基于磁路饱和调整的永磁机构设计方法  

Design of Permanent Magnetic Actuator Based on the Magnetic Saturation Control

作　　者：刘焱[1] 王宏[2] 王洋[3] 王毅[1] 

机构地区：[1]北京交通大学电气工程学院,北京100044 [2]沈阳三丰电气有限公司,沈阳110102 [3]中国卫星海上测控部.江苏江阴214431

出　　处：《高压电器》2014年第4期61-65,共5页High Voltage Apparatus

摘　　要：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。By analyzing the magnetic saturation of permanent magnetic actuator（PMA）, the magnetic circuit of the mono-stable PMA is adjusted in order to improve the static holding force and reduce the working energy consumption. Focused on the relationship between core area and magnetic saturation, the optimal size of core is selected to get the best static and dynamic characteristics of mechanism, including static holding force, peak working current and working time, switch-on and switch-off speed. The effect of improvement is tested by experiment and proves to be effective.

关 键 词：永磁操动机构 磁路 磁饱和 优化设计 

分 类 号：TM561.2[电气工程—电器]