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Power Factor Correction Capacitors

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#1 bhavlo


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Posted 02 November 2009 - 04:21 AM

I am interested in building up several power factor correction capacitor banks. We have several blower units that have poor power factor and we have experimented with adding a range of 10 to 15uf of capacitance and it has dramatically improved our power factor. I want to design a capacitor bank on a PWB to make the installation really simple.

I need to find a good affordable source for the capacitors so I was hoping someone here could make a suggestion? I can't spend $2 or $3 dollars on each cap, I am hoping to find them for under $1, any thoughts would be appreciated.

Also I have been using Metalized Polypropylene caps and was wondering if there was a better type to use?

#2 marke


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Posted 10 November 2009 - 07:43 AM

Hello bhavlo

Welcome to the forum.

I would strongly recommend that you use capacitors that are designed for power factor correction. These will be a self healing type designed for continuous operation on AC voltages.
I do not expect that you will be able to purchase these for $1.
Good luck,
Best regards,

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