Answer / dileep nigam

we perform two test in lightening arrestor for checking the
healthiness.
01 power factor test
02 infrared analysis
possible problem in LA is caused by ingress of moisture

why the rating of dc generator is in kw where as rating of alternator is in kva?

3 Answers  

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Explain the purpose of inductor in an electric circuit?

0 Answers  

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How do you calculate of power factor, if it is lagging or leading for unit(1).

4 Answers  

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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

0 Answers  

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What is meant by operating sequence of VCB : 0–0.3sec.–CO– 3min.-CO

2 Answers  

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What is the Powar consumption of fan low speed to full speed? is it same ?

3 Answers  

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what is the purpose of slope in the differential relay?why we are using two slope?but in busbar differential we are using only one slope.why?

0 Answers  

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If NO contact of relay gets supply from other sources or other part of circuit and at a time relay coil activates,then current will flow in which direction & will it cause to damage relay??

1 Answers  

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What is system earthing?what are the types?

1 Answers   ABB,

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What should be value of Circuit breaker operating time and tripping time?

3 Answers  

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trasformer ratting

2 Answers   Bhel,

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How to calculate the cable size for particular load

2 Answers   Knight Frank,

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