并网混合模块化多电平变换器直流链路电压的最大利用

2017 9th International Conference on Information Technology and Electrical Engineering (ICITEE) Pub Date : 2017-10-01 DOI:10.1109/ICITEED.2017.8250465

A. D. Kumar, B. Das, P. Kasari, A. Chakrabarti

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引用次数: 3

摘要

本文提出了一种由全桥子模块和半桥子模块组成的比例为1:2的五电平混合模块化多电平变换器。与传统的半桥式模块化多电平变换器相比，混合模块化多电平变换器可以最大限度地利用直流母线电压，从而实现少变压器运行。相位配置脉宽调制技术用于产生变换器所需的脉冲。最后，利用矢量控制方案实现了混合模块化多电平变换器的并网。该系统还采用了电容电压平衡方案。本文给出了仿真结果以验证整个系统。

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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Maximum utilization of DC link voltage in grid connected hybrid modular multilevel converter

This paper presents a five level hybrid modular multilevel converter that consists of full-bridge sub modules & half-bridge sub modules with a ratio of 1:2. Compared to conventional half bridge based modular multilevel converter, Hybrid modular multilevel converter can provide maximum utilization of available DC bus voltage by which transformer less operation can be obtained. Phase-disposition pulse width modulation technique has been utilized for generating the pulses required for the converter. Finally, grid connection of the hybrid modular multilevel converter using vector control scheme was implemented. Capacitor voltage balancing scheme has also been performed in this system. Simulation results have been presented here for validation of the complete system.

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2017 9th International Conference on Information Technology and Electrical Engineering (ICITEE)

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