In addressing the issue of multiple sensor requirements in traditional photovoltaic cell distributed maximum power point tracking (DMPPT)
a design approach for photovoltaic cell time-division multiplexing (TDM) DMPPT is proposed
incorporating a TDM sampling circuit. This involves the analysis of TDM circuit structures and control strategies
the design of DC/DC converter along with their PI control parameters
and the development of MPPT algorithms aimed at improving the performance of the photovoltaic DMPPT system. Grounded in theoretical foundations
a simulation model is established and a physical prototype is constructed to validate theoretical integrity. Experimental findings indicate that the TDM photovoltaic DMPPT system achieves rapid and effective tracking of each photovoltaic cell's maximum power point using only one set of sensors
thereby significantly reducing the overall cost of DMPPT implementations.
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College of Electrical Engineering, Xinjiang University
School of Electrical and Power Engineering, Taiyuan University of Technology, Key Laboratory of Clean Intelligent Control of Coal Power, Ministry of Education