CAJ | 학술논문

传统的永磁直线同步电机直接推力控制系统虽然能够获得快速的动态响应，但存在推力脉动大的缺陷。为此，提出基于空间矢量脉宽调制的永磁直线同步电机直接推力控制策略，采用磁链和推力双闭环方式，通过预测电压调节后生成期望的下一周期参考电压矢量，由SVPWM模块生成逆变器触发脉冲。利用MATLAB/Simulink进行仿真，结果表明，基于空间脉宽调制的永磁直线同步电机直接推力控制系统性能稳定，不仅保持了直接推力控制的快速响应性，而且克服了传统直接推力控制推力脉动大的缺陷。
전통적영자직선동보전궤직접추력공제계통수연능구획득쾌속적동태향응，단존재추력맥동대적결함。위차，제출기우공간시량맥관조제적영자직선동보전궤직접추력공제책략，채용자련화추력쌍폐배방식，통과예측전압조절후생성기망적하일주기삼고전압시량，유SVPWM모괴생성역변기촉발맥충。이용MATLAB/Simulink진행방진，결과표명，기우공간맥관조제적영자직선동보전궤직접추력공제계통성능은정，불부보지료직접추력공제적쾌속향응성，이차극복료전통직접추력공제추력맥동대적결함。
While traditional permanent magnet linear synchronous motor ( PMLSM ) direct thrust control ( DTC) system access to fast dynamic response, but have the defects of thrust ripple. This paper proposes a DTC strategy based on space vector pulse width modulation ( SVPWM) for PMLSM. Using dual loop mode of flux and thrust, the trigger pulse is generated with SVPWM module through forecasting the desired refer-ence voltage vector of next cycle. Simulations are carried out with MATLAB/Simulink, and results show that the DTC system for PMLSM based on SVPWM has a stable performance, not only maintain the rapid response of DTC, but also overcome the defects of thrust ripple existing in traditional direct thrust control system.