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高压电器  2014 

基于磁路饱和调整的永磁机构设计方法

, PP. 61-65

Keywords: 永磁操动机构, 磁路, 磁饱和, 优化设计

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Abstract:

从分析永磁机构磁路的饱和度入手,以提高静态保持力降低工作能耗为目的,对单稳态永磁机构磁路进行调整。首先确定了永磁机构中永久磁铁的工作点,其后着重研究了衔铁面积与磁路饱和的关系,及其对机构合闸保持力、分合闸电流峰值、分合闸动作时间和刚分刚合速度等动静态性能的影响,最终确定动铁心最佳尺寸。实验证明调整尺寸对机构性能的改进效果显著。

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