单相三电平PWM整流器

Proceedings of the IEEE 1999 International Conference on Power Electronics and Drive Systems. PEDS'99 (Cat. No.99TH8475) Pub Date : 1999-07-27 DOI:10.1109/PEDS.1999.794537

B. Lin, Hsin-Hung Lu

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引用次数: 43

摘要

本文提出了一种新的单相三电平PWM整流器的PWM控制方案，以提高整流器的电能质量。采用带两个功率开关的二极管桥作为PFC电路，实现了高功率因数和低谐波失真。该控制方案基于带滞后电流控制器(HCC)的查找表。基于所提出的控制方案，驱动线路电流遵循与电源电压同相的正弦电流指令。软件仿真和实验结果验证了所提出的控制方案。结果表明，所测线路电流谐波和功率因数均满足IEC 1000-3-2的要求。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Single-phase three-level PWM rectifier

This paper presents a new PWM control scheme for a single-phase three-level PWM rectifier to improve the power quality. A diode bridge with two power switches is adopted as a PFC circuit to achieve a high power factor and low harmonic distortion. The control scheme is based on a look-up table with hysteresis current controller (HCC). Based on the proposed control scheme, the line current is driven to follow the sinusoidal current command which is in phase with the supply voltage. The software simulation and experimental results are shown to verify the proposed control scheme. It is shown that the measured line current harmonics and power factor satisfy the IEC 1000-3-2 requirements.

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Proceedings of the IEEE 1999 International Conference on Power Electronics and Drive Systems. PEDS'99 (Cat. No.99TH8475)

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