Comparison of various MPPT techniques for different fuel flow

Fuel cell power generation system provides a clean alternative to the conventional fossil fuel based systems. Even though the fuel cell systems have high efficiency, it is not cost effective. It requires additional circuitry to achieve the desired performance. By taking these into consideration, a maximum power point tracking (MPPT) controller is required to extract the maximum available power from the actual Fuel Cell System (FCS). There are various MPPT techniques to extract maximum power. In this paper, the Perturb and Observe (P&O) and Fuzzy Logic Control (FLC) have been studied, analyzed and simulated in MATLAB/Simulink and the results were compared. After the successful working of the MPPT based boost converter, it can be directly connected with the actual Fuel Cell Systems. In this way it is possible to utilize the converter and perform the necessary tests to optimize a fuel cell system by avoiding the waste of hydrogen and the purchase of cells as well as any cell damage.