Re: Two phases to house - loss of neutral - Article 282 - go-pugleaf

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Re: Two phases to house - loss of neutral

#282

From: Baron
Date: Tue, 24 Nov 2009 22:36

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Meat Plow wrote:

> On Tue, 24 Nov 2009 11:10:26 +1100, Sylvia Else
> <sylvia@not.at.this.address>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.
> 
> Removing the return leg isn't going to cause problems in a properly
> wired US home. Don't know about the UK.

The lights would go out !  Domestic properties usually have just a 240v
single phase feed.  Usually you would get a single phase running down
one side of the street and another phase running down the other.

-- 
Best Regards:
                     Baron.

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From: Baron <baron.nospam@linuxmaniac.nospam.net>
Newsgroups: sci.electronics.repair,aus.electronics
Subject: Re: Two phases to house - loss of neutral
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Date: Tue, 24 Nov 2009 22:36:15 +0000
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