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电压比例缩放谐波注入永磁同步电机高速驱动方法

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电压比例缩放谐波注入永磁同步电机高速驱动方法
High Speed Drive Method of Permanent Magnet Synchronous Motor Based onVoltage Proportional Contraction Harmonic Injection
投稿时间:2016-06-12
DOI:10.15918/j.tbit1001-0645.2018.01.005
中文关键词:永磁同步电机查表式谐波注入等比例电压矢量缩放高速
English Keywords:permanent magnet synchronous motorlook-up table type harmonic injectionphase voltage ratio zoomhigh-speed
基金项目:中国博士后基金资助项目(2016M600256);黑龙江省博士后基金资助项目(LBH-Z16092)
作者单位
王磊哈尔滨理工大学 机械动力工程学院, 黑龙江, 哈尔滨 150080
姜瑞哈尔滨工业大学 机电工程学院, 黑龙江, 哈尔滨 150001
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中文摘要:
为了提高永磁同步电机母线电压利用率,减小电压矢量合成角度偏差,提出了一种基于电压比例缩放谐波注入式脉宽调节方式.谐波注入采用查表式,以减小电流环计算时间,提高电流响应速度.采用电压比例缩放的脉宽调制方式,消除了传统脉宽调制限幅造成的电压矢量计算角度偏差.仿真及实验结果表明,该种脉宽调制方法提高了母线电压利用率,有效抑制了传统脉宽调制方法的电压矢量计算角度偏差,提高电机在高速旋转工况下的电流响应特性.
English Summary:
In order to raise the utilization ratio of permanent magnet synchronous motor bus voltage,and reduce the voltage vector angular deviation, a method with harmonic injection pulse width modulation was proposed based on voltage ratio zoom. In harmonic injection with look-up table type, it was taken as advancing the current respond rate to reduce the harmonic value computation time. A pulse width modulation method of voltage ratio zoom was utilized to eliminate the calculation deflection of voltage vector, and raise the utilization ratio of the bus voltage.The simulation and experimental results show that this kind of pulse width modulation can improve the utilization ratio of the bus voltage and motor response ability under high speed command.
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