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Recent Advances in Modeling, Optimization and Control of the Distributed...
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Recent Advances in Modeling, Optimization and Control of the Distributed Energy Resources

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Power Electronics".

Deadline for manuscript submissions: 15 August 2024 | Viewed by 1881

Special Issue Editors

Dr. Cristina Ventura

E-Mail Website
Guest Editor
DIEEI – Electrical Electronic and Computer Engineering, University of Catania, 95125 Catania, Italy
Interests: photovoltaic systems; forecasting for photovoltaic systems; photovoltaic/thermal systems; photovoltaic systems monitoring; fault detection in photovoltaic systems; distributed photovoltaic resources
Special Issues, Collections and Topics in MDPI journals
Dr. Santi Agatino Rizzo

E-Mail Website
Guest Editor
Department of Electrical Engineering and Computer Science, University of Catania, 95125 Catania, Italy
Interests: power electronics; power systems; applied optimization; applied machine learning; reliability Photo:
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Electric power-transmission and -distribution systems are undergoing a considerable transition toward Smart Grids, which are reliable and efficient networks to which distributed generation systems from renewable sources, smart and flexible loads, energy-storage systems, and electric vehicles are connected.

With the growing number of Distributed Energy Resources (DERs), power supply flexibility is also becoming more important. In order to utilize DERs to their fullest potential, advanced technologies and tools must be used for their management and optimization.

We welcome contributions of ideas and innovative solutions that could accelerate the implementation of technological solutions for the distributed conversion of energy from renewable sources, by deepening actions that will improve the robustmess of the national power grid and encouraging the full integration of green sources while maintaining the quality of service, adequacy, efficiency, resilience, and security of the power system.

This Special Issue calls for original research articles, reviews, and case studies on the theories, frameworks, mechanisms, regulations, and supporting technologies behind DERs. Topics include, but are not limited to:

  • Distributed generation, renewable energy resources, Smart Grids, and microgrids.
  • The impact of DER interconnection on the distribution network.
  • Distributed generators and energy-storage system integration.
  • Practical applications to foster the diffusion of Renewable Energy Source (RES)-based distributed generation.
  • The integration and control of DERs.
  • The design and implementation of future DER systems.
  • Ancillary services under the highly variable penetration of RES-based distributed generation.
  • Protection, resilience and safety for DERs.
  • Power Electronics for DERs.
  • Management and optimization methods for DERs.
  • Decision-making strategies for distributed energy systems.
  • The use of advanced automation, remote control and smart sensing.
  • The coordination of DERs and electric vehicles.
  • Projects, demonstrators, laboratories, and the use of hard-in-the-loop for testing smart distribution networks.

Dr. Cristina Ventura
Dr. Santi Agatino Rizzo
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. Electronics 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 2400 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.

Published Papers (2 papers)

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Research

18 pages, 18289 KiB  
Article
A Hybrid Active Damping Strategy for Improving the Adaptability of LCL Converter in Weak Grid
by Jingtao Huang, Yiju Zhao, Jie Wang and Peng Zhang
Electronics 2024, 13(1), 144; https://doi.org/10.3390/electronics13010144 - 28 Dec 2023
Viewed by 569
Abstract
In a weak grid, the line impedance variation will cause the resonant frequency of the LCL filter to shift towards lower frequencies, thus reducing the quality of the grid-connected current and affecting the power grid stability. To solve this problem, a hybrid active [...] Read more.
In a weak grid, the line impedance variation will cause the resonant frequency of the LCL filter to shift towards lower frequencies, thus reducing the quality of the grid-connected current and affecting the power grid stability. To solve this problem, a hybrid active damping strategy with feedforward compensation is proposed for the neutral point clamped (NPC) LCL grid-connected inverter system. In order to reshape the output conductance of the grid-connected system, suppress the resonance spikes of the LCL filter and improve the adaptability of the grid-connected system to the weak grid. A first-order low-pass filter is designed in the grid-connected current loop, and an active damping control of grid-connected current based on a first-order high-pass filter is also proposed. Compared with the conventional capacitive current active damping, no additional sensors are required, and the use of a differential is avoided, which reduces the high-frequency noise. The use of passive resistors is reduced, which reduces the power loss of the grid-connected system. In addition, a point of common coupling (PCC) voltage feedforward strategy based on a low-pass filter is designed to suppress the background higher harmonics at PCC and improve the quality of grid-connected current. In this work, the robustness of the system is analyzed when the parameters of the LCL filter change. Finally, the virtual space vector modulation strategy is used to balance the neutral voltage of the DC bus. Simulation and experimental results show that the control strategy can effectively improve the adaptability of the system to the weak power grid, improve the quality of grid-connected current, and demonstrate strong stability. The THD can be decreased by 0.2% at least, and the improvements are more significant with larger line impedance; the THD is only 2.33% even at 10 mH line impedance. Full article
(This article belongs to the Special Issue Recent Advances in Modeling, Optimization and Control of the Distributed Energy Resources)
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15 pages, 2572 KiB  
Article
Evaluating the Role of Integrated Photovoltaic and Energy Storage Systems in the Net-Zero Transition: A Case Study in Taiwan
by Ting-Yu Liao, Hsin-Wei Hsu, Bing-Jyun Chen, Chih-Kang Wang and Jing-Ying Fu
Electronics 2023, 12(16), 3417; https://doi.org/10.3390/electronics12163417 - 11 Aug 2023
Cited by 1 | Viewed by 940
Abstract
This study investigates the role of integrated photovoltaic and energy storage systems in facilitating the net-zero transition for both governments and consumers. A bi-level planning model is proposed to address the challenges encountered by existing power supply systems in meeting the escalating electricity [...] Read more.
This study investigates the role of integrated photovoltaic and energy storage systems in facilitating the net-zero transition for both governments and consumers. A bi-level planning model is proposed to address the challenges encountered by existing power supply systems in meeting the escalating electricity demands. In the upper level, governments provide incentives to users through subsidies for photovoltaic power generation, energy storage system installations, and electricity procurement. Meanwhile, at the lower level, load requirements are optimized, and costs are minimized by integrating solar power generation, battery energy storage, and electricity procurement. To effectively address these complexities, a hybrid physics-inspired algorithm for bi-level programming is utilized for iterative problem solving. The findings indicate that relying on photovoltaic output during peak load periods and conducting small electricity purchases, while storing excess electricity, proves to be an efficient approach. This model offers a cost-effective solution for managing energy consumption, mitigating potential power shortages, and reducing frequent outages. Furthermore, this research contributes to a comprehensive understanding of the net-zero transition and its implications for power supply systems. Specifically, it highlights the significance of integrated photovoltaic and energy storage systems in assisting businesses with specific energy storage planning, determining optimal charging and discharging schedules, and considering government subsidies. Full article
(This article belongs to the Special Issue Recent Advances in Modeling, Optimization and Control of the Distributed Energy Resources)
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