![sreekant](https://www.crazyengineers.com/img/avatar.jpg)
Member • Dec 2, 2008
Member • Dec 2, 2008
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Member • Jan 11, 2009
Adding to above post...sreekantwhy is the power factor needed in ac circuits and hence its correction?-explain to a beginner.:sshhh:
Member • Jan 11, 2009
Member • Jan 12, 2009
Hi Saurav,sauravgoswamiTo make things simple,losses in AC is more than DC.power factor is one of the ways to monitor the loss,AC is preferred over DC since it is cheaper and easier to generate compare to DC
Member • Jan 12, 2009
Member • Jan 12, 2009
No doubt our system gets improved with good power factor. But I have a doubt on improving losses... bcoz if we improve P.F., we install capacitor banks which draw extra current from the system.sauravgoswaminothing as such,but ofcourse we check the health of our system and maintain it at a right time,thus decreasing the losses.pls correct if i am wrong
Member • Jan 12, 2009
We can minimize reactive losses by improving power factor.ashuashiHi Saurav,
Does this mean... We improve losses by improving power factor, adding capacitor bank to our system? 😲
Member • Jan 12, 2009
Member • Jan 12, 2009
May I beg your pardon please... Condensers are capacitors only. Yes we can also improve power factor by over-excited motors but not induction -- They are synchronous motors.frodo.rokWe can minimize reactive losses by improving power factor.
And we can do that by adding capacitor bank of course.
But we generaly choose a moderate value of power factor becuase of cost associated with adding capacitors.
We can also improve power factor using condensers or overexcited induction motors.
Member • Jan 14, 2009
Member • Jan 14, 2009
Member • Jan 14, 2009
Member • Jan 15, 2009
If Synchronous motor runs in over excited condition, it draws leading power factor from the system. Hence if there are synchronous motors installed, can be used to improve the p.f. if run in over excited condition.vasanthmbssynchronous motor will not control power factor ........ it is totally depends on transmission and distribution at last to load......
Member • Jan 15, 2009
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Member • Jul 25, 2011
Member • Jul 25, 2011
Member • Jul 25, 2011
2592sanjuPF is reduced by inductors and caps so whats the real use of inductors and caps
Member • Jul 25, 2011
llourdujeyarajwhy is the power factor coming in picture in ac circuits
Member • Aug 5, 2011