0引言当前我国电力供需形势是:2006年供需基本持平,2007年后,开始出现富裕。今年我国电力供应已趋于供大于求,但随着产业结构调整逐步到位和人民生活水平的快速提高,电网峰谷差将持续加大,其中空调负荷起主要作用。北京、上海等地峰谷差已达40%～50%。以电力负荷管理系统为技术 0 Introduction At present, China’s electricity supply and demand situation is: supply and demand in 2006 basically the same, after 2007, began to emerge wealthy. This year, China’s power supply has tended to oversupply, but with the gradual adjustment of industrial structure and the rapid improvement of people’s living standard, the difference between peak and valley of the power grid will continue to increase, of which air-conditioning load plays a major role. Peak in Beijing, Shanghai and other poor has reached 40% to 50%. Take power load management system as technology