Load Voltage based MPPT Algorithm for a Stand-alone Wind Generation System

This paper proposes a load voltage based maximum power point tracking (MPPT) algorithm for a standalone wind generation system (WGS). The algorithm uses the slope of change in load voltage to duty cycle for extracting the optimum power. The MPPT performance at steady-state and during wind speed change condition is verified through experiment. The proposed algorithm uses only one voltage sensor which makes the system less costly, simple to implement and robust. Moreover, it neither requires the knowledge of any system parameter nor the speed sensor. The controller is implemented in DS1103 digital platform with the developed laboratory setup.