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Mathematical Model and Simulation of Inverter-Permanent Magnet Brushless Motor System
Author(s): 
Pages: 12-20
Year: Issue:  10
Journal: Transactions of China Electrotechnical Society

Keyword:  永磁无刷电动机电压开关函数换流过程仿真;
Abstract: 永磁无刷电动机以其功率密度高、调速范围宽以及运行效率高而广泛应用于电动车辆的驱动系统,而采用120°方波电流控制的永磁无刷电动机虽然控制方式简单,但仿真分析模型复杂.寻求一种简洁实用的仿真模型对于分析永磁无刷电动机的转矩脉动、提升控制性能十分关键.本文引入电压开关函数建立了永磁无刷电动机仿真与分析模型,该模型综合考虑逆变器开关过程、电感续流过程、电动机换流过程中的动态电流变化过程.仿真和实验结果比...
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