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基于桥式高开关频率电力电子变换器实时仿真建模方法

Modeling Method for the Real-Time Simulation of Bridge-Based High-Switching-Frequency Power Electronic Converters

语言:

中文摘要

Ron/Roff模型在电力电子变换器实时仿真中精度高,但迭代运算限制了其在高开关频率领域的应用。本文提出了一种确定半桥臂开关状态的非迭代新方法,有效提升了仿真效率,为高频电力电子系统的实时仿真提供了新思路。

English Abstract

The $R_{\text{on}}/R_{\text{off}}$ model provides high accuracy in the real-time simulation of high-switching-frequency power electronic converters. However, the iterative operations limit the application of the $R_{\text{on}}/R_{\text{off}}$ model in high-switching-frequency domains. This article presents a novel noniterative method for determining the switch statuses of half-bridge arms. By pred...
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SunView 深度解读

该研究对于阳光电源的核心产品线(如组串式光伏逆变器、PowerTitan储能系统及风电变流器)具有重要价值。随着碳化硅(SiC)等宽禁带半导体器件的应用,逆变器开关频率不断提升,传统的实时仿真模型面临计算瓶颈。该非迭代建模方法能显著提升研发阶段的硬件在环(HIL)仿真精度与速度,缩短产品开发周期。建议研发团队将其应用于高频功率模块的控制策略验证,特别是在提升储能PCS的动态响应和光伏逆变器的效率优化方面,该技术可作为提升iSolarCloud智能运维平台底层仿真模型性能的关键支撑。