浙江电力

2026, v.45;No.359(03) 106-119

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多逆变器并网系统谐振分析及抑制策略研究综述
A review of resonance analysis and suppression strategies for multi-inverter grid-connected systems

竺明哲,王宇航,葛乐
ZHU Mingzhe,WANG Yuhang,GE Le

摘要(Abstract):

并网逆变器为新能源发电核心装备,而多逆变器并网系统存在潜在的谐振风险。为此,对近年来该领域研究成果进行了梳理并对未来发展趋势进行展望。分析了影响多逆变器谐振的因素,包括电网阻抗、非线性特性、逆变器参数差异等方面。在建模方法层面,重点探讨诺顿等效模型、特征值分析模型以及谐波状态空间模型的建模方法及其优缺点与适用场景。阐述了有源阻尼法、阻抗重塑和有源阻尼器等主动谐振抑制策略。最后,围绕所提及的3个方面,对其未来的发展趋势和核心挑战进行了展望。本文可为多逆变器并网系统谐振问题的研究提供参考,助力高比例可再生能源接入下的电网稳定运行。
Grid-connected inverters are the core equipment of renewable energy generation, while multi-inverter grid-connected systems are subject to potential resonance risks. To address this issue, recent research progress in this field is systematically reviewed, and future development trends are discussed. The factors influencing resonance in multi-inverter systems are analyzed, including grid impedance, system nonlinearities, and parameter mismatches among inverters. From the perspective of modeling methods, Norton equivalent models, eigenvalue-based analysis models, and harmonic state-space models are examined in detail, with emphasis on their respective advantages, limitations, and applicable scenarios. Active resonance suppression strategies, such as active damping methods, impedance reshaping, and active dampers, are then elaborated. Finally, future research directions and key challenges are outlined around the three aforementioned aspects. This review provides a useful reference for research on resonance in multi-inverter grid-connected systems and contributes to the stable operation of power grids with high penetration of renewable energy.

关键词(KeyWords): 多逆变器系统;谐振稳定性;谐振抑制策略
multi-inverter systems;resonance stability;resonance suppression strategy

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(52477101)

作者(Author): 竺明哲,王宇航,葛乐
ZHU Mingzhe,WANG Yuhang,GE Le

DOI: 10.19585/j.zjdl.202603010

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