why active power is called as real power or working component.What is the exact function of active, reactive & apperent power.

3 Answers  

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why we use condenser in the thermal power plant, althrough the same vapour will be again heated

2 Answers  

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how many units (kwh) are there if in one MW?

5 Answers  

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I have 30KW Motor Starter Panel, System voltage is 480V, So i have to convert voltage 480 to 220V to give the contactor coil. How i can select control transformer, Which rating transformer i can use this panel, what is the procedure, please tell me.

2 Answers  

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what is the difference between transformer,converter and transducer

0 Answers  

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we use capister for power factor. when we use capaciter in dg circuit  than defect dg. can we use capaciter bank for dg circuit

0 Answers   Syncom,

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if only one generator is running in droop mode parrallel with grid and suddenly grid breaker off what will happen? It will trip o/u freq or stay as it is? (urgent)

10 Answers  

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as we know that N=120f/P speed of an im can be controled only through changing no if poles, can we control by changing the frequncy????

7 Answers   JSW,

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We are having a 2000KVA DG set. It trips with Over speed and Engne Hot when the mahine is stopped in full speed. How shall I analyse the block load and reverse power.Is the problem related to power factor. The machine which runs on this DG is having all Synchronous motors with incividual Drives.

1 Answers  

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purpose of check value

1 Answers   Seagate,

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when elecromagnatic waves are propogated in a wave guide?

0 Answers  

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Generally at what power factor the electronic equipments like computer, TV, EPABX etc.,operates. Please tell me.

1 Answers   HAL,

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