In this dissertation topics of optimal meter placement and transaction-based loss allocation in deregulated power system operation are investigated. 电力系统发生紧急事故时,调度人员常依据保护电驿及断路器动作的记录资料,来判断系统发生故障的区域与元件,建立一套完整的故障侦测与复电系统,不仅可以增加调度人员处理与排除故障的能力,并可以快速得知整个系统的复电策略,以缩短停电时间。