喷射式熔断器熔断特性试验方法的改进研究  

Study on Improving Fusing Characteristic Methods of Jet Fuse

作　　者：金涌涛 周国良 赵文渊 洪珠琴[2] 

机构地区：[1]浙江省电力公司电力科学研究院,浙江杭州310014 [2]浙江省电力设计院,浙江杭州310014

出　　处：《电力电容器与无功补偿》2013年第1期56-60,共5页Power Capacitor & Reactive Power Compensation

摘　　要：熔断特性是熔断器重要特性,熔断特性试验方法对准确反映熔断器熔断特性影响较大,本文以熔断器熔断特性常规试验回路为基础,分析了熔体在熔断过程中热态电阻变化特点,通过调节试验回路参数,改进了熔断器熔断特性常规试验方法,并进行了试验验证,为准确得到熔断器熔断特性提供了有效手段。The fusing characteristics are the important characteristics of fuse and the test methods of fusing characteristics have great effect in accurately reflecting the fusing characteristics of fuse. In this paper, the conventional test circuit for the fusing characteristics of fuse is taken as the base to analyze the variation of thermal resistance of fuse, the conventional test method of using characteris- tics of fuse is improved through adjusting ratings of the test and test verification is conducted, which provides effective means to obtain accurately the fusina characteristics of the fll,qe_

关 键 词：喷射式熔断器 熔断特性 热态电阻 试验方法 改进 

分 类 号：TM563[电气工程—电器]