Present status of R & D on superconducting magnetic bearing technologies for flywheel energy storage system

N. Koshizuka, F. Ishikawa, H. Nasu, Masato Murakami, K. Matsunaga, S. Saito, O. Saito, Y. Nakamura, H. Yamamoto, R. Takahata, Tetsuo Oka, H. Ikezawa, M. Tomita

研究成果: Article

33 引用 (Scopus)

抄録

We report on the NEDO project of superconducting magnetic bearing (SMB) technologies for flywheel energy storage system. We fabricated SMB modules which consist of a stator of roof-tile shape YBaCuO bulks and a NdFeB permanent magnet circuit. The levitation force density of the bearings was 9 N/cm2. It was confirmed that pre-loading and excess cooling methods are both effective for suppressing the gradual fall of rotor due to flux creep. We designed a basic concept of 10 kWh class flywheel energy storage system and investigated the feasibility of active magnetic bearings for the 10 kWh system. We also examined the fabrication condition of CFRP flywheels for the system.

元の言語English
ページ(範囲)11-17
ページ数7
ジャーナルPhysica C: Superconductivity and its Applications
378-381
発行部数PART 1
DOI
出版物ステータスPublished - 2002 10 1
外部発表Yes

Fingerprint

flywheels
magnetic bearings
Magnetic bearings
Flywheels
energy storage
Energy storage
Bearings (structural)
carbon fiber reinforced plastics
roofs
levitation
Carbon fiber reinforced plastics
tiles
stators
Tile
permanent magnets
Roofs
Stators
Permanent magnets
rotors
Creep

ASJC Scopus subject areas

  • Condensed Matter Physics

これを引用

Present status of R & D on superconducting magnetic bearing technologies for flywheel energy storage system. / Koshizuka, N.; Ishikawa, F.; Nasu, H.; Murakami, Masato; Matsunaga, K.; Saito, S.; Saito, O.; Nakamura, Y.; Yamamoto, H.; Takahata, R.; Oka, Tetsuo; Ikezawa, H.; Tomita, M.

:: Physica C: Superconductivity and its Applications, 巻 378-381, 番号 PART 1, 01.10.2002, p. 11-17.

研究成果: Article

Koshizuka, N, Ishikawa, F, Nasu, H, Murakami, M, Matsunaga, K, Saito, S, Saito, O, Nakamura, Y, Yamamoto, H, Takahata, R, Oka, T, Ikezawa, H & Tomita, M 2002, 'Present status of R & D on superconducting magnetic bearing technologies for flywheel energy storage system', Physica C: Superconductivity and its Applications, 巻. 378-381, 番号 PART 1, pp. 11-17. https://doi.org/10.1016/S0921-4534(02)01374-6
Koshizuka, N. ; Ishikawa, F. ; Nasu, H. ; Murakami, Masato ; Matsunaga, K. ; Saito, S. ; Saito, O. ; Nakamura, Y. ; Yamamoto, H. ; Takahata, R. ; Oka, Tetsuo ; Ikezawa, H. ; Tomita, M. / Present status of R & D on superconducting magnetic bearing technologies for flywheel energy storage system. :: Physica C: Superconductivity and its Applications. 2002 ; 巻 378-381, 番号 PART 1. pp. 11-17.
@article{f2ccb892d8e6465a9dd552b3dfa4954e,
title = "Present status of R & D on superconducting magnetic bearing technologies for flywheel energy storage system",
abstract = "We report on the NEDO project of superconducting magnetic bearing (SMB) technologies for flywheel energy storage system. We fabricated SMB modules which consist of a stator of roof-tile shape YBaCuO bulks and a NdFeB permanent magnet circuit. The levitation force density of the bearings was 9 N/cm2. It was confirmed that pre-loading and excess cooling methods are both effective for suppressing the gradual fall of rotor due to flux creep. We designed a basic concept of 10 kWh class flywheel energy storage system and investigated the feasibility of active magnetic bearings for the 10 kWh system. We also examined the fabrication condition of CFRP flywheels for the system.",
keywords = "Active magnetic bearing, Flywheel energy storage system, Levitation force, Rotation loss, Superconducting magnetic bearing",
author = "N. Koshizuka and F. Ishikawa and H. Nasu and Masato Murakami and K. Matsunaga and S. Saito and O. Saito and Y. Nakamura and H. Yamamoto and R. Takahata and Tetsuo Oka and H. Ikezawa and M. Tomita",
year = "2002",
month = "10",
day = "1",
doi = "10.1016/S0921-4534(02)01374-6",
language = "English",
volume = "378-381",
pages = "11--17",
journal = "Physica C: Superconductivity and its Applications",
issn = "0921-4534",
publisher = "Elsevier",
number = "PART 1",

}

TY - JOUR

T1 - Present status of R & D on superconducting magnetic bearing technologies for flywheel energy storage system

AU - Koshizuka, N.

AU - Ishikawa, F.

AU - Nasu, H.

AU - Murakami, Masato

AU - Matsunaga, K.

AU - Saito, S.

AU - Saito, O.

AU - Nakamura, Y.

AU - Yamamoto, H.

AU - Takahata, R.

AU - Oka, Tetsuo

AU - Ikezawa, H.

AU - Tomita, M.

PY - 2002/10/1

Y1 - 2002/10/1

N2 - We report on the NEDO project of superconducting magnetic bearing (SMB) technologies for flywheel energy storage system. We fabricated SMB modules which consist of a stator of roof-tile shape YBaCuO bulks and a NdFeB permanent magnet circuit. The levitation force density of the bearings was 9 N/cm2. It was confirmed that pre-loading and excess cooling methods are both effective for suppressing the gradual fall of rotor due to flux creep. We designed a basic concept of 10 kWh class flywheel energy storage system and investigated the feasibility of active magnetic bearings for the 10 kWh system. We also examined the fabrication condition of CFRP flywheels for the system.

AB - We report on the NEDO project of superconducting magnetic bearing (SMB) technologies for flywheel energy storage system. We fabricated SMB modules which consist of a stator of roof-tile shape YBaCuO bulks and a NdFeB permanent magnet circuit. The levitation force density of the bearings was 9 N/cm2. It was confirmed that pre-loading and excess cooling methods are both effective for suppressing the gradual fall of rotor due to flux creep. We designed a basic concept of 10 kWh class flywheel energy storage system and investigated the feasibility of active magnetic bearings for the 10 kWh system. We also examined the fabrication condition of CFRP flywheels for the system.

KW - Active magnetic bearing

KW - Flywheel energy storage system

KW - Levitation force

KW - Rotation loss

KW - Superconducting magnetic bearing

UR - http://www.scopus.com/inward/record.url?scp=17744409231&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=17744409231&partnerID=8YFLogxK

U2 - 10.1016/S0921-4534(02)01374-6

DO - 10.1016/S0921-4534(02)01374-6

M3 - Article

AN - SCOPUS:17744409231

VL - 378-381

SP - 11

EP - 17

JO - Physica C: Superconductivity and its Applications

JF - Physica C: Superconductivity and its Applications

SN - 0921-4534

IS - PART 1

ER -