分析了利用地理信息系统(GIS)技术对水轮发电机组流量特性曲线进行数字化的必要性和可行性,介绍了数字化方法所采用的软件及其使用方法,重点提出了数字化的方法和详细流程,最后以实际机组的流量特性曲线为例进行了数字化。与传统数字化方法比较,该法具有高效率、高精度的优点,并可以灵活、快捷的提供任意精度的数值列表,能满足水电站自动化、精细化运行的要求。 The necessity and feasibility of digitizing the flow characteristic curve of a hydroelectric generating set by using the GIS technology are analyzed. The software used by the digitizing method and its using method are introduced. The digital method and the detailed flow are put forward. Finally, the flow characteristics of the actual unit as an example of digital. Compared with the traditional digital method, this method has the advantages of high efficiency and high precision, and can provide the numerical list of any precision flexibly and quickly, which can meet the requirements of hydropower station automation and fine operation.