What is meant by regenerative braking?

5 Answers  

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3 Core x 35 Sqmm Cable (How we measure 35Sqmm)

4 Answers   Alpha Star, Brother,

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what is the main different between distribution transformer and power transformer ?

7 Answers   Sail,

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which type of effect of turbine and generator reverse power protection ?

0 Answers   NTPC,

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In the Load Test of 3 Phase Squirrel Cage Induction Motor, 2 wattmeters are used. One of the wattmeter deflects in negative diretion during no load. Why?

1 Answers   CAT,

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An 11kv system consisting of an underground cable to a sub station about 300 meters away was shut down for about 10 hrs. On energising, it tripped off on earth fault about 10---20 mins later 6 times but since than it is not tripping.its already 3 weeks now. The SPAJ was found to be fine. what could be the cause.No test had been done to determine the cause of the trippings till now because of demand.

2 Answers  

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Why Power factor is different - different in all three phase of a 3 phase nduction motor.

2 Answers  

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How to test and satisfy the conditions of the vector group YNd1 for power transformer?

1 Answers   Areva,

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why florescent light was flickering?

4 Answers  

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Why auxiliary transformers are not connected in parallel in primary stations?

0 Answers   Adweb,

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What is the differences in phase to phase voltages between star and delta connections of stator?

1 Answers  

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What is the application of Nitrogen Injection system in Transformer Protection?

1 Answers   HPL,

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