电器与能效管理技术Issue(12)：71-76,6.DOI:10.16628/j.cnki.2095-8188.2023.12.011
基于GB、IEC、UL标准的比对及直流低压熔断器分断能力试验方法研究
Study on Breaking Ability Testing Method of DC Low-Voltage Fuse Based on Comparison of GB,IEC and UL Standards
摘要
Abstract
In order to study the impact of differences between GB,IEC,and UL standards on the detection of the breaking capacity of low-voltage fuses,the applicable objects,breaking capacity limits,and breaking capacity testing methods of standards were compared.It was found that there were significant differences in small overcurrent tests.According to GB,IEC,and UL standards,small overcurrent breaking tests were conducted under different expected testing currents,switching times,and preheating methods.The results showed that the curve between the pre-arcing time of the fuse and the expected testing current basically coincided under different expected testing currents.The pre-arcing time,breaking voltage and initial voltage measured by AC or DC preheating are basically consistent.Different switching times prolong the full voltage circuit time,but not affect the arcing process and the testing results of the recovery voltage.关键词
GB标准/IEC标准/UL标准/直流低压熔断器/分断能力试验Key words
GB standards/IEC standards/UL standards/DC low-voltage fuse/breaking ability test分类
信息技术与安全科学引用本文复制引用
赵婧,李赛赛,白承宗,郭向荣..基于GB、IEC、UL标准的比对及直流低压熔断器分断能力试验方法研究[J].电器与能效管理技术,2023,(12):71-76,6.基金项目
广东省重点领域研发计划项目(2020B0404020003) （2020B0404020003）
