Difference between Profibus DP/PA?what does it stand for and how is it use in process?

1 Answers  

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one KVAR takes how much amps, and how to add power capacitors to electrical panels, for example if one of the MCC drawn 800amps means how much KVAR required

1 Answers  

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HOW TO CALCULATE LV CABLE SIZING?

2 Answers   L&T, MRF,

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which of the folowing has negative temperature coefficient of resistance? a. mercury b. copper c. lead d. carbon

2 Answers  

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What is meant by directional power and reverse power relay ?

1 Answers   HAL,

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What is the formula that shows relationship between voltage and speed in an induction motor

2 Answers  

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How will you Physically differentiate A.C and D.C motor?

10 Answers   BSNL, Polycab,

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why is used for starters for staring motors?

6 Answers   Amrapali, L&T,

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How much current does a motor take in no load condition?

6 Answers  

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What is “pu” in electrical engineering?

0 Answers  

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what is the difference between earth and neutral.

9 Answers   DLF,

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Hi, I'm running plastic reprocessing company where all motors are running only in delta. Due to that when I use start my 30 hp motor my transformer gets fuse. Where it happens two times a day. I gt a suggestion from a person about Automatic Power Factor Controller APFC. Is it useful for my problem??? Or is der any other way for solving this problem?? Upgrading the transformer is difficult. Pls give Me ur suggestion. Waiting for ur reply.

2 Answers   Shree Lingaa Polymer,

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