← 返回

带分裂直流母线电容的三相四线制逆变器中性电感与滤波电感优化设计

Optimized Design of the Neutral Inductor and Filter Inductors in Three-Phase Four-Wire Inverter With Split DC-Link Capacitors

语言:

中文摘要

本文研究了带分裂直流母线电容的三相四线制逆变器,该拓扑可有效应对不平衡负载。为减小滤波电感体积,文中引入了中性线电感,并详细分析了其工作原理及对系统性能的影响,旨在通过优化电感设计提升逆变器功率密度与效率。

English Abstract

The three-phase four-wire inverter with split dc-link capacitors can supply unbalanced loads. For the purpose of reducing the filter inductors, a neutral inductor could be introduced into the neutral line. This paper analyzes the operation principle of the three-phase four-wire inverter with split dc-link capacitors when a neutral inductor is introduced. It is illustrated that the neutral inductor...
S

SunView 深度解读

该研究直接关联阳光电源的核心业务。三相四线制拓扑在工商业光伏逆变器及户用储能系统(如ST系列PCS)中应用广泛,尤其在应对复杂不平衡负载场景时至关重要。通过引入中性电感优化滤波电路,有助于进一步缩小产品体积、降低磁性元件损耗,从而提升阳光电源组串式逆变器和储能变流器的功率密度。建议研发团队在下一代高频化逆变器设计中引入该优化策略,以提升产品在严苛负载环境下的电能质量与成本竞争力。