光伏电站并网时的畸变状态研究

2023 Power Quality and Electromagnetic Compatibility at Low Frequency (PQEMC-LF) Pub Date : 2023-06-28 DOI:10.1109/PQEMC-LF58184.2023.10211544

Ihsan Mizher Baht, P. Nicolae, I. Nicolae

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引用次数: 0

摘要

本文研究了光伏发电系统运行的理论和实践问题。近年来它们的广泛应用带来了许多好处，但也显示出与非正弦状态和所连接系统的稳定性有关的缺点。在孤岛网和无限电网中分别讨论了光伏系统集成的具体方面。研究了逆变器附近、光伏板附近和光伏系统所连接的电网附近的电压和电流。分析了系统各点电压和电流的谐波分解。分析了电压、电流滤波方案和有源滤波器的连接方法。探讨了滤波器对有源滤波器各连接点的影响，建立了最优有源补偿方案。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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On the Distorting Regime at the Connection of Photovoltaic Plants to Grid

The paper deals with theoretical and practical aspects related to the photovoltaic (PV) systems operation. Their wide utilization in the last years brings a lot of benefits but also exhibits drawbacks related to non-sinusoidal regimes and stability of the systems to which are connected. Particular aspects related to the integration of a photovoltaic system in an islanded network, respectively in an infinite power network, are addressed. The voltages and currents near the inverter, near the PV panels and near the grid to which the PV system is connected are studied. The harmonic decompositions of voltages and currents from various points of the system are analyzed. Voltage and current filtering solutions and the method of connecting active filters are analyzed. The influence of the filters on the various connection points of the active filters is approached, establishing optimal active compensation solutions.

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2023 Power Quality and Electromagnetic Compatibility at Low Frequency (PQEMC-LF)

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