what is the reason the main breaker is trip during the motor is running? (some time the breaker is not trip)

0 Answers  

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if the back emf eqution for dc motor EB=(QPNZ/60A) THEN what is the value of A for PMDC MOTOR OR how can dicide the value of "A"

2 Answers   BSL,

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What is the use of arc chute in ACB?

7 Answers   lenovo,

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why we step down voltage level from 33kv to 11kv and 11kv to 415v.Instead we can step down voltage from 33kv to 415v directly using single transformer?

3 Answers  

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What will happen if DC supply is given on the primary of a transformer?

6 Answers  

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what happens to a turbo alternator if it get trip and 1 out of 3 poles of circuit breaker in close condition

1 Answers   wbsedcl,

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What is the operating principle of turbo-generator.

0 Answers  

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what is the difference between LLL and LLLG fault ?

1 Answers  

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In a star-star connected h.t transformer why we use NGR on the secondary (l.t)side.

3 Answers   Star, TATA,

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Consider three heater bank connected in 3 phase star with neutral.Each heater bank connected in each phase.So each phase get 230 volts supply.my question is,during balance condition, current flow in neutral or Not

0 Answers  

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If two generator running parallel, at that condition both ngr Taken in line or taken any one ngr, but why any one or both Ngr in line? Ngr is use for which purpose?

3 Answers  

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How to measure size of cable on a given load

0 Answers   Green India Engineering Solutions,

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