【摘要】 本文介绍了一种能消除特定谐波的优化梯形波 PWM 方法,其输出基波电压 V₁与调制比 M 成正比的线性控制区宽。文中详细地论述了优化梯形波 PWM 原理和开关点的算法,说明了采用8088十六位微处理器组成系统的方法及特点。试验结果表明该方法是可行的。更多还原

【Abstract】 An optimized staircase PWM with capability of cancellating specific harmonics is presented in this paper.In this method the linear control range that the output fundamental vol- tage component V₁ is proportional to the staircase amplitude M is wide.The principle of the optimized staircase PWM and calculation of the switching points are described in detail.The method of making up the system with 8080 microprocessor and its feature is given.Experiment result has been shown that the method is feasible。更多还原