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一种基于钳位电路的高频飞跨电容多电平逆变器电压测量系统

A Clamping-Circuit-Based Voltage Measurement System for High-Frequency Flying Capacitor Multilevel Inverters

语言:

中文摘要

随着高频飞跨电容(FC)多电平逆变器在提升功率密度方面的应用日益广泛,对其电压监测系统的紧凑性、响应速度及精度提出了更高要求。本文设计并开发了一种新型FC电压测量系统,通过对逆变器开关节点的精确采样,实现了高效的电压监测。

English Abstract

In an era where high-frequency flying capacitor (FC) multilevel inverters (MLIs) are increasingly gaining attention in energy conversion systems that push the boundaries of power density, the need for a compact, fast, and accurate FC voltage monitoring system is also increasing. In this article, we designed and developed a new FC measurement system, based on precise sampling of the inverter switch...
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SunView 深度解读

该技术对阳光电源的组串式逆变器及PowerTitan储能系统具有重要参考价值。随着功率密度要求的不断提升,多电平拓扑(如NPC或飞跨电容结构)在提高效率和减小磁性元件体积方面优势显著。该测量系统提出的高精度、紧凑型电压监测方案,有助于解决多电平拓扑中电容电压平衡控制的难点,提升逆变器在极端工况下的可靠性与控制精度。建议研发团队关注该钳位电路在宽禁带半导体(SiC/GaN)应用中的电磁兼容性表现,以优化下一代高功率密度产品的硬件设计。