Answer Posted / ibrahim+8801671121852

lighting arrester is used mainly for balancing the voltages
of any building. when lit comes from the sky the voltages of
any houses is rises. to aviod this rising voltage we used
lighting arrester. but if it passed 3.3kv it doesn't work.
or it would be burned.

hi I have done 3 yrs diploma in electrical engg after 10+2. I have 16 years of work experience into design proposals sales and engg application development in LV/MV swithcgear and sub station automation field. I want to apply for immigration to new zealand but I am not sure whether I qualify or not since I dont have a degree. Can anyone advice? Thanks Riz

2269

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what will be project cost for 100 kv transformer connection under oyt scheme.

2922

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WHAT IS THE DIFFERENE IN ACTION OF MCB,MCCB,RCCB

2418

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what is the importance of earthing system on the generators big capacity and small?

1774

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in battery charging room we find two fuses (one in positive other in negative cables ).why it is so?one fuse is ore than sufficient?

2250

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Is a d.c.compound motor is use as a booster? how?

2128

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Why the earth to phase voltage is high 250 compare to other two phases

1509

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What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?

2084

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Can i use the B-curve MCB instead of C-curve MCB

2018

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What is rotating magnetic field?Discuss elaborately.

2638

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How the circuit breaker is selected for Induction motor of 100 kW, 415 volt, 0.85 power factor, 0.95 efficiency ?

1605

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What is the actual meaning of thermal power efficiency ?

2155

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what is mppt (maximum power point tracking ) and how they used in solar power generation ??? what are the main components used in mppt?????

3307

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why booster transformer is used in sumpners test conducted on transformer????

3569

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can the measured percentage error during calibration of single phase energy meter be negative?

2397

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