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面向宽电压范围应用、具有减少功率转换级的三端口三相AC-DC变换器改进SVPWM控制

Modified SVPWM-Controlled Three-Port Three-Phase AC–DC Converters With Reduced Power Conversion Stages for Wide Voltage Range Applications

语言:

中文摘要

本文提出了一种三端口三相整流器(TPTPR),通过在传统三相六开关升压整流器中引入低压(LV)直流端口,实现交流输入、低压直流负载和高压(HV)直流母线的同时供电。该拓扑适用于电压低于交流线电压峰值且宽范围波动的直流负载场景,有效减少了功率转换级数。

English Abstract

Three-port three-phase rectifiers (TPTPRs) are proposed by introducing a new low-voltage (LV) dc power port into the three-phase six-switch boost rectifier. An ac input port, an LV dc load port, and a high-voltage (HV) dc bus port are provided simultaneously by TPTPRs. A dc load, whose voltage is lower than the peak amplitude of the ac line voltage and varies over a wide range, can be connected to...
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SunView 深度解读

该技术通过减少功率转换级数提升了系统效率和功率密度,对阳光电源的储能PCS及光储一体化产品具有重要参考价值。在PowerTitan或PowerStack等储能系统中,若需在直流母线与辅助直流负载间实现高效能量交互,该三端口拓扑可简化电路设计,降低成本。此外,其改进的SVPWM控制策略有助于提升逆变器在宽电压输入下的动态响应能力,建议研发团队评估该拓扑在工商业光储一体机中的应用潜力,以优化多端口能量管理效率。