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Article #249Re: Two phases to house - loss of neutral
From: who where
Date: Fri, 27 Nov 2009 00:25
Date: Fri, 27 Nov 2009 00:25
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2559 bytes
On Thu, 26 Nov 2009 16:46:51 -0500, Van Chocstraw <boobooililililil@roadrunner.com> wrote: >Sylvia Else wrote: >> 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. > >With the exception of some pump motors, nothing in the house runs on >220. Even the stove splits 110 to the burners and 110 to the oven. No >neutral and no 110's to anything. Ummmm ... The O/P is in AUSTRALIA, where the supply is nominal 230V single phase, NOT in Merka like you presumably are.
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