Answer / annu singh

power factor is cosine value of angle between voltage and
current. is represents that votage is leading /lagging from
current or not.

Answer / tiger

PF IS THE RATIO OF ACTIVE POWER TO APPARENT POWER.

Answer / biswa

Pf is the co sine angle between voltage & current,it depends on kind of load ,if the angle is more gen "ll hv more current(actual +reactive current) un necesserily(kvar),which means same load more current,causes overheating of d/g,in case of comparatively less load over current trip will occur.

i am venkat i got gre 930(verbal 270 quanta 660) and my toefl score 105..here question is why u got less score in gre ? what i supposed to tell...any chance of rejection is there...my accadamics record is very good

0 Answers  

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how electrical earthing maintenance done in industry?

0 Answers   L&T,

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What will be the full load current of 60KVA UPS. Suggest for this formula.

8 Answers   ABC, Sodexo,

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What is the technical difference between IS:1554 and Indian Railway IRS:S63/2007

0 Answers   Indian Railways,

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why we use perllel conection system in the wiring?

4 Answers   Airtel,

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how to calculate short circuit calculation of the transformer by usuing the percentage impedence? formula needed.

2 Answers   L&T,

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In hydro plant,generally we install vertical hydro generators..why dont we recommend horizontal one??

1 Answers   Alstom,

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1 HT service how many LT Service

1 Answers  

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how we calculate the 30 KW 3phase electric motor current on noload

23 Answers   Monnet, Siemens, SSR, Supermac Industries,

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Can anybody tell me what the breakdown voltage is for air and what it is for transformer oil please?

4 Answers   Pooja Cables,

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whatdo mean by chopper fed drives.used for ac drives.

0 Answers  

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What is the purpose of SOTF being used inspite of distance Protection given?

7 Answers   Alstom,

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