JPS60176462A - Vacuum exhaust unit of superconductive rotor - Google Patents
Vacuum exhaust unit of superconductive rotorInfo
- Publication number
- JPS60176462A JPS60176462A JP59031411A JP3141184A JPS60176462A JP S60176462 A JPS60176462 A JP S60176462A JP 59031411 A JP59031411 A JP 59031411A JP 3141184 A JP3141184 A JP 3141184A JP S60176462 A JPS60176462 A JP S60176462A
- Authority
- JP
- Japan
- Prior art keywords
- vacuum
- rotor
- valve
- detection device
- pressure detection
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K55/00—Dynamo-electric machines having windings operating at cryogenic temperatures
- H02K55/02—Dynamo-electric machines having windings operating at cryogenic temperatures of the synchronous type
- H02K55/04—Dynamo-electric machines having windings operating at cryogenic temperatures of the synchronous type with rotating field windings
-
- 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
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Superconductive Dynamoelectric Machines (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の技術分野〕
本発明は回転電機の超電導回転子の真空排気装置に関す
る。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a vacuum evacuation device for a superconducting rotor of a rotating electric machine.
近年、超電導線を回転電機の回転子界磁巻線に応用した
超電導発電機や調相機が開発されている。In recent years, superconducting generators and phase adjusters have been developed in which superconducting wires are applied to the rotor field windings of rotating electric machines.
超電導線はその超電導性を維持する為に極低温（４，２
に程度）に冷却される。冷媒としては液体ヘリウムが個
用される。外部からの熱侵入を遮蔽する為、界磁巻線を
納めた回転子の極低温容器は真空部にて真空断熱をしだ
や、放射伝熱遮蔽板を設けたシし、又、常温部との連結
部は、その内部に低温ガスヘリウムの流路な備え、熱交
換機能を有する円筒状サポート（トルクチューブと称さ
れる）により支持される、
しかして、長期運転による材料の疲労破壊、又は何らか
の原因により、回転子内部の真空部の真空度が低下する
と、対流による熱侵入が活発化し、冷媒である液体ヘリ
ウムの消費量が増大する。回転子内での液体ヘリウムの
蒸発速度が増大すると、回転子内圧力が増し、同時に回
転子内極低温度部の温度が上昇し、運転不能となる。特
に長期連続使用時においては、回転子内裏空部の真空排
気を連続的に行なうが、状況によっては、極低温に保た
れる回転子内部が、クライオポンプ効果によシ高真空と
なっていることが多い。このような状況下では、回転子
内裏空部は連続真空排気されるよシも、むしろ封じ切ら
れている方が望ましい。Superconducting wires are heated to extremely low temperatures (4,2
cooled down to approximately Liquid helium is used as a refrigerant. In order to shield heat from entering from the outside, the rotor's cryogenic container containing the field windings is vacuum insulated in the vacuum section, is equipped with a radiation heat transfer shielding plate, or is placed in the room temperature section. The connecting part is supported by a cylindrical support (called a torque tube) that has a flow path for low-temperature gas helium inside and has a heat exchange function. Alternatively, if the degree of vacuum in the vacuum area inside the rotor decreases for some reason, heat infiltration by convection becomes active and consumption of liquid helium, which is a refrigerant, increases. When the evaporation rate of liquid helium within the rotor increases, the pressure within the rotor increases, and at the same time the temperature of the extremely low temperature section within the rotor increases, making operation impossible. Particularly during long-term continuous use, the inner and inner spaces of the rotor are continuously evacuated, but depending on the situation, the inside of the rotor, which is kept at an extremely low temperature, becomes highly vacuumed due to the cryopump effect. There are many things. Under such circumstances, it is preferable that the inner and outer spaces of the rotor be sealed off, rather than being continuously evacuated.
本発明は、回転手内排気通路に遮断弁を設け、回転子内
の真空度が１分であれば遮断弁を閉じるようにし、不十
分のときは真空引きするようにした長期運転の可能な信
頼性の縞い超電非回転子を得る為の真空排気装置を提供
することを目的とする。The present invention is capable of long-term operation by providing a shutoff valve in the rotor's internal exhaust passage, and closing the shutoff valve when the degree of vacuum inside the rotor is 1 minute, and evacuating when it is insufficient. The purpose of this invention is to provide a vacuum evacuation device for obtaining a highly reliable superelectric non-rotator.
本発明においては、断熱用真空部を有する超電導回転子
に真空部の圧力検出装置を設け、真空部の排気通路に遮
断弁を設け、この遮断弁よシ真空引き側にて回転子軸に
シール装置を介して真空排気ポンプを静止部（二設け、
遮断弁は圧力検出装置の所定値以上の圧力検出により制
御部からの指令で開動作させ、前記真空排気ポンプで回
転子内裏空部の真空引きを行なわせるようにすることに
より、回転子内裏空部の真空度低下に応じて真空引きを
し、高真空度になったら封じ切るものである。In the present invention, a superconducting rotor having an insulating vacuum section is provided with a pressure detection device for the vacuum section, a cutoff valve is provided in the exhaust passage of the vacuum section, and a seal is placed on the rotor shaft on the vacuum drawing side of the cutoff valve. Vacuum pump through the device stationary part (two provided,
The shutoff valve is opened by a command from the control unit when the pressure detecting device detects a pressure higher than a predetermined value, and the vacuum exhaust pump evacuates the inner and outer space of the rotor. The system evacuates the area as the vacuum level decreases, and seals it off when the vacuum level reaches a high level.
以下、本発明の一実施例について、添付図面を参照して
説明する。An embodiment of the present invention will be described below with reference to the accompanying drawings.
静止部に設置され、連続運転を行なう真空排気ポンプ（
１１は、遮断および逆上の機能を持つ）くルプ（２）お
よび真空配管（３）を介して、超電導回転子の回転子軸
（４）の真空排気接続部（５）に接続されている。A vacuum exhaust pump that is installed in a stationary part and operates continuously (
11 is connected to the evacuation connection (5) of the rotor shaft (4) of the superconducting rotor via a loop (2) (having a shutoff and reverse function) and a vacuum pipe (3). .
真空排気接続部（５）も静止状態に設置され、回転子軸
（４）との間には磁性流体シールあるいは摺動・（ツキ
ン形シール等のシール装置（５ａ）を介在させて、外気
の侵入を防止している。回転子軸（４）内には、図示し
ない界磁巻線を液体ヘリウムで冷却している容器の周囲
を真空断熱する回転子内裏空部（６）と、真空排気接続
部（５）とを連通する排気通路（７）が１、この排気通
路（７）の真空部（６）側に遮断弁（８）が設置される
。真空部（６）に圧力検出装置（９）を設け、遮断弁（
８）よ少真空引き側の排気通路（力に補助圧力検出装置
（１呻を設ける。測圧力検出装置（９）、μ呻からそれ
ぞれ信号線（９ａ）、（１０ａ）を、回転軸（４）を気
密に貫通して回転軸（４）外に引用し、制御装置αυに
接続する。The vacuum exhaust connection part (5) is also installed in a stationary state, and a sealing device (5a) such as a magnetic fluid seal or a sliding type seal is interposed between the rotor shaft (4) and the outside air. Inside the rotor shaft (4), there is a space inside the rotor (6) that provides vacuum insulation around a container in which the field winding (not shown) is cooled with liquid helium, and a vacuum exhaust hole. There is an exhaust passage (7) communicating with the connecting part (5), and a shutoff valve (8) is installed on the vacuum part (6) side of this exhaust passage (7).A pressure detection device is installed in the vacuum part (6). (9) and a shutoff valve (
8) An auxiliary pressure detection device (1) is installed in the exhaust passage (force) on the side of a small vacuum. Connect the signal lines (9a) and (10a) from the pressure detection device (9) and μ ) is airtightly passed through to the outside of the rotating shaft (4) and connected to the control device αυ.
制御装置（１１）から制御線（８ａ）を出し、回転軸（
４）を気密に貫通させて遮断弁（８）に接続する。制御
装置αυは圧力検出装置（Ｉ呻が所定値以上の圧力を検
出したら、指令を出して遮断弁（８）を開にするように
設定し、また、補助圧力検出装置θ値の検出圧力値が真
空部（６）の圧力検出装置（９）の検出圧力値より所定
値以上面い場合は、制御装置αυは指令を出して遮断弁
（８）を閉動作するように設定する。そして真空ポンプ
（１）には、真空引きを連続運転している（二もかかわ
らず、所定の真空度に達しない場合、警報を発する警報
装置（１３を設ける。Take out the control line (8a) from the control device (11) and connect it to the rotation axis (
4) is hermetically penetrated and connected to the shutoff valve (8). The control device αυ is set to issue a command to open the shutoff valve (8) when the pressure detection device (I) detects a pressure higher than a predetermined value, and also controls the detected pressure value of the auxiliary pressure detection device θ value. If the pressure value detected by the pressure detection device (9) in the vacuum section (6) is greater than a predetermined value, the control device αυ issues a command and sets the shutoff valve (8) to close. The pump (1) is equipped with an alarm device (13) that issues an alarm if a predetermined degree of vacuum is not reached despite continuous vacuum operation (2).
次に作用について説明する。Next, the effect will be explained.
回転子製作時は真空部（６）は大気圧であシ、組立後真
空排気するのが一般的である。しか駿、組立製作時に予
じめ排気を完了しておき、遮断弁（８）により真空を維
持しておいてもよい。通！、運転時には真空部（６）は
前述したように、クライオポンプ効果によυ高真空に保
たれており、遮断弁（８）は閉状態である。この時にも
、真空排気ポンプ（１）は運転されており、遮断弁（８
）の真空引き側は真空排気ポンプ（１）の到達真空度ζ
ユ保たれる。長期間にわたる運転、あるいは何らかの原
因により、真空部（６）の真空度が低下し、真空排気ボ
ング側の圧力より高なった場合、即ち圧力検出装置（９
）の所定値以上の圧力検出によシ、制御装置αυから指
令が出されて、遮断弁（８）を開動作し、真空排気ポン
プ（１）により、真空部（６）の真空引きを行ない、界
磁巻線周囲の真空断熱を良好にする。そして真空部（６
）の圧力が所定値以下になったことが圧力検出装置（９
）により検出されれば、制御装置住υは遮断弁（８）を
閉じさせる指令を出し、遮断弁（８）閉により真空部（
６）は封じ切りとなる。そして、遮断弁（８）を開とし
、真空排気を行なっている場合に、真空部（６）の真空
度がなかなか回復しない場合には、真空部（６）構成部
材に真空もれが発生しているものと警報装置（Ｌ邊が中
断し、警報を発する。また、補助圧力検出装置Ｕ（の検
出圧力値が真空！Ｂ （６）の圧力検出装置（９）の横
比圧力値より４い場合は、制御装置（１１）の指令によ
り遮断弁（８）が閉じている。そして、真空排気ポンプ
（１）が動作しているにもかかわらず、真空排気ポンプ
側の圧力が所定値以上となったままの場合にはシール装
置（５ａ）あるいは真空排気接、続郡（４）、配偶（３
）、バルブ（２）等に異常が発生したと警報装置（ｌり
が判断し、警報を発する。When manufacturing the rotor, the vacuum section (6) is kept at atmospheric pressure, and is generally evacuated after assembly. However, the exhaust may be completed in advance during assembly and production, and the vacuum may be maintained using the shutoff valve (8). Pass! During operation, the vacuum section (6) is maintained at a high vacuum due to the cryopump effect, as described above, and the shutoff valve (8) is in a closed state. At this time, the vacuum pump (1) is also operating, and the shutoff valve (8) is in operation.
) is the vacuum level ζ of the vacuum pump (1).
You will be saved. If the degree of vacuum in the vacuum section (6) decreases due to long-term operation or for some other reason and becomes higher than the pressure on the evacuation bong side, in other words, the pressure detection device (9)
), a command is issued from the control device αυ to open the shutoff valve (8) and evacuate the vacuum section (6) using the vacuum evacuation pump (1). , improve vacuum insulation around the field winding. and the vacuum section (6
) The pressure detection device (9) indicates that the pressure of the
), the control device issues a command to close the shutoff valve (8), and by closing the shutoff valve (8), the vacuum section (
6) will be closed. When the shutoff valve (8) is opened and the vacuum is evacuated, if the degree of vacuum in the vacuum section (6) does not recover easily, vacuum leakage may occur in the constituent members of the vacuum section (6). The alarm device (L side) interrupts and issues an alarm. Also, the detected pressure value of the auxiliary pressure detection device U (vacuum! If not, the shutoff valve (8) is closed by a command from the control device (11).Also, even though the vacuum pump (1) is operating, the pressure on the vacuum pump side exceeds a predetermined value. If the condition remains, please check the sealing device (5a), vacuum exhaust connection, connection group (4), or connector (3).
), valve (2), etc., the alarm device determines that an abnormality has occurred and issues an alarm.
従って、長期運転の可能な信頼性の高い超電導回転子を
得る為の真空排気装置が得られる。Therefore, a vacuum evacuation device for obtaining a highly reliable superconducting rotor capable of long-term operation can be obtained.
以上１況明したように、本発明によれば、真空部の真空
度が低下したら真空排気ポンプ真空引きをし、真空部の
真空度が、島〈なったら遮断弁で封じ切るようにしたの
で、長期運転の可能な信頼性り商い超電導回転子を得る
為の真空排気装置が得られる。As explained above, according to the present invention, when the degree of vacuum in the vacuum section decreases, the evacuation pump is evacuated, and when the degree of vacuum in the vacuum section reaches an island, the shutoff valve is used to shut off the vacuum. Thus, a vacuum evacuation device for obtaining a reliable superconducting rotor capable of long-term operation is obtained.
１ 図は本発明の超電導回転子の真空排気装置の−）
実施例を示す縦断面図である。
ｌ・・・真空排気ポンプ ４・・・回転子軸５・・・真
空排気接続部 ５ａ・・・シール装置６・・・真空部
７・・・排気通路
８・・・遮断弁 ９・・・圧力検出装置、 １０・・・
補助圧力検出装置 １１・・・制御装置代理人 弁理士
井 上 −男1 The figure shows a vacuum evacuation system for a superconducting rotor according to the present invention.
FIG. 3 is a longitudinal cross-sectional view showing an example. l... Vacuum pump 4... Rotor shaft 5... Vacuum exhaust connection part 5a... Sealing device 6... Vacuum part
7...Exhaust passage 8...Shutoff valve 9...Pressure detection device, 10...
Auxiliary pressure detection device 11...Control device agent Patent attorney Inoue -Male
Claims (1)
の圧力検出装置を設け、真空部の排気通路に遮断弁を設
け、この遮断弁より真空引き側にて回転子軸にシール装
置を介して真空排気ポンプを静止郡に設け、遮断弁は圧
力検出装置の所定値以上の圧力検出により制御装置から
の指令で開動作させ、前記真空排気ポンプで回転子内実
空部の真空引きを行なわせるようにしたことを特徴とす
る超電導回転子の真空排気装置。 （２）遮断弁よう真空引き側に補助圧力検出装置を設け
、補助圧力検出装置の検出圧力値が真空部圧力検出装置
の検出圧力値よシ所定値以上高い場合は制御装置からの
指令で遮断弁を閉動作させるようにしたことを特徴とす
る特許請求の範囲第１項記載の超電導回転子の真空排気
装置。[Claims] A superconducting rotor having a vacuum section for heat is provided with a pressure detection device for the vacuum section, a cutoff valve is provided in the exhaust passage of the vacuum section, and the rotor shaft is connected to the vacuum suction side of the cutoff valve. A vacuum evacuation pump is installed in a stationary state via a sealing device, and the shutoff valve is opened by a command from the control device when the pressure detection device detects a pressure higher than a predetermined value. A vacuum evacuation device for a superconducting rotor, characterized in that it performs evacuation. (2) An auxiliary pressure detection device is installed on the vacuum drawing side like a shutoff valve, and if the pressure detected by the auxiliary pressure detection device is higher than the pressure detected by the vacuum section pressure detection device by a predetermined value or more, the control device shuts off the device. A superconducting rotor vacuum evacuation device according to claim 1, characterized in that the valve is operated to close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59031411A JPS60176462A (en) | 1984-02-23 | 1984-02-23 | Vacuum exhaust unit of superconductive rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59031411A JPS60176462A (en) | 1984-02-23 | 1984-02-23 | Vacuum exhaust unit of superconductive rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60176462A true JPS60176462A (en) | 1985-09-10 |
Family
ID=12330510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59031411A Pending JPS60176462A (en) | 1984-02-23 | 1984-02-23 | Vacuum exhaust unit of superconductive rotor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60176462A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012119858A3 (en) * | 2011-03-04 | 2013-09-12 | Siemens Aktiengesellschaft | Super conducting synchronous machine comprising a rotor which can rotate in relation to a stator and which has at least one super conducting winding |
-
1984
- 1984-02-23 JP JP59031411A patent/JPS60176462A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012119858A3 (en) * | 2011-03-04 | 2013-09-12 | Siemens Aktiengesellschaft | Super conducting synchronous machine comprising a rotor which can rotate in relation to a stator and which has at least one super conducting winding |
| CN103404010A (en) * | 2011-03-04 | 2013-11-20 | 西门子公司 | Super conducting synchronous machine comprising a rotor which can rotate in relation to a stator and which has at least one super conducting winding |
| US9467024B2 (en) | 2011-03-04 | 2016-10-11 | Siemens Aktiengesellschaft | Super conducting synchronous machine comprising a rotor which can rotate in relation to a stator and which has at least one super conducting winding |
| CN103404010B (en) * | 2011-03-04 | 2017-02-15 | 西门子公司 | Super conducting synchronous machine comprising a rotor which can rotate in relation to a stator and which has at least one super conducting winding |
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