Recording and analyzing the July 2 cascading outage [Western USA power system]

摘要: On July 2, 1996, a short circuit on 345-kV line in Wyoming, USA, started chain of events leading to breakup the Western North American power system. Five islands formed with controlled and uncontrolled load shedding, generation tripping, blackout Southern Idaho. The system is operated by companies belonging Systems Coordinating Council, which had peak 1996 summer around 118,000 MW. 2 was third and, until August 10 large-scale failure, most disruptive series breakups. first caused January 17, 1994, Northridge California earthquake. second occurred early morning hours December 14, like originated Idaho Wyoming. Modern computer communication technologies greatly facilitated dissemination information, analysis, report writing event simulation for cascading outage. This article analyzes breakup, relying heavily recordings from portable monitors are installed at key locations serve as primary components wide-area measurement project.