2BILUNTON R. WANG P. Reliability-network-equivalentapproach to distribution system reliability Evaluation[J].IEE Proc.Gener. Transm. and Distrib,1998, 145(2): 149-153.
3BILLINON R,JONNAVITHULA S. A test System for teachingoverall power system reliability assessment[J]. IEEE Trans,on Power Systems, 1996, 11(4): 1670-1676.