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首页 > 过刊浏览>2023年第38卷第2期 >205-213. DOI:10.19781/j.issn.1673-9140.2023.02.023
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基于退化量分布的剩余电流动作断路器可靠性评估
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作者:
作者单位:

(河北工业大学电气工程学院，天津 300130)

通讯作者:

赵兴洲（1998—），男，硕士研究生，主要从事电气设备可靠性研究；E?mail：379956414@qq.com

中图分类号:

TM506

基金项目:

河北省自然科学基金(E2020202221）;河北省高等学校科学技术研究项目(ZD2019041)


Reliability evaluation of residual current operated circuit breaker based on degradation distribution
Author:
Affiliation:

(School of Electrical Engineering, Hebei University of Technology, Tianjin 300130, China)

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    摘要:

    剩余电流动作断路器直接影响低压配电系统的安全性和可靠性。为了研究剩余电流动作断路器的可靠性，使用基于退化量分布的建模方法对其性能退化过程进行研究，并预测出其使用寿命。首先，对剩余电流动作断路器的失效机理进行分析，然后设计实施剩余电流动作断路器的加速退化试验，建立了退化量服从正态分布的可靠度分析模型，采用最小二乘法对模型中的参数进行估计，从而对剩余电流动作断路器的可靠性进行评估并绘制可靠度曲线。

    Abstract:

    Residual current operated circuit breaker directly affects the safety and reliability of low?voltage distribution system. In order to study the reliability of residual current operated circuit breaker, the performance degradation process is studied by using the modeling method based on degradation distribution, and its service life is predicted. Firstly, the failure mechanism of residual current operated circuit breaker is analyzed, and then the accelerated degradation test of residual current operated circuit breaker is designed and implemented. The reliability analysis model that the degradation quantity obeys the normal distribution is established, and the parameters in the model are estimated by the least square method, so as to evaluate the reliability of residual current operated circuit breaker and draw the reliability curve.

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引用本文

刘帼巾,赵兴洲,缪建华,等.基于退化量分布的剩余电流动作断路器可靠性评估[J].电力科学与技术学报,2023,38(2):205-213.
LIU Guojin, ZHAO Xingzhou, MIAO Jianhua, et al. Reliability evaluation of residual current operated circuit breaker based on degradation distribution[J]. Journal of Electric Power Science and Technology,2023,38(2):205-213.

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