if a.c supply is given to the motor,, what happen?

0 Answers   Bhel, L&T, MSEB,

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without any excitation we can strt any dc or ac moter?

6 Answers   Bhel,

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Why we use d.c. meger in a.c. induction motor?

1 Answers  

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What is called limb of a transformer?

0 Answers  

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what is the calculation of current when a clampmeter is attached to two phases of any drives.

3 Answers   ABB,

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WE HAVE A PROBLEM THAT THE MAIN DRIVE OF OUR CEMENT MILL HAS AN EARTHING PROBLEM?TWO OF STATOR WINDINGS INSULATION HAS BEEN COLLAPSED DUE TO AGING PROBLEM.THE PHASES HAVE BEEN BYPASSED AND NOW THE LOAD HAS BEEN INCREASED.WE CAN'T REPLACE THE MOTOR.KINDLY HELP ME BY GIVING SUGGESTION THAT HOW TO MAINTAIN THE STARTING TORQUE AND CURRENT FOR HIGH LOADS.

1 Answers   ACC,

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What are the types of windings present in the ceiling fan? What winding will be effective first when we started the fan?What are the resistance and inductance ratios comparatively at the initial speed and full speed of the fan?

0 Answers   MIT,

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how much kn lightning arrestor is used in 11kv line

8 Answers   Power Grid,

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WHY IS CT SECONDARY SHORTED TOWRDS TH EQUIPMENT TO BE PROTECTED

1 Answers  

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what is Harmonic effect?

2 Answers  

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what is meant by lagging & leading current

1 Answers   TATA,

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What is basic fundamental for choosing NGR or NGT for any generator neutral grounding

5 Answers   EDF,

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