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建立符合实际的电力系统动态负荷模型的重要性已越发突出,但因设备众多、类型繁杂、结构和参数时变性强、分散性强等,负荷建模有着实质的困难。文中综述了负荷建模现状,对负荷建模难点问题进行评述,继而基于在线综合负荷主导参数测辨方法提出区域综合负荷整体等值和参数测辨方案,概括其中的关键技术及初步解决方案,包括区域负荷划分方案、处理负荷群间的关联、大容量发电机接入负荷群和关键负荷群的特殊处理等。
It is more and more important to set up a dynamic load model that is in line with the actual power system. However, due to the large number of equipments, complex types, strong time-varying structure and parameters, strong dispersion and so on, load modeling has substantial difficulties. In this paper, the status quo of load modeling is reviewed, and the problems of load modeling are reviewed. Based on the method of determining the dominant parameters of integrated load, the overall equivalent load and parameter identification scheme of regional integrated load are proposed. The key technologies and preliminary solutions are summarized, Including regional load sharing plan, handling of the association among load groups, special handling of large load generators and key load groups.