Answer Posted / jagat

corona doesnot occur in induction motors because for corona to occur it is necessary that a certain p.d must be created between the wires for ionisation of the medium. But in case of induction motors the electrical wirings are insulated from each other thus preventing any corona which would lead to short circuits.

any application of back emf

2069

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with out colour codeing on conductor how can be find what is r,what is b,what is y phases.....

1893

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how much UPS neutral erath leakage current.

3662

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how can i use REF and diffrencial relay both in 1 CT core for transformer protection?

1819

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If any cable burnt how can we identify it burnt by high current of high voltage? 

2396

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Write down the name of 2 lady Bir Pratin of Bangladesh

1845

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How will change the frequency in distribution side?

1741

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can someone explain that how the speed of the protection system affects the fault level calculation?

2019

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how we calculate the short circuit capacity of the busbar in LV & HT?

1034

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What is difference between slip rings and carbon burushes?

14959

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What is signal flow graph?

1053

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how is the magnetic current test is different in delta-star and delta delta transformer.

2129

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1928

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What is a signal flow graph?

1021

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how to check three phase motor torque value?

2300

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