A Generic Control-Oriented Model Order Reduction Approach for High Step-Up DC/DC Converters Based on Voltage Multiplier

The modeling and control system design of high step-up DC/DC converters based on voltage multipliers (VMs) are difficult, due to the various circuit topologies and the presence of large number of capacitors in VMs. This paper proposes a generic approach to reduce the model order of such converters b...

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Main Authors: Binxin Zhu, Qingdian Zeng, Mahinda Vilathgamuwa, Yang Li, Yao Chen
Format: Article
Language:English
Published: MDPI AG 2019-05-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/12/10/1971
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author Binxin Zhu
Qingdian Zeng
Mahinda Vilathgamuwa
Yang Li
Yao Chen
author_facet Binxin Zhu
Qingdian Zeng
Mahinda Vilathgamuwa
Yang Li
Yao Chen
author_sort Binxin Zhu
collection DOAJ
description The modeling and control system design of high step-up DC/DC converters based on voltage multipliers (VMs) are difficult, due to the various circuit topologies and the presence of large number of capacitors in VMs. This paper proposes a generic approach to reduce the model order of such converters by replacing the VM capacitors with voltage sources controlled by the output voltage of the converter. Theoretical analysis and simulation results show that the derived models can accurately represent the low frequency response of the converter which is valuable for obtaining a small-signal AC model for control system design. The detailed modeling and controller design process are demonstrated for the converter, and the obtained simulation results are verified experimentally on a 400 W prototype.
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spelling doaj.art-9be026050f80460e9b0b2d43dcf7c15a2022-12-22T02:53:55ZengMDPI AGEnergies1996-10732019-05-011210197110.3390/en12101971en12101971A Generic Control-Oriented Model Order Reduction Approach for High Step-Up DC/DC Converters Based on Voltage MultiplierBinxin Zhu0Qingdian Zeng1Mahinda Vilathgamuwa2Yang Li3Yao Chen4College of Electrical Engineering & New Energy, China Three Gorges University, Yichang 443002, Hubei, ChinaCollege of Electrical Engineering & New Energy, China Three Gorges University, Yichang 443002, Hubei, ChinaSchool of Electrical Engineering and Computer Science, Queensland University of Technology, Brisbane, QLD 4001, AustraliaSchool of Automation, Wuhan University of Technology, Wuhan 430070, Hubei, ChinaCollege of Electrical Engineering & New Energy, China Three Gorges University, Yichang 443002, Hubei, ChinaThe modeling and control system design of high step-up DC/DC converters based on voltage multipliers (VMs) are difficult, due to the various circuit topologies and the presence of large number of capacitors in VMs. This paper proposes a generic approach to reduce the model order of such converters by replacing the VM capacitors with voltage sources controlled by the output voltage of the converter. Theoretical analysis and simulation results show that the derived models can accurately represent the low frequency response of the converter which is valuable for obtaining a small-signal AC model for control system design. The detailed modeling and controller design process are demonstrated for the converter, and the obtained simulation results are verified experimentally on a 400 W prototype.https://www.mdpi.com/1996-1073/12/10/1971DC/DC converterreduced order modelhigh step-up convertervoltage multiplier (VM)control system design
spellingShingle Binxin Zhu
Qingdian Zeng
Mahinda Vilathgamuwa
Yang Li
Yao Chen
A Generic Control-Oriented Model Order Reduction Approach for High Step-Up DC/DC Converters Based on Voltage Multiplier
Energies
DC/DC converter
reduced order model
high step-up converter
voltage multiplier (VM)
control system design
title A Generic Control-Oriented Model Order Reduction Approach for High Step-Up DC/DC Converters Based on Voltage Multiplier
title_full A Generic Control-Oriented Model Order Reduction Approach for High Step-Up DC/DC Converters Based on Voltage Multiplier
title_fullStr A Generic Control-Oriented Model Order Reduction Approach for High Step-Up DC/DC Converters Based on Voltage Multiplier
title_full_unstemmed A Generic Control-Oriented Model Order Reduction Approach for High Step-Up DC/DC Converters Based on Voltage Multiplier
title_short A Generic Control-Oriented Model Order Reduction Approach for High Step-Up DC/DC Converters Based on Voltage Multiplier
title_sort generic control oriented model order reduction approach for high step up dc dc converters based on voltage multiplier
topic DC/DC converter
reduced order model
high step-up converter
voltage multiplier (VM)
control system design
url https://www.mdpi.com/1996-1073/12/10/1971
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