North American Network Operators Group
Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical

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

  • From: Jon Zeeff
  • Date: Wed Dec 09 10:09:12 1998 
> 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.