MPPT System Using Incremental Conductance for Solar Cell in Normal and Partial Shading Conditions

In this research, MPPT (maximum power point tracking) system has been created on solar cells to get maximum power from solar cells. The designed system consists of 200 watt solar cells, voltage sensors, current sensors, microcontroller, DC-DC converter, and resistive loads. The MPPT system created uses incremental conductance algorithm to set the switching duty cycle on the DC-DC converter, with input parameters in the form of ΔV and AI to produce maximum power. This system is tested on solar cells with normal or partial shading conditions and under conditions of shadow-covered solar cells of 8%, 16%, 30%, 41% and 50% with a load of 10 Ohm, 25 Ohm, and 35 Ohm. The results obtained that the MPPT system can stabilize the output power of solar cells both under normal and shadow conditions and are able to maintain output power when there is a change in input power with the maximum efficiency of the MPPT system at a load of 10 Ohm of 78,38% with a standard deviation at the input power of 12,68 and standard deviation at output power of 7,74. Maximum efficiency at 25 Ohm load of 80,23% with standard deviation at input power of 3,59 and standard deviation at output power of 2,90. Maximum efficiency at 35 Ohm load is 82,7% with standard deviation at input power of 4,14 and standard deviation at output power of 3,29.