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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) Journal of Digital Scholarship in Archives and Information
Minh Tran
Hanoi University of Science and Technology
Control & Systems Engineering Electrical & Electronics Engineering Library & Information Science

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A Generalized Parameter Tuning Method of Proportional-Resonant Controllers for Dynamic Voltage Restorers Phuong Vu; Ngoc Dinh; Nam Hoang; Quan Nguyen; Dich Nguyen; Minh Tran
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 9, No 4: December 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1480.693 KB) | DOI: 10.11591/ijpeds.v9.i4.pp1709-1717

Abstract

Temporary voltage swells and sags appear with high frequency in electric power systems, and they significantly affect sensitive loads such as industrial manufacturing or communication devices. This paper presents a strategy to design proportional-resonant controllers for three full-bridge voltage-source converters with a common DC-link in dynamic voltage restorer systems. The proposed controllers allow the system to quickly overcome temporary unbalanced voltage sags. Simulation results carried out in MATLAB/Simulink and experimental results implemented in a Typhoon HIL402 device demonstrate the ability of the proposed design method. The results show that the system with the proposed controllers can ride-through single-phase or double-phase voltage sags up to 55% and three-phase voltage sags up to 70% in a duration less than one grid-voltage cycle.
Greenwashing Awareness, Consumer Behavior, and Energy-Efficient Appliances: An Expansion of The Theory of Planned Behavior Minh Tran; Toan Le Vu
Journal of Digital Scholarship in Archives and Information Vol. 2 No. 1 (2026): Forthcoming Issue (March)
Publisher : CV Media Inti Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58723/jdsai.v2i1.171

Abstract

Background: Under the urgency of escalating environmental degradation and climate change, understanding consumer behavior toward sustainable products has become increasingly critical. One important decision is the choice of energy-efficient appliances, which directly impacts household energy consumption and national energy security.Aims: This study extends the Theory of Planned Behavior by incorporating green skepticism to examine its influence on university students' purchase intentions for energy-efficient appliances in Hanoi, Vietnam.Methods: A quantitative survey was conducted with 239 students across multiple universities in Hanoi. The proposed model was tested using partial least squares structural equation modeling.Results: The findings reveal that attitude exerts the strongest influence on purchase intention. Green skepticism negatively affects attitude but does not directly deter purchase intention, operating instead through an indirect pathway via attitude. The extended model explains 48.4% of the variance in purchase intention and 62.7% in purchase behavior.Conclusions: These results provide a foundation for policymakers to strengthen green labeling regulations, improve consumer education initiatives, and implement targeted strategies addressing both skepticism and attitude development to promote sustainable consumption practices.
Co-Authors Dich Nguyen Nam Hoang Ngoc Dinh Phuong Vu Quan Nguyen Toan Le Vu