Review of harmonic analysis and mitigation technologies for photovoltaic power stations

ZHANG Yuming; MU Runzhi; WU Guihong; WANG Deng; YANG Ying; ZHOU Zichao; SUN Liming; YANG Bo

doi:10.19783/j.cnki.pspc.251351

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Review of harmonic analysis and mitigation technologies for photovoltaic power stations

更新时间：2026-06-18

- Review of harmonic analysis and mitigation technologies for photovoltaic power stations
- Power System Protection and Control Vol. 54, Issue 11, (2026)
- 作者机构：
- 作者简介：
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- DOI：10.19783/j.cnki.pspc.251351
  CLC：
- Published：2026
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ZHANG Yuming, MU Runzhi, WU Guihong, et al. Review of harmonic analysis and mitigation technologies for photovoltaic power stations[J]. Power System Protection and Control, 2026, 54(11).
DOI：

ZHANG Yuming, MU Runzhi, WU Guihong, et al. Review of harmonic analysis and mitigation technologies for photovoltaic power stations[J]. Power System Protection and Control, 2026, 54(11). DOI： 10.19783/j.cnki.pspc.251351.

摘要

随着光伏发电装机容量的快速增长，光伏电站谐波对电力系统稳定性的影响日益凸显，谐波治理成为保障电网安全运行的关键。为此，系统地综述了光伏电站谐波的产生机理、分类方法、建模技术、分析手段与治理策略。在机理分析中，不仅关注并网逆变器的主导作用，还综合阐述了站内辅助设备与背景谐波激励的多源耦合特性。在建模方法上，对比了机理建模、数据驱动建模及混合建模的优缺点与适用场景，突出了混合建模在复杂工况下的应用潜力。在谐波分析方面，区分了实测与仿真两类方法，并针对不同规模光伏电站提出了适用的分析方法组合。治理技术则从有源、无源与混合滤波 3 个方面展开，阐述了各自的作用机理与工程适用性。最后展望了谐波分析向智能化发展、谐波治理向源头抑制与协同治理转变的趋势，并提出全生命周期管理与标准完善等建议。

Abstract

With the rapid growth of installed photovoltaic (PV) generation capacity

the influence of harmonics in PV power stations on power system stability has become more and more prominent

making harmonic mitigation a key issue for ensuring secure grid operation. This paper systematically summarizes the harmonic generation mechanisms

classification methods

modeling techniques

analysis approaches

and mitigation strategies for PV power stations. In the mechanism analysis

attention is paid not only to the dominant role of grid-connected inverters

but also to the multi-source coupling characteristics involving auxiliary equipment within the station and background harmonic excitations. On modeling methods

the advantages

disadvantages

and applicable scenarios of mechanism-based modeling

data-driven modeling

and hybrid modeling are compared

highlighting the application potential of hybrid modeling under complex working conditions. In terms of harmonic analysis

measurement-based and simulation-based approaches are distinguished

and suitable combinations of analysis methods are proposed for different scale PV power stations. Harmonic mitigation technologies are discussed from three aspects: active filtering

passive filtering

and hybrid filtering

and their respective mechanisms and engineering applicability are expounded. Finally

future trends are discussed

including the development of intelligent harmonic analysis and the transition of harmonic mitigation toward source suppression and coordinated governance. Recommendations such as lifecycle management and improvement of standards are also proposed.

关键词

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references

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Related Institution

CAI Xiaofeng(1. College of Electrical Engineering, North China University of Water Resources and Electric Power

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State Grid Hebei Electric Power Co., Ltd.

Shijiazhuang Campus, Army Engineering University

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