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《China Mechanical Engineering》 2016-19
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MPPT Algorithms of AETEG Based on Dichotomy and Gradient Method

Fang Wei;Quan Shuhai;Fang Hong;Tan Baohua;Huang Liang;Wuhan University of Technology;Hubei Collaborative Innovation Center for High-efficiency Utilization of Solar Energy;Hubei University of Technology;  
A function of output power and voltage for thermoelectric conversion module was fitted by the least square method based on the AETEG experimental system.Herein,a novel MPPT algorithm characterized by the aggregated dichotomy and gradient method was proposed,in comparison to some traditional algorithms such as the open circuit voltage proportional coefficient method and the disturbance observation method et al.The experimental results show that the tracking accuracy and speed of proposed method are as 98.7% and 120 ms respectively,having a significant improvements compared with existing algorithms.
【CateGory Index】: U464.134.4;TM617
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