Abstract
A current sensor-based single maximum power point tracking (SMPPT) controller is proposed for extracting the maximum power (MP) from a hybrid solar photovoltaic (PV) generator-thermoelectric generator (TEG) supplying an isolated DC microgrid. The proposed SMPPT controller tracks the maximum power points (MPPs) of the hybrid solar PV generator-TEG using the sequential golden section search (SGSS) algorithm. Faster and guaranteed convergence are the major advantages of this SGSS algorithm for tracking the MPPs of hybrid solar PV generator-TEG sequentially. Further, the proposed SMPPT controller requires a single sensing and signal conditioning circuit (SSCC) and a digital controller for successful operation. Thus, it requires less investment cost, reduces control complexity, consumes less power, and improves reliability. Extensive simulations, experiments, and comparative studies have demonstrated the effectiveness of the proposed SMPPT controller using the SGSS algorithm.
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