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Electronics
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Applied Superconductivity in Power Systems
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Applied Superconductivity in Power Systems

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

Deadline for manuscript submissions: closed (10 November 2023) | Viewed by 4557

Special Issue Editors

Dr. Jing Shi

E-Mail Website
Guest Editor
School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Interests: superconducting power device; high-temperature superconducting magnets and applications; power system stability and control; renewable energy power generation systems; demand response of power systems
Dr. Boyang Shen

E-Mail Website
Guest Editor
Electrical Engineering Division, Department of Engineering, University of Cambridge, Cambridge CB3 9AL, UK
Interests: superconductivity; energy system; transportation
Special Issues, Collections and Topics in MDPI journals
Dr. Md Rabiul Islam

E-Mail Website
Guest Editor
School of Electrical, Computer and Telecommunications Engineering (SECTE), Faculty of Engineering and Information Sciences, University of Wollongong, Wollongong, NSW 2522, Australia
Interests: renewable energy technologies; power electronics; electrical machines; smart grids; power quality; electrical vehicles
Special Issues, Collections and Topics in MDPI journals
Dr. Ying Xu

E-Mail Website
Guest Editor
State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Interests: superconducting power device; high-temperature superconducting magnets and applications; electrical engineering technology; electromagnetic technology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Applied superconductivity is a cutting-edge technology that solves several important technical problems in future power systems. Its effective application in power systems can greatly increase the capacity of transmission and distribution lines, reduce power grid losses, raise energy utilization efficiency, improve power quality, and reduce the occupation of power equipment, which can contribute to reducing carbon emissions and protect the global environment. Due to the rapid development of high-temperature superconductors (HTSs), superconducting technology and its applications have attracted a great deal of attention around the world. The development of superconductivity requires a wide range of disciplines, such as superconducting physics, superconducting materials, cryogenic engineering, power electronics, power systems, automatic control, and mechanical manufacturing. Therefore, a large amount of theoretical and practical engineering research work needs to be carried out in terms of the comprehensive design, application mode and interaction with power systems of superconducting power devices.

The purpose of this Special Issue is to provide a platform for presenting the latest research results on applied superconductivity in electric power systems. We seek original research papers on theoretical, methodological and empirical studies, as well as review papers, that provide critical overviews on the state of the art of technologies. This Special Issue is open to papers on all types of superconducting conductors, coils and magnets. This Special Issue is also applicable to small-scale and large-scale superconducting power applications. We kindly welcome original, high-quality contributions that are not yet published or that are not currently under review by other journals or peer-reviewed conferences.

The aim of this Special Issue is to present novel theoretical approaches and techniques for applied superconducting in power systems, including the theory, experimental studies, methods of analysis and testing, design, manufacturing, and operation of superconducting devices or their components, as well as superconducting materials.

Topics of interest for this Special Issue include, but are not limited to, the following:

  • Superconducting power devices—Motors, generators, power transmission lines and cables, transformers, superconducting magnetic energy storage, fault current limiters, superconducting maglev flywheel energy storage, etc.
  • Modeling of the superconducting characteristic, loss, stability and quench protection.
  • Numerical analysis for superconducting power devices.
  • Multi-physical computation for superconducting power devices.
  • Optimization design for superconducting power devices.
  • Application mode of superconducting power devices in power systems.
  • Interaction between superconducting power devices and power systems.
  • Power system analysis, protection and control.

Dr. Jing Shi
Dr. Boyang Shen
Dr. Md Rabiul Islam
Dr. Ying Xu
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.

Keywords

  • superconducting motors/generators
  • superconducting cables
  • superconducting transformers
  • superconducting magnetic energy storage
  • superconducting fault current limiters
  • superconducting maglev flywheel energy storage
  • superconducting magnet
  • multi-physical optimization design
  • power system stability
  • economics of power system operation

Published Papers (3 papers)

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Research

19 pages, 7993 KiB  
Article
Optimization Study of Cooling Channel for the Oil Cooling Air Gap Armature in a High-Temperature Superconducting Motor
by Shuai Yu, Yong Zhou, Yongmao Wang, Ji Zhang, Qi Dong, Jie Tian, Jing Chen and Feng Leng
Electronics 2024, 13(1), 97; https://doi.org/10.3390/electronics13010097 - 25 Dec 2023
Viewed by 609
Abstract
With the continuous advancement of science and technology, the application of high-temperature superconductivity has developed rapidly. The high-temperature superconducting (HTS) motor replacing the copper coil in the traditional motor with HTS winding is increasingly used in power equipment, and the effective thermal management [...] Read more.
With the continuous advancement of science and technology, the application of high-temperature superconductivity has developed rapidly. The high-temperature superconducting (HTS) motor replacing the copper coil in the traditional motor with HTS winding is increasingly used in power equipment, and the effective thermal management of HTS winding is vital in ensuring the life and effective operation of the HTS motor. In this study, five enhancement structures of indirect oil cooling channels were designed to improve the heat dissipation capacity of the HTS motor winding, and the enhancement effects of the different structures were comprehensively evaluated through numerical simulation using Fluent software 2022R1. The best enhancement structure was selected through structural optimization. The results showed that the Nusselt number of the gap-type enhanced structure was higher than that of the V- and staggered-type structures at the same flow velocity and 68% higher than that of the bare pipe. At the same inlet flow velocity and with a pressure drop limit of 30 kPa, the performance evaluation criterion value of the gap-type structure was 39% and 63% higher than that of the staggered- and V-type structures, respectively. The gap type is the optimal enhancement structure and can effectively improve the heat dissipation of the HTS winding coil. Full article
(This article belongs to the Special Issue Applied Superconductivity in Power Systems)
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16 pages, 5361 KiB  
Article
Design and Performance Tests of a Fault Current-Limiting-Type Tri-Axial HTS Cable Prototype
by Yajun Xia, Yuntao Song, Tao Ma, Jinxing Zheng, Huajun Liu, Fang Liu and Meng Song
Electronics 2022, 11(8), 1242; https://doi.org/10.3390/electronics11081242 - 14 Apr 2022
Cited by 2 | Viewed by 1485
Abstract
Current-limiting superconducting cable uses the quench resistance of superconductor under short-circuit current to improve the short-circuit impedance of the system. In this paper, the design of current-limiting 10 kV three-phase tri-axial superconducting cable is studied. The design methods of cable conductor layer, insulation [...] Read more.
Current-limiting superconducting cable uses the quench resistance of superconductor under short-circuit current to improve the short-circuit impedance of the system. In this paper, the design of current-limiting 10 kV three-phase tri-axial superconducting cable is studied. The design methods of cable conductor layer, insulation layer and current-limiting characteristics are given, and one 5 m-long sample is fabricated for testing. The sample is made of stainless-steel-reinforced yttrium barium copper oxide (YBCO) tape, with an expected rated current of 2.5 kA and rated voltage of 10 kV. The test results show that the designed cable can transmit a maximum AC current of 3.0 kA at 77 K. The cable has passed the power frequency withstand voltage, partial discharge and lightning impulse tests. The current limiting characteristics under the action of DC pulse current show that the cable can quickly quench and produce resistance, and the corresponding equivalent resistance value also changes along with current amplitude and duration. Full article
(This article belongs to the Special Issue Applied Superconductivity in Power Systems)
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14 pages, 9737 KiB  
Article
Optimisation of Energy Efficiency: Dynamic Voltages in Superconducting Tapes to Energise Superconducting Power/Energy Applications
by Boyang Shen, Mingshun Zhang, Xingming Bian, Xiaoyuan Chen and Lin Fu
Electronics 2022, 11(7), 1098; https://doi.org/10.3390/electronics11071098 - 30 Mar 2022
Cited by 8 | Viewed by 1682
Abstract
The evolution from low-temperature superconductors (LTSs) to high-temperature superconductors (HTSs) has created a great amount of opportunities for superconducting applications to be used in real life. Dynamic voltage is a special superconducting phenomenon, and it occurs when the superconductor takes a DC transport [...] Read more.
The evolution from low-temperature superconductors (LTSs) to high-temperature superconductors (HTSs) has created a great amount of opportunities for superconducting applications to be used in real life. Dynamic voltage is a special superconducting phenomenon, and it occurs when the superconductor takes a DC transport current while simultaneously exposed to an AC magnetic field. The dynamic voltage is crucial for some superconducting applications as it is the energy source by which to energise the load, such as flux pumps. This article investigates the missing aspects that previous studies have not deeply exploited: the optimisation of energy efficiency for the dynamic voltage in an HTS tape with different working conditions (e.g., currents and magnetic fields). First, the mechanics of superconducting dynamic voltage were explicated by typical analytical solutions, and the modelling method was validated by reproducing the behaviours of the Bean model and analytical solutions of dynamic voltage. After the feasibility of the modelling was proved, in-depth modelling was performed to optimise the energy efficiency of an HTS tape with different DC transport currents and AC magnetic fields. Owing to the physical limitations of the superconducting tape (e.g., quench), a safe operating region was determined, and a more delicate optimisation was performed to discover the optimal operating conditions of the HTS tape. The novel conceptualisation and optimisation approaches for the superconducting dynamic voltage in this article are beneficial for the future design and optimisation of superconducting energy/power applications under complicated electromagnetic conditions. Full article
(This article belongs to the Special Issue Applied Superconductivity in Power Systems)
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