[22133] in North American Network Operators' Group

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Re: POWER: San Mateo/San Francisco power outage report

daemon@ATHENA.MIT.EDU (Jon Zeeff)
Wed Dec 9 10:08:45 1998

To: SEAN@SDG.DRA.COM (Sean Donelan)
Date: Wed, 9 Dec 1998 09:04:27 -0500 (EST)
Cc: nanog@merit.edu
In-Reply-To: <981208230430.1e6de@SDG.DRA.COM> from "Sean Donelan" at Dec 8, 98 11:04:30 pm
From: jzeeff@verio.net (Jon Zeeff)
Reply-To: jon@zeeff.com


> 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.


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