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标题:分段式永磁直线同步电机垂直驱动系统建模和仿真
作者:王淑红,王 琳,张海啸
2009年第12期 访问次数:206次

摘  要:利用有限元法求得单段式永磁直线同步电机初级电磁参数。假设电机次级进入和退出初级阶段励磁电势的有效值按线性变化,考虑分段供电,建立了多段初级式永磁直线同步电动机驱动系统整体暂态模型。以五段初级垂直提升系统为例,对系统加载启动及突变负载的动态特性进行仿真。仿真及实验结果表明, 所建模型能较好地反映系统的可行性和合理性,为分段式永磁直线同步电机驱动的垂直提升系统中永磁直线同步电机控制系统的优化设计等提供理论依据。
关键词:永磁电机;直线电机;同步电机;多段;初级;暂态模型;仿真;实验
 
Abstract: The electromagnetic parameters of single segment was derived by FEM,and supposed the virtual value of EMF changes according to linearity when the secondary passes the primaries,considering sectionalpower supplying,the dynamic model of the permanent linear synchronous motor(PMLSM)with several segment primaries was established.A vertical elevator with five segment primaries was used as an example.The system’s dynamic characteristics for loaded-startup and load-breaking were simulated and analyzed.The simulation results show that the built model can demonstrate feasibility and rationality of the system well,provide theoretic gist for the optimizing design of the thecontrol system for the PMLSM in the vertical transportation system drived by PMLSM.
Key Words: PM motor;Linear motor;Synchromnous motor;Multi-segment;Primary;Transient model;Simulation;Experiment
 
 
 
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