| 引用本文: | 陈 炜,艾 欣,吴 涛,刘 辉.光伏并网发电系统对电网的影响研究综述[J].电力自动化设备,2013,33(2): |
| CHEN Wei,AI Xin,WU Tao,LIU Hui.Influence of grid-connected photovoltaic system on power network[J].Electric Power Automation Equipment,2013,33(2): |
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| 摘要: |
| 对光伏并网发电系统的2种重要形式（分布式光伏并网发电系统与大规模集中式光伏并网发电系统）的原理与特点进行了详尽的阐述，分析并总结出这2种光伏并网发电系统接入电网后会对电网主要产生如下几方面的问题：关于谐波、电压与频率的电能质量问题；孤岛效应问题；可靠性与稳定性问题；电网效益问题；配电网的负荷特性、规划与调度、配电网自动化、配电网电压、配电网保护等问题。在此基础上对光伏并网发电系统接入电网后所产生的每类问题的原因及国内外研究现状与主要解决措施进行了综述。 |
| 关键词: 光伏 并网 孤岛效应 逆变器 安全 稳定 可再生能源 |
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| Influence of grid-connected photovoltaic system on power network |
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CHEN Wei1, AI Xin1, WU Tao2, LIU Hui2
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1.State Key Laboratory for Alternate Electrical Power System with Renewable Energy Sources，
North China Electric Power University，Beijing 102206，China;2.North China Electric Power Research Institute，Beijing 100045，China
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| Abstract: |
| The principle and features of distributed and large-scale centralized grid-connected photovoltaic power systems are described in detail and the problems due to their connection with power grid are analyzed and summarized：the power quality problems on harmonic，voltage and frequency；the islanding problem；the problems on reliability and stability；the matters of grid benefit；the problems on load characteristics，planning and dispatch，distribution automation，grid voltage，grid protection，etc，based on which，the causes of each problem are reviewed，as well as the research status and main solutions at home and abroad. |
| Key words: photovoltaic grid connection islanding effect electric inverters security stability renewable energy resource |
