Answer / pillay

Can it is allowed and practiced.

What are the Formula of computing Back up Time of 500kVA UPS with 4 Battery Banks, each bank composed of 43 pcs of Batteries 12V150Ah. How to compute the Back up Time of UPS? We have also 3X500kVA UPS running in Parallel same composition as I write above.

0 Answers  

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what are the main Parts of VCB

1 Answers  

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Why selected cable colour red yellow and blue in 3 phase Electrical system?

9 Answers   Crompton Greaves, Essar, Gridco,

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what shoud be strength and weakness to impress interviewer????????

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what is ACB and its function?

3 Answers  

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while selecting transformers for 33 kva feeder normally we ask for 33/433 kv why not 33/415

1 Answers  

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On monitor it is written that current rating is 2.2 Amps. Is it a monitor current drawing capacity or CPU & monitor. If it is only monitor rating, what will be the rating of only CPU and what will be the power consumption rating of PC, Monitor & Scanner? In net, I learnt that computer consumes only 200-300W while running. With the current rating of 2.2 Amps, how it could be 200-300Watts. Please explain?

3 Answers  

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HOW TO CALCULATE EHV CABLE SIZING?

2 Answers   L&T,

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use of automatic voltage regulator & input voltage of it?

1 Answers  

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WILL SCHNEIDER MAKE ACB(MASTERPACT)TRIP ON REVERSE POWER?

0 Answers   Schneider,

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WHAT MEANT BY SEVICE FACTOR?

2 Answers  

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Why is the generator rating always in kVA and motor rating in kW?

7 Answers  

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