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This paper examines the application of the Weighted Least Squares (WLS) method for State Estimation (SE) in radial distribution medium voltage (MV) feeder. Using one feeder of a real distribution network (DN) equipped with multiple Remote Terminal Units (RTUs), the analysis investigates the impact of various factors on SE performance. Investigated factors include the num-ber of RTU measurements, measurement and load uncertainty, each subject-ed to simulation variations. Evaluation of the method's performance is con-ducted by comparing estimated values with load flow results.

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WLS State Estimation in MV Distribution Network Feeder with RTU Installation

  • 会议论文

  • 发表日期：

    2025年

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  • Vit Krcal,
  • David Topolánek

摘要

This paper examines the application of the Weighted Least Squares (WLS) method for State Estimation (SE) in radial distribution medium voltage (MV) feeder. Using one feeder of a real distribution network (DN) equipped with multiple Remote Terminal Units (RTUs), the analysis investigates the impact of various factors on SE performance. Investigated factors include the num-ber of RTU measurements, measurement and load uncertainty, each subject-ed to simulation variations. Evaluation of the method's performance is con-ducted by comparing estimated values with load flow results.