论文标题
最佳时域正弦脉冲宽度调制技术
Optimal Time-Domain Sinusoidal Pulse Width Modulation Technique
论文作者
论文摘要
在正弦调制电压脉冲宽度的限制下，给出了针对单相和三相逆变器的最佳时域脉冲宽度调制技术。电流和电压中的谐波含量表示为位移因子的函数，其表征是正弦调制的电压脉冲在每个采样下间隔中的放置。讨论了对称性对这些位移因子对三相逆变器的影响。谐波的最小化被称为一个优化问题，然后在数值上解决该问题以揭示谐波性能的改善。
An optimal time-domain pulse width modulation technique is presented for single-phase and three-phase inverters under the constraint of sinusoidally modulated voltage pulse widths. Harmonic content in currents and voltages is expressed as function of displacement factors, which characterize the placement of the sinusoidally modulated voltage pulses in each sampling subinterval. Implications of symmetries on these displacement factors for three-phase inverters are discussed. Minimization of harmonics is stated as an optimization problem, which is then numerically solved to reveal improvements in harmonic performance.
