模块化多电平换流器电磁暂态模型研究综述Review of Electromagnetic Transient Modeling of Modular Multilevel Converters
陈武晖;吴明哲;张军;余浩;梁定康;
摘要(Abstract):
在实际投入运行的柔性直流输电(VSC-HVDC)工程中多采用模块化多电平换流器(modular multilevel converter,MMC)。由于MMC电平数量多,拓扑结构复杂,MMC模型详细程度和计算效率是一对主要矛盾。为解决这一问题,相关文献根据各种具体需求,已经提出MMC详细模型、等值电路模型、平均值模型以及简化平均值模型,根据建模方法具体可以分为6种模型。按照由复杂到简单、计算速度由慢到快的顺序,全面阐释了6种模型的建模基本思路和方法、模型适用范围以及计算效率;然后,指出了MMC电磁模型存在的问题和面临的挑战,提出了未来MMC电磁暂态建模的努力方向。
关键词(KeyWords): 模块化多电平换流器;MMC详细模型;戴维南等效模型;平均值模型
基金项目(Foundation): 国家自然科学基金项目(51977098);; 山西省应用基础研究项目(201801D221362)~~
作者(Author): 陈武晖;吴明哲;张军;余浩;梁定康;
Email:
DOI: 10.13335/j.1000-3673.pst.2020.0322
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