Simulation research of photovoltaic power system MPPT by dutycycle perturbation method

Huadian Technology ›› 2009, Vol. 31 ›› Issue (9): 19-21.

• 研究与开发 • Previous Articles Next Articles

Simulation research of photovoltaic power system MPPT by dutycycle perturbation method

CAI Xiaofeng^1,2，ZHANG Hongbo³

1.Hefei University of Technology, Hefei 230009, China; 2.Henan Institute of Engineering, Xinzheng 451191, China; 3.North China Institute of Water Conservancy and Hydroelectric Power, Zhengzhou 450011, China

Received:1900-01-01 Revised:1900-01-01 Published:2009-09-25

Abstract

Abstract: A simulation model of photovoltaic cell was introduced; the principle of the realization of MPPT by using the dutycycle perturbation method was analyzed. In order to further simplify the algorithm, the feasibility of realization of MPPT based on output current detection was analyzed; the principle of the algorithm and the realization thought were explained; the Matlab simulation model was established and simulation experiment was done. The correctness of the algorithm was proved by the simulation result.

Key words: photovoltaic power system, photovoltaic cell, maximum power point tracking (MPPT), perturbation and observation method, simulation model

CAI Xiaofeng;;ZHANG Hongbo. Simulation research of photovoltaic power system MPPT by dutycycle perturbation method[J]. Huadian Technology, 2009, 31(9): 19-21.

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Simulation research of photovoltaic power system MPPT by dutycycle perturbation method

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