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Article #247Re: Two phases to house - loss of neutral
From: Van Chocstraw
Date: Thu, 26 Nov 2009 21:46
Date: Thu, 26 Nov 2009 21:46
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2437 bytes
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.
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