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All Journal Bulletin of Electrical Engineering and Informatics Indonesian Journal of Electrical Engineering and Informatics (IJEEI)
Hieu, Trinh Trung
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Computer Science & IT Electrical & Electronics Engineering

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Active filter harmonic compensator with proportional resonant current controller for photovoltaic inverter Nam, Le Khoa; Lam, Le Hong; Hieu, Trinh Trung; Hieu, Nguyen Huu
Bulletin of Electrical Engineering and Informatics Vol 13, No 6: December 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v13i6.8167

Abstract

The strong development of renewable energy sources (RES), especially distributed energy sources, brings many benefits to the power system. Single-phase photovoltaic (PV) systems are the fastest growing type of distributed energy source worldwide today. Besides the beneficial factors for the distribution power system, the high penetration rate of solar power systems also causes negative impacts, especially power quality issues. PV inverters generate harmonics during the high-frequency switching of semiconductor elements. Traditionally available passive filters are not effective enough to ensure output power quality when the PV system generates power to the distribution grid. Therefore, this study presents the design of a proportional resonant current controller combined with active filter harmonic compensated (PR+HC) for a single-phase PV inverter. This controller, when integrated into traditional PV inverter, will provide better output power quality, contributing to reducing total harmonic distortion (THD) on the distribution grid. This study analyzes the parameters affecting the harmonic attenuation effect of the PR+HC controller, then simulates it on MATLAB Simulink to evaluate the results. The results of the study show that the PR+HC controller is not only effective in reducing the amplitude of odd harmonics, but also operates reliably even when the grid frequency fluctuates widely.
Optimal operation mode of wind turbines in distribution grid to minimize energy loss considering power generation probability Chung, Phan Dinh; An, Luu Ngoc; Hieu, Trinh Trung
Indonesian Journal of Electrical Engineering and Informatics (IJEEI) Vol 11, No 4: December 2023
Publisher : IAES Indonesian Section

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52549/ijeei.v11i4.5005

Abstract

This research considers a distribution grid where wind turbines were connected. The aim of this reasearch is to determine the optimal operation mode and setting parameter of wind turbines to minimize the energy loss of this distribution grid. To obtain the above purpose, we proposed an algorithm based on PSO algorithm. The suggested algorithm was coded in MATLAB and it was verified via a sample distribution grid. Results indicated the optimal operation mode and setting data in which the energy loss in the tested grid is minimal. Moreover, this research also compared the testing results with three cases of the generation at wind turbine node including average power, rated power and power probability distribution. Comparing results indicated that we cannot use average power generation or rated power of wind turbine to determine the optimal operation mode and setting data of wind turbines instead of we use the power distribution probability
Co-Authors An, Luu Ngoc Chung, Phan Dinh Hieu, Nguyen Huu Lam, Le Hong Nam, Le Khoa