Research on Fractional Order Controller of Three-Phase Photovoltaic Inverter System Based on Improved Oustaloup Algorithm

As the core component of photovoltaic grid-connected system, the performance improvement of inverter is an important means to improve the performance of photovoltaic grid-connected system. As the key components of the inverter system, capacitors and inductors play the role of energy storage and filt...

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Main Authors: Xiaoping Huang, Hongkai Zhou, Wenzhe Huang, Yaqiong Zhang, Pengcheng Wang
Format: Article
Language:English
Published: IEEE 2024-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/10471393/
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author Xiaoping Huang
Hongkai Zhou
Wenzhe Huang
Yaqiong Zhang
Pengcheng Wang
author_facet Xiaoping Huang
Hongkai Zhou
Wenzhe Huang
Yaqiong Zhang
Pengcheng Wang
author_sort Xiaoping Huang
collection DOAJ
description As the core component of photovoltaic grid-connected system, the performance improvement of inverter is an important means to improve the performance of photovoltaic grid-connected system. As the key components of the inverter system, capacitors and inductors play the role of energy storage and filtering in the system, and their electrical characteristics will directly affect the dynamic and static characteristics of the photovoltaic inverter system. The existing research showed that capacitors and inductors should be fractional in nature, and the modeling, analysis and control of inverter systems were carried out on the theoretical basis of integer calculus, which will inevitably produce some errors. Therefore, the fractional controller of three-phase photovoltaic inverter system based on the improved Oustaloup algorithm is introduced into the grid-connected photovoltaic inverter system in this paper for fractional modeling, analysis and control, which can provide a theoretical model for the simulation and analysis of fractional power electronic systems. The practical operation in Jining PV power generation base (installed capacity of 560MW) in Shandong Province, China, showed that the fractional-order PI<inline-formula> <tex-math notation="LaTeX">$^{\mathrm {\lambda }}$ </tex-math></inline-formula> controller had a good control effect on the grid-connected PV system, and the power quality of grid-connected PV was also improved.
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spelling doaj.art-b262fb20c6244092ad88277ee8d6e0642024-03-26T17:47:45ZengIEEEIEEE Access2169-35362024-01-0112397703978210.1109/ACCESS.2024.337673610471393Research on Fractional Order Controller of Three-Phase Photovoltaic Inverter System Based on Improved Oustaloup AlgorithmXiaoping Huang0https://orcid.org/0000-0002-8918-519XHongkai Zhou1https://orcid.org/0000-0002-0914-8509Wenzhe Huang2https://orcid.org/0000-0001-6146-2493Yaqiong Zhang3https://orcid.org/0000-0003-4755-7431Pengcheng Wang4https://orcid.org/0000-0002-8682-4814School of Electrical and Electronic Engineering, Guilin University of Technology, Guilin, ChinaSchool of Electrical and Electronic Engineering, Guilin University of Technology, Guilin, ChinaCollege of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai, ChinaSchool of Electrical and Electronic Engineering, Guilin University of Technology, Guilin, ChinaSchool of Electrical and Electronic Engineering, Guilin University of Technology, Guilin, ChinaAs the core component of photovoltaic grid-connected system, the performance improvement of inverter is an important means to improve the performance of photovoltaic grid-connected system. As the key components of the inverter system, capacitors and inductors play the role of energy storage and filtering in the system, and their electrical characteristics will directly affect the dynamic and static characteristics of the photovoltaic inverter system. The existing research showed that capacitors and inductors should be fractional in nature, and the modeling, analysis and control of inverter systems were carried out on the theoretical basis of integer calculus, which will inevitably produce some errors. Therefore, the fractional controller of three-phase photovoltaic inverter system based on the improved Oustaloup algorithm is introduced into the grid-connected photovoltaic inverter system in this paper for fractional modeling, analysis and control, which can provide a theoretical model for the simulation and analysis of fractional power electronic systems. The practical operation in Jining PV power generation base (installed capacity of 560MW) in Shandong Province, China, showed that the fractional-order PI<inline-formula> <tex-math notation="LaTeX">$^{\mathrm {\lambda }}$ </tex-math></inline-formula> controller had a good control effect on the grid-connected PV system, and the power quality of grid-connected PV was also improved.https://ieeexplore.ieee.org/document/10471393/Photovoltaic inverter systemfractional calculusfractional modelingfractional PI controllerOustaloup algorithm
spellingShingle Xiaoping Huang
Hongkai Zhou
Wenzhe Huang
Yaqiong Zhang
Pengcheng Wang
Research on Fractional Order Controller of Three-Phase Photovoltaic Inverter System Based on Improved Oustaloup Algorithm
IEEE Access
Photovoltaic inverter system
fractional calculus
fractional modeling
fractional PI controller
Oustaloup algorithm
title Research on Fractional Order Controller of Three-Phase Photovoltaic Inverter System Based on Improved Oustaloup Algorithm
title_full Research on Fractional Order Controller of Three-Phase Photovoltaic Inverter System Based on Improved Oustaloup Algorithm
title_fullStr Research on Fractional Order Controller of Three-Phase Photovoltaic Inverter System Based on Improved Oustaloup Algorithm
title_full_unstemmed Research on Fractional Order Controller of Three-Phase Photovoltaic Inverter System Based on Improved Oustaloup Algorithm
title_short Research on Fractional Order Controller of Three-Phase Photovoltaic Inverter System Based on Improved Oustaloup Algorithm
title_sort research on fractional order controller of three phase photovoltaic inverter system based on improved oustaloup algorithm
topic Photovoltaic inverter system
fractional calculus
fractional modeling
fractional PI controller
Oustaloup algorithm
url https://ieeexplore.ieee.org/document/10471393/
work_keys_str_mv AT xiaopinghuang researchonfractionalordercontrollerofthreephasephotovoltaicinvertersystembasedonimprovedoustaloupalgorithm
AT hongkaizhou researchonfractionalordercontrollerofthreephasephotovoltaicinvertersystembasedonimprovedoustaloupalgorithm
AT wenzhehuang researchonfractionalordercontrollerofthreephasephotovoltaicinvertersystembasedonimprovedoustaloupalgorithm
AT yaqiongzhang researchonfractionalordercontrollerofthreephasephotovoltaicinvertersystembasedonimprovedoustaloupalgorithm
AT pengchengwang researchonfractionalordercontrollerofthreephasephotovoltaicinvertersystembasedonimprovedoustaloupalgorithm