通用柔性电源管理系统中7电平交直流背靠背变换器的预测电流控制

S. Bifaretti, P. Zanchetta, F. Iov, J. Clare
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引用次数: 11

摘要

提出了一种面向未来电网通用柔性电源管理的新型电源转换系统(UNIFLEX-PM)。其结构基于背靠背三相交直流7电平变换器;每个交流侧连接到不同的PCC,代表主电网和/或各种分布式发电系统。在Matlab-Simulink环境下,基于双端口结构模型,采用预测控制技术,验证了功率流控制的有效性和准确性。在电压不平衡、频率偏移和谐波畸变等多种网络条件下,已经成功地测试了不同潮流分布的控制方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Predictive current control of a 7-level AC-DC back-to-back converter for Universal and Flexible Power Management system
The paper proposes a novel power conversion system for Universal and Flexible Power Management (UNIFLEX-PM) in Future Electricity Network. Its structure is based on a back-to-back three-phase AC-DC 7-level converter; each AC side is connected to a different PCC, representing the main grid and/or various distributed generation systems. Effective and accurate power flow control is demonstrated through simulation in Matlab-Simulink environment on a model based on a two-port structure and using a Predictive Control technique. Control of different Power flow profiles has been successfully tested in numerous network conditions such as voltage unbalance, frequency excursions and harmonic distortion.
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