primary of transformer connected to Dc supply in series with switch, and secondary connected on ammeter, what happens when swith On and OFF. (or) if continuously On and OFF

9 Answers  

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what is voltage present between to phases in a three phase motor?

1 Answers  

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In Delta connected capcitor bank, One bank failed due to some problem. Can we connect Open delta capacitor bank to 3 phase motor. The motor voltage rating is 6.6KV. IF yes what changes will happen?

1 Answers  

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In electric motors, according to the no. of compartments, The no. of input's (pantagraph collector's) were increased, why?

1 Answers  

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Differentiate AC and Dc resistance

0 Answers  

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arrange to send solved question and answer its easy to study and understand the thing, because of Exam is to be conducted shortly

1 Answers  

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why the power factor is low at no load?

1 Answers  

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if AVR fails in alternator. what will be the effect.

13 Answers   HP,

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What conditions are required for a transformer to operate at low frequencies ?

1 Answers  

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if 20 hp motor starts directly delta connection.motor what will be the effect.

3 Answers   HP,

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Residual voltage & residual current used in which protection?

5 Answers   Qatar Gas, Reliance, Transformers and Electricals,

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when transformer in load condition neutral earth testing wheater we can do it or not

1 Answers  

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