Answer Posted / sibananda jena

For starting the engine, and for excitation voltage for the
alternator.

Dear All we are having a problem in G120 BOP showing alarm A0503, F0052, F0060 we can not remove fault alarm ,Please any body help us. kowsar

1920

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Why auxiliary transformers are not connected in parallel in primary stations?

1466

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why do you add the load short circuit impedance when considering short circuit amperage. It seems that you should only consider supply. If you need to consider loads and you don't know what loads are to be added , what would be a good sub-transient reactance rating for the loads?

1837

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Why power factor should not be in leading (capacitive) mode of any load.

7137

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What is trip and closing coil in cb? Why need of them

1593

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what is the voltages using in movie theaters??? why ??why not other??

2363

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could anybody able 2 send me jindal steels previous papers fr electrical steam....pls send 2 my id if possible....sirisha.shaik@gmail.com

2135

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what is the difference between directional & non directional earth fault with example please explain.

1894

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why +24 v and -48 v give to BTS? If -48v protect from surge then why we not use -24 v?

1892

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15hp motor wound by 0.9mm & 0.95mm magnet wire. at no load test it draw 4.2A current. Another motor with same condition draw 9.2A current. How can that occur? pls help

1622

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what is the earth current,reverse power,electrical trip generator short circuit,low voltage, high voltage please discribe me

2174

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what is upper impedance and lower impedance of a distance relay

2081

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What is the minimum distance to be maintained in between HT panel and LT panel and Instrument panel as per IEC and NEC standards?

1785

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write down the formula of cable size in RM if current is 50Amp.

1377

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Explain the different methods used in the choice of rotor slots for reduction of harmonic torques in an induction motor.

2078

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