Article View: sci.electronics
Article #21073Re: 220 vs. 110 motor efficiency
From: John L. Shelton
Date: Wed, 05 Apr 1989 05:21
Date: Wed, 05 Apr 1989 05:21
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>In article <3272@ihlpm.ATT.COM> wrv@ihlpm.ATT.COM (Vogel) writes: >>Over the weekend I had a conversation with the local pool supply >>company service person. We got on the subject of pumps, and he asked >>me if my pump was ok, and how it was connected. I told him it was connected >>to 110V (by previous owner), but it could also run at 220. He said I >>should convert it, that this would give a great savings in the power bill. >>So somebody please tell me, is the pool guy whacko, or am I missing >>something? I suspect your pool person was mistakenly thinking of 208v three-phase power, which is much more efficient for motors than single phase as provided by 110v and 220v. I believe the current losses in wire around the house will not make a large efficiency difference in your case. =John=
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ames!lll-lcc!mordor!joyce!zodiac!deimos!jshelton From: jshelton@deimos.ADS.COM (John L. Shelton) Newsgroups: sci.electronics Subject: Re: 220 vs. 110 motor efficiency Keywords: power Message-ID: <7464@zodiac.UUCP> Date: 5 Apr 89 05:21:49 GMT References: <3272@ihlpm.ATT.COM> <1173@oswego.Oswego.EDU> Sender: news@zodiac.UUCP Reply-To: jshelton@ads.com (John L. Shelton) Organization: Advanced Decision Systems, Mt. View, CA (415) 960-7300 Lines: 15