【摘要】 在分析了SVPWM原理的基础上,详细介绍了广义的不连续空间矢量DPWM算法及其在S imu link环境下实现的方法,并且对SVPWM、四种DPWM算法的相电压调制波和逆变器输出线电压的谐波特征进行了比较分析,最后将DPWM应用于异步电动机调速系统,仿真结果验证了方法的可行性。更多还原

【Abstract】 Based on the analyses of the SVPWM principles,the generalized discontinuous space vector modulation(DPWM) algorithm and its realization methods were introduced in detail.The harmonic of phase voltage modulation wave of SVPWM and four sorts of DPWM were analyzed.Furthermore,the harmonic characteristics of inverter output line voltage controlled by two DPWM strategies are compared.In the end,the simulation results of asynchronism machine speed control system using DPWM technology were shown.更多还原