how to select a circuit breaker?

24 Answers   ABB, BARC, TCS,

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IN A MAGNETIC MATERIAL HYSTERYSIS LOSS CAN'T BE REDUCED TO ZERO. HY?

3 Answers  

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Isi standard of lux level required / to be maitained in different working place general & in textaile industry.

1 Answers  

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How can we deside Short Ckt level of electrical System,Breakers etc.please provide formula to find SC of HV side & LV side

0 Answers  

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Explain mechanical rotational system?

0 Answers  

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I don't understand why when we connect high voltage source in DC to electronic motor , we must add capacitor and resistor in parallel ? (I know that we use capacitor because we want to absorb the current that in the first second electronic motor in opposed with current course produce. ) what are the feature of Resistor and in such situation ?

0 Answers  

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What will happen if apply dc source for power transformer

4 Answers  

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what is the formula of starting current of 3phase and 1 phase motor???

0 Answers   L&T, WFP,

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what type of battery used for starting D.G?state its function?

2 Answers  

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Why oil preferred over the air as a cooling medium for high rated transformer?

1 Answers  

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What does a permanent magnet generator do?

1 Answers  

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WHY HUMMING SOUND OCCURED IN HT TRANSMMISSION LINES?

6 Answers  

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