DSP-Based Implementation of MPPT Tracking and Sliding Mode Control for Photo-Voltaic Systems

The conventional energy sources such as thermal and hydro are decreasing and at the same time global demand for energy is increasing almost at an exponential rate. The conversion of renewable or nonconventional energy sources such as solar, wind, and biogas plays an important role. Out of wind, solar, and biogas, the solar energy is easily and more available in nature. In the developed work, solar energy is used as an energy source. Moreover, many rural areas are not electrified even today with the conventional electricity. The efficiency of solar panels is less and their cost is also more. Hence to increase the efficiency, maximum power point tracking (MPPT) techniques are implemented using DSP TMS320F28377s. The load voltage of the converter will be maintained constant using sliding mode control (SMC) algorithm. A single DSP is used for the implementation of MPPT and SMC. The developed work is good in terms of efficiency, regulation, speed, and accuracy and works in real-time scenarios. The developed work can be used as a standalone system in rural areas for their daily electricity needs.