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    Suzhou Electric Appliance Research Institute
    期刊號: CN32-1800/TM| ISSN1007-3175

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    基于永磁機構的剩余電流重合閘斷路器設計

    來源:電工電氣發布時間:2021-01-23 15:23 瀏覽次數:763

    基于永磁機構的剩余電流重合閘斷路器設計

    陳悟1,朱菁菁1,朱遵義2
    (1 國網江蘇省電力有限公司揚州供電分公司,江蘇 揚州 225001;
    2 南京工程學院, 江蘇 南京 211167)
     
    摘 要:永磁驅動機構運動部件少、可靠性高,用于剩余電流重合閘斷路器是一種創新的探索。介紹了基于永磁機構的剩余電流重合閘斷路器工作原理、結構、永磁機構類型及驅動方式的選擇,采用
    Maxwe Ⅱ軟件進行合閘機械特性、分閘機械特性的仿真優化,調整分閘彈簧、觸頭彈簧,使該產品的觸頭壓力、分斷速度達到一個優良的組合。經試驗驗證,設計的重合閘剩余電流斷路器達到了高分斷、高可靠、長壽命的設計要求。
        關鍵詞:剩余電流重合閘斷路器;剩余電流;永磁操動機構;可靠性
        中圖分類號:TM561     文獻標識碼:A     文章編號:1007-3175(2021)01-0039-04
     
    Design of Residual Current Reclosing Circuit Breaker
    Based on Permanent Magnet Mechanism
     
    CHEN Wu1, ZHU Jing-jing1, ZHU Zun-yi2
    (1 State Grid Jiangsu Electric Power Co., Ltd Yangzhou Power Supply Branch, Yangzhou 225001 ,China;
    2 Nanjing Institute of Technology, Nanjing 2111 67,China)
     
        Abstract: Permanent magnet drive mechanism has few moving parts and high reliability. It is an innovative exploration to be used inresidual current reclosing circuit breaker. This paper introduces the working principle and structure of residual current reclosing circuitbreaker based on permanent magnet mechanism, the selection of permanent magnetic mechanism type and driving mode. The simulation andoptimization design process of closing mechanical characteristics and opening mechanical characteristics are carried out by using MaxweII software. By adjust the opening spring and contact spring make the contact pressure and breaking speed of the product reach an excellentcombination. Tests have shown that the designed reclosing residual current circuit breaker meets the design requirements of high breaking,high reliability and long life.
        Key words: residual current reclosing circuit breaker; residual current; permanent magnet operating mechanism; reliability
     
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