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Numerical Simulation of Photovoltaic in DC Micro-grid Experiments

Huichun Huang, Renjie Hu, Zhiwei Lu, Wenxie Yang


In recent years, the photovoltaic cells are often used in DC micro-grid. If real solar cells are used, the development of the system will be seriously affected by the natural environment. So, mathematical models of photovoltaic are used to build a photovoltaic simulation model, the output characteristics of photovoltaic modules come with the light intensity and battery temperature, then photovoltaic simulator tracking algorithm was designed, there are many mainstream calculation methods. A point-by-point difference comparison method is used in this system which is an iterative method. Finally, we experiment our schemes, which are certified through figures and data. The experiments showed that photovoltaic simulator output characteristic curve and output waveform of different algorithms were fully met the need of the experimental system.


Photovoltaic simulator, DC micro-network, MPPT.

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