Optimized Configuration of Multi-Source Measurement Devices Based on Distributed Principles

Yuhao Xu, Jiaqi Zhang, Jing Zhao, Xiaoyu Zhang and Jinming Ge ()
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Yuhao Xu: Jiamusi Power Supply Company of State Grid Heilongjiang Electric Power Co., Ltd., Jiamusi 154002, China
Jiaqi Zhang: School of Electrical Engineering, Northeast Electric Power University, Jilin 132013, China
Jing Zhao: Jiamusi Power Supply Company of State Grid Heilongjiang Electric Power Co., Ltd., Jiamusi 154002, China
Xiaoyu Zhang: Jiamusi Power Supply Company of State Grid Heilongjiang Electric Power Co., Ltd., Jiamusi 154002, China
Jinming Ge: School of Electrical Engineering, Northeast Electric Power University, Jilin 132013, China

Energies, 2025, vol. 18, issue 5, 1-13

Abstract: The increasing uncertainties and model computational complexity of large-scale power system state estimation have led to the emergence of a class of multi-source metrology devices to provide vector data for the grid to improve the observability. Considering the difficult problem of optimizing the configuration of multi-source measurement devices due to the large number of nodes, a distributed optimal configuration framework for multi-source measurement data is proposed. First, based on the concepts of sensitivity and electrical distance, the sensitivity electrical distance is derived and the power system is partitioned using the improved community partitioning principle; considering the problem of partitioning information exchange, synchronized phase measurement units are configured at the boundary nodes. Secondly, within the aforementioned partition, the optimal configuration of feeder terminal units and smart meters is carried out by combining the requirements of zero-injection nodes and viewability. Finally, the proposed method is verified in the IEEE33 node example, and the results show that the proposed method significantly reduces the configuration cost of the equipment on both sides of the system while guaranteeing the system viewability, which is highly feasible and economical.

Keywords: multi-source measurement devices; sensitive electrical distances; community segmentation; distributed optimal configuration; zero-injection nodes; node observability (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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