独立太阳能发电系统低通滤波器的性能评估

M. Q. Duong, V. T. Nguyen, A. Tran, G. Sava, Tuan Le
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引用次数: 4

摘要

如今,随着电力需求的显著增加以及对环境的负面影响的减少,导致了包括太阳能在内的可再生能源的强劲发展。为了能够为负载提供电力,光伏(PV)必须将接收到的太阳辐射转换成电能,通过变流器获得适合于负载的电压、频率等响应。然而,这种转换会产生谐波,这是降低电能质量和损坏设备的因素之一。研究了两种无源单调谐和双调谐无源滤波器与离网太阳能系统变流器的耦合。通过Matlab/Simulink软件仿真,构建了满足1kW负载和220V额定电压要求的太阳能转换系统和滤波器。结果表明,双调谐滤波器比单调谐滤波器具有更好的谐波滤波效果,在稳定负载下输出电压失真很小。
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Performance Assessment of Low-pass Filters for Standalone Solar Power System
Nowadays, electricity demand significantly increases along with reduction of negative impacts to environment leads to a strong development of renewable energy which includes solar energy. In order to be able to provide power for the load, photovoltaic (PV) has to receive solar radiation to convert into electricity, through the converters to obtain such responses as voltage, frequency, etc. suitable for the load. However, this conversion creates the harmonics, one of the factors that reduce power quality and damages the devices. This paper studies two passive single-tuned and double-tuned passive filters coupled with converters for off-grid solar system. By means of simulation from Matlab/Simulink software, a solar conversion system and filters are built to meet the load requirements of 1kW and rated voltage of 220V. The results show that the double-tuned filter offers better harmonics filtering than the single-tuned filter, very low output voltage distortion for stable loads.
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