A Partial Discharge Localization Method Based on the Improved Artificial Fish Swarms Algorithm

Hao Qiang, Qun Wang, Hui Niu, Zhaoqi Wang and Jianfeng Zheng ()
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Hao Qiang: School of Mechanical Engineering and Rail Transit, Changzhou University, Changzhou 213164, China
Qun Wang: School of Mechanical Engineering and Rail Transit, Changzhou University, Changzhou 213164, China
Hui Niu: School of Mechanical Engineering and Rail Transit, Changzhou University, Changzhou 213164, China
Zhaoqi Wang: School of Mechanical Engineering and Rail Transit, Changzhou University, Changzhou 213164, China
Jianfeng Zheng: School of Mechanical Engineering and Rail Transit, Changzhou University, Changzhou 213164, China

Energies, 2023, vol. 16, issue 6, 1-20

Abstract: Accurate localization of partial discharge in GIS equipment remains a key focus of daily maintenance for substations, which can be achieved through advanced detection and location techniques, as well as regular maintenance and testing of the equipment. However, there is currently an issue with low accuracy in the localization algorithm. Aiming at the problems of low precision and local optimization of the swarm intelligence algorithm in partial discharge localization system of GIS equipment, this paper proposes a 3D localization algorithm based on a time difference of arrival (TDOA) model of the improved artificial fish swarm algorithm (IAFSA). By introducing the investigation behaviour of the artificial bee colony(ABC) algorithm into the artificial fish swarms algorithm (AFSA), this algorithm is more efficient to jump out of the local extremum, enhance the optimization performance, improve the global search ability and overcome the premature convergence. Furthermore, more precise positioning can be achieved with dynamic parameters. The results of the testing function show that IAFSA is significantly superior to AFSA and particle swarm optimization (PSO) in terms of positioning accuracy and stability. When applied to partial discharge localization experiments, the maximum relative positioning error is less than 2.5%. This validates that the proposed method in this paper can achieve high-precision partial discharge localization, has good engineering application value, and provides strong support for the safe operation of GIS equipment.

Keywords: AFSA; GIS equipment; partial discharge; precise localization (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: 2023
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