Maximum power point tracking control method in high gain transformer-based inverters for photovoltaic application

In this paper, maximum power point tracking (MPPT) control method is developed for the transformer-based inverter with high output voltage gain. The proposed control strategy is capable of tracking the maximum power point of photovoltaic under the change of radiation and temperature. Also the operation of the inverter and control strategy is analyzed for the change of output load. Furthermore, a comprehensive harmonic distortion analysis has been conducted for the presented inverter. To verify the performance of the proposed topology and control strategy, mathematical simulations have been performed using PSCAD/EMTDC software package.