what is per unit impedance?

3 Answers  

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HOW WOULD YOU PRESENT THE POWER FACTOR PRACTICALLY ON A GRAPH

4 Answers   Bhel,

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The control system is used for?

3 Answers   CCP, NTPC,

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we touch other end of the tester supply, why do not get shock?

7 Answers   L&T,

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make control wire diagram of start and stop a function with a single push button

1 Answers   Sona,

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why 15 kw motor winding resistance is low then 5 kw motor winding resistance?

0 Answers   Baosteel,

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where AVR is connected in power plant.

7 Answers   ABB, Saudi Red Bricks,

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Formula to calculate fault current flowing in the neutral line?

1 Answers  

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what are the alternator cooling system? how it is represented?

1 Answers  

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Can I parallel 1 MVA generator with 1kVA Generator? if V, F, Ph Seq and Ph angles are same

2 Answers  

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How can we calculate the rating of capacitor bank to be connected for a particular load(ex.100kw)to improve the power factor from 0.8 to 0.9?

4 Answers   Voltas,

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why rotor winding in induction motor is not earthed. normally we uses star winding in rotor .why?

3 Answers   Anglo Platinum, TATA,

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