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To: Manzanillo who wrote (15469)	4/25/1998 11:13:00 AM
From: tony 890	Respond to of 31646

Wow! Very interesting. Thanks, George.

To: Manzanillo who wrote (15469)	4/25/1998 11:20:00 AM
From: H-Man	Read Replies (3) \| Respond to of 31646

Along the same line of utilities... My wife is a y2k project leader for a utility co that you would recognize. They tried a test on a thermocoupling about 2 months ago. In an off peek hour, they simply changed the date to 12/31/99 23:50 to see what would happen. (yeah unbelievable) Shut down 1/3 of the plant. As it turns out, the thermocoupling was averaging temperature over time. Spikes in temperature are common so the only valid way to monitor is to average it. The system assumed an overheat status and shut down th generator. Other generators attempted to pick up the slack, but the relay cascaded because of overload. Only took 1/2 hour to recover but you get the picture. At least they are aware of it now.

To: Manzanillo who wrote (15469)	4/25/1998 2:31:00 PM
From: jwk	Respond to of 31646

Here's a little peek from the past of the kind ofthings that can happen with power glithces. Intel shutdown by power company software bug >From April 9, 1996 Albuquerque Tribune: Computer-chip-manufacturing operations at Intel Corp.'s Rio Rancho plant were back to normal today after a five-hour power failure, the company said. Intel Corp. spokesman Richard Draper said today that Monday's power failure, which ruined an undisclosed number of chips, including some of the plant's Pentium microprocessors, was caused by a malfunction of Public Service Company of New Mexico software. "For business reasons, we're not going to provide exact numbers as to the product loss from the shutdown," Draper said. "However, the power outage won't have significant impact on Intel or its earnings. It's expensive, but again, it's not a significant impact on our bottom line." Draper said the power failure occurred about 9 a.m. Monday; full power was restored about 2 p.m. Monday. Intel evacuated about 600 workers during the outage because of dark and potentially unsafe working conditions. "The PNM people told us it was a glitch in a switching system," Draper said. "The original glitch lasted a few seconds, but we waited to start operations because we were uncertain about what happened and wanted to make sure we could restore full power." Draper said PNM's apparent software error is believed to have caused the wrong circuit breaker to open at a substation, incapacitating three of six transformers. Karin Stangl, a Public Service Company of New Mexico spokeswoman, said power was restored after about a minute, and she could not explain the longer problem at Intel. Stangl said PNM and Intel are investigating.