PWM逆变器特定消谐式谐波抑制技术的研究

Research on Selective Harmonic Elimination Technique in PWM Inverter

在介绍了具有一系列优点的特定消谐技术数学模型的基础上 ,研究了其开关角非线性方程组的解法 ,分析了实际输出波形的谐波问题 ,提出了省略开关角对的优化策略 ;通过硬件电路的设计和实测 ,给出了实验结果 。

A mathematical model of selective harmonic elimination technique which have a series of advantages was introduced, the solution of nonlinear transcendental equations of switching angle is studied, the issue of harmonics of real output waveform is analyzed, optimal strategy that double switching angles are ignored is proposed; the experimental results are shown to be in good agreement with theory through designing the hardware circuit and testing.