Please tell me what is the difference between online UPS & OFF line UPS?

2 Answers   HAL,

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In a large office how do we calculate required number of light fittings, assuming fittings are 4x18W or 2x36W fluorescent fitting ?

0 Answers  

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Why we are using LA Rating 10kA in 66 kv substation

1 Answers   L&T, NMDC,

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what is the burden?accuracy?Knee point voltage? what is the Alternator of PGM?

0 Answers   L&T,

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what are the dimensions for 200 kva transformer plinth (plateform),in which pcc m20 is used..

1 Answers   UPPCL,

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what is the difference between arc and spark

2 Answers  

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why usa use 60hz and 110v?

2 Answers  

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What are the different circuits in thermal power plant?

0 Answers  

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What is the function of NER and NET?

0 Answers   Asian Paints, GHH RAND,

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how am i achived model paper to prepratio for bhel exam

2 Answers   Bhel,

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how desiel generate sart fail of eb?

0 Answers   OPG, Wipro,

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How can we calculate the transformer rating if the load calculated is 1000KW (11Kv Supply)?

0 Answers  

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