基于多功能并网逆变器的微电网电能质量研究 |
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引用本文: | 韩晗,陈江伟.基于多功能并网逆变器的微电网电能质量研究[J].电气自动化,2016(6). |
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作者姓名: | 韩晗 陈江伟 |
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作者单位: | 1. 国网江苏省宿迁市泗阳县供电公司,江苏泗阳,223700;2. 国网上海市电力公司,上海,200000 |
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摘 要: | 针对微电网中含有非线性、不平衡以及无功负荷,从而导致微电网的电压、电流发生畸变,引起谐波污染等电能质量问题。提出了一种能够实现并网发电和电能质量治理双重功能的多功能并网逆变器。集成了向分布式电网注入有功功率和对并网点处的谐波、负载无功、三相不平衡进行补偿等多种功能。最后,利用PSCAD/EMTDC验证了设计的可行性。
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关 键 词: | 微电网 多功能并网逆变器 并网 电能质量 谐波检测 |
A Research on Micro-grid Power Quality Based on the Multi-functional Grid Connection I nverter |
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Abstract: | In view of micro-grid power quality problems of voltage/current distortion and harmonic pollution caused by nonlinear,unbalanced and reactive load contained in the micro-grid,this paper proposes a multifunctional grid connection inverter which can perform both grid-connection generation and power quality improvement.This grid connection inverter can inject active power into the distributed grid and compensate for the harmonics,load reactive power and three-phase unbalance at the grid connection point.Finally,the feasibility of the above mentioned design is verified by PSCAD/EMTDC. |
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Keywords: | micro-grid multi-functional grid connection inverter grid connection power quality harmonic detection |
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