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基于电磁斥力原理的高速触头机构仿真分析与设计

, PP. 172-177

Keywords: 高速机械触头,电磁斥力机构,有限元仿真,混合型限流断路器

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Abstract:

为了分析电磁斥力机构主要参数对斥力机构作用效果的影响,以指导基于电磁斥力原理的高速机械触头机构的设计,在对电磁斥力机构工作原理进行细致分析的基础上,推导出斥力的计算方程。采用有限元仿真计算的方法分析了不同机构参数对电磁斥力的影响规律,为优化设计提供依据。设计了基于电磁斥力原理的高速机械触头机构样机,样机的实验结果验证了仿真分析正确、可靠,同时表明该机械触头的初始分离时间为220μs,能够满足混合型限流断路器对高速机械触头机构快速动作、高速运动特性的要求。

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