I want to replace the 3 KW DC motor with AC motor so what should be the rating of AC motor? Details Of DC motor to be changed with AC are - Kw - 3, Vf - 310, If - 0.15, Va - 400, Ia - 13, RPM - 2400

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what do you mean by leading power factor & lagging power factor

13 Answers   Suzlon,

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Why star point of star connected motor is not grounded? Why alternator is operated at lagging power factor?

3 Answers   TCL,

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How we connect capacitors in Fixed Series compensation of AC transmission lines. Whether in parallel or in series?

3 Answers  

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what are iron and copper losses

4 Answers  

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how we are measuring the winding temperature of the transformer?

11 Answers  

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A ray hit a smooth regular surface at an angle of 20 from the normal. Calculate : 1. The angle btw the incident and reflection ray. 2. The angle of deviation.

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why do we need the body earth?

4 Answers  

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what happend if the protection ct is by mistake put instead of measuring ct & vice versa?

2 Answers  

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Can we install and run MCCB suitable for 440v 3Phase 4wire system, on a 220V 3Phase 4Wire System.

3 Answers  

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When Neutral exceeds or equals the phase current in both single phase * three phase system?

1 Answers  

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when meggering a 3ph,480v oil reservoir heater on a regen gas compressor, why do I get a reading to ground when meggering phase to ground? shouldn't it read opened or is there something that makes it read closed? on the same heater, when ohming, it reads open. thanx

1 Answers  

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