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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 IPO of MPPT control for photovoltaic power systems. ” 31st IEEE Photovoltaic Specialists Conference, 2005, pp1788 – 1791. EXPERIMENTAL DATA Constant power operation Figure 9 PO voltage current Figure 10 MPO 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 PO performance Figure 13 MPO performance Figure 14 EPP performance Temperature Change Response Figure 15 PO performance Figure 16 MPO performance Figure 17 EPP performance Step Change Response Figure 18 PO performance Figure 19 MPO performance Figure 20 EPP performance PpvPmax-PpvPmaxPpvPmaxPpvPmaxPmax -Ppv

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