基于主控制器的MMC系统能量共享中的变换器能量平衡

2015 International Conference on Electrical Drives and Power Electronics (EDPE) Pub Date : 2015-11-12 DOI:10.1109/EDPE.2015.7325265

P. Błaszczyk, M. Winkelnkemper, L. Schwager

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引用次数: 3

摘要

模块化多电平转换器(MMC)是由以串联/并联方式连接的多个子模块构建的电力电子系统，与单组件额定值相比，可以增加转换器的电压和电流范围，从而允许在MVDC和HVDC应用中使用低压低功率产品。为了增加电压或功率，可以将多个mmc串联或并联。本文介绍了一种新的多变换器系统能量平衡算法。能源均分问题凸显。给出了控制算法。最后给出了由两个mmc组成的可配置并联和串联系统的仿真测试结果。

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Converter energy balancing in MMC system energy sharing using master controller

Modular Multilevel Converters (MMC) are power-electronics systems built with number of submodules connected in series/parallel manner to increase voltage and current range of the converter in comparison with single component rating what allows to use low-voltage low-power products in MVDC and HVDC applications. For increase of voltage or power multiple MMCs can be connected in series or parallel. This paper introduces a new energy balancing algorithm for such multi-converter systems. The problem of equal energy sharing is highlighted. Control algorithms are presented. Finally, simulation test results are shown from system comprising two MMCs in configurable parallel and series connection.

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2015 International Conference on Electrical Drives and Power Electronics (EDPE)

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