0　引言电能量数据采集系统对提高电网经济运行水平和提高结算精度有着重要的作用。一般来说 ,供电部门主要将电能量数据用于事后结算。主站只需要定期采集电能表或采集器存储的分时电能量数据 ,因此 ,采用拨号通道通常可以满足要求 ,而无需采用实时通道。而电力调度中心需要及 0 Introduction Electric energy data acquisition system to improve the level of economic operation of the power grid and improve the settlement accuracy has an important role. In general, the electricity supply department mainly uses the electricity energy data for the settlement afterwards. The master station only needs to regularly collect the time-shared energy data stored in the energy meter or the collector, therefore, the dialing channel can usually meet the requirement without using the real-time channel. The power dispatch center needs and