This didn't make it to the list the first time. Doh!
-----Original Message----- From: jzeeff@verio.net [SMTP:jzeeff@verio.net] Sent: Wednesday, December 09, 1998 9:04 AM To: SEAN@SDG.DRA.COM Cc: nanog@merit.edu Subject: Re: POWER: San Mateo/San Francisco power outage report
breakers on the substation. It also caused a cascade effect, tripping the Hunters Point and Potrero power plants.
grid primary power sources. Aside from the human error, the system worked "as designed to protect the rest of the grid."
I suggest that causing a cascade effect and increasing the area of an outage isn't a good way to design a system.
If you're interested in finding our more about how the power grid is operated, my company has a lot of operational info documented on the web. It's scope is the operation of the interconnected grid in the mid-Atlantic region of the US (PA-NJ-DE-MD-DC-VA). The concepts and procedures documented there are probably very similar to the ones used on the west coast (YMMV, I'm a networking tech not a power systems engineer).
All of our Operations Manuals are available at: http://pubs.pjm.com
Of specific interest might be: Emergency Operations http://pubs.pjm.com:80/dynaweb/PJMpubs/m13/@Generic__BookView and Transmission Operations http://pubs.pjm.com:80/dynaweb/PJMpubs/m03/@Generic__BookView
Chuck Conway Network Management PJM Interconnection, LLC conway@pjm.com