Research on Evaluation and Prediction Method of Electrical Life of Contactor Individual

被引：0

作者：

Sun, Shuguang ^{[1
]}

Liu, Jinfa ^{[1
]}

Wang, Jingqin ^{[2
]}

Shao, Xu ^{[1
]}

Zhao, Yaohua ^{[1
]}

机构：

[1] Hebei Univ Technol, Sch Artificial Intelligence, 8 GuangRong St, Tianjin, Peoples R China

[2] Hebei Univ Technol, State Key Lab Reliabil & Intelligence Elect Equipm, 8 GuangRong St, Tianjin, Peoples R China

来源：

IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING | 2024年 / 19卷 / 10期

关键词：

AC contactor; initial electrical life; performance inflection point; remaining useful electrical life; RELIABILITY; MODEL;

D O I：

10.1002/tee.24119

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Aiming at the problem of electrical life prediction of AC contactor individual, considering that characteristic information and degradation trend of different life stages are different, a comprehensive electrical life analysis method is proposed. First, based on uncertainty reasoning, initial electrical life is qualitatively evaluated to realize an early warning for contactor with poor performance. Secondly, real-time monitoring of performance degradation inflection point is used to realize the determination of degradation stage. With degradation stage matching mechanism, the quantitative prediction of remaining useful electrical life is realized based on performance inflection point and Elman neural network, thus forming an effective monitoring of the operation state in full life cycle. It is verified by experiment that the proposed method can accurately evaluate initial life grade and predict remaining useful life after performance inflection point. Compared with other methods, the information of electrical life for contactor individual can be accurately and comprehensively obtained. (c) 2024 Institute of Electrical Engineer of Japan and Wiley Periodicals LLC.

引用

页码：1596 / 1609

页数：14

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