what is the UPS

4 Answers  

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what will be happen if we apply D.C supply to the transformer

14 Answers   CCBPL,

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What is the permissable nutral current of three phase system as per IS standards?

0 Answers  

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How to select KW/HP rating of motor for particular application? Is there any relationship od RPM?

1 Answers  

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why we r used APFC Panel in industrial area.when P.F. low then wat will be the effect in our system?

10 Answers   ABB, Georgio Rocks, Piramal Healthcare, Zenith Engineering Corporation,

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In all electric motors, fans are provided to dissipate heat. How it dissipate the heat? By absorbing atmospheric air or by exhausting the heated air generated while running?

2 Answers   Ford,

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can we use ZNyn11 transformer instead of Dyn11 transformer in distribution for effectively eliminating harmonics from the industrial loads.

0 Answers   DEWA,

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Why iron core transformers not used in high frequency applications ?

3 Answers  

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Will a load of 15A work if we connect it between one phase and earth?

4 Answers  

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examples of resistive inductive and capacitive load

1 Answers  

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why the colour of insultor stack , petticoat is brown. Is it has some technical reason.

0 Answers  

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Based on what the rating of machines are provided??(ANswer should in single word)

19 Answers   Asian Paints, Bhel,

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