一、引言美国和加拿大从80年代初开始在多数电力公司实施“电力最小成本计划（需求侧管理）”，即实施供应侧（电力公司）和需求侧（用户）综合最小成本电力计划。通过计划中的需求例管理（DSM）可调整用户负荷需求时间和水平，来降低电力成本，并同时使用户受益。DSM通常包括 I. INTRODUCTION From the early 1980s, the United States and Canada began to implement the “Minimum Power Cost Plan (Demand Side Management)” at most power companies, that is, to implement the supply-side (power companies) and demand-side (users) integrated minimum-cost power plans. Through the planned demand case management (DSM) can adjust the time and level of user load demand, to reduce the cost of electricity, and at the same time benefit the user. DSM usually includes