[time-nuts] Power glitch - Sat morning

[Robert LaJeunesse]

There's usually three wires feeding one's house. It's quite possible for just one of them to have a bad connection. If you are really unlucky the neutral will open, and overvoltage/undervoltage many appliances. The resulting fire cost a friend over $10K to repair and replace damaged appliances.

> Sent: Tuesday, March 31, 2020 at 11:26 AM
> From: "Bob kb8tq" <kb8tq at n1k.org>
> To: chris at chriscaudle.org, "Discussion of precise time and frequency measurement" <time-nuts at lists.febo.com>
> Subject: Re: [time-nuts] Power glitch - Sat morning
>
> Hi
> 
> I agree that it shouldn’t be something that happens. That’s why half the house
> going dark was a bit weird …..
> 
> Bob
> 
> > On Mar 31, 2020, at 10:53 AM, Chris Caudle <chris at chriscaudle.org> wrote:
> > 
> > On Tue, March 31, 2020 8:28 am, Bob kb8tq wrote:
> >> If you have a two phase circuit, are both phases of interest?
> > 
> > If you are referring to residential power, a single how would be single
> > phase center-tapped, as far as I know you never get two phases to a single
> > residence.  The houses in a neighborhood may be split up among a high
> > power three phase feed, and an industrial facility will have a three phase
> > feed and have to balance the loads within the facility, but  house wiring
> > all assumes single phase (either half of the transformer secondary for
> > 120V loads, or across the full winding for 240V loads).
> > 
> > With that design I would expect there to only be as much difference
> > between the two legs as  you have difference in loading between the two
> > halves of the transformer winding, since they share a common primary.
> > 
> > -- 
> > Chris Caudle
> > 
> > 
> > 
> > 
> > 
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