Detecting Method of High Voltage Circuit Breaker Spring Fatigue Based on Vibration Signal

被引：0
|
作者：
Dou L. [1 ,2 ]
He Y. [1 ,2 ]
Wan S. [1 ,2 ]
Zhang X. [1 ,2 ]
Wang X. [1 ,2 ]
机构：
[1] Department of Mechanical Engineering, North China Electric Power University, Baoding
[2] Hebei Key Laboratory of Health Maintenance and Failure Prevention of Electrical Machinery and Equipment, Baoding
来源：
Diangong Jishu Xuebao/Transactions of China Electrotechnical Society | 2022年 / 37卷 / 24期
关键词：
High voltage circuit breaker; nonlinear least square method; spring fatigue; vibration signal;
D O I：
10.19595/j.cnki.1000-6753.tces.212014
中图分类号：
学科分类号：
摘要：
Spring fatigue is a typical fault that frequently occurs in high-voltage circuit breakers. However, most traditional test methods cannot detect online. Therefore, a way to detect the spring fatigue fault based on vibration signals is proposed. Firstly, according to the working principle of the high-voltage circuit breaker, the energy transfer mechanism in the operation process is analyzed, and the whole structure is simplified into particle points. Then, after filtering the noise in the vibration signal, the equivalent energy distribution is calculated by constructing the kinetic energy function of each particle point. Finally, the energy transfer function of the high voltage circuit breaker is constructed by the nonlinear least square method to calculate the spring energy. The experimental results show that the detection error of the spring energy is within 2.2%, which verifies the effectiveness and accuracy of the proposed method. This method can provide a new way to detect spring fatigue in high-voltage circuit breakers. © 2022 Chinese Machine Press. All rights reserved.
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页码：6420 / 6430
页数：10
相关论文
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