高海拔环境下塑壳断路器热脱扣稳定性研究  

Study on thermal tripping stability of molded case circuit breaker with high altitude

作　　者：杨佳琦 高飞[1] Yang Jiaqi;Gao Fei(School of Electrical and Information Engineering,Yunnan Minzu University,Kunming 650500)

机构地区：[1]云南民族大学电气信息工程学院,昆明650500

出　　处：《电气技术》2018年第8期199-203,共5页Electrical Engineering

摘　　要：本文总结了高原气候条件对塑壳断路器性能的影响,分析塑壳断路器结构和热脱扣原理。借助国家高原电气测试中心实验平台对不同厂商提供的A、B、C三种用于配电系统的断路器进行热脱扣实验测试,通过采集塑壳断路器的三端口温度、脱扣时间等数据,对脱扣时间进行离散度分析,判断三种断路器在高海拔环境下稳定性的差异,为高原电器的设计和选型提供一定的参考。This paper summarizes the influence of plateau climatic conditions on the performance of molded case circuit breakers,and analyzes the structure of the molded case circuit breaker and the principle of thermal tripping.Through national testing center of plateau electric experiment platform for different vendors.A,B,C three kinds of used in circuit breaker distribution system for heat tripping experiment test,through the acquisition of molded case circuit breaker three ports,such as temperature,the tripping time data,the tripping time of discrete degree analysis,judge the stability of three kinds of circuit breaker in the high altitude environment,the design of the electric equipment for plateau provide certain reference and selection.

关 键 词：塑壳断路器 热脱扣 离散度 

分 类 号：TM561[电气工程—电器]