【摘要】 在现有的多电平交流器中,级联型变流器以其结构简单、控制方式简便的优点在高压、大容量的工业领域得到越来越广泛的应用。本文对其基本的拓扑结构、控制策略、以及研究现状进行了讨论。并提出一种在中、高电压电能质量综合治理领域运用级联型多电平变流器的构想。更多还原

【Abstract】 Cascaded multilevel converter is a novel kind of multilevel converter used in high voltage and high power application field. In this paper, the circuit topology, control strategy, current situation of research and application of cascaded converter are presented in detail. Moreover, A new idea about cascaded converter used in UPQC is presented in this paper.更多还原