利用电力电子接口将分布式电源与弱电网连接以减轻谐波畸变

R. M. Moreno, J. Pomilio, L. C. P. da Silva, S. P. Pimentel
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引用次数: 7

摘要

本文提出了一种集成两种可再生能源的电力电子接口(PEI)。通过电压源变换器(VSC)的直流链路终端电压和交流终端电压来控制不同分布式电源的产生。可以控制可再生能源向本地负荷供电,并将多余的能量输出到电网。分析了电网电压畸变对电网电流质量的影响。提出了基于谐振无源滤波器和谐波注入补偿电压电网畸变的解决方案。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Mitigation of harmonic distortion by power electronic interface connecting distributed generation sources to a weak grid
In this paper a Power Electronic Interface (PEI) that integrates up to two renewable energy sources is presented. The generation of the different distributed sources is controlled through the DC link terminal voltage and the AC terminal voltage of the voltage source converter (VSC). The renewable source can be controlled to supply electricity to the local load and export the exceeding energy to the grid. The system is analyzed under distorted grid voltage, where the quality of the grid current is affected. Solutions based on resonant passive filters and on the injection of harmonics to compensate the voltage grid distortion are presented.
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