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Emerging Trends in Superconductivity for Electric Power Technologies

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F: Electrical Engineering".

Deadline for manuscript submissions: 18 February 2025 | Viewed by 1163

Special Issue Editors


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Guest Editor
College of Electrical and Information Engineering, Hunan University, Changsha 410082, China
Interests: superconducting power technology; HTS magnets and their applications; design and optimization of superconducting motor&generator; wind power hydrogen production

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Guest Editor
Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100015, China
Interests: ultra-high-field superconducting magnet technology; high-temperature-superconducting magnet technology

Special Issue Information

Dear Colleagues,

Superconductivity, since its discovery in 1911 by Heike Kamerlingh Onnes, has a history of over 100 years but still remains a challenging and unknown field. Superconducting technology, as a forward-looking and disruptive technology, provides technological innovation for the development of many engineering application fields such as power, energy, medical, and transportation. Superconducting power technology is becoming one of the most promising technologies in the field of power technology, and in the near future, it will bring the development of power technology into a new era. Global researchers have utilized the zero-resistance and high-current-density characteristics of superconducting materials to achieve efficient, low-loss, and environmentally friendly power transmission, distribution, and storage, such as superconducting cable, superconducting current limiter, superconducting wind power generation, superconducting transformer, superconducting energy storage, magnetic confinement fusion, etc., leading to the development of more flexible and compact electrical equipment and a state-of-the-art power system.

This Special Issue aims to present and disseminate the most recent advances and emerging trends related to the theory, design, modeling, and application of all types of superconducting electric power equipment.

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

All aspects of superconducting motors/generators, superconducting wind turbine generators, superconducting phase-shifting machines, superconducting DC dynamos, superconducting motor/generator technologies for more electric aircraft, electric vehicles, and electric ships.

  • Superconducting cable and energy pipeline.
  • Superconducting energy storage.
  • Superconducting smart grid.
  • Superconducting current limiter.
  • Superconducting transformer.
  • Superconducting magnet.
  • The novel applications of superconducting electric equipment.
  • Optimal design methodologies.
  • Advanced modeling approaches.
  • Thermal and mechanical analyses.

Prof. Dr. Yujia Zhai
Prof. Dr. Jianhua Liu
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. 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

  • superconducting power technology
  • emerging trends in applied superconductivity
  • superconducting magnet
  • new applications
  • modeling
  • design

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Published Papers (1 paper)

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Research

12 pages, 4027 KiB  
Article
A Practical Superconducting DC Dynamo for Charging Conduction-Cooled HTS Magnet
by Yujia Zhai, Chunran Mu, Jinduo Wang, Litong Zhu, Tingkun Weng, Zhuo Li, Xingzheng Wu, Liufei Shen, Jianhua Liu and Qiuliang Wang
Energies 2024, 17(11), 2684; https://doi.org/10.3390/en17112684 - 31 May 2024
Viewed by 762
Abstract
At present, HTS magnets cannot operate in the real closed-loop persistent current mode due to the existence of joint resistance, flux creep, and AC loss of the HTS tape. Instead of using a current source, HTS flux pumps are capable of injecting flux [...] Read more.
At present, HTS magnets cannot operate in the real closed-loop persistent current mode due to the existence of joint resistance, flux creep, and AC loss of the HTS tape. Instead of using a current source, HTS flux pumps are capable of injecting flux into closed HTS magnets without electrical contact. This paper presents a practical superconducting DC dynamo for charging a conduction-cooled HTS magnet system based on a flux-pumping technique. To minimize heat losses, the rotor is driven by a servo motor mounted outside the vacuum dewar by utilizing magnetic fluid dynamic sealing. Different parameters, such as air gap and rotating speed, have been tested to investigate the best pumping effect, and finally, it successfully powers a 27.3 mH HTS non-insulated double-pancake coil to the current of 54.2 A within 76 min. As a low-cost and compact substitute for the traditional current source, the realization of a contactless DC power supply can significantly improve the flexibility and mobility of the HTS magnet system and could be of great significance for the technological innovation of future HTS magnets used in offshore wind turbines, biomedical, aerospace, etc. Full article
(This article belongs to the Special Issue Emerging Trends in Superconductivity for Electric Power Technologies)
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