What is derating?, Why it is necessary, it is same for all means for drives, motors,and cables.

1 Answers  

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what is the principal of starting of a three phase induction motor.

2 Answers   Moser Baer,

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how we can calculate LT side current of transformer

2 Answers   L&T,

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what could be the reason of a burnt current transformer in an electrical panel

1 Answers   ERWAT,

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what is the function of LBB relay

9 Answers  

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i need mat lab program to find out the transmission line losses,regulation and losses

0 Answers   AITM,

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if we want to increase the back up time of an UPS what should we do ? if we want to decrease the charging time of a battery/batteries attached with the UPS what should we do ?

6 Answers  

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Why use windmills is squirell cage generators?How to calculate the slip ?

2 Answers  

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if 50hz transformer is required to be run on 50% frequency what needs to be done???????????

6 Answers   century,

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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 .....

0 Answers  

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how a synchronous motor is used as a resistor,capacitor and an inductor?

3 Answers   Technocon Services,

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What types domain of laplace transforms? What behavior can laplace transform predict how the system work?

0 Answers  

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