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针对利用统一潮流控制器(UPFC)的潮流控制能力来改善输电断面潮流分布、解决关键输电线路过载问题的应用场景,基于电网络理论推导了UPFC串联侧装置所需安装容量与关键输电线路潮流转移需求、UPFC安装位置、网架结构参数之间的关系,提出了UPFC串联侧装置安装容量的计算方法。在此基础上,分析了影响UPFC装置安装容量的主要因素,并针对两种典型的网架结构,研究了转移单位潮流所需的UPFC串联侧装置安装容量受UPFC安装位置、网架结构参数的影响情况。进一步,提出了一套简单实用的UPFC安装位置和容量的优化方法。案例分析结果验证了所提出的UPFC串联侧装置安装容量计算方法和关键影响因素分析的有效性,同时验证了所提出的UPFC安装位置和容量优化方法的可行性。
Aiming at the application of power flow control (UPFC) to improve the distribution of power flow and to solve the problem of overloading of critical transmission lines, the installation capacity of UPFC tandem devices and the power flow of key transmission lines Requirements, UPFC installation location, the relationship between the grid structure parameters, put forward the UPFC series side installation capacity calculation method. On this basis, the main factors influencing the installation capacity of UPFC are analyzed. According to the two typical grid structures, the installation capacity of UPFC tandem devices required for power flow unit transfer is studied by UPFC installation position, grid structure parameters Affect the situation. Furthermore, a set of simple and practical UPFC installation location and capacity optimization method is proposed. The case analysis results verify the proposed method for calculating the installation capacity and the key influencing factors of the series side installation of UPFC, and verify the feasibility of the proposed UPFC installation location and capacity optimization method.