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.

why the name trunking bus PT

0 Answers   Siemens,

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What is the end effect of linear induction motor ??

0 Answers  

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is IS says that neutral should be brought to switch box. and this one is a recomended practice

0 Answers   Sterling Wilson,

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Sir, I completed DEEE... And now I working in TNEB for one year apprenticeship. If I eligible for applying c license and how can I get?

1 Answers  

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State the other types of Air Conditioners?

0 Answers   HSL,

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What is the general power consumption rating of CPU CRT type and Flat type, Monitor,Printer, projector, Scanner?

0 Answers   HAL,

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which mm cable should be used for 1.hp immersible pump motor for the distance of 330 metres?

0 Answers  

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4-Why we measure the insulation resistance of main core and frame in spite of that must be connected with ground before energize the transformer?

3 Answers  

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how do i calculate voltage drop-if length is 1000 meter,amps is 160a

1 Answers  

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why do we use 25kv supply for traction purpose

1 Answers  

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power transmission pole used one support , that only for support or earthing

0 Answers  

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Why iron core transformers not used in high frequency applications ?

3 Answers  

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