基于随机模糊理论的高压断路器剩余机械寿命评估
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摘要
针对高压断路器机械寿命评估参数具有随机性和模糊性的特点,将随机模糊理论应用到高压断路器的机械寿命评估中。通过高压断路器机械寿命试验,结合机械寿命评估参数随机性与模糊性的分布特点,引入三角形模糊变量,并运用曲线拟合的方法,得到高压断路器机械寿命评估参数的随机模糊分布函数,进而建立随机模糊双重不确定条件下的高压断路器剩余机械寿命模型,并实现对高压断路器剩余机械寿命的预测。对比试验结果表明,所建立模型能够客观有效地评估高压断路器的机械寿命。
As the parameters for mechanical life estimation of a high voltage circuit breaker are random and fuzzy,the random fuzzy theory is applied to the estimation. Considering the random and fuzzy distribution characteristics of the mechanical life evaluation parameters, mechanical life testing of a high voltage circuit breaker was conducted in this study, triangular fuzzy variables were introduced, and curve fitting method was adopted to obtain the random fuzzy distribution function of the mechanical life evaluation parameters of high voltage circuit breaker. Subsequently, a residual mechanical life model of high voltage circuit breaker was established in dual-uncertain condition. Test result shows that the proposed model can objectively and effectively evaluate the mechanical life of high voltage circuit breakers.
As the parameters for mechanical life estimation of a high voltage circuit breaker are random and fuzzy,the random fuzzy theory is applied to the estimation. Considering the random and fuzzy distribution characteristics of the mechanical life evaluation parameters, mechanical life testing of a high voltage circuit breaker was conducted in this study, triangular fuzzy variables were introduced, and curve fitting method was adopted to obtain the random fuzzy distribution function of the mechanical life evaluation parameters of high voltage circuit breaker. Subsequently, a residual mechanical life model of high voltage circuit breaker was established in dual-uncertain condition. Test result shows that the proposed model can objectively and effectively evaluate the mechanical life of high voltage circuit breakers.
引文
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[2]林莘.现代高压电气技术[M].第2版.北京:机械工业出版社,2011.LIN Xin.Modern high voltage electrical technology[M].2nd ed.Beijing:China Machine Press,2011.
[3]RAZI-KAZEMI A A,VAKILIAN M,NIAYESH K,et al.Priority assessment of online monitoring investment for power system CBs Part I:Qualitative-quantitative approach[J].IEEE Trans.on Power Delivery,2013,28(2):928-938.
[4]苗红霞.高压断路器故障诊断[M].北京:电子工业出版社,2011:15-19.MIAO Hongxia.High voltage circuit breaker fault diagnosis[M].Beijing:Publishing House of Electronics Industry,2011:15-19.
[5]NOORTWIJK J M V,PANDEY M D.A stochastic deterioration process for time-dependent reliability analysis[C]//Proceedings of the Eleventh IFIP WG 75 Working Conference on Reliability and Optimization of Structural Systems.Banff,Cannada:Taylor&Francis Group,2003:259-265.
[6]FALKINGHAM L T.The strengths and weaknesses of vacuum circuit breaker technology[C]//2011 1st International Conference on Electric Power Equipment Switching Technology(ICEPE-ST).[S.l.]:IEEE,2011:701-703.
[7]黄凯.高压断路器剩余寿命评估研究[D].北京:华北电力大学,2013:23-32.HUANG Kai.Study on the evaluation of residual service Life for high voltage circuit breaker[D].Beijing:North China Electric Power University,2013:23-32.
[8]申桂香,樊少华,张英芝,等.随机模糊条件下加工中心故障模式分析[J].农业机械学报,2011,42(2):216-219.SHEN Guixiang,FAN Shaohua,ZHANG Yingzhi,et al.Failure mode analysis of machining center based on random fuzzy theory[J].Transactions of the Chinese Society of Agricultural Machinery,2011,42(2):216-219.
[9]李卫东.应用统计学[M].北京:清华大学出版社,2014:95.LI Weidong.Applied statistics[M].Beijing:Tsinghua University Press,2014:95.
[10]刘宝碇,赵瑞清,王纲.不确定规划及应用[M].北京:清华大学出版社,2003:248-249.LIU Baoding,ZHAO Ruiqing,WANG Gang.Uncertain programming and applications[M].Beijing:Tsinghua University Press,2003:248-249.
[11]LIU B.Theory and practice of uncertain programming[M].Heidelberg:Physica-Verlag,2002.
[12]祝懂进,郭大伟,刘晓.概率论与数理统计[M].北京:国防工业出版社,2010:33-49.ZHU Dongjin,GUO Dawei,LIU Xiao.Probability and mathematical statistics[M].Beijing:National Defense University Press,2010:33-49.
[13]徐玖平,胡知能.中级运筹学[M].北京:科学出版社,2008:466-468.XU Jiuping,HU Zhineng.Intermediate operations research[M].Beijing:Science Press,2008:466-468.
[14]LI Xiang,LIU Baoding.Chance measure for hybrid events with fuzziness and randomness[J].Soft Computing,2008,13(2):105-115.
[15]LIU Baoding.Foundation of uncertainty theory[M].Beijing:Tsinghua University Press,2006:181-215.
[16]刘宝碇,彭锦.不确定理论教程[M].北京:清华大学出版社,2005:228-231.LIU Baoding,PENG Jin.Uncertainty theory tutorial[M].Beijing:Tsinghua University Press,2005:228-231.
[17]姜生,李世民,王继元.真空断路器机械特性的探讨[J].高压电器,2002,38(4):61-64.JIANG Sheng,LI Shimin,WANG Jiyuan.Discussion on the mechanical characteristic of vacuum circuit breaker[J].High Voltage Apparatus,2002,38(4):61-64.
[18]马丽萍,王华章,张金泉,等.塑壳断路器的触头超行程公差仿真分析[J].低压电器,2011(22):5-7.MA Liping,WANG Huazhang,ZHANG Jinquan,et al.Simulation analysis of contact over-travel tolerance for moulded case circuit breaker[J].Low Voltage Apparatus,2011(22):5-7.
[19]李跃,成守勇.真空断路器刚分速度探析[J].电气制造,2009(7):68-69.LI Yue,CHENG Shouyong.Analysis of opening speed for vacuum circuit breaker[J].Electrical Manufacturing,2009(7):68-69.
[20]栾颖.MATLAB R2013a工程分析与仿真[M].北京:清华大学出版社,2014:213-231.LUAN Ying.MATLAB R2013a engineering analysis and simulation[M].Beijing:Tsinghua University Press,2014:213-231.