TELECOM Digest OnLine - Sorted: Re: 3 Phase Power

Re: 3 Phase Power

John McHarry (jmcharry@comcast.net)
Mon, 13 Mar 2006 02:28:49 GMT

On Sun, 12 Mar 2006 05:32:08 -0500, DLR wrote:

> I studied power a bit 30 years ago in but now my knowledge is a bit
> more limited so excuse any technical mistakes. Here in Raleigh, NC and
> I'm assume other CP&L/Progress Energy locations, they have been on a
> campaign for a while to loop all the 3 phase feeds from the
> substations so there are few if any "ends of runs". I don't know if
> this started due to Hugo & Fran, just happened at the same time, or
> was accelerated due to them.

I am in Wilmington, NC, which is also "Progress" Energy. Dropping
phases is pretty common here, and there is still a pole pig for every
house or two, at least in older areas. Maybe we are less of a priority
than the capital, even though we are on the coast in an area that
seems to Hoover hurricanes.

Looping seems like a good idea, but I know it can cause some headaches
when there is a need to drop power to a segment. I live quite close to
the main hospital and noticed some rather involved switches near
there. Maybe that section is looped and the bad direction can be cut
off. We do have a reputation for early restoration.

Post Followup Article Use your browser's quoting feature to quote article into reply
Go to Next message: John McHarry: "Re: 25 Hz Power"
Go to Previous message: John Hines: "Re: Keokuk Dam & 25Hz Power"
May be in reply to: John McHarry: "3 Phase Power"
TELECOM Digest: Home Page