which type of harmonics minimum produce in 12 pulse rectiformer transformer? a)3rd b)5th c)7th d)11th

4 Answers   Power Grid, Powerica,

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If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a campus site?

2 Answers  

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what is the difference b/w absolute encoder and incremental encoder?

0 Answers  

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In our factory so many iron pillors are exists for supporting the shed/Hangar. If do more no of earthings at one piller instead of doing more earth pits in many locations and running earth strip around the hanger, I can save the money. Please suggest this method is acceptable as per Is specifications though the Earth resitance of the farthest piller is with in the limits as per IS specifications.

0 Answers   HAL,

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what is the function of commutator in dc motor?

3 Answers  

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in cable joints procedure what electrical problems have been solved out ?

1 Answers  

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If the line voltage is reduced to 75% of its rated value then by what percentage current will reduce ?? 75% 25% 50% no change and why ?

0 Answers  

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What is the effect on power factor, shown by a trivector meter; incase of reverse phase sequence. If the power factor of a system is lag what meter will show in case of reverse phase sequence connected to the meter. and What in case of lead.

0 Answers   TATA,

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what is meant by directional earth fault and non directional earth fault? describe both.

0 Answers  

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Why transmission line carryiny high voltage and low current?

3 Answers   apspdcl, Universal Power Controls,

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If a 3 phase induction motor is in off condition in the conveyor and rotor of the motor keeps moving with the conveyor than the resistance of windings of motor varies. why is it so ??

0 Answers   Jindal,

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name of good resistance material

1 Answers  

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