← 返回

面向铁路交通电气化的高效多电平DC/AC牵引逆变器设计与开发

Design and Development of an Efficient Multilevel DC/AC Traction Inverter for Railway Transportation Electrification

语言:

中文摘要

本文针对铁路交通电气化趋势,提出了一种用于轨道交通车辆的新型三相六电平DC/AC逆变器设计方案。该拓扑结构相比传统PWM逆变器显著降低了组件的电压应力,提升了系统效率与可靠性。

English Abstract

This paper presents a new trend in the transportation industry to adopt the multilevel inverter-based propulsion systems and gives the design procedure of a new DC/AC three-phase six-level inverter for powering the rail metro cars. The proposed inverter is based on the multilevel converter as it possesses much lower component voltage stress compared with the pulsewidth-modulated (PWM) topologies. ...
S

SunView 深度解读

该研究提出的多电平拓扑技术在降低功率器件电压应力方面具有显著优势,这对阳光电源的高功率密度逆变器研发具有参考价值。虽然目前阳光电源业务聚焦于光伏、储能及风电领域,但多电平技术(如三电平/五电平)是提升集中式光伏逆变器及大型储能变流器(如PowerTitan系列)效率和输出波形质量的核心手段。建议研发团队关注该文献中关于多电平调制策略及电压应力优化方法,以进一步提升大功率变流产品的可靠性与功率密度。