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An Improved Phase-Shifted PWM for a Five-level Hybrid-Clamped Converter

机译：用于五级混合夹紧转换器的改进的相移PWM

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摘要

Five-level hybrid-clamped (5L-HC) converter is a newly proposed topology which is suitable for medium-voltage high-power conversions without switches directly connected in series. Phase-shifted PWM (PSPWM) is commonly used to control this converter. However, the line voltages of PSPWM include many intervals that jump two voltage levels continuously, which will deteriorate the harmonic performance. This paper proposes an improved PSPWM method for the hybrid five-level converter, which can imitate the effect of phase disposition PWM (PDPWM) and improve the quality of the line voltages. Simulation and experimental results verify the validity of the proposed method.
机译：五级混合钳制（5L-HC）转换器是一种新的拓扑，适用于没有直接串联连接的开关的中电压高功率转化。相移PWM（PSPWM）通常用于控制该转换器。然而，PSPWM的线电压包括多个间隔，其连续跳两个电压电平，这将劣化谐波性能。本文提出了一种改进的混合五级转换器的PSPWM方法，可以模仿相位处理PWM（PDPWM）的效果，提高线电压的质量。仿真和实验结果验证了该方法的有效性。

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