中国机械工程 ›› 2011, Vol. 22 ›› Issue (18): 2214-2218.

• 机械基础工程 • 上一篇    下一篇

基于稳健优化的真空断路器弹簧操动机构分闸弹簧设计

孙波1;陈刚1;刘晓明2;王尔智2
  

  1. 1.沈阳理工大学,沈阳,110159
    2.沈阳工业大学,沈阳,110023
  • 出版日期:2011-09-25 发布日期:2011-09-27
  • 基金资助:
    国家自然科学基金资助项目(50877048);教育部新世纪优秀人才支持计划(NCET-08-0863) 
    National Natural Science Foundation of China(No. 50877048);
    Program for New Century Excellent Talents in University of Ministry of Education of China(No. NCET-08-0863)

Design for Breaking Spring of Spring Actuator of Vacuum Circuit Breaker Based on Robust Optimization

Sun Bo1;Chen Gang1;Liu Xiaoming2;Wang Erzhi2
  

  1. 1.Shenyang Ligong University,Shenyang,110159
    2.Shenyang University of Technology,Shenyang,110023
  • Online:2011-09-25 Published:2011-09-27
  • Supported by:
     
    National Natural Science Foundation of China(No. 50877048);
    Program for New Century Excellent Talents in University of Ministry of Education of China(No. NCET-08-0863)

摘要:

将稳健设计思想和优化设计思想相结合,将加工误差等因素引起的影响考虑在设计变量的容差之中,寻求弹簧刚度系数误差最小化,且以弹簧结构参数在其容差内变化时弹簧刚度系数的最大波动量的最小化为优化目标,建立了具有多目标、两级优化的分闸弹簧稳健优化设计数学模型。提出了系列求解该数学模型的优化策略。将稳健优化设计数学模型应用于10kV、12.5kA真空断路器弹簧操动机构中的分闸弹簧的设计,有效改善了分闸弹簧的力特性及真空断路器的分合闸速度特性。

关键词:

Abstract:

A design for breaking spring of a spring actuator of vacuum circuit breaker based on robust optimization was presented. The effects of some factors, shch as processing errors,were come down to the tolerance of the design variables.In order to minimize the error of spring stiffness coefficient,the maximal variation of stiffness coefficients when the design variables varied within the acceptable region of the
tolerances were chosen as the objective function.So a robust optimization mathematical model of the breaking spring was given.A series of optimization strategy were presented. Applying the above theory to the structure design of the breaking spring of
spring actuator of 10kV,12.5kA vacuum circuit breaker, the breaking and closing characteristics are all satisfied at the optimum structure parameters. 

Key words: spring actuator, breaking spring, stiffness coefficient, robustness, optimization

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