How to Calculate KA Rating of Main LT Panel

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Define ohm’s law for a.c (alternating current)?

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I have a relay contact rated at 220v dc which is supplied with a 24vdc from the panel,for it to trip the dampers(24vdc).What if the application of the relay changes so that it should work at its rated 220vdc then will it work at 24vdc supply given or any other consideration needs to be taken .....

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100 MVA 3-phase alternator with earthed neutral has a reactance of 5 ohms per phase. what will be the fault MVA of generator.

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Why transformer making noise during the operation?

2 Answers   TCS,

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What is sensitivity of a measurement?

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how to calculate cable size in transformer, distribution side?

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What are the different towers used in 132kv transmission line? what are the differences between the P,R,S towers used in 132KV and detailed explanation

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why the oscillator doent need the ac voltage??how can it produce the ac voltage by applying the dc voltage only??

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Difference between megger test equipment and contact resistance meter test instruments?

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What is the function of retrip in busbar?

0 Answers   Getco,

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what difference beetwin phase voltage & line voltage and phase current& line current ?

1 Answers  

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