A Novel Local Control Technique for Converter-Based Renewable Energy Resources in the Stand-Alone DC Micro-Grids
This paper presents a novel local control method for the converter-based renewable energy resources in a stand-alone DC micro-grid based on energy analysis. The studied DC micro-grid comprises the renewable energy resources, back-up generation unit, and battery-based energy storage system, which are...
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| Format: | Article |
| Language: | English |
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Materials and Energy Research Center (MERC)
2020-04-01
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| Series: | Journal of Renewable Energy and Environment |
| Subjects: | |
| Online Access: | https://www.jree.ir/article_107365_6c1008374db4f40a54d3df66fc62186c.pdf |
| _version_ | 1827911566963507200 |
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| author | Arash Abedi Behrooz Rezaie Alireza Khosravi Majid Shahabi |
| author_facet | Arash Abedi Behrooz Rezaie Alireza Khosravi Majid Shahabi |
| author_sort | Arash Abedi |
| collection | DOAJ |
| description | This paper presents a novel local control method for the converter-based renewable energy resources in a stand-alone DC micro-grid based on energy analysis. The studied DC micro-grid comprises the renewable energy resources, back-up generation unit, and battery-based energy storage system, which are connected to the common DC-bus through the buck and bidirectional buck-boost converters. The proposed control method satisfies the stability of the micro-grid output variables, along with current control and voltage regulation by controlling the switching functions of the converters, regardless of the energy resource dynamics. The dynamic component of the switching function is extracted as a control signal using the state-feedback through a mathematical method. The control inputs are designed based on Lyapunov stability theorem to guarantee the stability of output variables (DC-bus voltage and generated currents) in a stand-alone DC micro-grid through an energy analysis. The proposed distributed controller can be easily generalized as a platform with all kinds of the stand-alone DC micro-grids comprising any type or number of distributed generations such as renewable energy resources, fossil-fuel-based generations, and energy storage units. Other features of this local control method are simplicity, celerity, comprehensiveness, and independence of the distributed generations. The dynamic performance assessment of the proposed controller is verified through a simulation in MATLAB/SIMULINKÒ environment. The results validate the accuracy and stability of the proposed control strategy in various operating conditions. |
| first_indexed | 2024-03-13T02:05:00Z |
| format | Article |
| id | doaj.art-28d636b161674150b6ec547f1f508bb6 |
| institution | Directory Open Access Journal |
| issn | 2423-5547 2423-7469 |
| language | English |
| last_indexed | 2024-03-13T02:05:00Z |
| publishDate | 2020-04-01 |
| publisher | Materials and Energy Research Center (MERC) |
| record_format | Article |
| series | Journal of Renewable Energy and Environment |
| spelling | doaj.art-28d636b161674150b6ec547f1f508bb62023-07-01T09:03:05ZengMaterials and Energy Research Center (MERC)Journal of Renewable Energy and Environment2423-55472423-74692020-04-0172526310.30501/jree.2020.107365107365A Novel Local Control Technique for Converter-Based Renewable Energy Resources in the Stand-Alone DC Micro-GridsArash Abedi0Behrooz Rezaie1Alireza Khosravi2Majid Shahabi3Department of Control, Faculty of Electrical and Computer Engineering, Babol Noshirvani University of Technology, Babol, Iran.Department of Control, Faculty of Electrical and Computer Engineering, Babol Noshirvani University of Technology, Babol, Iran.Department of Control, Faculty of Electrical and Computer Engineering, Babol Noshirvani University of Technology, Babol, Iran.Department of Control, Faculty of Electrical and Computer Engineering, Babol Noshirvani University of Technology, Babol, Iran.This paper presents a novel local control method for the converter-based renewable energy resources in a stand-alone DC micro-grid based on energy analysis. The studied DC micro-grid comprises the renewable energy resources, back-up generation unit, and battery-based energy storage system, which are connected to the common DC-bus through the buck and bidirectional buck-boost converters. The proposed control method satisfies the stability of the micro-grid output variables, along with current control and voltage regulation by controlling the switching functions of the converters, regardless of the energy resource dynamics. The dynamic component of the switching function is extracted as a control signal using the state-feedback through a mathematical method. The control inputs are designed based on Lyapunov stability theorem to guarantee the stability of output variables (DC-bus voltage and generated currents) in a stand-alone DC micro-grid through an energy analysis. The proposed distributed controller can be easily generalized as a platform with all kinds of the stand-alone DC micro-grids comprising any type or number of distributed generations such as renewable energy resources, fossil-fuel-based generations, and energy storage units. Other features of this local control method are simplicity, celerity, comprehensiveness, and independence of the distributed generations. The dynamic performance assessment of the proposed controller is verified through a simulation in MATLAB/SIMULINKÒ environment. The results validate the accuracy and stability of the proposed control strategy in various operating conditions.https://www.jree.ir/article_107365_6c1008374db4f40a54d3df66fc62186c.pdfdc/dc converterstability analysisstand-alone dc micro-gridswitching function |
| spellingShingle | Arash Abedi Behrooz Rezaie Alireza Khosravi Majid Shahabi A Novel Local Control Technique for Converter-Based Renewable Energy Resources in the Stand-Alone DC Micro-Grids Journal of Renewable Energy and Environment dc/dc converter stability analysis stand-alone dc micro-grid switching function |
| title | A Novel Local Control Technique for Converter-Based Renewable Energy Resources in the Stand-Alone DC Micro-Grids |
| title_full | A Novel Local Control Technique for Converter-Based Renewable Energy Resources in the Stand-Alone DC Micro-Grids |
| title_fullStr | A Novel Local Control Technique for Converter-Based Renewable Energy Resources in the Stand-Alone DC Micro-Grids |
| title_full_unstemmed | A Novel Local Control Technique for Converter-Based Renewable Energy Resources in the Stand-Alone DC Micro-Grids |
| title_short | A Novel Local Control Technique for Converter-Based Renewable Energy Resources in the Stand-Alone DC Micro-Grids |
| title_sort | novel local control technique for converter based renewable energy resources in the stand alone dc micro grids |
| topic | dc/dc converter stability analysis stand-alone dc micro-grid switching function |
| url | https://www.jree.ir/article_107365_6c1008374db4f40a54d3df66fc62186c.pdf |
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