What is the Effect of carrier frequency VFD - CNCzone.com-The Largest Machinist Community on the net!

nikodell · #1 10-07-2009, 09:05 PM

What is the effect of carrier frequency adjustment on VFD controlled 3~ motor?

nikodell · #2 10-08-2009, 04:42 AM

http://findarticles.com/p/articles/m...7/ai_64690215/

Karl_T · #3 10-08-2009, 05:56 AM

interesting article. I had installed a VFD on my apple packing line. The squeal was untolerable. It was an old unit with no carrier frequency adjustment. I'm going to shop eBay for a newer one.

nikodell · #4 10-08-2009, 06:29 AM

Best prices I have found is Factorymation.com they have also shown great support when needed with a motor that was damaged in shipping.

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