Joint placement of phasor and power flow measurements for power system observability using differential evolution

B. Rajasekhar, A. Chandel
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引用次数: 2

Abstract

In this paper, differential evolution (DE) algorithm has been proposed to solve a optimal joint placement problem of phasor measurement units (PMUs) and conventional measurements which enable to determine the state variables of the power system. The problem is to minimize the number of PMUs required for network observability and to maximize the PMU measurements redundancy. This is achieved by selecting a solution with maximum System Observability Redundancy Index (SORI)if multiple optimal solutions exist. The resulting nonlinear integer programming (NLIP)problem is solved by the proposed DE method for the optimal solution by considering different power system problems viz. a 7-bus test and IEEE 14-bus systems with and without the consideration of zero injection buses. Results thus obtained have also been validated with existing solution techniques.
基于差分演化的电力系统可观测性相量和潮流测量的联合放置
本文提出了一种差分进化算法,用于解决相量测量单元(pmu)与常规测量单元的最优联合布置问题,从而确定电力系统的状态变量。问题是最小化网络可观测性所需的PMU数量,并最大化PMU测量冗余。这是通过在存在多个最优解的情况下选择具有最大系统可观察性冗余指数(SORI)的解来实现的。本文提出的非线性整数规划(NLIP)问题求解方法考虑了7总线测试和IEEE 14总线系统在考虑零注入总线和不考虑零注入总线情况下的最优解。所得结果也用现有的溶液技术进行了验证。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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