压气式SF_6断路器气流场的分析与近区故障开断性能的计算  

Analysis of Gas Flow Field and Calculation of SLF Breaking Performance for Puff Type SF6 Circuit Breaker

作　　者：马黎 宋丽君 

机构地区：[1]河南平高电气技术中心,河南平顶山467001

出　　处：《华通技术》2003年第3期23-28,共6页

摘　　要：本文通过对灭弧室气流场模拟,分析了断路器开断过程中气流变化的规律,剖析了电弧电流过零瞬间上游的气压与开断性能的关系,并结合实际模型对燃弧时间及燃弧时差进行了计算。The article reveals the gas flow law during the breaking course of SF6 breaker by simulating arc quenching air flow field, analyses the relationship between the air pressure in upper stream at the instant of arc current passing zero and the breaking performance, and calculates the arcing time and arcing time difference through an actual model.

关 键 词：压气式SF6断路器 气流场 故障 开断性能 六氟化硫断路器 

分 类 号：TM561.3[电气工程—电器]