Answer Posted / muhammad ali

Shunt field coil more number of turns with smaller cross section
Series field coil Less number of turns with larger cross section

why the earth is taken minimum in supplying? wather it the proportional factor to getting work any equipment or a power plant?

1880

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why high speed tripping relay is used in protection circuit why not normal relay

1474

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Hi I'm doing my MBA(3rd semester).I applied for the post of ET conducted by BHEL the last year.I cleared the written and lost in personal interview.Again I wrote the exam this time and cleared the written n yet to take the personal interview.Shall I disclose in the interview about my studies.What shall i say if they ask about my change from studies to job

2154

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What the difference between three phase contactor (coil 110vac) & three phase SSR (control voltage 110Vac)? May I use contactor in place of SSR?

2158

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can any one tell me about the Extra low voltage systems?From where we give supply to these type of systems??

1899

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why we change the direction of winding in rotor ?how we make the north and south pole?

2038

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neutral earth resistance testing is it possible for transformer while in load condition

1939

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State the factors, for the choice of electrical system for an aero turbine.

1162

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I have 4 DG set with 1500KVA rating. system breakers are 11KV & alternator are 415 Volts. Between alternator & breaker one stepup transformer used. i want to Know what is max. resistance for body earthing & 415 & 11KV V Neuteal earthing. my fault current is 14 times for 2 sec.

2264

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what is the relation between size of the anteena and wavelenghth of radiated wave

2170

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11 kv input, 66 kv input advantages

1385

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lorteny method

1994

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What is power in wattage of 8.5 TR AC

1648

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what will happen if i connect 12 volt battery with 24 volt battery charger.

1891

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how to measure earth resistance of a substation

3314

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