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From: Sam Goldwasser
Subject: Re: Microwave oven from 110V to 220V
Date: 10 Oct 2002 08:02:30 -0400
Organization: University of Pennsylvania
X-Newsreader: Gnus v5.7/Emacs 20.4
email@example.com (N. Thornton) writes:
> "Phil Allison" wrote in message news:...
> Good point Phil. Add the fan running 20% slower into the mix. Bear in
> mind that wicrowave trannies even in normal use overheat in 15
> minutes... as well as your point that they're already saturating...
> and on 50Hz you'll have a real mess!
The cooling fan uses a squirrel cage motor which have a lot of
slip. While the field will rotate at 5/6ths the speed, there will
be more current through the windings. So I wonder if the speed will
really be 5/6ths of that on 60 Hz or somewhere in between?
--- sam | Sci.Electronics.Repair FAQ Home Page: http://www.repairfaq.org/
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