Publication

Abstract : Renewable energy source is a clean source of energy which will cause no environmental impacts. The major drawback of renewable energy resource is their intermittency, moreover in solar energy shading is also an issue. Electric Vehicles help in reducing emission as it is fed from solar grids. Presently, automotive manufacturers have solar roofed vehicles for charging the vehicle battery while it is running or parked outdoors. As the vehicles are moving there is a possibility of solar panels being under complete shading or partial shading. Thus PV modules are used along with a MPPT to get the maximum power from panels. Shading is one major issue that will lead to the formation of local peak and global peak in the I-V and P-V curve, finally delivering a reduced power output. It causes serious problem for the MPPT algorithm as it will not be able to find the maximum power point. This paper focuses on the effect of partial shading in solar roofed electric vehicle and the variation of output power with different patterns of shading. Four Trina Solar TSM 250PA05.08A solar panels were connected in series along with a boost converter to analyse the shading conditions. MATLAB simulation is presented which shows the output power variation and the formation of multiple peaks due to shading.