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Article #286Two phases to house - loss of neutral
From: Sylvia Else
Date: Tue, 24 Nov 2009 00:10
Date: Tue, 24 Nov 2009 00:10
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I have to phases of power supply to my house - so three power lines, two phases plus neutral. I've on occasion wondered what would happen if we lost the neutral line. It seems to me that we'd then have the voltage between the two phases across two sets of appliances, one set attached to one phase, and the other set attached to the other phase, with the two sets in series as a result of their common connection to the neutral wire. Since the two sets are unlikely to represent equal loads, the net result would be a large overvoltage on one set of appliances. My electrician says it's not an issue, but I can't see why. Any thoughts? Sylvia.
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X-Google-Thread: a5a6238865,dcb8eebd9233b785,start X-Google-Attributes: gida5a6238865,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news1.google.com!news1.google.com!npeer02.iad.highwinds-media.com!news.highwinds-media.com!feed-me.highwinds-media.com!news.glorb.com!news2.glorb.com!news.astraweb.com!border2.newsrouter.astraweb.com!not-for-mail Date: Tue, 24 Nov 2009 11:10:26 +1100 From: Sylvia Else <sylvia@not.at.this.address> User-Agent: Thunderbird 2.0.0.23 (Windows/20090812) MIME-Version: 1.0 Newsgroups: sci.electronics.repair,aus.electronics Subject: Two phases to house - loss of neutral Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Lines: 16 Message-ID: <0083b31e$0$1587$c3e8da3@news.astraweb.com> Organization: Unlimited download news at news.astraweb.com NNTP-Posting-Host: 38c1b594.news.astraweb.com X-Trace: DXC=<T329PVR7UiJRZZkg^aP1jL?0kYOcDh@j]WEZ@Q1WnGelBG8SDhF5om[P0O7cFK0oiAJO\4<m0V`hTVA5?8ki?YdcT4]YMo4W`k