[time-nuts] 60 Hz measurement party
WB6BNQ
wb6bnq at cox.net
Sun Jun 26 23:29:59 UTC 2011
Sorry,
I guess the blue color did not come through.
OH WELL !
Bill....WB6BNQ
WB6BNQ wrote:
> Will Matney wrote:
>
> snip
>
> As of now, the only 3 phase lines around here are close to the major
> roads where business resides, but when you get into the residential
> areas, it's only single phase on the poles.
>
> Best,
>
> Will
>
> Will,
>
> I am going to have to disagree with your statement above (in blue). In
> residential areas the top three lines are 3 phase and, typically, 4
> KV. Yes, only single phase is routed to homes as 220 volts center
> tapped via a transformer. AND, you will also see three (3) 220 volt
> lines at a lower level on the poles feeding the houses grouped for that
> transformer. Depending upon routing, there may be small runs that are
> stringers from a transformer where only the 220 volt wires are run, but
> only because there was no intent to continue the 4 KV bus in that
> direction.
>
> The reason for the 3 phase is to balance the load to the substation.
> That is the transformers are spread out along the path and connected
> (single phase) alternately across different phases.
>
> At least that is how it is done out here on the West Coast ! I realize
> there may be exceptions in really old areas of the country,
> particularly along the East Coast.
>
> I am located in San Diego, CA area. What part of the country are you
> in ?
>
> Bill....WB6BNQ
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