the main studying contents and achievements in this dissertation are presented as follows . based on the analysis of the selective harmonic elimination pwm mathematical model, an equivalent newton iteration solving method about the switching angles nonlinear transcendental equation set is presented . the algorithmic convergence time is enormously reduced and the algorithmic convergence ability is highly increased 本文的主要研究內容和成果如下:通過對單相特定消諧pwm數學模型的分析,提出了關于開關角非線性超越方程組的等效轉化牛頓迭代解法,極大地縮短了算法收斂時間,提高了算法的收斂性,為特定消諧pwm開關角的工程計算提供了新的方法。
the main studying contents and achievements in this dissertation are presented as follows . based on the analysis of the selective harmonic elimination pwm mathematical model, an equivalent newton iteration solving method about the switching angles nonlinear transcendental equation set is presented . the algorithmic convergence time is enormously reduced and the algorithmic convergence ability is highly increased 本文的主要研究內容和成果如下:通過對單相特定消諧pwm數學模型的分析,提出了關于開關角非線性超越方程組的等效轉化牛頓迭代解法,極大地縮短了算法收斂時間,提高了算法的收斂性,為特定消諧pwm開關角的工程計算提供了新的方法。