how to calculate the formula of cable size if motor kw is given

0 Answers   APT,

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when a motor is connected in parallel with the existing motor the pf will change or not?

9 Answers  

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Is any AC drive(VFD) had a feature of DC injection braking? if available please mention the detail. i.e drive can supply braking torque when the motor in idle state.

0 Answers  

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Why pmg used in electrical generators for excitation.is there any other method without pmg ?

1 Answers  

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"TRANSFORMER MODELING AND ANALYSIS" MEANS WHAT AND WHICH TOPICS U READ IN THIS

0 Answers  

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what is the function of breather in a transformer

29 Answers   Areva, Bhel, RKM Powergen, Vijai Electricals,

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In Indian Household, generally we receive 220V AC single phase supply. But AC has 2 phases, +ve & -ve. So in +ve half cycle current is flowing...so what happens in the -ve half cycle?? Please illustrate.

0 Answers  

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star delta starter single line digram

1 Answers  

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What is the difference between Class PX & Class X CT's

2 Answers   ABB,

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describe the Operation of induction generators from bus bars

0 Answers   AMIE,

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why we are testing cables with DC supply not with AC supply?

9 Answers   Aurobindo, DEWA, L&T,

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How impulse levels are calculated that for 11kV impulse is 75kvp, for 24kV impulse is 125kvp ?

0 Answers   L&T,

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