光伏单相并网中谐波失真研究
Research of Harmonic Distortion in Photovoltaic Single phase Grid connected
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摘要: 光伏(PV)与电网的连接系统是一门新兴的技术,光伏电网中的谐波问题因此也备受关注。该文针对光伏并网系统的开关频率所导致的谐波失真问题进行探讨,运用变换张量的模式建立光伏仿真模型,并且通过将仿真结果和已发表的测量值进行比较,从而得出由于开关频率的范围不同,系统参数值、电能质量都会受到不同的影响。Abstract: Nowadays,grid connected photovoltaic(PV)system was an emerging technology,the problem of harmonic in photovoltaic grid connected was also concerned.Harmonic distortion caused by the switching frequency of photovoltaic grid connected system was discussed,and the photovoltaic simulation model was established by the mode of tensor transformation.Comparation of simulation results and the measured values showed that change of system parameters and quality of electric energy could be affected in different frequency range of switching frequency.
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