Study on High Temperature Superconducting Induction/Synchronous Machine Without Utilization of Rare-earth-elements Realizing Continuous Operation from Room Temperature

2013 Fiscal Year Final Research Report

• Project/Area Number: 23360124
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Power engineering/Power conversion/Electric machinery
• Research Institution: Kyoto University
• Principal Investigator: NAKAMURA Taketsune 京都大学, 工学(系)研究科(研究院), 准教授 (30303861)
• Co-Investigator(Kenkyū-buntansha): SUGANO Michinaka 大学共同利用機関法人高エネルギー加速器研究機構, 超伝導低温工学センター, 助教 (30402960)
• Research Collaborator: ITOH Yoshitaka 株式会社イムラ材料開発研究所, 研究開発グループ, 主任研究員 (20527478)
• Project Period (FY): 2011-04-01 – 2014-03-31
• Keywords: 高温超伝導 / 脱レアアース / 誘導同期回転機 / 非超伝導駆動 / 温度可変駆動 / ビスマス系高温超伝導線材 / 冷凍機冷却

Research Abstract

In this study, we carried out experimental and analytical investigation about optimal structure and control method of High Temperature Superconducting Induction/Synchronous Machine (HTS-ISM), which can be operated even at non-superconducting state. Based on this study, we could show the possible mitigation of cooling problems for the HTS-ISM.
First, we succeeded in continuous operation of 20 kW class HTS-ISM from superconducting state to non-superconducting state. Next, the analytical model was developed by means of electromagnetic field analysis and nonlinear electrical equivalent circuit, and then the rotating characteristics for maximum efficiency control were elucidated from the room temperature to the superconducting state. Furthermore, we studied quantitative value of the overall heat transfer coefficient of the laminated silicon steel core, cooling characteristics of the cryocooler for variable drive-frequency, and showed the possibility of variable temperature operation.

Research Products

• [Journal Article] Calculated Characteristics of HTS Induction/Synchronous Machine Below and Above its Critical Temperature (2013)
  • Author(s): H. Shimura, T . Nakamura, H. Kitano, T . Nishimura, N. Amemiya and Y . Itoh
  • Journal Title: IEEE Transactions on Applied Superconductivity Volume: Vol.23,No.3 Pages: 5201705 (5)
  • DOI: 10.1109/TASC.2013.2244637
  • Peer Reviewed
• [Journal Article] 特集 : 超電導産業機器技術の展開「輸送機器応用を目指した高温超電導誘導同期回転機システムの技術開発の進展 (2012)
  • Author(s): 中村武恒
  • Journal Title: 超電導 Web21(電子媒体) Volume: 3月号 Pages: 7-9
  • URL: http://www.istec.or.jp/web21/pdf/12_03/all.pdf
• [Journal Article] 高温超電導電動機と電力貯蔵装置の適用による電気鉄道の省エネルギー化に関する基礎検討 (2012)
  • Author(s): 小西武史, 中村武恒, 雨宮尚之
  • Journal Title: 電気学会論文誌B Volume: 132巻5号 Pages: 398-406
  • DOI: 10.1541/ieejpes.132.398
  • Peer Reviewed
• [Journal Article] 超電導電気自動車の夢 (2011)
  • Author(s): 中村武恒
  • Journal Title: 電気学会誌 Volume: 131巻9号 Pages: 630
  • DOI: 10.1541/ieejjournal.131.630
• [Presentation] Prominent Performance of 20kW-Class High Temperature Superconducting Induction/Synchronous Machine for Next Generation Automobile (2014)
  • Author(s): T . Nakamura, Y . Itoh, M. Y oshikawa, T . T erazawa, T . Nishimura, T . Ogasa, T . Matsuo, N. Amemiya, Y . Ohashi, M. Furuse and S. Fukui
  • Organizer: The 15th IUMRS-International Conference in Asia (IUMRS-ICA 2014)
  • Place of Presentation: Fukuoka University, Fukuoka(Japan)
  • Year and Date: 2014-08-28
  • Invited
• [Presentation] High temperature superconducting motor system for low carbon emission transportation equipment (2014)
  • Author(s): T . Nakamura, Y . Itoh, M. Yoshikawa, T . Terazawa, Y . Ohashi and Q. Li
  • Organizer: 1st International Symposium on Energy Challenges and Mechanics
  • Place of Presentation: Aberdeen, Scotland(UK)
  • Year and Date: 2014-07-10
  • Invited
• [Presentation] 高温超電導誘導同期回転機における冷却構造の検討-積層珪素鋼板の熱通過率の異方性 (2014)
  • Author(s): 渡邉潤, 志村拡俊, 中村武恒, 小笠卓郎, 雨宮尚之, 伊藤佳孝, 大橋義正
  • Organizer: 2014年春季低温工学・超電導学会
  • Place of Presentation: タワーホール船堀(江戸川区)
  • Year and Date: 2014-05-27
• [Presentation] 冷凍機 COP を考慮した高温超電導誘導同期回転機システムの定常駆動特性解析 (2014)
  • Author(s): 中村武恒, 志村拡俊, 西村立男, 小笠卓郎, 雨宮尚之, 伊藤佳孝, 大橋義正
  • Organizer: 2014年春季低温工学 ・ 超電導学会
  • Place of Presentation: タワーホール船堀(江戸川区)
  • Year and Date: 2014-05-27
• [Presentation] 車載用高温超電導モータの開発現状 (2014)
  • Author(s): 中村武恒
  • Organizer: 低温工学・超電導学会第4回超電導応用研究会/第2回 HTS 冷却システム検討会シンポジウム
  • Place of Presentation: 住友電気工業(株)大阪製作所(大阪市)
  • Year and Date: 2014-03-07
  • Invited
• [Presentation] 20 kW 級高温超電導誘導同期回転機の超電導ならびに非超電導状態における回転特性と冷却特性 (2013)
  • Author(s): 中村武恒, 西村立男, 志村拡俊, 李全, 小笠卓郎,雨宮尚之, 伊藤佳孝, 吉川雅章, 寺澤俊久, 奥村暢朗
  • Organizer: 2013年春季低温工学・超電導学会
  • Place of Presentation: タワーホール船堀(江戸川区)
  • Year and Date: 2013-05-14
• [Presentation] 超電導-常電導転移温度近傍における高温超電導誘導同期回転機の効率特性 (2012)
  • Author(s): 志村拡俊, 中村武恒, 西村立男, 北野紘生, 雨宮尚之, 伊藤佳孝, 吉川雅章
  • Organizer: 2012年秋季低温工学・超電導学会
  • Place of Presentation: いわて県民情報交流センター[アイーナ](盛岡市)
  • Year and Date: 2012-11-09
• [Presentation] Challenging Operational Break -through for HTS Induction /Synchronous Machine _ Below and Above Its Critical T emperature (2012)
  • Author(s): H. Shimura, T . Nakamura, H. Kitano, T . Nishimura, N. Amemiya and Y . Itoh
  • Organizer: Applied Superconductivity Conference 2012 (ASC 2012), Portland, Oregon, USA
  • Place of Presentation: Portland, Oregon(USA)
  • Year and Date: 2012-10-10
• [Presentation] Novel operational concept of HTS induction/synchronous machine : from non-superconducting to supercond -ucting state (2012)
  • Author(s): T . Nakamura, H. Shimura, D. Sekiguchi, H. Kitano, S. Misawa, N. Amemiya, Y . Itoh, M. Yoshikawa, T . Terazawa and M. Sugano
  • Organizer: International Cryogenic Engineering Conference 24 -International Cryogenic Materials Conference 2012 (ICEC 24-ICMC 2012)
  • Place of Presentation: 福岡国際会議場(福岡市)
  • Year and Date: 2012-05-16
  • Invited
• [Presentation] Development of next generation drive system by use of HTS induction /synchronous machine (2012)
  • Author(s): T . Nakamura, D. Sekiguchi, S. Misawa, H. Kitano, H. Shimura, T . Nishimura, N. Amemiya, Y . Itoh, M. Yoshikawa, T . Terazawa, Y . Ohashi and N. Okumura
  • Organizer: 3 rd International Conference on Superconductivity and Magnetism (ICSM2012)
  • Place of Presentation: イスタンブール(トルコ)
  • Year and Date: 2012-05-03
  • Invited
• [Presentation] 自動車用超電導モータの開発 (2011)
  • Author(s): 中村武恒
  • Organizer: 自動車用モータの小型軽量化と高機能化に向けた材料 ・ 構造技術
  • Place of Presentation: 東京ファッションタウン (TFT)ビル(江東区)
  • Year and Date: 2011-12-02
  • Invited
• [Presentation] Current status of high temperature supercon -ducting induction/synchronous machine for automobile application (2011)
  • Author(s): T . Nakamura, D. Sekiguchi, S. Misawa, H. Kitano, Y . Kawanishi, M. Fukui, T . Matsuo, M. Miyamoto, N. Amemiya, Y . Itoh, M. Y oshikawa, T . T erazawa, Y . Ohashi, N. Okumura, K. Osamura, J. Ogawa, S. Fukui and T Oka
  • Organizer: Asian Conference on Applied Superconductivity and Cryogenics 2011 (ACASC2011)
  • Place of Presentation: ニューデリー(インド)
  • Year and Date: 2011-11-17
  • Invited
• [Presentation] 高温超電導誘導同期機における自律安定性の実証 (2011)
  • Author(s): 北野紘生, 中村武恒, 関口大輔, 雨宮尚之, 伊藤佳孝
  • Organizer: 2011年度秋季低温工学・超電導学会
  • Place of Presentation: 金沢歌劇座(金沢市)
  • Year and Date: 2011-11-09
• [Presentation] Rotating characteristics of induction/synchronous motor by use of nonlinear property of HTS wires (2011)
  • Author(s): T . Nakamura
  • Organizer: The 15th Japan-US Workshop on Advanced Superconductors
  • Place of Presentation: 住友クラブ
  • Year and Date: 2011-10-28
  • Invited
• [Presentation] 超電導モータの最新技術動向 (2011)
  • Author(s): 中村武恒
  • Organizer: TECHNO-FRONTIER2011 技術シンポジウム( (社)日本能率協会主催)
  • Place of Presentation: 東京ビッグサイト
  • Year and Date: 2011-07-21
  • Invited