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Smart Meter Based Two-Layer Distribution System State Estimation in Unbalanced MV/LV Networks
IEEE Transactions on Industrial Informatics ( IF 12.3 ) Pub Date : 2021-05-17 , DOI: 10.1109/tii.2021.3079267
Maman Ahmad Khan , Barry Hayes

This article presents a smart meter based two-layer state estimation technique, design to enable integrated monitoring of medium-voltage (MV) and low-voltage (LV) power distribution networks. The main contributions of this work include the development of a novel topology reduction technique for LV networks in order to carry out state estimation with a reduced number of smart meter based measurements, and a linear LV state estimation technique, which reduces convergence problems in LV networks. In addition, a detailed framework for integrated MV/LV network state estimation in realistic, unbalanced three-phase networks is proposed and demonstrated using the IEEE 13 bus and IEEE 906 LV networks. The results suggest that the proposed two-layer state estimation technique is robust and provides improved distribution system state estimation accuracy compared to traditional approaches.

中文翻译:

不平衡中压/低压网络中基于智能电表的两层配电系统状态估计

本文介绍了一种基于智能电表的两层状态估计技术,旨在实现对中压 (MV) 和低压 (LV) 配电网络的集成监控。这项工作的主要贡献包括为低压网络开发了一种新颖的拓扑简化技术,以便通过减少数量的基于智能电表的测量来进行状态估计,以及一种线性低压状态估计技术,它减少了低压网络中的收敛问题. 此外,使用 IEEE 13 总线和 IEEE 906 LV 网络提出并演示了在现实的不平衡三相网络中集成 MV/LV 网络状态估计的详细框架。
更新日期:2021-05-17
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