Answer / hcnaidu

Output Power/Input Power*100

Answer / bhavana

%eff=(output power)/(input power)
=(output power)/(output power + total losses)
=(output power)/(output power + iron loss + cu loss)

neutral carrying current more than phase in 3phase supply.i want to know the reason?

2 Answers  

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What is thermal relay and how it is works in transformer please explain

2 Answers   Future Group,

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What will be cross section area of copper conductor for carry 2000 amps & 2500 amps....sq.mm.?/

3 Answers  

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What is electrical earthing?

1 Answers  

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how encoder works?

1 Answers   ITC Infotech,

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How to find the voltage drop for short,medium,long transmission lines of a 33kv sub-station?

1 Answers  

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in what type of applications v can use q meter?

0 Answers  

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respetsed sir, i have applied for section engg and juniour engg for both chennai and tiruvunabthapur boards for electrical deportments . can u suggest what books i have to follow and and also from which sections they r going ask (i mean weightage and what topics i have to cover) for both se and je for both chennai and tiruvunanthapur boards.......

1 Answers  

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difference between Ac and Dc mcb ????

0 Answers  

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i want to know d working mechanism of tafe tractors next i like to know d engine type of apache bighs can anyone help me

0 Answers  

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why we generate 11kv power supply in generating station?

1 Answers   DBG, NTPC,

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Proviiding the Dedicated N earth and individual Body Earths ,Finally these all looped /Now my Question :- will it not harm in case of Transformer Fault current flows in Dediacted N Earthing to Looped Body Earthing.

0 Answers  

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