JPH0456549B2 - - Google Patents
Info
- Publication number
- JPH0456549B2 JPH0456549B2 JP60247362A JP24736285A JPH0456549B2 JP H0456549 B2 JPH0456549 B2 JP H0456549B2 JP 60247362 A JP60247362 A JP 60247362A JP 24736285 A JP24736285 A JP 24736285A JP H0456549 B2 JPH0456549 B2 JP H0456549B2
- Authority
- JP
- Japan
- Prior art keywords
- field coil
- superconducting
- superconducting field
- coil
- slot
- 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.)
- Expired - Lifetime
Links
- 210000000078 claw Anatomy 0.000 claims description 18
- 229910052734 helium Inorganic materials 0.000 description 11
- 239000001307 helium Substances 0.000 description 11
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 11
- 238000004804 winding Methods 0.000 description 6
- 239000002887 superconductor Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
Landscapes
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Superconductive Dynamoelectric Machines (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は超電導回転電機に関し、特に超電導
界磁コイルの保持方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a superconducting rotating electric machine, and particularly to a method for holding a superconducting field coil.
第５図は例えば特開57−166838号公報に示され
た従来の超電導回転電機の構造を示す断面図であ
る。第５図において、１はトクルチユーブ、２は
トルクチユーブ１の中央部を形成するコイル取付
軸、３はコイル取付軸２に固定されている超電導
界磁コイル、４はトルクチユーブ１とコイル取付
軸２を囲繞する常温ダンパ、５はこの常温ダンパ
４とコイル取付軸２の間に配設されている低温ダ
ンパ、６及び７はコイル取付軸２の夫々外周部及
び側面部に取り付けられたヘリウム外筒、ヘリウ
ム端板、８及び９は夫々駆動側、反駆動側端部
軸、１０はこれらの端部軸８，９を軸支する軸
受、１１は界磁電流供給用のスリツプリング、１
２はトルクチユーブ１に形成或いは配置されてい
る熱交換器、１３は側部輻射シールド、１４は真
空部、１５は液体ヘリウムの液溜め部である。
FIG. 5 is a sectional view showing the structure of a conventional superconducting rotating electrical machine disclosed in, for example, Japanese Patent Laid-Open No. 57-166838. In FIG. 5, 1 is a torque tube, 2 is a coil mounting shaft forming the center of the torque tube 1, 3 is a superconducting field coil fixed to the coil mounting shaft 2, and 4 is a torque tube 1 and a coil mounting shaft 2. 5 is a low-temperature damper disposed between the room-temperature damper 4 and the coil attachment shaft 2; 6 and 7 are helium cylinders attached to the outer periphery and side surface of the coil attachment shaft 2, respectively. , helium end plates, 8 and 9 are drive side and non-drive side end shafts, 10 is a bearing for pivotally supporting these end shafts 8 and 9, 11 is a slip ring for supplying field current, 1
2 is a heat exchanger formed or arranged in the torque tube 1, 13 is a side radiation shield, 14 is a vacuum section, and 15 is a liquid helium reservoir.
上記構成からなる超電導回電機の回転子におい
ては、コイル取付軸２に配設されている超電導界
磁コイル３を極低温に冷却することにより、電気
抵抗を零の状態とし、励磁損失をなくすことによ
り、この超電導界磁コイル３に強力な磁界を発生
させ、固定子（図示せず）に交流電子を発生させ
る。この超電導界磁コイル３を極低温に冷却、保
持するために液体ヘリウムを反駆動端部軸９の中
央部から導入管（図示せず）を通じ、ヘリウム外
筒６、ヘリウム端板７により形成される液体ヘリ
ウム容器部に供給する一方、回転子内部を真空部
１４により高真空に保つと共に、極低温の超電導
界磁コイル３及びコイル取付軸２に回転トルクを
伝えるトルクチユーブ１を薄肉円筒とし、且つ熱
交換器１２を設け、このトルクチユーブ１を通じ
極低温部に侵入する熱を極力減らす構造が最も一
般的である。さらに、側面からの輻射により侵入
する熱を低減するため、側部輻射シールド１３が
設けられている。 In the rotor of the superconducting rotating machine having the above configuration, the superconducting field coil 3 disposed on the coil mounting shaft 2 is cooled to an extremely low temperature to bring the electrical resistance to zero and eliminate excitation loss. As a result, a strong magnetic field is generated in the superconducting field coil 3, and alternating current electrons are generated in the stator (not shown). In order to cool and maintain this superconducting field coil 3 at an extremely low temperature, liquid helium is introduced from the center of the non-drive end shaft 9 through an introduction pipe (not shown) formed by a helium outer cylinder 6 and a helium end plate 7. The torque tube 1 is made of a thin-walled cylinder, which supplies the liquid helium to the liquid helium container part, maintains the inside of the rotor at a high vacuum by the vacuum part 14, and transmits rotational torque to the ultra-low temperature superconducting field coil 3 and the coil mounting shaft 2, The most common structure is that a heat exchanger 12 is provided to reduce as much as possible the heat that enters the cryogenic part through the torque tube 1. Further, side radiation shields 13 are provided to reduce heat entering due to radiation from the sides.
一方、常温ダバン４及び低温ダンパ５は、固定
子からの高調波磁界をシールドし、超電導界磁コ
イル３を保護すると共に、電力系統のじよう乱に
よる回転子振動を減衰させる機能を有する一方、
常温ダンパ４は真空外筒として機能、低温ダンパ
はヘリウム容器部への輻射シールドとしての機能
を兼ねる方式が一般的である。なお第５図におい
ては、回転子内部のヘリウム導入、排出系を構成
する配管類及び回転子に接続されているヘリウム
導入、排出装置は省略した。 On the other hand, the room-temperature daban 4 and the low-temperature damper 5 have the function of shielding harmonic magnetic fields from the stator, protecting the superconducting field coil 3, and attenuating rotor vibrations caused by disturbances in the power system.
Generally, the normal temperature damper 4 functions as a vacuum outer cylinder, and the low temperature damper also functions as a radiation shield for the helium container. In FIG. 5, piping constituting a helium introduction and discharge system inside the rotor and a helium introduction and discharge device connected to the rotor are omitted.
次に、コイル取付軸表面の溝に超電導界磁コイ
ルが巻回された構造について、更に詳細に説明す
る。第６図は第５図における線−に沿う断面
図で、２はコイル取付軸、１６はコイル取付軸２
の表面に軸方向に設けられたスロツト、３はスロ
ツト１６内に収められた超電導界磁コイル、１７
はスロツト内絶縁物、１８は超電導界磁コイル３
をスロツト１６内に保持するくさび、１９は上部
ツメモノである。第７図は溝内の構成の詳細を示
すものである。第７図において、２０は枚のサイ
ドツメモノで、例えばガラスエポキシ積層板等で
ある。サイドツメモノ２０を２枚挿入しているの
は界磁コイル３の破損防止と作業性の問題から
で、、界磁コイル３側の絶縁板２０１枚があらか
じめ挿入されており、その後、スロツト内絶縁物
１７側のサイドツメモノ２０１枚が打ち込まれ
る。通常２枚のサイドツメモノ２０はくさび状に
形成され打ち込みにより超電導界磁コイル３に圧
縮力を与えるようにする。 Next, the structure in which the superconducting field coil is wound in the groove on the surface of the coil mounting shaft will be described in more detail. Fig. 6 is a sectional view taken along the line - in Fig. 5, where 2 is the coil mounting shaft and 16 is the coil mounting shaft 2.
3 is a superconducting field coil housed in the slot 16; 17 is a slot provided in the axial direction on the surface of the
18 is the insulator in the slot, and 18 is the superconducting field coil 3.
19 is the upper tab. FIG. 7 shows details of the structure inside the groove. In FIG. 7, reference numeral 20 denotes a side clamp, which is made of, for example, a glass epoxy laminate. The reason why two side claw notes 20 are inserted is to prevent damage to the field coil 3 and to improve workability.The insulating plate 201 on the field coil 3 side is inserted in advance, and then the insulating plate in the slot is inserted. 201 side thumb notes on the object 17 side are driven in. Usually, the two side claw notes 20 are formed into a wedge shape and are driven in so as to apply a compressive force to the superconducting field coil 3.
次にこのように構成されたスロツト１６内の超
電導界磁コイル３の円周方向の変形に対する保持
について説明する。 Next, how to hold the superconducting field coil 3 in the slot 16 configured as described above against deformation in the circumferential direction will be explained.
第６図に於いて、超電導界磁コイル３は線Ａ−
Ａを取り巻くように巻回しており、従つて線Ａ−
Ａを極中心として強力な磁界を発生する。ところ
で超電導界磁コイル３には回転による遠心力の外
に強力な電磁力が働らく。もし、界磁コイル３が
堅固に固定されていなく電磁力により移動する
と、その摩擦熱により界磁コイル３の温度が高く
なり超電導破壊を起こす危険性が高くなる。超電
導破壊を起こすと、回転電機の運転る停止するこ
とになり、界磁コイルの固定は極めて大きな問題
である。従来の保持方式では界磁コイル３とスロ
ツク内絶縁物１７の間に少なくとも２枚の絶縁板
を強固に挿入することにより、電磁力による移動
を防止している。 In FIG. 6, the superconducting field coil 3 is connected to the line A-
It is wound around A, so the wire A-
A strong magnetic field is generated with A as the pole center. By the way, a strong electromagnetic force acts on the superconducting field coil 3 in addition to the centrifugal force due to rotation. If the field coil 3 is not firmly fixed and moves due to electromagnetic force, the temperature of the field coil 3 will increase due to the frictional heat, increasing the risk of superconductor breakdown. If superconductor destruction occurs, the rotating electric machine will stop operating, and fixing the field coil is an extremely serious problem. In the conventional holding system, at least two insulating plates are firmly inserted between the field coil 3 and the slot insulator 17 to prevent movement due to electromagnetic force.
従来の保持方式は以上のように構成されている
ので、巻回後の超電導界磁コイル３の各段間での
厚さの不ぞろいがあつた場合、一部の段の超電導
界磁コイル３は円周方向に堅固に保持されるが、
一部の超電導界磁コイル３は堅固に保持できず、
従つて電磁力で超電導界磁コイル３が移動し、超
電導破壊を生じる可能性を有する問題があつた。
Since the conventional holding system is configured as described above, if there is uneven thickness between the stages of the superconducting field coil 3 after winding, the superconducting field coil 3 of some stages will It is held firmly in the circumferential direction, but
Some superconducting field coils 3 cannot be held firmly,
Therefore, there is a problem in that the superconducting field coil 3 moves due to electromagnetic force, which may cause the superconductor to break down.
この発明は上記のような問題点を解消するため
になされたものであり、超電導界磁コイルの円周
方向に対する保持を堅固にすることにより、電磁
力による超電導界磁コイルの移動を防ぎ、摩擦熱
による温度上昇にもとづく超電導破壊の発生を防
止することを目的とする。 This invention was made to solve the above problems, and by firmly holding the superconducting field coil in the circumferential direction, it prevents the superconducting field coil from moving due to electromagnetic force, and reduces friction. The purpose is to prevent superconductor breakdown from occurring due to temperature rise due to heat.
この発明に係る超電導回転電機の回転子は、超
電導界磁コイルとスロツト内絶縁物の間のサイド
ツメモノを超電導界磁コイルの各段毎に分割して
設置したものである。
In the rotor of a superconducting rotating electric machine according to the present invention, side clamps between the superconducting field coil and the insulator in the slot are divided and installed for each stage of the superconducting field coil.
この発明における超電導回転電機の回転子で
は、超電導界磁コイルの各段毎の巻回時にサイド
ツメモノを強固に挿入することにより、超電導界
磁コイルの円周方向の保持がなされる。
In the rotor of the superconducting rotating electrical machine according to the present invention, the circumferential direction of the superconducting field coil is held by firmly inserting side claws when winding each stage of the superconducting field coil.
以下、この発明の一実施例を図について説明す
る。第１図において、２，３，１７〜１９は上述
した従来装置の構成と同様である。２０は超電導
界磁コイル３の段毎に設置されるサイドツメモノ
である。超電導界磁コイル３は専用の巻線機（図
示せず）で第２図の如く巻回される。３１は超電
導界磁コイルの段である。
An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, numerals 2, 3, 17 to 19 have the same structure as the conventional device described above. Reference numeral 20 denotes a side claw note installed at each stage of the superconducting field coil 3. The superconducting field coil 3 is wound as shown in FIG. 2 using a dedicated winding machine (not shown). 31 is a stage of superconducting field coils.
次に超電導界磁コイル３の組立について、第３
図により説明する。専用の巻線機で巻回された超
電導界磁コイル３は、片側の辺をコイル取付軸２
の表面に加工されたスロツト１６ａ内に納め、各
段毎に他の辺を相対するスロツト１６ｂ内へ配設
る。超電導界磁コイル３の各段毎のスロツト内設
置後、夫々にサイドツメモノ２０を挿入する。 Next, regarding the assembly of the superconducting field coil 3, the third
This will be explained using figures. The superconducting field coil 3 wound with a special winding machine has one side attached to the coil mounting shaft 2.
It is placed in a slot 16a machined on the surface of the board, and the other side of each stage is placed in the opposing slot 16b. After installing the superconducting field coils 3 in the slots of each stage, the side claw notes 20 are inserted into each stage.
サイドツメモノ２０は超電導界磁コイル３の各
段毎に分割しているため、その挿入に要する力は
大きくなく、超電導界磁コイル３を破損する可能
性はない。従つて、サイドツメモノ２０は必ずし
も２枚重ねにする必要はない。 Since the side claw notes 20 are divided for each stage of the superconducting field coil 3, the force required to insert them is not large and there is no possibility of damaging the superconducting field coil 3. Therefore, the side claw notes 20 do not necessarily need to be stacked in two layers.
サイドツメモノ２０による超電導界磁コイル３
の短絡をさせるため、サイドツメモノ２０の材質
には絶縁材を用いることが望ましい。 Superconducting field coil 3 with side claw note 20
In order to short-circuit, it is desirable to use an insulating material as the material of the side claw note 20.
また、第４図はサイドツメモノ２０をスロツト
の長手方向に対し分割した構成に示す。長手方向
に分割することにより、サイドツメモノ２０の挿
入の作業が容易になり、サイドツメモノ２０の挿
入がより強固になる。 Further, FIG. 4 shows a configuration in which the side claw note 20 is divided in the longitudinal direction of the slot. By dividing in the longitudinal direction, the work of inserting the side claw note 20 becomes easier and the insertion of the side claw note 20 becomes stronger.
以上のように、この発明によればサイドツメモ
ノを超電導界磁コイルの各段毎に分割し、超電導
界磁コイルを各段毎にサイドツメモノで円周方向
に保持するように構成したので、超電導界磁コイ
ルの各段間の厚さの不ぞろいの影響をうけること
なく、超電導界磁コイルの円周方向に対する堅固
な保持が可能となり、電磁力による超電導界磁コ
イルの移動を防止でき、摩擦熱による温度上昇に
もとずく超電導破壊を防止できる効果がある。
As described above, according to the present invention, the side claw notes are divided into each stage of the superconducting field coil, and the superconducting field coil is held in the circumferential direction by the side claw notes in each stage. It is possible to firmly hold the superconducting field coil in the circumferential direction without being affected by uneven thickness between each stage of the field coil, preventing movement of the superconducting field coil due to electromagnetic force, and reducing frictional heat. This has the effect of preventing superconductor breakdown due to temperature rise.
第１図はこの発明の一実施例による超電導回転
電機の回転子のスロツト内断面図、第２図は巻回
後の超電導界磁コイルを示す斜視図、第３図はこ
の発明に係る超電導界磁コイルのスロツト内への
配設状況を示す図、第４図はこの発明に係るサイ
ドツメモノの他の実施例を示す斜視図、第５図は
一般的な超電導回転電機の回転子の全体概念を示
す断面図、第６図は第５図−線における超電
導界磁コイルの巻線後の状態を示す斜視図、第７
図は従来の超電導回転電機の回転子のスロツト内
断面図である。
図において、２はコイル取付軸、３は超電導界
磁コイル、３１は超電導界磁コイルの段、１６は
スロツト、２０はサイドツメモノである。尚、図
中同一符号は同一、又は相当部分を示す。
FIG. 1 is a sectional view of the inside of a slot of a rotor of a superconducting rotating electrical machine according to an embodiment of the present invention, FIG. 2 is a perspective view showing a superconducting field coil after winding, and FIG. 3 is a superconducting field coil according to an embodiment of the present invention. FIG. 4 is a perspective view showing another embodiment of the side claw note according to the present invention, and FIG. 5 is an overall concept of a rotor of a general superconducting rotating electric machine. FIG. 6 is a perspective view showing the state of the superconducting field coil after winding along the line shown in FIG.
The figure is a sectional view of the inside of a slot of a rotor of a conventional superconducting rotating electric machine. In the figure, 2 is a coil mounting shaft, 3 is a superconducting field coil, 31 is a stage of the superconducting field coil, 16 is a slot, and 20 is a side claw note. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
と、このコイル取付軸のスロツト中に収納される
超電導界磁コイルと、上記超電導界磁コイルの円
周方向の変形を防止するサイドツメモノを有する
回転子において、上記サイドツメモノを上記超電
導界磁コイルの各段毎に分割したことを特徴とす
る超電導回転電機の回転子。 ２ サイドツメモノは絶縁板で構成されたことを
特徴とする特許請求範囲第１項記載の超電導回転
電機の回転子。 ３ サイドツメモノはスロツトの長手方向に対し
複数個に分割したことを特徴とする特許請求範囲
第１項又は第２項記載の超電導回転電機の回転
子。[Claims] 1. A coil mounting shaft having a slot formed on the shaft surface, a superconducting field coil housed in the slot of the coil mounting shaft, and preventing deformation of the superconducting field coil in the circumferential direction. 1. A rotor for a superconducting rotating electrical machine, characterized in that the side knobs are divided for each stage of the superconducting field coil. 2. A rotor for a superconducting rotating electric machine according to claim 1, wherein the side claws are formed of an insulating plate. 3. A rotor for a superconducting rotating electric machine according to claim 1 or 2, wherein the side claw is divided into a plurality of pieces in the longitudinal direction of the slot.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60247362A JPS62107671A (en) | 1985-11-05 | 1985-11-05 | Rotor for superconducting rotary electric machine |
| DE19863636296 DE3636296A1 (en) | 1985-11-05 | 1986-10-24 | ROTOR FOR A SUPRAL-CONDUCTING ROTATING ELECTRICAL MACHINE |
| FR868615350A FR2589643B1 (en) | 1985-11-05 | 1986-11-04 | ROTOR FOR A SUPERCONDUCTIVE ROTARY ELECTRIC MACHINE |
| US07/094,089 US4774429A (en) | 1985-11-05 | 1987-09-04 | Rotor for a superconducting rotating electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60247362A JPS62107671A (en) | 1985-11-05 | 1985-11-05 | Rotor for superconducting rotary electric machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62107671A JPS62107671A (en) | 1987-05-19 |
| JPH0456549B2 true JPH0456549B2 (en) | 1992-09-08 |
Family
ID=17162291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60247362A Granted JPS62107671A (en) | 1985-11-05 | 1985-11-05 | Rotor for superconducting rotary electric machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62107671A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108718120B (en) * | 2018-08-28 | 2024-04-30 | 中山大洋电机股份有限公司 | Motor stator assembly and motor using same |
-
1985
- 1985-11-05 JP JP60247362A patent/JPS62107671A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62107671A (en) | 1987-05-19 |
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