whats the existence of reactive power and when it arises?

0 Answers   IIT,

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which calss ct's,pt', use protection,meatering and others

1 Answers  

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why phase always came one direction in 5pin socket(right hand or left hand) which direction and why..........?

4 Answers   Alstom, L&T,

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What is a liquid resistance starter?where it is used??

15 Answers   Mecon,

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Hi ,what the accurate method to set correct(In) over load to protect the 3~ motor

4 Answers  

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what is importance of ka in mccb

2 Answers   ABB,

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what is overflexing in transformer? setting?

1 Answers  

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I have a CT meter with ratio 60/5. The meter reading of previous month was 3290.49 and that of current month was 3797.26. How many chargeable units as per normal meter should be my reading.

0 Answers  

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what is the principle of motor

6 Answers  

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Differenciate between circuit wiring and sub main wiring with illustrations

0 Answers   MU,

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why is power supplied in 3 phase only? why not in 2 or 4 phases?

11 Answers  

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In VVVF drive voltage is varying in accordance with frequency.My question here is How much will be the voltage in the inverter side if the frquency is set for 10Hz ?

1 Answers  

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