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.

what diferent amoung three phase supply?

1 Answers  

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Please explain me abt PQ diagaram in the power sector.

0 Answers  

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why we measure output of transformer in kva?

1 Answers  

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voltage at generation stage is usually- ? a.11kv b.33kv c.66kv d.220kv

12 Answers  

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what is the function of short circuit maintenance ct and droop ct.

1 Answers   L&T,

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why the rotor is outside in case of ceiling fan?

1 Answers   HCL,

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diff between synchronous gen and alternators

1 Answers  

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WHAT IS THE difference betwwen LT CABLE AND CONTROL CABLE

5 Answers  

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how we can calculate earth fault current?

1 Answers   Alchemist,

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what is phantom load, Give any example

2 Answers  

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What is T’Q and X’Q and X’D ? and what is saturated as well as unsaturated ?

0 Answers   XX,

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can u light up bulb with out useing neutral

12 Answers  

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