4.5 Article

Total harmonic distortion reduction based energy harvesting using grid-based three phase system and integral-derivative

期刊

COMPUTERS & ELECTRICAL ENGINEERING
卷 109, 期 -, 页码 -

出版社

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compeleceng.2023.108744

关键词

Power management; PI controller; Fuzzy controller; ANN controller; Total harmonic distortion; Energy efficiency

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In this research, a unified controller consisting of PID, fuzzy, and artificial neural network controllers is proposed to reduce the total harmonic distortion (THD) in a 31-level multilevel inverter in a solar photovoltaic (PV) system. Simulation results show that the proposed controller achieves a THD reduction to 0.94%.
Distributed generation (DG) and solar photovoltaic (PV) systems are just two of the many places multilevel inverters have found a home. The total harmonic distortion (THD) of an inverter's output voltage or current is widely regarded as a useful quality indicator. In order to lessen THD while enhancing the performance of the network, the authors of this research presented a unified controller.An integrated controller consisting of PID (Proportional-Integral-Derivative),Fuzzy,and Artificial Neural Network (ANN) controllers is used in the 31-level multilevel inverter to reduce THD in the PV system. The fundamental frequency of the suggested integrated controller is 50 Hz, and the simulation results show that the THD is reduced to 0.94 percent. The proposed con-troller's performance shown a considerable decrease in 5th order harmonics for the Cascaded H -bridge Multilevel Inverter,as well as an average percentage reduction in line voltage total har-monic distortion of 17.04 compared to the existing approach.

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