what is the clear formula to calculate cable size for a load

0 Answers   TCS,

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why the AC or DC motor takes high starting current?

2 Answers  

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-What shall be short circuit current of LV switchgear for a 1000 kva, 11.415kv, 3 phase tranformer with 5% reactance.

0 Answers  

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when we should use Central Battery system and UPS system and why? in other words, what are the differences between the two systems?

1 Answers  

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voltage of a ckt is measured by volt meter having an input impedence camparable with the out put impedance of the ckt Eror caused is 1. Gross Error 2. Errors due to lloading effect

2 Answers   GATE,

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what is meant by vector group of a transformer? How can it be derived?

0 Answers  

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What is class X ct? What rare its uses?

2 Answers  

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in power station power measuring unit is KW but in transformer is KVA why?

4 Answers  

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Is there any Electrical supervisor license which gives permit to work whole India rather than individual state??

0 Answers  

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what is thyristor, how is it works

1 Answers   Sony,

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what is the difference between RMS & TRUE RMS VOLTAGE

0 Answers   IIT,

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how to determine the inrush current of a transformer

0 Answers  

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