An Improved Method and simulation of Tracking the Maximum Power Point for Photovoltaic Gene ration System
In the Photovoltaic(PV) power system,lighting intensity and air temperatur have great effect on the output characteristic PV cells which has distinct nonlinear characteristics.In this paper an improved method of perturb and observe(P&O)is proposed,based on the comparison of power,and then the simulation model on the platform of matlab/simulink is established.In comparison with traditional variable step-size P&O and InCond,this strategy can achieve better performance,and in the steadystate conditions it leads to lower oscillations and fewer power loss around the maximum power point.The improved method provides a quick and accurate tracking even in the conditions of irradiation change and it is proved to be a good method to realize the MPPT controlling of PV cells.
photovoltaic power system maximum power point tracking MATLAB simulation
Sheng-Lan Ji Yi Yang Jian-Yun Cao
School of electrical and engineering Nantong University Nantong, China
国际会议
成都
英文
1-4
2013-08-01（万方平台首次上网日期，不代表论文的发表时间）