How can calculate the earthing strip of Copper/GI for rating of 30kV,discharge current 10KA Lightning arrester.

0 Answers   Raychem RPG,

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Define closed loop control system.

0 Answers  

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what is PI value and its significance for insulation testing?

3 Answers  

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in which direction real power and reactive power flow and why???????

3 Answers  

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up to what extwnt of voltage the celing fan works?

3 Answers   ICSA,

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How the main bus bar rating of 400kV switchyard with one and half breaker scheme is calculated.

2 Answers  

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what is quality factor in series resonance circuit and calculate the factor of voltage magnification? how it happens?

0 Answers   BARC,

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Advantage of 11KV ring main system with open point

1 Answers   Alam Group of Companies,

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assume we are put both df/dt and vector surge relay in same bus the df/dt relay setting is +5 hz an -5HZ. we want operat the vector surge relay before the df/dt how i calculate the setting of the vector surge relay.

1 Answers  

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what is thyristor, how is it works

1 Answers  

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why transformer rating is in kva?

11 Answers  

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Why pmg used in electrical generators for excitation.is there any other method without pmg ?

1 Answers  

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