Answer / niranjan

Its braking the motor by reversing the current direction in the circuit, it can be done by interchanging the the two supply terminals, in case of DC and in AC three phase, it can be done by interchanging any two lines of the three lines.

Why the resistance grounding (NGR) is better than Solid grounding?

5 Answers  

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what is the calculation method to design core and winding of a 200kva 3phase distribution transformer?

0 Answers  

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what is the purpose of using battery in dg sets, please specify in details.

2 Answers   Balco,

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why is power supplied in 3 phase only? why not in 2 or 4 phases?

11 Answers  

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what is the value will come when megger the phase to phase ,phase to neutral ,phasae to ground ?

3 Answers  

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what is the meaning of bus bar, in electrical panels.

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22kV HT incoming should be 3 phase or 4 phase? why is it not 4 phase?

1 Answers  

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Why Lighting transformers are used? what will be the current if lightings connected through direct raw power?

1 Answers   BMM,

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name of good resistance material

1 Answers  

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Why annealing is done on transformer core manufacturing process?

1 Answers   ISRO,

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what is the purpose of using filters in a protective relaying scheme?

0 Answers  

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why nutral and earthing wire connect with each other in main panel board.

2 Answers  

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