Answer / k.prakashchandra

Back up time is decided by batteries and the load.The
formula is simple. B/U time in hrs = stored energy in
batteries (AH x V(both of each battery) X Number of
batteries)/Load in Watt

can SMPS work in DC supply ?

10 Answers   HCL, IBM, Reliance,

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how much rating of fuse and MCB should be used for a load consisting of 6KW and 18KW inductive load?

1 Answers  

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What is the basic principal, by which DC voltage level is increased more than the supplied AC voltage during conversion. As upto AC level it is contorrled by firing anlge but after maximum level how is it possible.Please clear picture. OR we have to supply the higher level AC?

0 Answers  

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Hello friends, Can anyone explain the concept of zones in Bus bar protection and how can we differentiate the main zone and check zone in Bus bar protection

1 Answers   ABB, NCC,

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Why we are use dol starter up to 10 hp

0 Answers  

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what is high and low cut off voltage of BB and DG at SPS????????

0 Answers  

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HT motors are generally connected in star, what will be the effect if we connect HT motor in Delta?

6 Answers   Equate, Ion Exchange,

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hello everybody. please tell me the function of transformer bushing,s. i heared somewhere that it saved transformer winding from sky electricity. please tell me if that is right then how it work,s. Thank,s.

2 Answers   3EEE,

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why Lightening Arrester Probe sharp at Top of telecom tower.

0 Answers   Reliance Jio,

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what is significance of B-H curve? how it differs form ordinary transformers to Amorphous Transformer?

2 Answers   BARC,

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If we touch the Capacitor terminals you feel shock after the capacitor was put in operation and not in case of inductor though both are energy storage elements.why?

4 Answers   HAL,

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Why machines are avoided to work is saturation region of B- H curve?

3 Answers  

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