A Single-Loop Repetitive Voltage Controller with an Active Damping Control Technique
This paper proposes a single-loop repetitive voltage control strategy which incorporates the active damping control feature for single-phase uninterruptible power supply (UPS) applications. The proposed method reduces the effect of the LC resonant peak, which limits the control bandwidth and deterio...
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Format: | Article |
Language: | English |
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MDPI AG
2017-05-01
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Series: | Energies |
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Online Access: | http://www.mdpi.com/1996-1073/10/5/673 |
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author | Younghoon Cho Byeng-Joo Byen Han-Sol Lee Kwan-Yuhl Cho |
author_facet | Younghoon Cho Byeng-Joo Byen Han-Sol Lee Kwan-Yuhl Cho |
author_sort | Younghoon Cho |
collection | DOAJ |
description | This paper proposes a single-loop repetitive voltage control strategy which incorporates the active damping control feature for single-phase uninterruptible power supply (UPS) applications. The proposed method reduces the effect of the LC resonant peak, which limits the control bandwidth and deteriorates the stability of the entire control loop by effectively increasing the damping component. Due to the increased stability margin, a repetitive controller working together with a proportional-resonant (PR) controller can be easily adopted. Moreover, the voltage error is minimized even under severe non-linear load conditions. It is confirmed that the proposed single-loop controller achieves excellent and stable voltage regulation performance by evaluating the entire loop-gain of the system and the output impedance. Both the simulation and the experimental results for a 1.5 kW UPS inverter show agree well with the analyses, and the excellence of the proposed method has been verified. |
first_indexed | 2024-04-11T20:49:42Z |
format | Article |
id | doaj.art-fefee04274524b4091dc731cb0672a9a |
institution | Directory Open Access Journal |
issn | 1996-1073 |
language | English |
last_indexed | 2024-04-11T20:49:42Z |
publishDate | 2017-05-01 |
publisher | MDPI AG |
record_format | Article |
series | Energies |
spelling | doaj.art-fefee04274524b4091dc731cb0672a9a2022-12-22T04:03:53ZengMDPI AGEnergies1996-10732017-05-0110567310.3390/en10050673en10050673A Single-Loop Repetitive Voltage Controller with an Active Damping Control TechniqueYounghoon Cho0Byeng-Joo Byen1Han-Sol Lee2Kwan-Yuhl Cho3Department of Electrical Engineering, Konkuk University, Seoul 05029, KoreaDepartment of Electrical Engineering, Konkuk University, Seoul 05029, KoreaDepartment of Control and Instrumentation Engineering, Korea University of Transportation, Chungju 27469, KoreaDepartment of Control and Instrumentation Engineering, Korea University of Transportation, Chungju 27469, KoreaThis paper proposes a single-loop repetitive voltage control strategy which incorporates the active damping control feature for single-phase uninterruptible power supply (UPS) applications. The proposed method reduces the effect of the LC resonant peak, which limits the control bandwidth and deteriorates the stability of the entire control loop by effectively increasing the damping component. Due to the increased stability margin, a repetitive controller working together with a proportional-resonant (PR) controller can be easily adopted. Moreover, the voltage error is minimized even under severe non-linear load conditions. It is confirmed that the proposed single-loop controller achieves excellent and stable voltage regulation performance by evaluating the entire loop-gain of the system and the output impedance. Both the simulation and the experimental results for a 1.5 kW UPS inverter show agree well with the analyses, and the excellence of the proposed method has been verified.http://www.mdpi.com/1996-1073/10/5/673uninterruptible power supply (UPS)repetitive voltage controlactive damping |
spellingShingle | Younghoon Cho Byeng-Joo Byen Han-Sol Lee Kwan-Yuhl Cho A Single-Loop Repetitive Voltage Controller with an Active Damping Control Technique Energies uninterruptible power supply (UPS) repetitive voltage control active damping |
title | A Single-Loop Repetitive Voltage Controller with an Active Damping Control Technique |
title_full | A Single-Loop Repetitive Voltage Controller with an Active Damping Control Technique |
title_fullStr | A Single-Loop Repetitive Voltage Controller with an Active Damping Control Technique |
title_full_unstemmed | A Single-Loop Repetitive Voltage Controller with an Active Damping Control Technique |
title_short | A Single-Loop Repetitive Voltage Controller with an Active Damping Control Technique |
title_sort | single loop repetitive voltage controller with an active damping control technique |
topic | uninterruptible power supply (UPS) repetitive voltage control active damping |
url | http://www.mdpi.com/1996-1073/10/5/673 |
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