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Cutting-Edge Developments and Innovations in Renewable Energy System Modeling and Control

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "A: Sustainable Energy".

Deadline for manuscript submissions: closed (21 August 2024) | Viewed by 1377

Special Issue Editors


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Guest Editor
Department of Computer Engineering, Chonnam National University, Yeosu 59626, Republic of Korea
Interests: artificial intelligence of things (AIoT); digital twin; machine learning; virtual power plant; energy optimization

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Guest Editor
School of Information and Communication Technology, Griffith University, Queensland 4222, Australia
Interests: artificial intelligence; robotics; data analysis; machine learning; reinforcement; renewable energy

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Guest Editor
Fusion Technology Support Division, Energy Industry Center, Chonnam Techno Park, Naju 58324, Republic of Korea
Interests: control and instrumentation; digital twin; human interface; virtual power plant; new energy industry; renewable energy

Special Issue Information

Dear Colleagues,

This Special Issue explores key aspects of designing, modeling, and controlling renewable energy systems. The main content is composed of five areas:

  1. Understanding Renewable Energy Systems: It is essential to understand the characteristics of various renewable energy systems.
  2. Modeling Renewable Energy Systems: Mathematical and simulation models are utilized to predict the behavior and performance of these systems.
  3. Renewable Energy System Control Techniques: Various control strategies and methods are applied to maximize efficiency and output in renewable energy systems.
  4. Integration of Renewable Energy Systems: The focus is on how to integrate various systems for a consistent power supply.
  5. Current Challenges and Future Directions: This issue examines challenges in technical, economic, and societal aspects and explores future trends and emerging technologies in the renewable energy field.

This Special Issue aims to provide a comprehensive understanding of renewable energy system modeling and control. It offers valuable insights, solutions, and future directions for researchers, academics, engineers, and policymakers in the energy sector.

Prof. Dr. Chang Gyoon Lim
Dr. Jun Jo
Dr. Dong-Ok Kim
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • renewable energy systems
  • system modeling
  • simulation models
  • energy system control techniques
  • predictive control
  • optimization techniques
  • real-time control
  • virtual power plant
  • system stability
  • microgrids
  • energy management

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Published Papers (1 paper)

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Research

25 pages, 11177 KiB  
Article
Research on Energy-Saving Control Strategies for Single-Effect Absorption Refrigeration Systems
by Zhenchang Liu, Aiguo Wu and Haitang Wen
Energies 2024, 17(18), 4658; https://doi.org/10.3390/en17184658 - 18 Sep 2024
Viewed by 957
Abstract
The automatic control device is a critical component of absorption refrigeration systems. Its functional enhancement can reduce operating costs, improve energy efficiency, and ensure long-term stable unit operation. Given that absorption refrigeration systems operate under various dynamic conditions, the rational design of control [...] Read more.
The automatic control device is a critical component of absorption refrigeration systems. Its functional enhancement can reduce operating costs, improve energy efficiency, and ensure long-term stable unit operation. Given that absorption refrigeration systems operate under various dynamic conditions, the rational design of control strategies is particularly important. This study analyzes the influence of changes in the cooling water and heat source water flow rates on the outlet temperature of chilled water in the unit based on the open-loop response characteristics of absorption refrigeration systems. It proposes a dual-loop energy-saving control strategy for single-effect hot water lithium bromide absorption refrigeration systems based on the setpoint comprehensive optimization algorithm. Considering the multiple variables, strong coupling, large inertia, long time delay, and nonlinear characteristics of absorption refrigeration systems, as well as the difficulties in modeling these systems, this study applies a model-free adaptive control algorithm to the system’s control. It derives both SISO and MIMO model-free control algorithms with time-delay components. Through simulations comparing MFAC, improved MFAC, and traditional PID control, the dual-loop energy-saving control strategy is demonstrated to effectively reduce system heat consumption by approximately 20%, decrease power consumption by about 10%, and enhance the system’s SCOP by approximately 19.3%. Full article
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