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Renewable Energy Utilization and Storage

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Energy Sustainability".

Deadline for manuscript submissions: closed (30 September 2021) | Viewed by 7268

Special Issue Editors


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Guest Editor
Department of Electrical Engineering, Nation Changhua University of Education, Changhua City 500, Taiwan
Interests: battery management systems; facility location; logistics; regression analysis; analytic hierarchy process; battery powered vehicles; battery storage plants; diesel engines; distributed power generation; electrochemical impedance spectroscopy; energy storage; goods distribution; lead acid batteries
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Guest Editor
Department of Electrical Engineering, National Chung Hsing University, Taichung 402, Taiwan
Interests: electric vehicles; power electronics; high-efficiency energy power conditioning systems

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Guest Editor
Department of Marine Engineering, Graduate School of Maritime Sciences, Kobe University, Hyogo 658-0022, Japan
Interests: soft-switching DC–DC converters; resonant converters; high-frequency inverter
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Guest Editor
School of Electrical and Electronics Engineering, Engineering Campus, Universiti Sains Malaysia, Nibong Tebal 14300, Malaysia
Interests: power system reliability; optimization; renewable integrations
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Special Issue Information

Dear Colleagues,

The modern electric power system urgently needs to be transformed into a clean energy system with high efficiency and low carbon emissions. The implementation of renewable energy and smart grids is considered important. Among the renewable energy sources, solar energy, wind energy, hydropower, geothermal energy, and biomass are the main sources of energy generation. Renewable energy sources have many benefits such as reducing greenhouse gases, reducing pollution, and mitigating climate change. Therefore, the integration of renewable energy with smart grids can be highly advantageous. Energy storage technology is a technology that chemically or physically stores electrical energy and converts it into electrical energy when needed. Energy storage plays a key role in smart grids. It can be used to adjust and balance the power flow between power sources and loads, and thus effectively increase power stability and reliability. Renewable energy, smart grids, and energy storage need development and the application of new technologies, operating models, control methods, prediction/estimation algorithms, and optimization theories. In addition, there are many implementation and technical challenges in integrating renewable energy and energy storage with the smart grid environment. This Special Issue provides a platform for academics and researchers to contribute their research results on relevant innovations, theories, and practices in renewable energy, energy storage, and smart grids.

Topics of interest include, but are not limited to, the following:

  • Solar energy
  • Wind energy
  • Biomass energy
  • Hydroelectric power
  • Geothermal energy
  • Ocean energy
  • Smart grids
  • Battery storage systems
  • Battey SoC, SoH, and thermal estimations
  • Battery charging, balancing, and management technologies
  • Information, communication, machine learning, IoT, and big data for renewable energy, storage systems, and smart grids
  • Threats, challenges, and opportunities associated with integrating renewable energy, storage systems, and smart grids
  • Case studies on recent advances in renewable energy, storage systems, and smart grids
  • Environmental, economic, policy, or social impacts of renewable energy, energy storage systems, and smart grids

Prof. Dr. Liang-Rui Chen
Dr. Ching-Ming Lai
Prof. Dr. Tomokazu Mishima
Prof. Dr. Jiashen Teh
Guest Editors

Manuscript Submission Information

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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. Sustainability 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.

Keywords

  • renewable energy
  • energy storage
  • battery
  • smart grid

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Published Papers (2 papers)

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Research

15 pages, 7612 KiB  
Article
Simulation-Assisted Design Process of a 22 kW Wireless Power Transfer System Using Three-Phase Coil Coupling for EVs
by Chia-Hsuan Wu, Ching-Ming Lai, Tomokazu Mishima and Zheng-Bo Liang
Sustainability 2021, 13(21), 12257; https://doi.org/10.3390/su132112257 - 6 Nov 2021
Cited by 1 | Viewed by 2616
Abstract
The objective of this paper is to study a 22 kW high-power wireless power transfer (WPT) system for battery charging in electric vehicles (EVs). The proposed WPT system consists of a three-phase half-bridge LC–LC (i.e., primary LC/secondary LC) resonant power converter and a [...] Read more.
The objective of this paper is to study a 22 kW high-power wireless power transfer (WPT) system for battery charging in electric vehicles (EVs). The proposed WPT system consists of a three-phase half-bridge LC–LC (i.e., primary LC/secondary LC) resonant power converter and a three-phase sandwich wound coil set (transmitter, Tx; receiver, Rx). To transfer power effectively with a 250 mm air gap, the WPT system uses three-phase, sandwich-wound Tx/Rx coils to minimize the magnetic flux leakage effect and increase the power transfer efficiency (PTE). Furthermore, the relationship of the coupling coefficient between the Tx/Rx coils is complicated, as the coupling coefficient is not only dominated by the coupling strength of the primary and secondary sides but also relates to the primary or secondary three-phase magnetic coupling effects. In order to analyze the proposed three-phase WPT system, a detailed equivalent circuit model is derived for a better understanding. To give a design reference, a novel coil design method that can achieve high conversion efficiency for a high-power WPT system was developed based on a simulation-assisted design procedure. A pair of magnetically coupled Tx and Rx coils and the circuit parameters of the three-phase half-bridge LC–LC resonant converter for a 22 kW WPT system are adjusted through PSIM and CST STUDIO SUITE™ simulation to execute the derivation of the design formulas. Finally, the system achieved a PTE of 93.47% at an 85 kHz operating frequency with a 170 mm air gap between the coils. The results verify the feasibility of a simulation-assisted design in which the developed coils can comply with a high-power and high-efficiency WPT system in addition to a size reduction. Full article
(This article belongs to the Special Issue Renewable Energy Utilization and Storage)
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24 pages, 10218 KiB  
Article
A High Step-up DC-DC Converter Based on the Voltage Lift Technique for Renewable Energy Applications
by Shahrukh Khan, Arshad Mahmood, Mohammad Zaid, Mohd Tariq, Chang-Hua Lin, Javed Ahmad, Basem Alamri and Ahmad Alahmadi
Sustainability 2021, 13(19), 11059; https://doi.org/10.3390/su131911059 - 7 Oct 2021
Cited by 19 | Viewed by 3689
Abstract
High gain DC-DC converters are getting popular due to the increased use of renewable energy sources (RESs). Common ground between the input and output, low voltage stress across power switches and high voltage gain at lower duty ratios are desirable features required in [...] Read more.
High gain DC-DC converters are getting popular due to the increased use of renewable energy sources (RESs). Common ground between the input and output, low voltage stress across power switches and high voltage gain at lower duty ratios are desirable features required in any high gain DC-DC converter. DC-DC converters are widely used in DC microgrids to supply power to meet local demands. In this work, a high step-up DC-DC converter is proposed based on the voltage lift (VL) technique using a single power switch. The proposed converter has a voltage gain greater than a traditional boost converter (TBC) and Traditional quadratic boost converter (TQBC). The effect of inductor parasitic resistances on the voltage gain of the converter is discussed. The losses occurring in various components are calculated using PLECS software. To confirm the performance of the converter, a hardware prototype of 200 W is developed in the laboratory. The simulation and hardware results are presented to determine the performance of the converter in both open-loop and closed-loop conditions. In closed-loop operation, a PI controller is used to maintain a constant output voltage when the load or input voltage is changed. Full article
(This article belongs to the Special Issue Renewable Energy Utilization and Storage)
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