基于性能退化的漏电保护模块可靠性仿真分析李奎，王月，赵成晨，郝运佥，刘政君，胡博凯(河北工业大学省部共建电工装备可靠性与智能化国家重点实验室，天津300130)摘要:漏电断路器作为低压配电系统中重要的终端保护电器，在防止漏电事故、保护用电人员人身安全上发挥着重要作用。漏电保护模块由电子元器件组成，其参数偏差和退化造成的参数漂移，都会引起断路器漏电保护性能退化。文中构建漏电保护模块的仿真模型，采用灵敏度分析进行漏电保护模块关键元器件的辨识，考虑容差引起的个体间性能差异，利用Monte-Carlo仿真获取系统性能参数退化数据，分析由元器件退化造成的漏电保护模块性能退化，根据性能变化实现漏电保护可靠性评估，为早期设计提供决策支持。关键词:漏电保护模块;性能退化;Monte-Carlo仿真;容差分析DOI:10．19753/j．issn1001-1390．2023．04．009中图分类号:TM501文献标识码:A文章编号:1001-1390(2023)04-0064-07SimulationanalysisofleakageprotectionmodulereliabilitybasedonperformancedegradationLiKui，WangYue，ZhaoChengchen，HaoYunqian，LiuZhengjun，HuBokai(StateKeyLaboratoryofＲeliabilityandIntelligenceofElectricalEquipment，HebeiUniversityofTechnology，Tianjin300130，China)Abstract:Ｒesidualcurrentcircuitbreakersareimportantterminalprotectionapparatusinlow-voltagedistributionsys-tems，whichplayamajorroleinpreventingleakageaccidentsandprotectingthepersonalsafetyofpowerusers．Theleak-ageprotectionmoduleiscomposedofelectroniccomponents，anditsparameterdeviationanddegradationcauseparameterdrift，whichwillcausetheprotectionperformancedegradationofresidualcurrentcircuitbreaker．Therefore，thesimula-tionmodelofleakageprotectionmoduleisestablished，andsensitivityanalysisisadoptedtoidentifythekeycomponentsofleakageprotectionmodule．Consideringtheperformancedifferencecausedbytolerance，theMonte-Carlosimulationisusedtoobtainsystemperformancedegradationdata．Theleakageprotectionmoduledegradationcausedbythedegradationofcomponentsisanalyzed，andthereliabilityevaluationofleakageprotectionisrealizedaccordingtotheperformancechange，whichcanprovidedecisionsupportforearlydesign．Keywords:leakageprotectionmodule，performancedegradat...
