优化pmu位置以增强电力系统状态估计

2023 IEEE Jordan International Joint Conference on Electrical Engineering and Information Technology (JEEIT) Pub Date : 2023-05-22 DOI:10.1109/JEEIT58638.2023.10185724

Atallah Ahmad Al Qaralleh, K. Alawasa, A. Al-Odienat

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引用次数: 0

摘要

广域监控系统(WAMs)为电力系统的监控、运行、控制带来了诸多优势。近年来，相量测量单元(PMUs)的引入对电网向智能电网的转变起到了重要作用。然而，PMU价格昂贵，在每条总线上安装PMU是可行的。因此，在保证系统可观测性的前提下，确定电力系统中pmu (OPP)的最优配置方案具有重要的意义。采用Newton Raphson负荷流法得到了系统的负荷流结果。针对ieee14总线测试用例的状态估计问题，提出了带PMUs的加权最小二乘WLS方法。结果表明，该方法的状态估计更为准确。

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Optimal Location of PMUs to Enhance State Estimation of Power Systems

The Wide Area Monitoring Systems (WAMs) has brought several advantages for the power system monitoring, operation, control. Recently, the introduction of Phasor Measurement Units (PMUs) to power grids played a significant role in transforming them into smart grids. However, PMUs are costly and installing PMU at each bus is feasible. Therefore, the formulation of optimal placement of PMUs (OPP) in power systems is very important to minimize the total number, while preserving the observability of the system. Newton Raphson load flow method is applied to obtain load flow results of the system. Weighted least squares WLS with PMUs approaches for the state estimation of IEEE 14 bus test case is presented. The results show more accurate state estimation process.

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2023 IEEE Jordan International Joint Conference on Electrical Engineering and Information Technology (JEEIT)

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