How power is transferred from one winding to another in an auto-transformer? A) electrically B) magnetically C( both a & b D) neither of above

3 Answers   ISRO,

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WHAT IS VFD,FUNCTION, PURPOSE,

2 Answers   RasGas,

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How single phase & 3 phase motor select rotating direction ie clockwise/anticlockwise

6 Answers   DRJ ARDE,

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wats the procedure to calculate no of batteries for ups?

1 Answers  

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How the PF control while running DG set with load

0 Answers  

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my 10 hp submersible pump is tripping when connected through ELCB.I have checked the megger value of the coil's with body.It was found to be 0.2mega ohm.that is leakage is there.But when connected to mccb it is not tripping.no leakage current in the motor.Is it safe to connect to mccb? what are the problem's will arise if future?also tell me in ELCB no neutral is connected to motor.than how ELCB was working?

1 Answers  

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In explosive and polluted environments which type of motors do we use?

3 Answers   NTPC,

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purpose of breaker contact multiplication relay?

5 Answers   ABB,

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write circuit diagram for a motor rotate in forward direction once it started and when pressed the same button it should rotate in anticlockwise.

0 Answers  

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132 KV TRFO BUSHING BURNT WHEN A 6.6KV HAS BEEN APPLIED TO IT .WHY .ANY REASON ?

2 Answers   MRF,

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What is the main uses of VCB & ACB?

2 Answers  

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what is the abbreviation of MIMIC regarding control and relay panels of power systems????

1 Answers   Enercon,

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