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中文摘要：
针对PWM整流器在控制过程中存在的问题,本文基于能量的观点研究了阻感性负载的三相电压型PWM整流器的建模与控制.建立了PWM整流器dq旋转坐标下的数学模型,根据系统的控制目标确定了期望的平衡点,并分析了系统在平衡点的稳定性,同时采用李雅普诺夫方法通过注入阻尼得到PWM整流器的控制器,并在MATLAB/Simulink环境中进行了仿真分析,仿真结果表明,该系统稳态性能较好,能够抑制负载扰动,并且具有良好的电压跟踪和单位功率因数控制性能.该控制器具有广阔的应用前景.
英文摘要：
Aimed at the problems existing in the control process of the PWM rectifier, the model and con troller of three-phase voltage source PWM rectifier with resistance and inductance load are presented based on the energy point. Firstly, the mathematical model of three-phase voltage source PWM rectifier in the dq rotation frames is established; Then, the desired equilibrium point is obtained according to the target of the system and the stability of the system is analyzed. The controller of PWM rectifier is designed by the Lyapunov method and damping injection. The simulation results based on MATLAB/SimuIink demon- strate that the system has good steady state ,can control the load disturbance and has good speed tracking and unit power factor control performance. The controller has certain application prospects.
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