mpptImplementationofmaximumpowerpointtrackingalgorithm

2nd Canadian Solar Buildings Conference Calgary, June 10 – 14, 2007 1IMPLEMENTATION OF MAXIMUM POWER POINT TRACKING ALGORITHM FOR RESIDENTIAL PHOTOVOLTAIC SYSTEMS A. Yafaoui., B. Wu and R. Cheung Department of Electrical Batarseh, I.; and Rustom, K.; “ Statistical modeling of DSP-based Hill-climbing MPPT algorithms in noisy environments. ” IEEE Applied Power Electronics Conference and Exposition (APEC), 2005, pp1773 – 1777. [2] Hua C., Lin J., and Shen C., Implementation of a DSP-controlled photovoltaic system with peak power tracking, IEEE Transactions on Industrial Electronics , Vol: 45, 1998, pp99-107. [3] Hohm P. and Ropp M. E., “ Comparative Study of Maximum Power Point Tracking Algorithms, ” Progress in Photovoltaics: Research and Applications, Vol. 11, 2003, pp 47 ¨ c62. [4] Liu C., Wu B., and Cheung R., “ Advanced Algorithm for MPPT Control of Photovoltaic Systems, ” 1st Canadian Solar Buildings Research Network Conference, Aug. 2006. [5] Sera D., Kerekes T., Teodorescu R. and Blaabjerg F., “ Improved MPPT algorithms for rapidly changing environmental conditions, ” 12th International Power Electronics and Motion Control Conference, 2006, pp1614-1616. [6] Xiao W. and Dunford W.G.: “ A modified adaptive hill climbing MPPT method for photovoltaic power systems, ” IEEE Power Electronics Specialists Conference (PESC), 2004, pp1957 –1963. [7] Liu X., and Lopes L.A.C.: “ An improved perturbation and observation maximum power point tracking algorithm for PV arrays ” IEEEPower Electronics Specialists Conference (PESC), 2004, pp2005-2010. [8] Jung Y., So J., Yu G., and Choi J., “ Improved perturbation and observation method (IP&O) of MPPT control for photovoltaic power systems. ” 31st IEEE Photovoltaic Specialists Conference, 2005, pp1788 – 1791. EXPERIMENTAL DATA Constant power operation Figure 9 P&O voltage & current Figure 10 MP&O voltage & current Figure 11 EPP voltage & current I pvVPV x IpvVPV2nd Canadian Solar Buildings Conference Calgary, June 10 – 14, 2007 6Irradiance Change Response Figure 12 P&O performance Figure 13 MP&O performance Figure 14 EPP performance Temperature Change Response Figure 15 P&O performance Figure 16 MP&O performance Figure 17 EPP performance Step Change Response Figure 18 P&O performance Figure 19 MP&O performance Figure 20 EPP performance PpvPmax-PpvPmaxPpvPmaxPpvPmaxPmax -Ppv