what is rotatng magnetic field in case of three or multiple phase alternating current machines???

1 Answers   NHPC,

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In power transmission using open belts or horizontal shafts it is preferable to have the slack side of the belt on the top because

0 Answers   Caterpillar,

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what iz second and fifth hormonics please explain

1 Answers   Satia,

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I am mechanical engineer,I need Training in Electrical & Electronics ( i.e. three days workshop training ) Where will I get the same Please suggest?

2 Answers  

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what is the working principle of ceiling fan and table fan?

10 Answers   ABC, Tata Steel Limited,

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Why LVDT have secondary windings connected in differential 1. Higher out put 2. Based on the out put voltage-/+, helps to identify the direction of displacement 3. To establish a null/ reference point

1 Answers   GATE, PSPCL,

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why dc source used for HV breakers and Relays operation?

2 Answers   Cethar,

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for star delta connection,,why the contactor star not burn,when red,yellow and blue cable is looping.

2 Answers   Mahindra Water Utilities,

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Hello sir This is prakash from bangalore i have a doubt why we have to maintain DG power factor in the range 0.78 to 0.8 Perhaps i f it is increased means what will happen in DG

3 Answers  

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Is it possible to use a S1 duty class motor for crane application (S4)? If not, why?

0 Answers  

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how to produsing geretor power

0 Answers  

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resistance of transformer oil=?

1 Answers   HCL,

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