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分布式电源并网对配电网电能质量的影响研究 被引量:15

The influence of distributed power access on power quality of distribution network
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摘要 分布式电源在配电网的并网规模越来越大,但分布式电源出力具有典型的随机特征和不确定性,分布式电源的并网会对配电网电能质量带来很大的影响。基于分布式电源的输出功率特性,文中分析了分布式电源并网对配电网电能质量影响的原理,并建立了含分布式电源的配电网电能质量的仿真计算模型,对分布式电源在不同并网容量和不同并网位置下的配电网电压偏差、电压波动和电压谐波含量进行了仿真分析,获得了分布式电源并网对配电网电能质量的影响规律。文中研究成果可为分布式电源的并网及配电网电能质量的提高,提供有效的理论参考和技术指导。 The scale of distributed power in the distribution network is increasing,but the distributed power supply output has typical random characteristics and uncertainties,and the grid-connection of distributed power supply will affect the power quality of distribution network greatly.Based on the power characteristics of distributed power supply,the principle of influence of distributed power grid connection on power quality of distribution network is analyzed,the power quality simulation calculation model of distribution network with distributed power supply is established,and the voltage deviation,voltage fluctuation and voltage harmonic content of distribution network under different grid-connected capacity and different grid-connected position of distributed power supply are simulated and analyzed.The research results of this paper can provide effective theoretical reference and technical guidance for the interconnection of distributed power supply and the improvement of power quality of distribution network.
作者 凌松 张莹 LING Song;ZHANG Ying(State Grid Anhui Electric Power Co.,Ltd.,Hefei 230001,China)
出处 《信息技术》 2020年第5期97-101,共5页 Information Technology
关键词 配电网 分布式电源 电压偏差 电压波动 谐波含量 distribution network distributed power supply voltage deviation voltage fluctuation harmonic content
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