Answer / sudhir kumar

trafo mainly step down the voltage from 240v to 24v which is basically used in industry for the temporary supply of flood light , hand lamps etc..

what are frequency changers ? Tell me about commertially availble frequency changers ?

1 Answers   GE,

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what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.

0 Answers  

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what will happen if the secondary of current transformer kept open....

11 Answers  

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if generator is running in iso mode parrallel with grid and suddenly grid breaker off what will happen?

6 Answers   century,

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Alternator couple to diesel engine why, Alternator couple to ac service motor with gear drive for 1500 rpm possible (yes or no) aim to low input power supply give to motor then high output power taken for alternator Please answer this question

1 Answers   Turbo,

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WHY KVAR IMPORTANT WHEN ANY PLANT IS RUNNING ON IT'S OWN POWER PLANT?

1 Answers  

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We have 250 KW x 2 motors, which are load from 25% to 100% varying load in every minute , so how can we compansate the power factor. pl give your opinions on the above subject.

0 Answers  

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in case of OC+EF relay, how the burden is divided/calculated/shared by the CTs in case of normal (healthy condition) and during fault conditions.? three coils of OC & ef coil is conected in residual connection across the three CTS.

1 Answers  

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how to reduce disel generator voltage from 410-60 hz to 380v-60hz

1 Answers  

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what is the differebt between ac and dc fuse?

0 Answers   IBM,

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a 3 phase motor was running with delta connected, suddenly one phase winding got burnt off, what will be the effect ?

8 Answers   Bhel, RRB, SR,

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Why electricity is generated and transmitted at the values of multiples of 11?

3 Answers  

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