What is means by MacAdam Ellipse?

1 Answers  

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What is power factor? How to improve Power factor? draw a circuit diagram showing the connection of power factor improvement equipment to the electrical instillation.

1 Answers  

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Why the steam turbines are run at high speed where as the hydro turbines are run at low speed?

1 Answers  

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why stator winding of synchronous machine are connected in star connection ?

1 Answers  

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Why Alternator has 0.8 power factor?

2 Answers   Bhel,

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How can we have to decided motor connection as a STAR-DELTA or DELTA-STAR?

3 Answers   IOCL, Jindal,

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what is rise time and half time

1 Answers   NHPC,

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how to measure the A.C flux .-instrument

8 Answers   NTPC,

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what is soft starter?working principle?where it can use?

3 Answers  

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I've descovered that when the earth wire in a domestic electrical installation is not connected back to the board (ground) a voltage of between 9-24v is is found to be present in the earth wire. When connected at the board there is no voltage - is this normal and why does it happen?

3 Answers  

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What is the meaning of loop in transformer

0 Answers   AST,

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what is NGR in generator?

4 Answers  

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