9U.S.-Canada Power System Outage Task Force. Final report on the August 14, 2003 blackout in the United States and Canada: causes and recommendations[R]. 2004.
10Tan J C, Crossley P A, Mclaren P G, et al. Application of a wide area backup protection expert system to prevent cascading outages[J]. IEEE Trans on Power Delivery, 2002, 17(2): 375-380.