What is four quadrant metering system.

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Why electrons flow only one direction in semiconductors. why can not flow both directions

1 Answers  

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Why we use a shunt capacitor or synchronizing Motor To Improve a Power factor pls reply me in this mail dinesh_elect_eng@yahoo.com

4 Answers  

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how does an open delta transformer works

2 Answers  

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What should be the values of settling time, peak time, steady state error, overshoot, rise time, MPOS (Maximum percent over shoot) to keep the system in transient state, to keep the system in steady state ?

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Give some differences between open loop and closed loop control systems.

0 Answers   GE,

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how does relay works?

16 Answers  

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what is ring main unit(Rmu)? what is its function

1 Answers  

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why there is 1 phase and 3 phase but not 2 phase and 4 phase?

3 Answers  

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What are the necessary components of the feedback control system?

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why occ curve is not tracing back when we are bringing rheostat back in reverse direction?

0 Answers  

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How power factor of a transformer is calculated

3 Answers  

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