explain the process of commutation in a dc machine. Explain what are inter-poles and why they are required in a dc machine.

0 Answers  

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explain the existence of reactive power in electrical engg?when it generates?

1 Answers  

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What is hysteresis losses?

2 Answers   GMR,

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In parallel operation time both NGR’s close or not close if both close what will happen

0 Answers  

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What happen when switch yard one pole not tripe when you tripping the breaker

3 Answers   Adani,

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why using transformer and thyristor switch in 3 phase apfc panel

0 Answers   Reliance,

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why use celling fan wing is two or three ?

2 Answers  

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For electrical designers what are the standard should know? i want learn about this standards. how to get information/reference. anybody help in this regards please.

0 Answers  

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Transformer rating=> 15/20 MVA.Why there are two raings? What should be the rating of the fuse at the secondary if the voltage level is 13.8KV/4.16KV?

1 Answers   Bhel,

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How does a 3 phase induction motor is started?

3 Answers   IOCL,

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How to convert KV into MV in a Transformer?. dont say multification of 1000.pls give practical convertion factor.

2 Answers  

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Which type of arc protection devices used.

2 Answers   KSEB, L&T, Siemens,

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