How can we calculate the efficiency of a Running (On-Load) Motor ? What parameters are required and what is the method ?

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In industries Power factor is maintained by installing a suitable KVAR bank, How is the PF maintained for domestic use, where is the capacitor bank connected

3 Answers  

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hot water tank,top element 240v across,the bottom 120v across,why?

1 Answers  

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How can we calculate the rating of a transformer suppose if load is 1000KW?Formula?

3 Answers  

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why battery set is required for D.G.set?

7 Answers  

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how are reversing the direction of rotation of dc motor

0 Answers  

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why generator is design for lagging P.F(power factor)?

3 Answers   BSES,

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What are the causes of unbalanced current on 34.5kv feeder Ia=0.05,Ib= 0.25, Ic=0.15 and In=0.27 prior to tripping current are balance?

0 Answers  

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Which device is provided as backup of Buchholz relay???

2 Answers   Indian Railways,

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what is the principle of generator , induction motor,d.c motor

1 Answers  

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meaning of two lines in between the transformer single line diagram??

3 Answers  

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Define thermal resistance in the context of power amplifier.

0 Answers  

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