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模块化多有源桥变换器高频母线电压振荡抑制技术

Voltage Oscillation Suppression for the High-Frequency Bus in Modular-Multiactive-Bridge Converter

语言:

中文摘要

本文针对现代电力电子系统中由高dv/dt和寄生参数引起的高频振荡(HFO)问题,研究了模块化多有源桥(MMAB)变换器。MMAB包含大量开关器件和磁性元件,其高频母线电压振荡是影响系统效率与可靠性的关键挑战。

English Abstract

The electromagnetic interference issues, such as high-frequency oscillation (HFO) caused by the high dv/dt and parasitic elements, have been becoming a challenge in modern power electronics. Modular-multiactive-bridge (MMAB) converter, in which active bridge modules are linked with high-frequency transformers, is a typical power converter with a large number of switching semiconductor and magnetic...
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SunView 深度解读

该研究针对MMAB变换器的高频振荡抑制,对阳光电源的储能系统(如PowerTitan、PowerStack系列)及大功率DC-DC变换环节具有重要参考价值。随着储能系统向高压、高功率密度方向发展,多模块并联带来的寄生参数耦合及高频EMI问题日益突出。该技术有助于优化PCS内部功率模块的布局与驱动控制,降低开关损耗与电磁干扰,提升大容量储能系统的电能质量与运行可靠性。建议研发团队关注该抑制策略在多模块并联储能变流器中的工程化应用。