Distribution Network Topology Generation Algorithm Based on LASSO and Its Supplementary Rules

doi:10.13190/j.jbupt.2017-137

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2018, Vol. 41 ›› Issue (2): 62-68.doi: 10.13190/j.jbupt.2017-137

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Distribution Network Topology Generation Algorithm Based on LASSO and Its Supplementary Rules

LI Xiao-yu¹, LI Shu-fang¹, ZHANG Si-yuan², LI Wen-qi³, TIAN Shi-ming⁴

1. Beijing Key Laboratory of Network System Architecture and Convergence, Beijing University of Posts and Telecommunications, Beijing 100876, China;
2. Department of Electrical Engineering, Tsinghua University, Beijing 100084, China;
3. State Grid Henan Electric Power Company, Zhengzhou 450052, China;
4. Power Consunption & Energy Efficiency Department, China Electric Power Research Institute, Beijing 100192, China

Received:2017-07-10 Online:2018-04-28 Published:2018-03-17

Abstract

Abstract: In order to solve the problem that the distribution network topology is difficult to monitor, a novel data driven algorithm is proposed to generate the distribution network topology. Firstly, the least absolute shrinkage and selection operator (LASSO) algorithm is adopted to obtain the correlation coefficient matrix of all buses in the network. Then, the "and" logic rule and the criteria based on the voltage correlation analysis model are utilized to correct the matrix. Finally, the topology is reconstructed based on the modified matrix. Simulation results show that the proposed algorithm can efficiently and accurately generate the un-loopy and loopy distribution network topology based on timing voltage data without using any prior knowledge of distribution network. The algorithm could be employed as an auxiliary decision-making method to generate the operational distribution network topology.

Key words: distribution network, topology reconstruction, voltage correlation analysis

CLC Number:

TM711

LI Xiao-yu, LI Shu-fang, ZHANG Si-yuan, LI Wen-qi, TIAN Shi-ming. Distribution Network Topology Generation Algorithm Based on LASSO and Its Supplementary Rules[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2018, 41(2): 62-68.

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Distribution Network Topology Generation Algorithm Based on LASSO and Its Supplementary Rules

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