[TowerTalk] Kohler home generator hash?
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
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