article · Automatika
A photovoltaic power system is coupled with a reduced-switch thirty-one-level inverter to improve power conversion efficiency and quality. A single-ended primary-inductor converter, known as SEPIC, maintains a constant direct-current output voltage from solar panels, whilst the Grey Wolf Optimisation algorithm extracts maximum power from the solar installation. To minimise electrical waveform distortion, two modulation approaches operate together. Selective harmonic elimination controlled by an Artificial Bee Colony algorithm reduces lower-order harmonics, outperforming a conventional genetic algorithm approach. In addition, multi-carrier modulation suppresses higher-order harmonics. The system combines these control and optimisation techniques to deliver cleaner alternating current with fewer switching components. The entire design was simulated in Matlab and confirmed via controller simulations using a dsPIC microchip processor.
Solar panels generate direct current that must be converted into high-quality alternating current before entering the electrical grid. Imperfect conversion creates electrical noise, called harmonics, which can damage equipment and cause energy loss. Using intelligent optimisation algorithms with reduced-switch multilevel inverters can generate cleaner electricity with fewer physical parts, lowering hardware complexity and improving overall energy efficiency.
This design is targeted at solar photovoltaic power conversion, where manufacturers of inverters and solar systems could benefit from reduced component counts and cleaner power output. The technology appears to be at an early stage, validated primarily through Matlab simulations and microcontroller controller simulations rather than full-scale physical hardware prototyping or commercial field testing.
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Pulse width modulation for Selective Harmonics Elimination (SHE) is mostly employed in the reduction of lower order harmonics. The PV system in this research provides input voltage to the reduced switch 31-level inverter, which is based on the Artificial Bee Colony algorithm. With a high gain DC-DC single-ended primary-inductor converter (SEPIC), the PV panel output voltage is kept constant. The Grey wolf optimization algorithm (GWO) approach is used to get the most power out PV scheme. Multi Carrier modulation, a high-frequency modulation technology, is also used in this novel design of the inverter to reduce upper order harmonics. The suggested Artificial Bee Colony (ABC) algorithm, harmonics is compared to a SHE technique based on a genetic algorithm. The hardware findings were confirmed using DSPIC30F2010 controller simulation, and the recommended system was validated using Matlab simulation.
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DOI: 10.1080/00051144.2023.2173121
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