摘　要：以252 kV自能式SF6断路器为例,以热力学第一定律和流体动力学为基本原理,建立灭弧室内气体压力特性的数学模型,对其进行数值计算,得到灭弧室内气体压力的特性曲线.对断路器灭弧室压力特性进行试验测试,对试验结果和计算结果进行比较,说明理论计算结果的正确性.
关键词：自能式SF6断路器;灭弧室;压力特性
分类号：TM51 　文献标识码：A
文章编号：1004-9649(2007)11-0057-05

Puffer characteristic calculation and test of self-extinguishing SF6 circuit breaker

LIN Xin　 LIU Ke-bin　 DI Qian　

作者简介：林莘(1961-),女,陕西西安人,教授,博士生导师,从事高压电器理论研究及应用、特高压技术的教学和科研工作.E-mail:sylinxin@sohu.com
作者单位：林莘（沈阳工业大学,电气工程学院,辽宁,沈阳,110023）　
　　　　　 刘克彬（沈阳工业大学,电气工程学院,辽宁,沈阳,110023）　
　　　　　 狄谦（沈阳工业大学,电气工程学院,辽宁,沈阳,110023）　

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