Design Methodology of Novel PID for Efficient Integration of PV Power to Electrical Distributed Network

Mahamadou Abdou Tankari, D. Gueye, Alp Housseyni Ndiaye

Abstract


This work is devoted to the study of a photovoltaic system connected to the distribution grid. The objective is to propose a new corrector for the control of a three-phase inverter connected to the distribution grid in order to obtain an optimal injection of photovoltaic energy. The system consists of a photovoltaic generator, a DC/DC boost converter and a three-phase inverter connected to the grid via a transformer. In first, a system modeling has established the mathematical models of the different components of the conversion chain. A local method of research maximum power point of the incremental conductance type (InC) is then developed. Furthermore, a control in the synchronous reference frame d-q by a modified PID controller is offered to regulate the currents injected by the three-phase inverter compared to conventional PI and PID controllers. Simulation results from the system under the Matlab/Simulink environment prove the efficiency of the MPPT control and show that the currents injected with the modified PID controller have a the best sinusoidal form with a harmonic distortion rate (TDH) of 2.39%.


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DOI (PDF): https://doi.org/10.20508/ijsmartgrid.v2i1.14.g11

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Online ISSN: 2602-439X

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