电气技术  2021, Vol. 22 Issue (12): 57-62    DOI:
技术与应用 |
断路器弹簧操动机构分/合闸弹簧的状态诊断
郭博文, 李楠, 李松原, 李琳, 赵聪
国网天津市电力公司电力科学研究院,天津 300392
State diagnosis for closing/opening spring in the spring operating mechanism of circuit breaker
GUO Bowen, LI Nan, LI Songyuan, LI Lin, ZHAO Cong
Electric Power Research Institute of Tianjin Electric Power Corporation, Tianjin 300392
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摘要 为保证断路器弹簧操动机构的安全可靠运行,本文提出一种针对弹簧操动机构分/合闸弹簧的状态诊断方法。通过分析弹簧在断路器储能过程和分/合闸动作过程中的动作特性,提取储能过程中电机有效输出功和分/合闸过程中的动作速度作为诊断弹簧性能的特征参数,分析阐述基于对特征参数判断的分/合闸弹簧状态诊断流程,设计分/合闸弹簧状态诊断系统,并结合CT20弹簧操动机构对该方法进行验证。通过对新旧分/合闸弹簧进行对比实验,证明所提出的分/合闸弹簧状态诊断方法简单、准确,具有良好的诊断效果。
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郭博文
李楠
李松原
李琳
赵聪
关键词 弹簧操动机构特征参数电机有效输出功分/合闸速度弹簧状态诊断方法    
Abstract:In order to ensure safe and reliable operation of the spring operating mechanism, a method of spring’s state diagnosis in spring operating mechanism is proposed. Through analyzing the spring’s operation characteristic in storing process and in closing/opening process, the effective output of motor in storing process and the closing/opening speed are extracted, which are used as characteristic parameters to diagnose spring’s state. The diagnosis process of closing/opening spring’s state is specifically analyzed and described based on the judgment of characteristic parameters. The diagnosis system of closing/opening spring’s state is designed, and it is verified by combining with the CT20 spring operating mechanism. Through the contrast experiment of old and new closing/opening spring, the proposed diagnosis method for opening/closing spring is validated to be simple and accurate, and the result of the diagnosis is very well.
Key wordsspring operating mechanism    characteristic parameters    the effective output of motor    the opening or closing speed    state of spring    diagnosis method   
收稿日期: 2021-01-19     
作者简介: 郭博文(1992—),男,天津人,硕士,工程师,从事高压试验、设备故障诊断技术等工作。
引用本文:   
郭博文, 李楠, 李松原, 李琳, 赵聪. 断路器弹簧操动机构分/合闸弹簧的状态诊断[J]. 电气技术, 2021, 22(12): 57-62. GUO Bowen, LI Nan, LI Songyuan, LI Lin, ZHAO Cong. State diagnosis for closing/opening spring in the spring operating mechanism of circuit breaker. Electrical Engineering, 2021, 22(12): 57-62.
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https://dqjs.cesmedia.cn/CN/Y2021/V22/I12/57