JP2001044032A - Magnetizing method for high-temperature- superconducting bulk magnet mounted on superconducting magnet-levitation railway vehicle - Google Patents
Magnetizing method for high-temperature- superconducting bulk magnet mounted on superconducting magnet-levitation railway vehicleInfo
- Publication number
- JP2001044032A JP2001044032A JP21153099A JP21153099A JP2001044032A JP 2001044032 A JP2001044032 A JP 2001044032A JP 21153099 A JP21153099 A JP 21153099A JP 21153099 A JP21153099 A JP 21153099A JP 2001044032 A JP2001044032 A JP 2001044032A
- Authority
- JP
- Japan
- Prior art keywords
- bulk magnet
- superconducting bulk
- railway vehicle
- superconducting
- temperature superconducting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、超電導磁気浮上式
鉄道車両に搭載する超電導磁気磁石装置の着磁方法に係
り、特に、その高温超電導バルクマグネットの着磁方法
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for magnetizing a superconducting magnetic magnet device mounted on a superconducting magnetic levitation railway vehicle, and more particularly to a method for magnetizing a high-temperature superconducting bulk magnet.
【０００２】[0002]
【従来の技術】従来、超電導磁気浮上式鉄道車両の左右
は超電導線をレーストラック状に巻いた超電導コイルを
進行方向に配置する方式のものが用いられているが、こ
れに代わって、本願発明者等によって、高温超電導バル
クマグネットを配置する方式のものが提案されている
（例えば、特開平１１−９７２３１号公報参照）。つま
り、高温超電導体を並べて着磁して磁石化したバルクマ
グネットを浮上式鉄道用の超電導磁石に応用することが
提案されている。2. Description of the Related Art Conventionally, a superconducting magnetic levitation type railcar has a system in which superconducting coils each having a superconducting wire wound in a race track shape are arranged in the traveling direction on the right and left sides. A system in which a high-temperature superconducting bulk magnet is disposed has been proposed by a person or the like (for example, see Japanese Patent Application Laid-Open No. 11-97231). That is, it has been proposed to apply a bulk magnet formed by arranging and magnetizing high-temperature superconductors to a superconducting magnet for a floating railway.
【０００３】[0003]
【発明が解決しようとする課題】従来の浮上式鉄道用超
電導磁石は、台車に取り付けた状態で、地上の励磁用電
源から電流を供給して、超電導コイルを励磁している。
しかしながら、高温超電導バルクマグネットを用いる場
合は、その着磁方法が従来のような超電導コイルを用い
た場合とは大きく異なり、励磁用電源から直接バルクマ
グネットに電流を供給して励磁することができず、外部
から磁界を印加して着磁する、フィールドクールやパル
ス着磁によらなければならないため、高温超電導バルク
マグネットに大きな磁界を着磁するためには、寸法が大
きく、大きな磁界が発生できるコイルを別途用意しなけ
ればならず、それは大きな問題として挙げられている。A conventional floating superconducting magnet for a railway uses a current supplied from an excitation power source on the ground to excite the superconducting coil while being mounted on a bogie.
However, when a high-temperature superconducting bulk magnet is used, its magnetization method is significantly different from the case where a conventional superconducting coil is used. In order to magnetize a high-temperature superconducting bulk magnet, a coil with a large size and a large magnetic field can be generated in order to magnetize a high-temperature superconducting bulk magnet because it must be magnetized by applying a magnetic field from the outside and magnetizing by field cooling or pulse magnetization. Must be prepared separately, which is cited as a major problem.
【０００４】すなわち、超電導磁気浮上式鉄道車両の左
右に配置された高温超電導バルクマグネットに対して
は、片側からフィールドクールやパルス着磁を行うこと
になり、着磁のためには大きな磁界をかけなければなら
ず、その場合、高温超電導バルクマグネットに対して均
一な磁界を作用させることができず、着磁効率が低減す
る、左右方向に大きな不均一な電磁力が発生するといっ
た問題があった。That is, field cooling or pulse magnetization is performed on one side of the high-temperature superconducting bulk magnets disposed on the left and right sides of the superconducting magnetic levitation railway vehicle, and a large magnetic field is applied for the magnetization. In this case, a uniform magnetic field cannot be applied to the high-temperature superconducting bulk magnet, which causes a problem that the magnetizing efficiency is reduced and a large non-uniform electromagnetic force is generated in the left-right direction. .
【０００５】本発明は、上記問題点を除去し、高温超電
導バルクマグネットを浮上式鉄道車両の台車から外し
て、その外された高温超電導バルクマグネットを対向し
て配置された励磁コイル間に配置して着磁することによ
り、励磁コイルの小型化や着磁特性の高効率化及び着磁
時に発生する電磁力の低減を図ることができる超電導磁
気浮上式鉄道車両に搭載する高温超電導バルクマグネッ
トの着磁方法を提供することを目的とする。The present invention eliminates the above-mentioned problems, removes the high-temperature superconducting bulk magnet from the bogie of the floating railway vehicle, and places the removed high-temperature superconducting bulk magnet between the exciting coils arranged opposite to each other. The high-temperature superconducting bulk magnet mounted on a superconducting magnetic levitation railway vehicle can reduce the size of the excitation coil, increase the efficiency of the magnetization characteristics, and reduce the electromagnetic force generated during magnetization by magnetizing. It is intended to provide a magnetic method.
【０００６】[0006]
【課題を解決するための手段】本発明は、上記目的を達
成するために、〔１〕超電導磁気浮上式鉄道車両に搭載
する高温超電導バルクマグネットの着磁方法において、
超電導磁気浮上式鉄道車両に搭載する高温超電導バルク
マグネットを該車両の台車から取り外し、対向して配置
された一対の励磁コイル間に前記台車から取り外された
高温超電導バルクマグネットを装着し、前記励磁コイル
に励磁電流を通電することにより前記高温超電導バルク
マグネットに磁界を印加して着磁するようにしたもので
ある。To achieve the above object, the present invention provides a method for (1) a method of magnetizing a high-temperature superconducting bulk magnet mounted on a superconducting magnetically levitated railway vehicle, comprising:
A high-temperature superconducting bulk magnet mounted on a superconducting magnetic levitation type railway vehicle is removed from a bogie of the vehicle, and the high-temperature superconducting bulk magnet detached from the bogie is mounted between a pair of exciting coils arranged to face each other. The magnet is magnetized by applying a magnetic field to the high-temperature superconducting bulk magnet by passing an exciting current through the magnet.
【０００７】〔２〕上記〔１〕記載の超電導磁気浮上式
鉄道車両に搭載する高温超電導バルクマグネットの着磁
方法において、前記高温超電導バルクマグネットは複数
の磁極を有し、その複数の磁極に対応して個別の前記励
磁コイルを配置するようにしたものである。[2] In the method for magnetizing a high-temperature superconducting bulk magnet mounted on a superconducting magnetic levitation type railway vehicle according to the above [1], the high-temperature superconducting bulk magnet has a plurality of magnetic poles and corresponds to the plurality of magnetic poles. Then, the individual exciting coils are arranged.
【０００８】[0008]
【発明の実施の形態】以下、本発明の実施の形態につい
て図面を参照しながら説明する。Embodiments of the present invention will be described below with reference to the drawings.
【０００９】図１は本発明の実施例を示す高温超電導バ
ルクマグネットを浮上式鉄道車両の台車から外す状態を
示す概略図、図２はその外された高温超電導バルクマグ
ネットを着磁装置に装着した状態を示す正面図、図３は
図２のＡ−Ａ′線断面図である。FIG. 1 is a schematic view showing a state in which a high-temperature superconducting bulk magnet according to an embodiment of the present invention is detached from a bogie of a floating railway vehicle. FIG. 2 is a diagram showing the detached high-temperature superconducting bulk magnet mounted on a magnetizing device. FIG. 3 is a sectional view taken along line AA 'of FIG.
【００１０】図１に示すように、浮上式鉄道車両１の台
車２に配置されている高温超電導バルクマグネット３を
着磁する場合には、台車２から一旦取り外す。なお、高
温超電導バルクマグネット３は台車２から取り外し易
く、かつ堅牢な固定ができように工夫する。例えば、ネ
ジ固定方式からバネ式の締着方式等を採用することがで
きる。なお、図２及び図３において、４はＮ極またはＳ
極に着磁される高温超電導バルクマグネット３を並べて
収めた容器（外槽）である。As shown in FIG. 1, when the high-temperature superconducting bulk magnet 3 disposed on the bogie 2 of the floating railway vehicle 1 is magnetized, it is temporarily removed from the bogie 2. The high-temperature superconducting bulk magnet 3 is designed so that it can be easily removed from the carriage 2 and can be firmly fixed. For example, it is possible to adopt a spring-type fastening method from a screw fixing method. 2 and 3, reference numeral 4 denotes an N pole or an S pole.
This is a container (outer tank) in which high-temperature superconducting bulk magnets 3 magnetized on the poles are arranged and stored.
【００１１】次に、台車２から取り外された高温超電導
バルクマグネット３は、図２及び図３に示すように、対
向して配置される一対の励磁コイル１１間に装着され
る。Next, the high-temperature superconducting bulk magnet 3 removed from the carriage 2 is mounted between a pair of exciting coils 11 arranged opposite to each other as shown in FIGS.
【００１２】そこで、図３に示すように、その一対の励
磁コイル１１に励磁電流を流すことにより、磁界１２が
生じて、高温超電導バルクマグネット３に対して、より
均一な磁界１２をかけることができ、高温超電導バルク
マグネット３に対して、均一で、しかも高効率な着磁を
行うことができ、左右方向の大きな不均一な電磁力の発
生も防ぐことができる。Therefore, as shown in FIG. 3, by supplying an exciting current to the pair of exciting coils 11, a magnetic field 12 is generated, and a more uniform magnetic field 12 is applied to the high-temperature superconducting bulk magnet 3. , And uniform and highly efficient magnetization can be performed on the high-temperature superconducting bulk magnet 3, and generation of a large non-uniform electromagnetic force in the left-right direction can be prevented.
【００１３】なお、上記実施例では、１つの極に複数の
高温超電導バルク体が並べられた高温超電導バルクマグ
ネット３を着磁するために、励磁コイル１１の配置とし
ては、高温超電導バルクマグネットの１つの極に並べら
れた複数の高温超電導バルク体全体を囲むように１つの
励磁コイルを配置する「集中励磁コイル配置」について
説明したが、これに限定するものではなく、並べられた
複数の高温超電導バルク体全てに励磁コイルを配置する
「個別励磁コイル配置」としてもよい。また、冷却、励
磁方法としては、フィールド・クール（磁界中冷却）、
ゼロフィールド・クール（ゼロ磁界冷却）およびパルス
励磁等が考えられる。In the above embodiment, in order to magnetize the high-temperature superconducting bulk magnet 3 in which a plurality of high-temperature superconducting bulk bodies are arranged on one pole, the excitation coil 11 is arranged as one of the high-temperature superconducting bulk magnets. Although the description has been made of the “centralized excitation coil arrangement” in which one excitation coil is arranged so as to surround the entire plurality of high-temperature superconducting bulk materials arranged in one pole, the present invention is not limited to this. An “individual excitation coil arrangement” in which excitation coils are arranged in all the bulk bodies may be adopted. In addition, cooling and excitation methods include field cooling (cooling in a magnetic field),
Zero field cool (zero magnetic field cooling), pulse excitation, and the like are conceivable.
【００１４】なお、本発明における励磁用磁界について
見ると、仮に、従来の浮上式鉄道用超電導磁石もとに考
えると、超電導コイルは、巻線を上下方向に延ばして寸
法を１．３ｍ×０．８ｍ程度の矩形にし、巻線断面を１
０倍にすることで、起磁力を１０倍の７０００ｋＡとす
れば、０．２ｍ程度の間隔で対向させて超電導磁石間の
７．０〜７．８Ｔ程度の磁界を印加できるようになる。As for the exciting magnetic field according to the present invention, assuming that a conventional floating superconducting magnet is used, the superconducting coil has a dimension of 1.3 m × 0 by extending the winding in the vertical direction. 0.8m and the winding cross section is 1
If the magnetomotive force is set to 0 times and the magnetomotive force is increased to 7000 kA, which is 10 times, a magnetic field of about 7.0 to 7.8 T can be applied between the superconducting magnets at an interval of about 0.2 m.
【００１５】また、本発明は上記実施例に限定されるも
のではなく、本発明の趣旨に基づいて種々の変形が可能
であり、これらを本発明の範囲から排除するものではな
い。The present invention is not limited to the above-described embodiment, and various modifications are possible based on the spirit of the present invention, and these are not excluded from the scope of the present invention.
【００１６】[0016]
【発明の効果】以上、詳細に説明したように、本発明に
よれば、以下のような効果を奏することができる。As described above, according to the present invention, the following effects can be obtained.
【００１７】高温超電導バルクマグネットを浮上式鉄道
車両の台車から外し、対向した励磁コイルの間に置いて
着磁することにより、片側のみ励磁コイルを配置する場
合と比べて小さな励磁コイルでの着磁が可能になり、高
温超電導バルクマグネットに印加される磁界が一様な分
布に近づくため高温超電導バルクマグネットを高効率的
に着磁できる。また、高温超電導バルクマグネットと励
磁コイル間に発生する大きな電磁力も対称性が出て、打
ち消されるためその高温超電導バルクマグネットの支持
が楽になる。By removing the high-temperature superconducting bulk magnet from the bogie of the floating railway vehicle and placing it between the facing exciting coils and magnetizing it, the magnetizing with a smaller exciting coil is compared with the case where only one side of the exciting coil is arranged. And the magnetic field applied to the HTS bulk magnet approaches a uniform distribution, so that the HTS bulk magnet can be magnetized with high efficiency. In addition, the large electromagnetic force generated between the high-temperature superconducting bulk magnet and the exciting coil also exhibits symmetry and is canceled out, so that the support of the high-temperature superconducting bulk magnet becomes easy.
【図１】本発明の実施例を示す高温超電導バルクマグネ
ットを浮上式鉄道車両の台車から外す状態を示す概略図
である。FIG. 1 is a schematic view showing a state in which a high-temperature superconducting bulk magnet according to an embodiment of the present invention is removed from a bogie of a floating railway vehicle.
【図２】本発明の実施例を示す高温超電導バルクマグネ
ットを着磁装置に装着した状態を示す正面図である。FIG. 2 is a front view showing a state where the high-temperature superconducting bulk magnet according to the embodiment of the present invention is mounted on a magnetizing device.
【図３】図２のＡ−Ａ′線断面図である。FIG. 3 is a sectional view taken along line AA ′ of FIG. 2;
１ 浮上式鉄道車両 ２ 台車 ３ 高温超電導バルクマグネット ４ 高温超電導バルクマグネットを並べて収めた容器
（外槽） １１ 励磁コイルDESCRIPTION OF SYMBOLS 1 Floating type railway vehicle 2 bogie 3 High temperature superconducting bulk magnet 4 Container (outer tank) in which high temperature superconducting bulk magnet was arranged and arranged 11 Excitation coil
Claims (2)
温超電導バルクマグネットの着磁方法において、（ａ）
超電導磁気浮上式鉄道車両に搭載する高温超電導バルク
マグネットを該車両の台車から取り外し、（ｂ）対向し
て配置された一対の励磁コイル間に前記台車から取り外
された高温超電導バルクマグネットを装着し、（ｃ）前
記励磁コイルに励磁電流を通電することにより前記高温
超電導バルクマグネットに磁界を印加して着磁すること
を特徴とする超電導磁気浮上式鉄道車両に搭載する高温
超電導バルクマグネットの着磁方法。1. A method for magnetizing a high-temperature superconducting bulk magnet mounted on a superconducting magnetic levitation type railway vehicle, comprising: (a)
A high-temperature superconducting bulk magnet mounted on a superconducting magnetic levitation type railway vehicle is removed from a bogie of the vehicle, and (b) the high-temperature superconducting bulk magnet removed from the bogie is mounted between a pair of exciting coils arranged to face each other, (C) A method of magnetizing a high-temperature superconducting bulk magnet mounted on a superconducting magnetic levitation railway vehicle, wherein a magnetizing current is applied to the high-temperature superconducting bulk magnet by applying an exciting current to the magnetizing coil to magnetize the magnet. .
両に搭載する高温超電導バルクマグネットの着磁方法に
おいて、前記高温超電導バルクマグネットは複数の磁極
を有し、該複数の磁極に対応して個別の前記励磁コイル
を配置することを特徴とする超電導磁気浮上式鉄道車両
に搭載する高温超電導バルクマグネットの着磁方法。2. The method for magnetizing a high-temperature superconducting bulk magnet mounted on a superconducting magnetically levitated railway vehicle according to claim 1, wherein the high-temperature superconducting bulk magnet has a plurality of magnetic poles, and the plurality of magnetic poles correspond to the plurality of magnetic poles. A method for magnetizing a high-temperature superconducting bulk magnet mounted on a superconducting magnetic levitation railway vehicle, wherein the individual exciting coils are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21153099A JP2001044032A (en) | 1999-07-27 | 1999-07-27 | Magnetizing method for high-temperature- superconducting bulk magnet mounted on superconducting magnet-levitation railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21153099A JP2001044032A (en) | 1999-07-27 | 1999-07-27 | Magnetizing method for high-temperature- superconducting bulk magnet mounted on superconducting magnet-levitation railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001044032A true JP2001044032A (en) | 2001-02-16 |
Family
ID=16607414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21153099A Pending JP2001044032A (en) | 1999-07-27 | 1999-07-27 | Magnetizing method for high-temperature- superconducting bulk magnet mounted on superconducting magnet-levitation railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001044032A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006228500A (en) * | 2005-02-16 | 2006-08-31 | Institute Of Physical & Chemical Research | Method and device of generating magnetic field |
| CN109841372A (en) * | 2019-03-06 | 2019-06-04 | 上海交通大学 | A kind of high-temperature superconductor stacking band excitation unit |
-
1999
- 1999-07-27 JP JP21153099A patent/JP2001044032A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006228500A (en) * | 2005-02-16 | 2006-08-31 | Institute Of Physical & Chemical Research | Method and device of generating magnetic field |
| JP4613289B2 (en) * | 2005-02-16 | 2011-01-12 | 独立行政法人理化学研究所 | Magnetic field generation method and magnetic field generation apparatus |
| CN109841372A (en) * | 2019-03-06 | 2019-06-04 | 上海交通大学 | A kind of high-temperature superconductor stacking band excitation unit |
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