Performance comparison of three MPPT algorithms: AESC, mESC and P&O

In this paper a comparison between three Maximum Power Point (MPP) tracking algorithms for the photovoltaic (PV) system based on: advanced Extremum Seeking (aES), modified Extremum Seeking (mES) controls, and Perturb and Observe algorithm (P&O) is proposed. The performances improvements are: higher search speed and accuracy tracking. So, different irradiance sequences are used to test the performances of the three proposed algorithms. Advanced Extremum Seeking control outperforms all algorithms in power efficiency.