Buzzing from outside AC unit - outside fan is running

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On 7/19/2010 7:37 AM, Meat Plow wrote:

There was a whole article in an EE magazine about converting AC contactors to DC to prevent the buzzing which can cause overheating of the contactor coil.
TDD
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On Mon, 19 Jul 2010 10:49:54 -0500, The Daring Dufas wrote:

Makes sense. Gap causes eddy currents I suppose. Same things apply for transformer/inductor core design.
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