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基于多参数分布的单相逆变器鲁棒稳定性评估

Robust Stability Assessment of Single-Phase Inverter With Multiparameter Distributions

语言:

中文摘要

并网逆变器在运行中常面临电感、电容等参数因老化或电网环境变化带来的不确定性,这会削弱系统稳定性并增加运行风险。本文针对多参数分布下的逆变器鲁棒稳定性进行评估,旨在解决传统分析方法在处理多参数不确定性时的局限性,为逆变器设计提供更可靠的稳定性保障。

English Abstract

Grid-connected inverters inevitably operate under uncertain system parameters. These uncertain parameters such as inductance and capacitance are caused by device aging or uncertain grid conditions. And they will affect the stability margin of the inverter and bring an unstable operation risk even with a well initial design. The existing research articles mainly focus on robust stability analysis a...
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SunView 深度解读

该研究直接关联阳光电源的核心产品——组串式及户用光伏逆变器。在实际应用中,逆变器长期运行于复杂电网环境,电感和电容参数的漂移是影响系统并网稳定性的关键因素。该文献提出的多参数分布鲁棒稳定性评估方法,可优化阳光电源iSolarCloud智能运维平台的故障预警模型,提升逆变器在弱电网或极端环境下的适应性。建议研发团队将其引入控制算法的鲁棒性设计阶段,以提升产品在全生命周期内的稳定性,降低因参数老化导致的脱网风险,进一步巩固阳光电源在光伏逆变器领域的可靠性优势。