factor in Cable ? how we minimise this?

18 Answers   Bhel, College School Exams Tests,

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what is PPI DB?

2 Answers   Priyanka Electricals,

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why power dissipation is due to low frequency?

1 Answers  

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What are the types of transformers according to the arrangement of iron cores?

0 Answers  

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When dc supply is fed to rotor of the alternator how it work?

0 Answers  

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how to find the voltage drop

1 Answers   Sharjah Electricity and Water Authority SEWA,

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What is master trip relay? How does it work?

1 Answers  

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if voltage in transmission line more than current will be more or less,if less what about the Ohm's law

2 Answers  

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what is the main difference between power devices and signal devices

0 Answers   Wipro,

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How much earthing frequency is capable?

0 Answers  

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why not phase to phase fault occure in raining day in hv sub-station?

1 Answers   Getco,

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technically, what is the reason behind starting the motor star the delta connection .. and what other ways to do this rather than using " star-delta transformer"

0 Answers   Wipro,

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