摘要
永磁容错电机的各相绕组采用H桥逆变器供电,消除了各绕组间的中性点,实现了电气隔离,提高了电机控制系统的直流电压利用率和容错性能。在分析永磁容错电机H桥逆变电路结构和工作原理的基础上,阐述了电压空间矢量脉宽调制(SVPWM)和电流滞环跟踪脉宽调制(CHBPWM)的原理,设计了三相永磁容错电机的矢量控制系统,并建立了三相永磁容错电机SVPWM和CHBPWM的仿真模型,搭建了基于DSP的三相永磁容错电机矢量控制系统试验平台。通过仿真和试验,对比分析了两种控制策略的优缺点和适用范围。
The H-bridge inverters are adapted to supply power for the fauh-tolerant permanent magnet motor （FTPMM）. on the base of analyzing the circuit structure and principle of H-bridge inverter, the basic principle of space vector pulse width modulation （SVPWM） and current hysteresis band pulse width modulation （CHBPWM） for three-phase fault-tolerant permanent magnet motor （FTPMM） was introduced and the FTPMM vector control system was designed. Then the simulations were built in MATLAB/Simulink and the experimental platform of three-phase FTPMM control system based on digital signal processor （DSP） was built and the experiments were carried out on it. The advantages and disadvantages and application fields of two control strategies were compared from the simulation and experiment results.
出处
《电机与控制应用》
北大核心
2016年第8期14-20,共7页
Electric machines & control application
基金
国家自然科学基金项目(51077007)
辽宁省科学技术计划(2011224004)
中央高校基本科研业务费专项资金项目(3132016313)
关键词
H桥逆变器
永磁容错电机
矢量控制
电流滞环跟踪脉宽调制
电压空间矢量脉宽调制
H-Bridge inverter
fault-tolerant permanent magnet motor （FTPMM）
vector control
current hysteresis band pulse width modulation（CHBPWM）
space vector pulse width modulation（SVPWM）
