What are the typical values of characteristic impedences of overhead line and underground cabel? Why there is so much variation?

1 Answers  

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how am i achived model paper to prepratio for bhel exam

2 Answers   Bhel,

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what is the difference between Resin Cast CT and Oil cooled CT?

1 Answers  

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Difference of induction motor & servo motor ??

0 Answers   Macpower CNC Machines,

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What is conventional thermal current (Ith)

0 Answers   Alstom, HPL,

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Can I use 1 phase power supply to run 3 phase motor? If yes, how?

6 Answers   Enercon,

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What is difference is of VSD,VFD,VSDS, are they the same as the direct current to control dc using above mention

0 Answers  

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why the check zone and main zone are used for Busbar Protn. scheem?

0 Answers  

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How to calculate the slip ring induction motor rotor current and voltage.

1 Answers   Bhel,

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what is the difference between 11kv and 13.8 kv? why we can't used one of these 2 sources?

2 Answers  

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why do we use 25kv supply for traction purpose?

0 Answers   Bhel,

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If a earth leakage circuit breaker trips is it possible to tell which house circuit breaker (I have four) is the faulty circuit?

1 Answers  

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