Incremental Conductance Method in Maximum Power Point Tracking

Abstract

Abstract The power characteristic curve in photovoltaic system is non-linear fluctuating based on changes in solar irradiation and module surface temperature. MPPT is a system of tracking the maximum power point of solar panels at any change in irradiation and temperature. Incremental conductance is one of the maximum power tracking methods that can be applied to the MPPT with the input of solar panel voltage and solar panel current. DC-DC Converter is inseparable from the role of MPPT system. MPPT is integrated by implementing DC-DC Converter synchronous buck topology. The system is validated through computational simulations in simulink. Implementation of MPPT product design based on incremental conductance using Arduino Uno to be applied to a 50Wp single solar panel stand-alone. Measurement parameters are displayed on the LCD and data streamer as a monitoring system. The results of the study were conducted by comparing the two topologies of DC-DC converter on the MPPT system, from the comparison of the two topologies of DC-DC converter effect of Drain-Source resistance and forward voltage internal diode to the output power of solar panels showed that the MPPT system that implements the DC-DC converter synchronous buck is able to. Efficiency by implementing DC-DC converter synchronous buck reached 98.2% while the implementation using DC-DC Conveter buck topology reached 97.2% at 1000W/m2.