Ukiah Daily Journal page 2

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Ukiah Daily Journal page 2 - Computer triggered Saturday power outage j...
Computer triggered Saturday power outage j PORTLAND, Ore k (UPI) — A computer malfunction has been Blamed for electrical outages affecting affecting about 1 million people In six western states, a Bonneville Power Administration spokesman said. '• Bill Murlin said the reason for the malfunction at the main BP A computer at Celllo, Just east of The $alles, Ore., may not be know until late today.. \ Along with Oregon and California, California, Muxlm said there were some itages in Nevada and Arizona ; lasted less than,a minute and e <alao.were minor outages in ' Mexico anil fa Texas, In Men- jCMft ' outages lasted eight muurtes,>^ controlling the " hydroelec- two SOO-kilovolt alternating- current lines running parallel to the direct-current line. Because those lines were loaded, there was an automatic shutdown at a BPA substation at Malin, southeast of Klamath Falls, and near the California-Oregon border, Murlin said. While all three lines were restored within 22 minutes, a domino effect on the power system had begun, he said. "It was just like being at the head end of a tidal wave," he said. Donald Baxter, public information information committee chairman for the Western Systems -Coordinating Council, said the break caused other blackouts throughout the power, grid syptem as automatic safety devices tripped and local uttUtiea switched to other power The, spokesman for the council, systa^n at which coordinates power transmission transmission ior 14 western states, said parts of Berkeley, and Richmond, Calif;, were without power for about Vh hours, while brief outages were reported as far away as El Paso, Texas. Baxter said the outages affected about 500,000 Pacific Gas & Electric Electric Co. customers in Northern and Central California, 250,000 Southern California Edison Co. users, and 10,000 Los Angeles Department of Water and Power ' customers. An estimated 150,000 customers were affected in Arizona, including some in the Phoenix area for up to 90 minutes. A spokesman said the Western States Coordinating System in Utah then took over distribution to prevent a massive failure. Baxter said the automatic circuit breakers and switches that prevent a -massive power system overload worked as designed to prevent a "New York-type" blackout. He said similar incidents occur about two or three times a year. "Sometimes they're a little more serious. Sometimes they're not at all," he said. ; , "Murlin said three power generating dams on the Columbia and John. Day riverssin the Pacific Northwest also shut down during the outages because the. power had no outlets,

Clipped from
  1. Ukiah Daily Journal,
  2. 29 Mar 1982, Mon,
  3. Page 2

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