JPS63228959A - Rotor for superconducting rotary electric machine - Google Patents
Rotor for superconducting rotary electric machineInfo
- Publication number
- JPS63228959A JPS63228959A JP62058748A JP5874887A JPS63228959A JP S63228959 A JPS63228959 A JP S63228959A JP 62058748 A JP62058748 A JP 62058748A JP 5874887 A JP5874887 A JP 5874887A JP S63228959 A JPS63228959 A JP S63228959A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- mounting shaft
- connection
- rotor
- partial
- 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
- 230000002093 peripheral effect Effects 0.000 abstract 2
- 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
- 239000007788 liquid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000011810 insulating material 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)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、超電導回転電機の回転子に関し、もう少し
詳しくいうと、同心的に巻回された鞍型の複数個の部分
コイルからなる超電導界磁コイルを有する超電導回転電
機の回転子に関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a rotor for a superconducting rotating electric machine, and more specifically, a superconducting field consisting of a plurality of saddle-shaped partial coils wound concentrically. The present invention relates to a rotor of a superconducting rotating electric machine having a magnetic coil.
従来、この種の回転子として第３図に示すものがあり、
図において、トルクチューブ（１）の中央部を形成する
コイル取付軸（２）に超電導界磁コイル（３）が固定さ
れている。トルクチューブ（１）とコイル取付軸（２）
を囲繞して常温ダンパ（４）が、常温ダンパ（４）とコ
イル取付軸（２）の間に低温ダンパ（５）がそれぞれ設
けられている。コイル取付軸（２）の外周部および側面
部にはそれぞれヘリウム外筒（６）およびヘリウム端板
（７）が取付けられている。（８）および（９）はそれ
ぞれ駆動側、反駆動側端部軸で、軸受（１０）により支
承されている。（１１）は界磁＊流供給用のスリップリ
ングである。トルクチューブ（１）には熱交換器（１２
）が配置されている。（１３）は側部輻射シールド、（
１４）は真空部である。Conventionally, there is a rotor of this type as shown in Fig. 3.
In the figure, a superconducting field coil (3) is fixed to a coil mounting shaft (2) forming the center portion of a torque tube (1). Torque tube (1) and coil mounting shaft (2)
A room-temperature damper (4) is provided surrounding the coil, and a low-temperature damper (5) is provided between the room-temperature damper (4) and the coil mounting shaft (2). A helium outer cylinder (6) and a helium end plate (7) are attached to the outer periphery and side surface of the coil attachment shaft (2), respectively. (8) and (9) are drive side and non-drive side end shafts, respectively, and are supported by bearings (10). (11) is a slip ring for supplying field* current. The torque tube (1) is equipped with a heat exchanger (12
) are placed. (13) is the side radiation shield, (
14) is a vacuum section.
上記構成からなる超電導回転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、電気抵抗を苓の状
態とし、励磁損失をなくてことにより、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）に交流車力を発生させる。この超酊導界磁コイル（
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５導界磁コイル（３）およびコイル取付軸（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、かつ、熱交換器（１２）により、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構造
が最も一般的である。さらに、側部輻射シールド（１３
）は側面からの輻射により侵入する熱を低減する。In the rotor of the superconducting rotating machine having the above configuration, the superconducting field coil (
By cooling the superconducting field coil (3) to an extremely low temperature, the electrical resistance becomes low and there is no excitation loss, thereby generating a strong magnetic field in the superconducting field coil (3), which connects the stator (not shown). generates AC vehicle power. This super-intoxicating field coil (
3) In order to cool and maintain the liquid helium at an extremely low temperature, liquid helium is passed from the center of the non-drive side end shaft (9) through an introduction pipe (not shown) to the helium outer cylinder (6) and the helium end plate (7). While supplying liquid helium to the liquid helium container formed by
) The most common structure is that the torque tube (1) that transmits the rotational torque is a thin cylinder, and a heat exchanger (12) is used to reduce as much as possible the heat that enters the cryogenic part through the torque tube (1). Furthermore, side radiation shield (13
) reduces heat entering through radiation from the sides.
一方、常温ダンパ（４）および低温ダンパ（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）を保睦するとともに、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ほか、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−７−ｉレドとしての機能を兼ね
る方式が一般的である。なお、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
た。On the other hand, the room-temperature damper (4) and the low-temperature damper (5) shield harmonic magnetic fields from the stator, protect the superconducting field coil (3), and prevent rotor vibrations caused by disturbances in the power system. In addition to having a damping function, the room-temperature damper (4) generally functions as a vacuum outer cylinder, and the low-temperature damper (5) also functions as a radiation-7-i lead to the helium container. In addition, in FIG. 4, piping constituting a helium introduction and discharge system inside the rotor and a helium introduction and discharge device connected to the rotor are omitted.
ここで、超電導界磁コイル（３）は、同心状に巻回され
た複数個の鞍型の部分コイルを直列接続したものである
。第４図、第５図は、たとえば特開昭５４−１１３８０
８号公報に示された従来のコイル接続構造であシ、図に
おいて、（３ａ）、（３ｂ）。Here, the superconducting field coil (3) is a plurality of saddle-shaped partial coils wound concentrically and connected in series. FIG. 4 and FIG.
The conventional coil connection structure shown in Publication No. 8 is shown in (3a) and (3b) in the figures.
（３Ｃ）は部分コイルで、端部の接続部（１６ａ）にお
いて互いに接続されている。部分コイルはスロット（１
７）に配置され、その接続部はコイルコーナ部に設けた
接続溝（１８）内に置かれている。（１９）は超電導線
である。なお、図を見やすくするために、スロット内絶
縁材やウェッジは図示されていない。(3C) is a partial coil, which is connected to each other at a connecting portion (16a) at an end. The partial coil is slotted (1
7), and its connection portion is placed in a connection groove (18) provided at the coil corner portion. (19) is a superconducting wire. Note that in order to make the figure easier to read, the insulating material in the slot and the wedge are not shown.
第５図では、部分コイル（３ａ）の最外周ターンと部分
コイＡ／（３ｂ）の最内周ターンとが接続溝（１８）内
で接続されている状態を示している。FIG. 5 shows a state in which the outermost turn of the partial coil (3a) and the innermost turn of the partial coil A/(3b) are connected within the connection groove (18).
従来の超電導回転電機の回転子は以上のように構成され
ていたため、部分コイル相互の接続部の長さは第４図に
Ｌで示した程度であった。超電導線の接続部は、常電導
の銅あるいはノ・／ダを介して電流が流れているため、
常にジュール熱が発生している。以上のように接続部の
長さが不足して、ジュール熱が大ぎくなれば、接続部の
温度が上昇して超電導界磁コイル全体が超電導破壊に至
）、回転電機が機能を停止するという問題点があった。Since the rotor of the conventional superconducting rotating electrical machine was constructed as described above, the length of the connecting portion between the partial coils was approximately as shown by L in FIG. 4. At the connections of superconducting wires, current flows through normally conducting copper or nodes, so
Joule heat is always occurring. As mentioned above, if the length of the connection is insufficient and the Joule heat becomes too great, the temperature of the connection will rise and the entire superconducting field coil will be destroyed), causing the rotating electrical machine to stop functioning. There was a problem.
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、超電導安定性の高いコイル接続部を有する超
電導回転′ｒｆＬ機の回転子を得ることを目的とする。The present invention was made to solve the above-mentioned problems, and an object of the present invention is to obtain a rotor for a superconducting rotating 'rfL machine having a coil connection portion with high superconducting stability.
この発明に係る超電導回転電機の回転子は、コイル取付
軸端部に円周方向の接続溝を設け、隣接する部分コイル
相互の接続部を接続溝内に配置したものである。A rotor for a superconducting rotating electric machine according to the present invention has a circumferential connecting groove provided at the end of a coil mounting shaft, and connecting portions between adjacent partial coils are arranged within the connecting groove.
この発明においては、コイルのアーク部間に円周方向の
接続溝を設けたことによシ、接続部長の制約がな（なシ
、接続部の電気抵抗、したがってジュール熱が低減され
、超電導安定性が向上する。In this invention, by providing a connecting groove in the circumferential direction between the arc parts of the coil, there is no restriction on the connecting part, and the electrical resistance of the connecting part, and therefore the Joule heat, is reduced and the superconductivity is stabilized. Improves sex.
第１図、第２図はこの発明の一実施例を示し、（２）は
コイル取付軸、（３ａ）、（ａｂ） 、（３ｃ）は部分
コイルである。各部分コイルはＡ、Ｂ、Ｃに分けて考え
ることができ、Ａは直線部、Ｂはコーナ部、Ｃはアーク
部とすることができる。（１６）はアーク部間に設けら
れた接続部である。コイル取付軸（２）に設けられたス
ロツｌ−（１７）相互間のコイル取付軸（２）表面には
円周方向に延びる接続溝（１８）が形成されている。第
２図では、部分コイル（３ａ）の最外周ターンと部分コ
イル（３ｂ）の最内周ターンとの接続部（１６）が接続
溝（１８）内に置かれている状態を示している。接続溝
（１８）の長さは２００ｊｘ以上であシ、接続部（１６
）の長さＬは一般に必要とされる接続長（１００ｍｍ程
度）を十分確保することができる。FIGS. 1 and 2 show an embodiment of the present invention, in which (2) is a coil mounting shaft, and (3a), (ab), and (3c) are partial coils. Each partial coil can be considered to be divided into A, B, and C, with A being a straight part, B being a corner part, and C being an arc part. (16) is a connecting portion provided between the arc portions. A connecting groove (18) extending in the circumferential direction is formed on the surface of the coil mounting shaft (2) between the slots L-(17) provided on the coil mounting shaft (2). FIG. 2 shows a state in which the connection portion (16) between the outermost turn of the partial coil (3a) and the innermost turn of the partial coil (3b) is placed in the connection groove (18). The length of the connecting groove (18) must be 200jx or more, and the connecting part (16
) can sufficiently ensure the generally required connection length (about 100 mm).
なお、接続部（１６）をコイル取付軸（２）外表面に近
い位置、たとえばコイル最上段の半径位置に設けると、
接続溝（１８）内でのコイル接続作業が容易になる。In addition, if the connection part (16) is provided at a position close to the outer surface of the coil mounting shaft (2), for example, at a radial position at the top of the coil,
Coil connection work within the connection groove (18) becomes easier.
以上のように、この発明によれば、部分コイル間の接続
部をアーク部コイル間の円周方向の接続溝内に設けたの
で、超電導界磁コイルの安定性が向上し、信頼性の高い
超電導回転電機の回転子が得られる効果がある。As described above, according to the present invention, the connection between the partial coils is provided in the circumferential connection groove between the arc section coils, so the stability of the superconducting field coil is improved and the reliability is high. This has the effect of providing a rotor for a superconducting rotating electric machine.
第１図はこの発明の一実施例の要部平面図、第２図は第
１図のｎ−ｎ線に沿う平面での断面図、第３図は従来の
超電導回転電機の回転子の縦断面図、第４図は第３図の
ものの要部平面図、第５図は第４図のＶ−Ｖ線に沿う平
面での断面図である。
（２）・・コイル取付軸、（３）・・超電導界磁コイル
、（３ａ）、（３ｂ）、（３ｃ） −一部分コイル、（
１６）・・接Ｈ部、（１７）・・スロット、 （１８）
・・接続溝。
なお、各図中、同一符号は同一または相当部分を示す。FIG. 1 is a plan view of a main part of an embodiment of the present invention, FIG. 2 is a sectional view taken along the line nn in FIG. 1, and FIG. 3 is a longitudinal cross-section of a rotor of a conventional superconducting rotating electric machine. 4 is a plan view of a main part of the device shown in FIG. 3, and FIG. 5 is a sectional view taken along the line V--V in FIG. 4. (2)...Coil mounting shaft, (3)...Superconducting field coil, (3a), (3b), (3c) - Partial coil, (
16)... H contact part, (17)... Slot, (18)
...Connection groove. In each figure, the same reference numerals indicate the same or corresponding parts.
Claims (2)
よび前記直線部と前記アーク部とを結ぶコーナ部とから
なる鞍型の部分コイルを複数個同心的に巻回して直列接
続した超電導界磁コイルと、前記コイル取付軸に形成さ
れ前記部分コイルを収納するスロットと、 前記アーク部のコイル間の前記コイル取付軸表面に円周
方向に形成され前記部分コイル相互の接続部が配置され
た接続溝と、 を備えてなる超電導回転電機の回転子。(1) A plurality of saddle-shaped partial coils consisting of a cylindrical coil mounting shaft, a straight part parallel to the rotation axis, an arc part extending in the circumferential direction, and a corner part connecting the straight part and the arc part. superconducting field coils individually wound concentrically and connected in series; a slot formed on the coil mounting shaft to accommodate the partial coil; and a slot formed in the circumferential direction on the surface of the coil mounting shaft between the coils of the arc portion. A rotor for a superconducting rotating electrical machine, comprising: a connecting groove in which a connecting portion between the partial coils is disposed.
求の範囲第１項記載の超電導回転電機の回転子。(2) A rotor for a superconducting rotating electric machine according to claim 1, wherein the connecting portion is provided at a radial position of the uppermost stage of the coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62058748A JPS63228959A (en) | 1987-03-16 | 1987-03-16 | Rotor for superconducting rotary electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62058748A JPS63228959A (en) | 1987-03-16 | 1987-03-16 | Rotor for superconducting rotary electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63228959A true JPS63228959A (en) | 1988-09-22 |
Family
ID=13093158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62058748A Pending JPS63228959A (en) | 1987-03-16 | 1987-03-16 | Rotor for superconducting rotary electric machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63228959A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02250658A (en) * | 1989-03-23 | 1990-10-08 | Chiyoudendou Hatsuden Kanren Kiki Zairyo Gijutsu Kenkyu Kumiai | Rotor for superconducting generator |
| WO2023037834A1 (en) * | 2021-09-10 | 2023-03-16 | 国立大学法人京都大学 | Superconducting rotating machine, and ship, automobile, aircraft, and pump using same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54113808A (en) * | 1978-02-03 | 1979-09-05 | Kraftwerk Union Ag | Method of mounting superconductive field winding for turboogenerator rotator |
| JPS60125163A (en) * | 1983-12-06 | 1985-07-04 | Hitachi Ltd | Superconductive rotor |
-
1987
- 1987-03-16 JP JP62058748A patent/JPS63228959A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54113808A (en) * | 1978-02-03 | 1979-09-05 | Kraftwerk Union Ag | Method of mounting superconductive field winding for turboogenerator rotator |
| JPS60125163A (en) * | 1983-12-06 | 1985-07-04 | Hitachi Ltd | Superconductive rotor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02250658A (en) * | 1989-03-23 | 1990-10-08 | Chiyoudendou Hatsuden Kanren Kiki Zairyo Gijutsu Kenkyu Kumiai | Rotor for superconducting generator |
| WO2023037834A1 (en) * | 2021-09-10 | 2023-03-16 | 国立大学法人京都大学 | Superconducting rotating machine, and ship, automobile, aircraft, and pump using same |
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