Why selected cable colour red yellow and blue in 3 phase Electrical system?

9 Answers   Crompton Greaves, Essar, Gridco,

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What is the theoretical capacity of a channel in each of the following cases? i) Bandwidth: 20KHz SNR(dB) =40 ii) Bandwidth: 200KHz SNR(dB) =06 iii) Bandwidth: 1MHz SNR(dB) =20

0 Answers   UOG,

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where induction generator is used ?

1 Answers  

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what is the difference between electrical degree n mechanical degree?

3 Answers   IGCAR,

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11KW Delta motor is taking about 44Amps in star and goes upto 70Amps in delta and trips OFF. The rated current is 26Amps. Application is for the blower. The motor takes ( no load without coupling impller ) only 2.5A and 5Amps in star & delta starter test.Need to know why its taking high current.

10 Answers   Pfizer,

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what is megar testing

4 Answers   NASA,

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how can we change the supply frequency?

8 Answers   Areva,

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types of motors suitable for escalators with reason

2 Answers  

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what is saturation? what role it plays in operation of ct's,motors etc and how its affects the behaviour of the same.

1 Answers  

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Please brief me about number of pole in alternator.In single phase alternator coils are connected in star or series. How to calculate frequency for the same.

0 Answers  

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How does ELCB work when exist earth foult? and How does RCCB work when exist earth foult?

1 Answers  

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what do you mean by power factor ? in new view

3 Answers   BDL,

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