| 两种静导电回路对塑壳断路器开断性能的影响分析 |
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| 引用本文： | 季良,陈德桂,刘颖异,李兴文. 两种静导电回路对塑壳断路器开断性能的影响分析[J]. 电工技术学报, 2010, 0(8) |
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| 作者姓名： | 季良 陈德桂 刘颖异 李兴文 |
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| 作者单位： | 西安交通大学电力设备电气绝缘国家重点实验室;北京航空航天大学自动化科学与电气工程学院; |
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| 摘 要： | 设计良好的静导电回路结构对塑壳断路器开断性能的提高有着重要的意义。在两种不同静导电回路下,通过计算对比电动力和吹弧磁场,分析了静导电回路结构对塑壳断路器的触头分开时间触头推斥电动力吹弧磁场在电弧上的分布以及燃弧初期吹弧磁场大小等因素的影响。根据分析的结果,对某塑壳断路器的静导电回路进行了改进,并通过网络试验验证了改进方案对提升其开断能力的有效性。
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| 关 键 词： | 塑壳断路器 有限元法 电动力 磁吹力 |
Analysis of Influence of Two Static Conductors on the Interruption Performance of MCCB |
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| Ji Liang Chen Degui Liu Yingyi Li Xingwen. Analysis of Influence of Two Static Conductors on the Interruption Performance of MCCB[J]. Transactions of China Electrotechnical Society, 2010, 0(8) |
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| Authors: | Ji Liang Chen Degui Liu Yingyi Li Xingwen |
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| Affiliation: | Ji Liang1 Chen Degui1 Liu Yingyi2 Li Xingwen1 (1. Xi'an Jiaotong University Xi'an 710049 China 2. Beihang University Beijing 100084 China) |
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| Abstract: | Well-designed structure of the static conductor is helpful for improving the interruption performance of MCCB. Electro-dynamic force and magnetic field of the electric arc are calculated and compared between circuit breakers using two different static conductors. Based on the calculation results,influencing factors affected by the static conductor structure,including the contact separation time,the repulsive electro-dynamic force acting on the contact,the magnetic field distribution in the electric arc and ... |
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| Keywords: | Molded case circuit breaker(MCCB) finite element method electro-dynamic force magnetic force |
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