ZPUC9-MMC:一种高电压级模块化多电平变换器

Saeed Arazm, K. Al-haddad
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引用次数: 3

摘要

本文提出了一种9电平的z -填充U-cell (ZPUC9)多电平变换器,作为模块化多电平变换器(MMC)的子模块来提高输出波形的电压电平。单直流电源ZPUC9-MMC通过每个臂的单个子模块产生17级相电压和33级线电压波形,由于减少了总谐波失真(THD)而提高了电压质量,并且由于减少了器件数量而提高了可靠性。与同类变流器相比,单直流电源单相和三相运行以及模块化是该配置的主要优点。采用电压平衡与调制技术相结合的方法对变换器中飞行电容器的电压进行控制和调节。MATLAB-Simulink仿真结果验证了该变换器在单机模式下的瞬态和稳态性能
本文章由计算机程序翻译,如有差异,请以英文原文为准。
ZPUC9-MMC: An Increased Voltage Level Modular Multilevel Converter
In this paper a nine level Z-packed U-cell (ZPUC9) multilevel converter has been proposed as a submodule of modular multilevel converter (MMC) to increase the voltage level at the output waveform. Single DC source ZPUC9-MMC generates 17-level phase voltage and 33-Level line voltage waveform through single submodule per arm which increases the voltage quality owing to total harmonic distortion (THD) reduction and increase the reliability due to reduced counts of devices. Single DC source operation for single-phase and three-phase operation as well as the modularity is the main advantages of proposed configuration in comparison with the counterpart converters. Voltage balancing integrated with modulation technique has been used to control and regulate the flying capacitors (FCs) voltages of the converter. Simulation results obtained by MATLAB-Simulink validate the performance of proposed converter in transient and steady state in stand-alone mode
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