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cismontguy
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Joined: 29-October 03
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Last Seen: 1st November 2003 - 12:33 PM
Local Time: Oct 15 2008, 11:55 PM
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cismontguy

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29 Oct 2003
Hello and thank you for reading my posting. This is a wonderful web site! I am new to AC/DC motor controls and taking night course in the field right now to learn more.

I have a current project in my shop that is presenting a problem/concern. I have a bank of 56 (8 rows of 7 fans each) 120V, 60 Hzt, .2 A axial flow fans. (computer cooling fans 4-1/2" sq.) Each is individually wired to a terminal strip with 120V 15A coming in.

When I place my clamp on Amp meter I get a reading of like 21A @ start up and 13A at operation. This seems excessively high? My professor says it is due to my need of a Power Factor Correction capacitor(s)?

So is it possible for a novice to determine the correct PFC cap? I saw a program you can download? Any ideas and or constructive suggestions would be greatly appreciated!

CismontGuy
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