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Strategic placements of PMUs for power network observability considering redundancy measurement

机译：考虑冗余测量的电力网络可观察性的PMU的战略展示

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This paper proposes a mixed integer nonlinear programming (MINLP) formulation with binary-valued variables for the optimal installation of the phasor measurement units (PMUs) in a power network. The MINLP framework has been solved by a two-phase branch-and-bound algorithm (BBA) for the optimal PMU placement (OPP) problem. The present work deals with the solution of the OPP problem without considering the radial buses including in the optimal solution. PMU is pre-assigned to each bus connected to a radial bus such that the radial buses are excluded from the list of potential PMU locations. The programming technique is used to determine the optimum number of PMUs and their locations to make the interconnected power network completely observable. The proposed BBA may provide multiple solutions at the lowest objective value, each time the optimizer routine restarts. Therefore, the obtained optimal solutions are being ranked regarding the measurement redundancy index. The two-phase branch-and-bound algorithm is applied to IEEE standard test systems as well as to New England 39-bus and a northern regional power grid 246-bus system. The proposed algorithm has been compared with the existing programming techniques in the recent literature. The simulation results obtained by the proposed BBA indicate the effectiveness and the efficiency to detect the desired target. (C) 2018 Elsevier Ltd. All rights reserved.
机译：本文提出了一种混合整数非线性编程（MINLP）配方，具有二进制值变量，用于电力网络中的相量测量单元（PMU）的最佳安装。 MINLP框架已经通过两相分支和绑定算法（BBA）解决，用于最佳PMU放置（OPP）问题。目前的工作涉及互联网问题的解决方案，而不考虑径向总线，包括在最佳解决方案中。 PMU预先分配给连接到径向总线的每个总线，使得径向总线被排除在潜在的PMU位置列表之外。编程技术用于确定最佳数量的PMU及其位置，以使互连的电网完全可观察到。所提出的BBA可以在最低物理值下提供多个解决方案，每次优化程序例程重新启动。因此，所获得的最佳解决方案是关于测量冗余索引的排序。两相分支和绑定算法应用于IEEE标准测试系统以及新英格兰39总线和北部区域电网246总线系统。该算法已经与最近文献中的现有编程技术进行了比较。通过所提出的BBA获得的模拟结果表明了检测所需目标的有效性和效率。 （c）2018年elestvier有限公司保留所有权利。

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