Answer Posted / sunil parmar

more current discharge in big & thick earthing pin and also, you can fix the top,first big & thick earthing pin in contact position so,any abnormal condition occur between phase-neutral ,its ground first.

battery capacity use of made?

2520

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at which voltage level arcing ground is occurs ??????????

2033

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how we can explain arc heatng?

1910

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I want the details about BHEL company examination.Can anyone able to help me please.

2036

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why we are not giving the zone 1 trip command to the master trip relay

1718

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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?

1784

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A Generator is in running condition and Rotor earth fault alarm is coming.How to check on line(i.e in running condition) whether there is actual earth fault in rotor or not.

1933

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which cable is used for 15 Hp monoblock pump 3phase and service wire Distance is 210 feet please tell me cable size Armaured

1572

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I am a electrical engg. diploma holder,applied for junior engineer (electrical),Kolkata RRB. Have I to attend all electrical,mechanical&civil portion in written exam.???

15618

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

1403

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how to carried out tan delta test in 11 KV alternator ?

3052

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Please clarify 1. Icw: rated short circuit working withstand capacity 2. Icu: Rated ultimate breaking capacity 3. Ics: Rated service short circut withstand capacity 4. other specification of ACB

2719

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Why synchorised generators are used for the production of electricity?

1167

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How to decide DO set rating of Transformer?

1644

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2. A current i=(10+10 sin t)amperes is passed through MI type ammeter. its reading will be.........

2315

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