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Power Factor Overcorrection Risk


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#1 cobando35

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Posted 22 October 2010 - 07:46 PM

I'm installing static capacitors to correct power factor at the supply, base on our calculations we need a 25KVAr, but we have a 15KVAr and a 50KVAr 480V both, if I install the 15KVAr I will get a reasonable PF correction, but if I add the 50KVAr I will overcorrect. But what are the risk of doing this overcorrection?

#2 jOmega

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Posted 23 October 2010 - 07:18 PM

QUOTE (cobando35 @ Oct 22 2010, 01:46 PM) <{POST_SNAPBACK}>
I'm installing static capacitors to correct power factor at the supply, base on our calculations we need a 25KVAr, but we have a 15KVAr and a 50KVAr 480V both, if I install the 15KVAr I will get a reasonable PF correction, but if I add the 50KVAr I will overcorrect. But what are the risk of doing this overcorrection?



See MarkE's reply to this same question .... click on link below.

Overcorrection of Power Factor




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