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Energies
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New Trends in Renewable Energy Source Generation System
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New Trends in Renewable Energy Source Generation System

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

Deadline for manuscript submissions: closed (31 January 2024) | Viewed by 6709

Special Issue Editors

Dr. Miloud Rezkallah

E-Mail Website
Guest Editor
1. Energy Intelligence Research and Innovation Center (CR2ie), 175, rue De La Vérendrye, Sept-Îles, QC, Canada
2. Electrical Engineering Department, Ecole de Technologie Superieure (ETS), Montreal, QC H3C 1K3, Canada
Interests: control and design of microgrids; renewable energy generations and applications; energy storage systems
Prof. Dr. Ambrish Chandra

E-Mail Website
Guest Editor
Electrical Engineering Department, Ecole de Technologie Superieure (ETS), Montreal, QC H3C 1K3, Canada
Interests: UPQC; power quality; harmonic compensation; active power filters; statcom; dstatcom; renewable energy; wind energy; solar energy; integration with grid
Special Issues, Collections and Topics in MDPI journals
Dr. Hussein Ibrahim

E-Mail Website
Guest Editor
Energy Intelligence Research and Innovation Center (CR2ie), 175, rue De La Vérendrye, Sept-lles, QC, Canada
Interests: renewable energy generations and integration; storage energy; microgrid and energy management
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

A strong global economic recovery following the COVID-19 pandemic has boosted the importance of renewable energy sources (RESs) in solving the energy crisis. However, RES is crucial to the transition to a more sustainable and responsible energy future. A Special Issue on "Trends in RESs Generation System" will be published in the international journal Energies, which will research and cover original studies with regards to the abovementioned topics, including, but not limited to: costs of sustainable technologies; advancements in storage technologies; and digitalization for effective and secure integration; artificial intelligence and machine learning in RESs; green hydrogen energy; the Internet of Things (IoT) applications; renewable portfolio standards (RPS); and renewable energy certificate. Review papers and studies that distinctly include recent advancements in RES generation are welcome.

Dr. Miloud Rezkallah
Prof. Dr. Ambrish Chandra
Dr. Hussein Ibrahim
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

  • grid and microgrid integration of RESs
  • storage technologies
  • green hydrogen energy
  • artificial intelligence applications
  • Internet of Things (IoT) applications in RESs
  • renewable portfolio standard
  • renewable energy certificate

Published Papers (4 papers)

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Research

22 pages, 6263 KiB  
Article
100% Renewable Electricity in Indonesia
by David Firnando Silalahi, Andrew Blakers and Cheng Cheng
Energies 2024, 17(1), 3; https://doi.org/10.3390/en17010003 - 19 Dec 2023
Cited by 1 | Viewed by 2288
Abstract
The rapid fall in the cost of solar photovoltaics and wind energy offers a pathway to the deep decarbonization of energy at an affordable price. Off-river pumped hydro energy storage and batteries provide mature and large-scale storage to balance variable generation and demand [...] Read more.
The rapid fall in the cost of solar photovoltaics and wind energy offers a pathway to the deep decarbonization of energy at an affordable price. Off-river pumped hydro energy storage and batteries provide mature and large-scale storage to balance variable generation and demand while minimizing environmental and social impacts. High-voltage inter-regional interconnection and dispatchable capacity (existing hydro and geothermal) can help balance supply and demand. This work investigates an Indonesian energy decarbonization pathway using mostly solar photovoltaics. An hourly energy balance analysis using ten years of meteorological data was performed for a hypothetical solar-dominated Indonesian electricity system for the consumption of 3, 6 and 10 megawatt-hours (MWh) per capita per year (compared with current consumption of 1 MWh per capita per year). Pumped hydro provides overnight and longer storage. Strong interconnection between islands was found to be unnecessary for Indonesia, contrary to findings from similar modelling in countries at higher latitudes. Storage requirements for power and energy were found to be smaller than three kilowatts and 30–45 kilowatt-hours per person, respectively. Introducing gas turbines (burning hydrogen or synthetic methane) contributing around 1% of annual generation reduced the levelized cost of electricity (LCOE) by 14% and halved the storage requirements by allowing the system to ride through prolonged cloudy periods at lower cost. This work showed that Indonesia’s vast solar potential combined with its vast capacity for off-river pumped hydro energy storage could readily achieve 100% renewable electricity at low cost. The LCOE for a balanced solar-dominated system in Indonesia was found to be in the range of 77–102 USD/megawatt-hour. Full article
(This article belongs to the Special Issue New Trends in Renewable Energy Source Generation System)
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17 pages, 3056 KiB  
Article
Allowing Large Penetration of Concentrated RES in Europe and North Africa via a Hybrid HVAC-HVDC Grid
by Haoke Wu, Lorenzo Solida, Tao Huang and Ettore Bompard
Energies 2023, 16(7), 3138; https://doi.org/10.3390/en16073138 - 30 Mar 2023
Viewed by 1287
Abstract
Renewable energy sources (RESs) and electricity demand are not evenly distributed geographically across Europe. Thus, harvesting the wind energy from the north and solar energy from the south and delivering them to the demand in central Europe is a more viable solution. However, [...] Read more.
Renewable energy sources (RESs) and electricity demand are not evenly distributed geographically across Europe. Thus, harvesting the wind energy from the north and solar energy from the south and delivering them to the demand in central Europe is a more viable solution. However, the present High-voltage alternating current (HVAC) transmission grids have been sometimes congested; thus, High-voltage direct current (HVDC) provides another possibility along the existing HVAC infrastructure. In this paper, we propose a hybrid HVAC-HVDC grid, allowing a large penetration of concentrated RES in Europe and North Africa. More specifically, the HVDC network is constructed to transfer wind and hydro electricity from northwestern Europe and solar electricity from north Africa, while the HVAC network is used to distribute electricity within each country or among adjacent areas. To quantitatively evaluate the feasibility and relevant performances, multiple dimensions of indicators are designed. Employing several European energy scenarios up to 2050, the performances of the proposed HVAC-HVDC infrastructure are analyzed and compared. The calculation results show that compared with the pure HVAC grid, the integrated HVAC-HVDC grid can significantly reduce greenhouse gas emissions and pollutants, leading to a further reduction in the number of deaths from air pollution. In addition, the HVAC-HVDC grids can accommodate a higher penetration of RES without causing infeasible power flows. Full article
(This article belongs to the Special Issue New Trends in Renewable Energy Source Generation System)
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32 pages, 12213 KiB  
Article
Wind SRG-Based Bipolar DC Microgrid with Grid-Connected and Plug-In Energy Supporting Functions
by Shangping Lin, Yujie Huang and Changming Liaw
Energies 2023, 16(7), 2962; https://doi.org/10.3390/en16072962 - 23 Mar 2023
Cited by 3 | Viewed by 1221
Abstract
Although a switched reluctance generator (SRG) is not the mainstream wind generator, it possesses the application potential and is worth developing for its many structural merits and high developed power ability. This paper presents a wind SRG-based bipolar DC microgrid having grid-connected and [...] Read more.
Although a switched reluctance generator (SRG) is not the mainstream wind generator, it possesses the application potential and is worth developing for its many structural merits and high developed power ability. This paper presents a wind SRG-based bipolar DC microgrid having grid-connected and plug-in energy supporting functions. First, a surface-mounted permanent magnet synchronous motor (SPMSM)-driven wind turbine emulator (WTE) is established. Next, the wind SRG with an asymmetric bridge converter is developed. Good generating characteristics are obtained through proper designs of power circuit, commutation mechanism, external excitation source, voltage and current controllers. Third, a DC/DC boost interface converter and a bipolar voltage balancer are constructed to establish the 500 V microgrid bipolar DC-bus. To preserve the microgrid power supplying quality, a battery energy storage system (BESS) with bidirectional DC/DC interface converter is equipped. A dump load leg is added across the bus to limit the DC-bus voltage under energy surplus condition. In load side, a three-phase bidirectional load inverter is developed, which can be operated as a single-phase three-wire (1P3W) inverter or a three-phase three-wire (3P3W) inverter. Good sinusoidal voltage waveform and regulation characteristics are obtained using the proportional-resonant (PR) control. The microgrid to load and microgrid to grid operations are conductible. Finally, to further improve the powering reliability of microgrid, a three-phase T-type Vienna switch-mode rectifier (SMR) based plug-in energy supporting scheme is developed. When the microgrid energy shortage occurs, the possible harvested energy can be used to supply the microgrid. Full article
(This article belongs to the Special Issue New Trends in Renewable Energy Source Generation System)
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27 pages, 16050 KiB  
Article
Accurate Peer-to-Peer Hierarchical Control Method for Hybrid DC Microgrid Clusters
by Ensheng Zhao, Yang Han, Hao Zeng, Luqiao Li, Ping Yang, Congling Wang and Amr S. Zalhaf
Energies 2023, 16(1), 421; https://doi.org/10.3390/en16010421 - 29 Dec 2022
Cited by 7 | Viewed by 1244
Abstract
Hybrid DC microgrid clusters contain various types of converters such as BOOST, BUCK, and bidirectional DC/DC converters, making the control strategy complex and difficult to achieve plug-and-play. The common master–slave hierarchical control strategy makes it difficult to achieve accurate and stable system control. [...] Read more.
Hybrid DC microgrid clusters contain various types of converters such as BOOST, BUCK, and bidirectional DC/DC converters, making the control strategy complex and difficult to achieve plug-and-play. The common master–slave hierarchical control strategy makes it difficult to achieve accurate and stable system control. This paper proposes an accurate peer-to-peer hierarchical control method for the hybrid DC microgrid cluster, and the working principle of this hierarchical control method is analyzed in detail. The microgrid cluster consists of three sub-microgrids, where sub-microgrid A consists of three BUCK converters, sub-microgrid B consists of three BOOST converters, and sub-microgrid C consists of two bidirectional DC/DC converters. According to all possible operations of various sub-microgrids in the microgrid cluster, the top-, mid-, and bottom-level controls are designed to solve the coordination control problem among different types of sub-microgrids. In this paper, a hybrid microgrid cluster simulation model is built in the PLECS simulation environment, and an experimental hardware platform is designed. The simulation and experiment results verified the accuracy of the proposed control strategy and its fast plug-and-play regulation ability for the system. Full article
(This article belongs to the Special Issue New Trends in Renewable Energy Source Generation System)
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