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通过虚拟同步补偿器方法增强并网变换器的鲁棒稳定性

Enhancing the Robust Stability of Grid-Tied Converters Through the Virtual Synchronous Compensator Approach

语言:

中文摘要

现代电网的稳定性日益依赖于构网型变换器的性能。虚拟同步机(VSM)是提供电网支撑的关键技术,但其可靠性常受电网阻抗估计偏差及多机交互等不确定性因素挑战。本文探讨了利用虚拟同步补偿器方法来增强变换器在复杂电网环境下的鲁棒稳定性。

English Abstract

The stability of modern power grids is increasingly dependent on the performance of grid-forming converters. The virtual synchronous machine (VSM) has emerged as a key technology to guarantee grid support. However, its reliability is critically challenged by system uncertainties, such as wrong grid impedance estimation and interactions between neighboring converters. Recent studies have applied th...
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SunView 深度解读

该研究直接契合阳光电源构网型(Grid-forming)技术的发展战略。随着PowerTitan系列储能系统及大型光伏电站对电网支撑能力要求的提高,VSM技术已成为提升系统惯量和频率稳定性的核心。本文提出的鲁棒稳定性增强方法,可优化阳光电源组串式逆变器及储能变流器(PCS)在弱电网环境下的控制算法,有效解决多机并联运行时的谐振与交互问题。建议研发团队将其应用于iSolarCloud智能运维平台的仿真模型中,以提升复杂工况下的系统鲁棒性与电网适应性。