[time-nuts] Power glitch - Sat morning

Bob kb8tq kb8tq at n1k.org
Tue Mar 31 15:26:05 UTC 2020


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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