JPH0750980B2 - Method for manufacturing rotor of superconducting rotating electric machine - Google Patents
Method for manufacturing rotor of superconducting rotating electric machineInfo
- Publication number
- JPH0750980B2 JPH0750980B2 JP63320424A JP32042488A JPH0750980B2 JP H0750980 B2 JPH0750980 B2 JP H0750980B2 JP 63320424 A JP63320424 A JP 63320424A JP 32042488 A JP32042488 A JP 32042488A JP H0750980 B2 JPH0750980 B2 JP H0750980B2
- Authority
- JP
- Japan
- Prior art keywords
- superconducting
- mounting shaft
- coil
- 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 - Fee Related
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 238000000034 method Methods 0.000 title description 4
- 239000011810 insulating material Substances 0.000 claims description 27
- 230000002093 peripheral effect Effects 0.000 claims description 19
- 238000004804 winding Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 description 29
- 229910052734 helium Inorganic materials 0.000 description 18
- 239000001307 helium Substances 0.000 description 18
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 18
- 239000007788 liquid Substances 0.000 description 7
- 238000009413 insulation Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000003507 refrigerant Substances 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
- Superconductive Dynamoelectric Machines (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Manufacture Of Motors, Generators (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、超電導界磁コイルをコイル取付軸に保持す
る構造を有する超電導回転電機の回転子の製造方法に関
するものである。Description: TECHNICAL FIELD The present invention relates to a method for manufacturing a rotor of a superconducting rotating electric machine having a structure for holding a superconducting field coil on a coil mounting shaft.
従来、この種の一般的な回転子として例えば特開昭61−
18846号公報に開示された第４図に示すものがあった。
第４図において、（１）はトルクチユーブ、（２）はト
ルクチューブ（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）はトルクチューブ（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）のそ
れぞれ外周部及び側面部に取り付けられたヘリウム外筒
及びヘリウム端板、（８）及び（９）はそれぞれ駆動側
端部軸、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
用のスリップリング、（12）はトルクチューブ（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）は真空部である。Conventionally, as a general rotor of this type, for example, Japanese Patent Laid-Open No. 61-
There is one shown in FIG. 4 disclosed in Japanese Patent No. 18846.
In FIG. 4, (1) is the torque tube, (2) is the coil mounting shaft forming the central portion of the torque tube (1),
(3) is a superconducting field coil fixed to the coil mounting shaft (2), (4) is a room temperature damper surrounding the torque tube (1) and the coil mounting shaft (2), and (5) is this room temperature damper ( 4) and the low temperature damper disposed between the coil mounting shaft (2), (6) and (7) are a helium outer cylinder and a helium attached to the outer peripheral portion and the side surface portion of the coil mounting shaft (2), respectively. End plates, (8) and (9) are drive-side end shafts, counter-drive-side end shafts, respectively (10) is a bearing that supports these end shafts (8) and (9), (11) Is a slip ring for supplying a field current, (12) is a heat exchanger formed or arranged in the torque tube (1), (13) is a side radiation shield, and (14) is a vacuum part.
上記構成からなる超電導回転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）に交流電力を発生させる。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
反駆動側端部軸（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ューブ（１）を薄肉円筒
とし、且つ熱交換器（12）を設け、このトルクチューブ
（１）を通じ極低温部に侵入する熱を極力減らすように
なっている。また、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 electric machine having the above configuration,
By cooling the superconducting field coil (3) arranged on the coil mounting shaft (2) to a cryogenic temperature, the electric resistance is brought to a state of zero and the excitation loss is eliminated. ), A strong magnetic field is generated, and AC electric power is generated in a stator (not shown). In order to cool and maintain the superconducting field coil (3) at an extremely low temperature, liquid helium is introduced from the central portion of the end shaft (9) on the non-driving side (not shown).
Through the helium outer cylinder (6) and the helium end plate (7). On the other hand, the inside of the rotor is kept in a high vacuum by the vacuum part (14), and the cryogenic superconducting field coil (3) and the coil mounting shaft (2) are also maintained.
The torque tube (1) for transmitting the rotation torque is a thin-walled cylinder, and a heat exchanger (12) is provided so that heat entering the cryogenic portion through the torque tube (1) is reduced as much as possible. Further, a side radiation shield (13) is provided in order to reduce heat entering due to radiation from the side surface.
一方、常温ダンパ（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、電力系統のじょう乱による回
転子振動を減衰させる機能を有する一方、常温ダンパ
（４）は真空外筒としての機能、低温ダンパ（５）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。
尚、第４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、排出装置は省略している。On the other hand, the room temperature damper (4) and the low temperature damper (5) shield the harmonic magnetic field from the stator, protect the superconducting field coil (3), and attenuate the rotor vibration due to the disturbance of the power system. While having a function, the room temperature damper (4) also functions as a vacuum outer cylinder, and the low temperature damper (5) also functions as a radiation shield to the helium container part.
In FIG. 4, the helium introducing / exhausting device connected to the helium introducing / exhausting system inside the rotor and the rotor is omitted.
第５図は第４図のＶ−Ｖ線における断面図を示し、第５
図において、（15）は楔、（18）はコイル取付軸（２）
の表面に軸方向に形成されたスロット、（19）はスロッ
ト内絶縁スペーサ、（20）は上部絶縁スペーサである。
この構成において、超電導界磁コイル（３）は、Ａ−Ａ
線を取り巻くように巻回しており、従って、Ａ−Ａ線を
極中心として強力な界磁を発生する。楔（15）は超電導
界磁コイル（３）をスロット（18）内に堅固に保持する
ように打ち込まれている。FIG. 5 is a sectional view taken along line VV of FIG.
In the figure, (15) is a wedge, (18) is a coil mounting shaft (2)
Slots (19) are in-slot insulating spacers and (20) are upper insulating spacers formed in the axial direction on the surface of the.
In this configuration, the superconducting field coil (3) is AA
The wire is wound so as to surround the wire, so that a strong field is generated with the AA line as the pole center. The wedge (15) is driven so as to firmly hold the superconducting field coil (3) in the slot (18).
第６図はコイル取付軸端部を示す斜視図、第７図は第６
図のVII−VII線における断面図であり、第６図、第７図
において、（21）は下部絶縁スペーサ、（22）はコイル
取付軸（２）のスロット（18）とコイル取付軸（２）の
軸中心内部の液体ヘリウムの液溜め部（図示せず）とに
連通して設けられたヘリウム流通孔である。FIG. 6 is a perspective view showing the end of the coil mounting shaft, and FIG.
FIG. 7 is a cross-sectional view taken along the line VII-VII in FIG. 6 and FIG. 7, where (21) is the lower insulating spacer, (22) is the slot (18) of the coil mounting shaft (2) and the coil mounting shaft (2). ) Is a helium flow hole provided in communication with a liquid helium reservoir (not shown) inside the shaft center.
スロット（18）はコイル取付軸（２）の軸表面に軸方向
に沿った直線スロット、軸両端部で円周方向に沿ったア
ークスロット、その直線スロットとアークスロットとに
連設するコーナスロットにより構成されている。したが
って、楔（15）はそれらスロットに応じた形状とし、ス
ロット（18）内に超電導界磁コイル（３）を収納した
後、スロット（18）に楔（15）を挿着して超電導界磁コ
イル（３）を堅固に保持している。The slot (18) is composed of a linear slot along the axial direction on the surface of the coil mounting shaft (2), arc slots along the circumferential direction at both ends of the shaft, and corner slots connected to the linear slot and the arc slot. It is configured. Therefore, the wedge (15) has a shape corresponding to the slots, the superconducting field coil (3) is housed in the slot (18), and then the wedge (15) is inserted into the slot (18) to attach the superconducting field coil. Holds the coil (3) firmly.
このような回転子に使用される超電導界磁コイルとして
は例えば特開昭57−186960号公報に開示されたものがあ
り、その構成を第８図に示す。図において、（3a）は複
数の超電導素線を撚り線などにより形成された超電導線
であり、複数列、複数層巻回されている。（23）はこれ
ら超電導線（3a）の列間に挿入された列間絶縁、（24）
は超電導線（3a）の層間に挿入された層間絶縁である。
尚、超電導界磁コイル（３）は、超電導線（3a）を１本
持ちで、かつ超電導線（3a）列間には列間絶縁（23）
を、超電導線（3a）の層間には層間絶縁（24）をそれぞ
れ挿入しながら巻回し、巻回後はエポキシ樹脂で処理し
てモールド状に形成され、超電導線（3a）の短絡防止が
なされている。As a superconducting field coil used for such a rotor, for example, there is one disclosed in Japanese Patent Laid-Open No. 186960/1982, and its construction is shown in FIG. In the figure, (3a) is a superconducting wire formed by twisting a plurality of superconducting element wires and is wound in a plurality of rows and a plurality of layers. (23) is inter-row insulation inserted between the rows of these superconducting wires (3a), (24)
Is an interlayer insulation inserted between the layers of the superconducting wire (3a).
The superconducting field coil (3) has one superconducting wire (3a), and inter-row insulation (23) is provided between the superconducting wires (3a).
Are wound while inserting the interlayer insulation (24) between the layers of the superconducting wire (3a), and after winding, they are treated with epoxy resin to form a mold to prevent short circuit of the superconducting wire (3a). ing.
しかしながら上述した従来の超電導回転電機の回転子に
おいては、超電導界磁コイル（３）を堅固に保持する楔
（15）はスロット（18）の各形状に応じた形状とする必
要があり、特にコイル取付軸（２）の軸両端部に配置さ
れた楔（15）の形状は複雑な形状となりその製作加工並
びに打ち込み作業に多大の労力を要するという問題点が
あった。However, in the rotor of the conventional superconducting rotating electric machine described above, the wedge (15) that firmly holds the superconducting field coil (3) needs to have a shape corresponding to each shape of the slot (18). There has been a problem that the wedges (15) arranged at both ends of the mounting shaft (2) have a complicated shape, which requires a great deal of labor for manufacturing and driving the wedges.
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、多大の労力を要することなく超電導界
磁コイルを堅固に保持できる超電導回転電機の回転子の
製造方法を提供することを目的とする。The present invention has been made to solve the above problems, and provides a method of manufacturing a rotor of a superconducting rotating electric machine that can firmly hold a superconducting field coil without requiring a great deal of labor. With the goal.
この発明に係る超電導回転電機の回転子の製造方法は、
超電導界磁コイルをスロット内に装着し、その後前記超
電導界磁コイルの外周側に上部絶縁材をコイル取付軸の
外周面から突出した状態で配設し、次にその上部絶縁材
の表面を加工し、その後突出した前記上部絶縁材を円筒
体により前記超電導界磁コイルに面圧を与えて押し込ん
で、円筒体をコイル取付軸に嵌着したものである。A method for manufacturing a rotor of a superconducting rotary electric machine according to the present invention,
The superconducting field coil is installed in the slot, then the upper insulating material is arranged on the outer peripheral side of the superconducting field coil so as to project from the outer peripheral surface of the coil mounting shaft, and then the surface of the upper insulating material is processed. Then, the protruding upper insulating material is pressed by applying a surface pressure to the superconducting field coil with a cylindrical body, and the cylindrical body is fitted to the coil mounting shaft.
この発明における超電導回転電機の回転子の製造方法
は、超電導界磁コイルをスロット内に装着した後、超電
導界磁コイルの外周側に上部絶縁材をコイル取付軸の外
周面から突出した状態で配設し、その後コイル取付軸の
外周側に円筒体を嵌着させ、超電導界磁コイルは所定の
面圧を上部絶縁材から受けてコイル取付軸に固定され
る。A method of manufacturing a rotor of a superconducting rotary electric machine according to the present invention includes mounting a superconducting field coil in a slot and then arranging an upper insulating material on an outer peripheral side of the superconducting field coil in a state of protruding from an outer peripheral surface of a coil mounting shaft. After that, a cylindrical body is fitted on the outer peripheral side of the coil mounting shaft, and the superconducting field coil receives a predetermined surface pressure from the upper insulating material and is fixed to the coil mounting shaft.
以下、この発明の実施例を図について説明する。第１図
ないし第３図はこの発明の一実施例を示すもので、第４
図ないし第８図と同一または相当部分は同一符号を付
し、その説明は省略する。Embodiments of the present invention will be described below with reference to the drawings. 1 to 3 show an embodiment of the present invention.
The same or corresponding parts as those in FIGS. 8 to 8 are designated by the same reference numerals, and the description thereof will be omitted.
図において、（2a）はコイル取付軸（２）の外周部に形
成された冷媒である液体ヘリウムの冷却路、（25）はス
ロット（18）内に装着された超電導界磁コイルであり、
超電導線（25a）が複数列、複数層巻回されて形成され
ている。（26）は超電導界磁コイル（25）の超電導線
（25a）にスパイラル状に巻回され樹脂が含浸された半
硬化状からなり巻回後硬化される絶縁テープ、（27）は
この絶縁テープ（26）間の空隙に形成された冷却路、
（28）は超電導界磁コイル（25）とスロット（18）の底
面との間に装着された下部絶縁材であり、ヘリウム流通
孔（22）と連設する軸方向に延在する冷却路（28a）
と、この冷却路（28a）と連設する半径方向の冷却路（2
8b）と、この冷却路（28b）と連設する周方向の冷却路
（28c）が形成されており、冷却路（27）とヘリウム流
通孔（22）とはこれら冷却路（28a），（28b），（28
c）を介して連設されている。（29）は超電導界磁コイ
ル（25）の外周側に配設された上部絶縁材であり、コイ
ル取付軸（２）の冷却路（2a）と連設する周方向の冷却
路（29a）と、この冷却路（29a）と連設する半径方向の
冷却路（29b）と、この冷却路（29b）と連設する周方向
の冷却路（29c）が形成されており、冷却路（2a）と冷
却路（27）とはこれら冷却路（29a），（29b），（29
c）を介して連設されている。（30）は超電導界磁コイ
ル（25）とスロット（18）の壁面との間に装着されたス
ロット内絶縁材であり、冷却路（30a）が形成されてい
る。（31）はコイル取付軸（２）の外周側に例えば焼嵌
め等により嵌着され、スロット（18）内に装着された超
電導界磁コイル（25）を上部絶縁材（29）を介してスロ
ット（18）内に堅固に保持する円筒体である。In the figure, (2a) is a cooling passage of liquid helium that is a refrigerant formed on the outer peripheral portion of the coil mounting shaft (2), (25) is a superconducting field coil installed in the slot (18),
The superconducting wire (25a) is formed by winding a plurality of rows and a plurality of layers. (26) is an insulating tape made of a semi-hardened material that is spirally wound around the superconducting wire (25a) of the superconducting field coil (25) and is impregnated with resin, and is cured after winding. (27) is this insulating tape. A cooling passage formed in the space between (26),
Reference numeral (28) is a lower insulating material mounted between the superconducting field coil (25) and the bottom surface of the slot (18), and an axially extending cooling path (continuous with the helium flow hole (22) ( 28a)
And the radial cooling path (2a) connected to this cooling path (28a).
8b) and a circumferential cooling passage (28c) continuous with this cooling passage (28b) are formed, and the cooling passage (27) and the helium flow hole (22) are connected to these cooling passages (28a), ( 28b), (28
It is connected via c). Reference numeral (29) is an upper insulating material arranged on the outer peripheral side of the superconducting field coil (25), and is connected to the cooling passage (2a) of the coil mounting shaft (2) in a circumferential cooling passage (29a). A radial cooling path (29b) continuous with the cooling path (29a) and a circumferential cooling path (29c) continuous with the cooling path (29b) are formed, and the cooling path (2a) And the cooling path (27) are these cooling paths (29a), (29b), (29
It is connected via c). Reference numeral (30) is an in-slot insulating material mounted between the superconducting field coil (25) and the wall surface of the slot (18), and has a cooling passage (30a) formed therein. (31) is fitted on the outer peripheral side of the coil mounting shaft (2) by, for example, shrink fitting, and the superconducting field coil (25) mounted in the slot (18) is slotted through the upper insulating material (29). (18) It is a cylindrical body that holds it firmly.
また、（32）は上部絶縁材（29）の外側面を加工した後
でのコイル取付軸（２）の外周面からの突出量である。Further, (32) is the amount of protrusion from the outer peripheral surface of the coil mounting shaft (2) after processing the outer surface of the upper insulating material (29).
次に、動作について説明する。コイル取付軸（２）のス
ロット（18）の底面に下部絶縁材（28）、スロット（1
8）の両壁面にスロット内絶縁材（30）を装着する。次
いで、超電導線（25a）に樹脂が含浸された半硬化状の
絶縁テープ（26）をスパイラル状に巻回して超電導界磁
コイル（25）を形成してスロット（18）内に装着する。
そして、超電導界磁コイル（25）の外周側に上部絶縁材
（29）を配設する。Next, the operation will be described. On the bottom surface of the slot (18) of the coil mounting shaft (2), the lower insulating material (28) and the slot (1
Install the insulating material (30) in the slot on both walls of 8). Then, a semi-cured insulating tape (26) in which the superconducting wire (25a) is impregnated with resin is spirally wound to form a superconducting field coil (25), which is mounted in the slot (18).
Then, the upper insulating material (29) is arranged on the outer peripheral side of the superconducting field coil (25).
絶縁テープ（26）の樹脂の硬化はコイル取付軸（２）の
回転加熱により行なわれる。硬化後上部絶縁材（29）の
外側面を旋盤加工するが、この旋盤加工は上部絶縁材
（29）のみを加工するものであってコイル取付軸（２）
の外表面は削ることなく加工が完了するように上部絶縁
材（29）のコイル取付軸（２）からの突出量（32）を決
めておく。また、この突出量（32）は円筒体（31）を嵌
着した場合に超電導界磁コイル（25）の上面に所定の面
圧を与えるよう予め設定しておく。The resin of the insulating tape (26) is cured by rotating the coil mounting shaft (2) by heating. After hardening, the outer surface of the upper insulating material (29) is lathe-machined. This lathe processing is for machining only the upper insulating material (29) and the coil mounting shaft (2)
The protrusion amount (32) of the upper insulating material (29) from the coil mounting shaft (2) is determined so that the outer surface of the coil can be processed without being cut. The amount of protrusion (32) is set in advance so that a predetermined surface pressure is applied to the upper surface of the superconducting field coil (25) when the cylindrical body (31) is fitted.
旋盤により加工した後、コイル取付軸（２）の外周側に
円筒体（31）を焼嵌めにより嵌着して超電導界磁コイル
（25）を上部絶縁材（29）を介してスロット（18）内に
堅固に保持する。After processing with a lathe, the cylindrical body (31) is shrink-fitted onto the outer peripheral side of the coil mounting shaft (2) to insert the superconducting field coil (25) into the slot (18) via the upper insulating material (29). Hold firmly inside.
この時、上部絶縁材（29）の旋盤加工された外周面は円
筒体（31）の内面によって押し下げられコイル取付軸
（２）の外表面と一致し、超電導界磁コイル（25）に所
定の面圧を与えることになる。At this time, the lathe-machined outer peripheral surface of the upper insulating material (29) is pushed down by the inner surface of the cylindrical body (31) and coincides with the outer surface of the coil mounting shaft (2), so that the superconducting field coil (25) has a predetermined shape. It will give surface pressure.
以上のように円筒体（31）をコイル取付軸（２）の外周
側に焼嵌めにより嵌着することによって超電導界磁コイ
ル（25）をスロット（18）内に堅固に保持できるので、
従来のような形状の複雑な楔（15）を全く使用しなくて
よくその製作加工並びに打ち込み作業が皆無になる。
又、楔（15）をスロット（18）内に挿着するための楔溝
も不要となる。さらに、楔（15）を省略したことによ
り、その厚さ寸法分外径を小さくすることができ、しか
も超電導界磁コイル（25）の樹脂硬化後にコイル取付軸
（２）外表面を加工するようにしたので、コイル高さの
調整作業が不要となる。Since the superconducting field coil (25) can be firmly held in the slot (18) by shrink-fitting the cylindrical body (31) on the outer peripheral side of the coil mounting shaft (2) as described above,
Since the complicated wedge (15) having the conventional shape is not used at all, the manufacturing process and the driving work are eliminated.
Also, a wedge groove for inserting the wedge (15) into the slot (18) is not required. Furthermore, since the wedge (15) is omitted, the outer diameter can be reduced by the thickness dimension thereof, and the outer surface of the coil mounting shaft (2) is processed after the superconducting field coil (25) is cured with resin. Therefore, the work of adjusting the coil height is unnecessary.
又、超電導界磁コイル（25）の超電導線（25a）の冷却
は次のようにして行なわれる。コイル取付軸（２）の外
周部に形成した冷却路（2a）を通じて液体ヘリウムが供
給されスロット内絶縁材（30）によって形成された半径
方向の冷却路（30a）と上部絶縁材（29）の冷却路（29
a）に流入する。冷却路（29a）に流入した液体ヘリウム
は冷却路（29b）に流入して冷却路（29c）を経て超電導
線（25a）に絶縁テープ（26）をスパイラル状に形成す
ることにより形成した冷却路（27）に流入する。これら
冷却路（27），（30a）を液体ヘリウがム流通すること
により超電導線（25a）が直接冷却される。超電導線（2
5a）を冷却した後の液体ヘリウムは冷却路（28c），（2
8b），（28a）を経てヘリウム流通孔（22）に流出す
る。The superconducting wire (25a) of the superconducting field coil (25) is cooled as follows. Liquid helium is supplied through the cooling passage (2a) formed on the outer periphery of the coil mounting shaft (2), and the radial cooling passage (30a) formed by the in-slot insulating material (30) and the upper insulating material (29) Cooling channel (29
flow into a). Liquid helium flowing into the cooling passage (29a) flows into the cooling passage (29b), passes through the cooling passage (29c), and is formed by spirally forming an insulating tape (26) on the superconducting wire (25a). It flows into (27). The superconducting wire (25a) is directly cooled by the liquid helium flowing through the cooling paths (27) and (30a). Superconducting wire (2
Liquid helium after cooling 5a) is cooled by the cooling channels (28c), (2
8b) and (28a) and flow out to the helium flow hole (22).
以上説明したように、この発明の超電導回転電機の回転
子の製造方法により、コイル取付軸のスロット内に装着
された超電導界磁コイルをコイル取付軸の外周側に嵌着
した円筒体により堅固に保持され、複雑な形状の楔を全
く使用しなくてよくその製作加工並びに打ち込み作業が
皆無となり、作業性が著しく向上すると共に経済的にも
優れた効果が得られる。また、上部絶縁材のコイル取付
軸からの突出量を任意に変化させることによって超電導
界磁コイルをコイル取付軸に固定のための必要面圧を自
由に変え得るという効果が得られる。As described above, according to the method for manufacturing the rotor of the superconducting rotating electric machine of the present invention, the superconducting field coil mounted in the slot of the coil mounting shaft is firmly fixed by the cylindrical body fitted to the outer peripheral side of the coil mounting shaft. Since it is held and no wedge having a complicated shape is used at all, the manufacturing work and the punching work are completely eliminated, and the workability is remarkably improved and the economically excellent effect is obtained. Further, by arbitrarily changing the amount of protrusion of the upper insulating material from the coil mounting shaft, it is possible to freely change the surface pressure required for fixing the superconducting field coil to the coil mounting shaft.
第１図はこの発明の一実施例を示す断面図、第２図は第
１図の超電導線の正面図、第３図は第１図の上部絶縁材
の表面加工後の状態を示す断面図、第４図は従来の超電
導回転電機の回転子の一例を示す断面図、第５図は第４
図のＶ−Ｖ線に沿う断面図、第６図は第４図の要部斜視
図、第７図は第６図のVII−VII線に沿う断面図、第８図
は第７図の超電導界磁コイルの断面図である。 図において、（２）はコイル取付軸、（18）はスロツ
ト、（25）は超電導界磁コイル、（29）は上部絶縁材、
（31）は円筒体である。 なお、各図中、同一符号は同一又は相当部分を示す。1 is a cross-sectional view showing an embodiment of the present invention, FIG. 2 is a front view of the superconducting wire of FIG. 1, and FIG. 3 is a cross-sectional view showing a state after surface processing of the upper insulating material of FIG. FIG. 4 is a sectional view showing an example of a rotor of a conventional superconducting rotating electric machine, and FIG.
6 is a sectional view taken along the line VV of FIG. 6, FIG. 6 is a perspective view of a main portion of FIG. 4, FIG. 7 is a sectional view taken along the line VII-VII of FIG. 6, and FIG. It is a sectional view of a field coil. In the figure, (2) is a coil mounting shaft, (18) is a slot, (25) is a superconducting field coil, (29) is an upper insulating material,
(31) is a cylindrical body. In each figure, the same reference numerals indicate the same or corresponding parts.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 芝丸 雅夫 兵庫県神戸市兵庫区和田崎町１丁目１番２ 号 三菱電機株式会社神戸製作所内 (56)参考文献 特開 昭51−100205（ＪＰ，Ａ) 特開 昭57−186960（ＪＰ，Ａ) ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Masao Shibamaru 1-2-2 Wadasaki-cho, Hyogo-ku, Kobe-shi, Hyogo Mitsubishi Electric Corporation Kobe Works (56) Reference JP-A-51-100205 (JP) , A) JP-A-57-186960 (JP, A)
Claims (1)
軸と、このスロット内に装着され超電導線が複数列、複
数層巻回されて形成された超電導界磁コイルと、前記コ
イル取付軸の外周面に嵌着され前記超電導界磁コイルを
上部絶縁材を介して前記スロツトに保持する円筒体とを
備えた超電導回転電機の回転子の製造方法において、前
記超電導界磁コイルを前記スロット内に装着し、その後
前記超電導界磁コイルの外周側に前記上部絶縁材を前記
コイル取付軸の外周面から突出した状態で配設し、次に
その上部絶縁材の表面を加工し、その後突出した前記上
部絶縁材を前記円筒体により前記超電導界磁コイルに面
圧を与えて押し込んで、円筒体をコイル取付軸に嵌着し
たことを特徴とする超電導回転電機の回転子の製造方
法。1. A coil mounting shaft having a slot formed in an outer peripheral portion thereof, a superconducting field coil mounted in the slot by winding a plurality of rows of superconducting wires and a plurality of layers, and the coil mounting shaft. A method of manufacturing a rotor of a superconducting electric rotating machine, comprising: a cylindrical body fitted to an outer peripheral surface and holding the superconducting field coil in the slot through an upper insulating material, wherein the superconducting field coil is provided in the slot. The upper insulating material is mounted on the outer peripheral side of the superconducting field coil in a state of protruding from the outer peripheral surface of the coil mounting shaft, then the surface of the upper insulating material is processed, and then the protruding A method of manufacturing a rotor of a superconducting rotating electric machine, comprising: pressing an upper insulating material by applying a surface pressure to the superconducting field coil by the cylindrical body to fit the cylindrical body to a coil mounting shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63320424A JPH0750980B2 (en) | 1988-12-21 | 1988-12-21 | Method for manufacturing rotor of superconducting rotating electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63320424A JPH0750980B2 (en) | 1988-12-21 | 1988-12-21 | Method for manufacturing rotor of superconducting rotating electric machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02211052A JPH02211052A (en) | 1990-08-22 |
| JPH0750980B2 true JPH0750980B2 (en) | 1995-05-31 |
Family
ID=18121304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63320424A Expired - Fee Related JPH0750980B2 (en) | 1988-12-21 | 1988-12-21 | Method for manufacturing rotor of superconducting rotating electric machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0750980B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452014A (en) * | 2016-12-09 | 2017-02-22 | 邹九大 | Superconducting magnetic energy electromotor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6794792B2 (en) * | 2002-11-13 | 2004-09-21 | General Electric Company | Cold structural enclosure for multi-pole rotor having super-conducting field coil windings. |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2503428C3 (en) * | 1975-01-28 | 1978-12-14 | Kraftwerk Union Ag, 4330 Muelheim | Winding carrier to accommodate a superconducting excitation winding in the rotor of a turbo generator |
-
1988
- 1988-12-21 JP JP63320424A patent/JPH0750980B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452014A (en) * | 2016-12-09 | 2017-02-22 | 邹九大 | Superconducting magnetic energy electromotor |
| CN106452014B (en) * | 2016-12-09 | 2019-02-26 | 邹九大 | A kind of superconduction magnetic energy motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02211052A (en) | 1990-08-22 |
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