[TowerTalk] Kohler home generator hash?

jimlux jimlux at earthlink.net
Wed Jan 17 10:16:27 EST 2018

On 1/17/18 6:20 AM, Patrick Greenlee wrote:
> Tony, Yes some variable speed motors (vice multi-speed) can cause 
> interference.  I lucked out with my new variable speed one HP air 
> handler and don't detect any interference. Likewise with the other two 
> older variable speed air handlers.  I can't detect a difference in noise 
> with all three running vs none running.

There are a whole variety of ways to do variable speed motors - some are 
done with switching combinations of windings, some are with variable 
speed drives (synthesising sine waves), some are clever schemes using 
variable voltage.

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