CN102254618A - 带有超导电缆的输电*** - Google Patents
带有超导电缆的输电*** Download PDFInfo
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- CN102254618A CN102254618A CN2011101147527A CN201110114752A CN102254618A CN 102254618 A CN102254618 A CN 102254618A CN 2011101147527 A CN2011101147527 A CN 2011101147527A CN 201110114752 A CN201110114752 A CN 201110114752A CN 102254618 A CN102254618 A CN 102254618A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B12/00—Superconductive or hyperconductive conductors, cables, or transmission lines
- H01B12/02—Superconductive or hyperconductive conductors, cables, or transmission lines characterised by their form
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B12/00—Superconductive or hyperconductive conductors, cables, or transmission lines
- H01B12/16—Superconductive or hyperconductive conductors, cables, or transmission lines characterised by cooling
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- 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
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- 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
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- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S505/00—Superconductor technology: apparatus, material, process
- Y10S505/70—High TC, above 30 k, superconducting device, article, or structured stock
- Y10S505/704—Wire, fiber, or cable
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Abstract
本发明涉及一种输电***,带有包括三根相导线(1,2,3)的超导电缆和包绕该三根相导线的低温恒温器(KR),该低温恒温器包封一个用于传送冷却介质的空腔(HR)。所述三根相导线(1,2,3)有一根共用的中性导线(11),所述中性导线(11)由普通导电材料制成,它设计成带有绝缘层的圆导线并且设置在低温恒温器(KR)之外的一旁。所述低温恒温器(KR)由一个环绕封闭的绝热壳套构成。
Description
技术领域
本发明涉及一种输电***,带有包括三根相导线的超导电缆和包绕该三根相导线的低温恒温器,该低温恒温器包封一个用于传送冷却介质的空腔,其中,所述三根相导线有一根共用的中性导线,所述低温恒温器由一个环绕封闭的绝热壳套构成。
背景技术
这样一种输电***已由WO2004/013868A2公开。
超导电缆在当今技术中具有由一种复合材料制成的电导线,这种复合材料包含陶瓷材料,它在足够低的温度时过渡到超导状态中。只要没有超过一定的电流强度,一种相应构造的导线的直流电阻值在足够冷却时为零。合适的陶瓷材料例如有BSCCO(铋-锶-钙-铜-氧化物)作为第一代材料或ReBCO(稀土-钡-铜-氧化物),尤其是YBCO(钇-钡-铜-氧化物)作为第二代材料。使这类材料进入超导状态的足够低的温度例如在67K和90K之间。合适的冷却介质例如是氮、氦、氖和氢或它们的混合物。
在EP2017856A1中描述了一种超导电缆,它具有一根作为由许多超导丝构造成的导线索的导线。该导线由一种电介质包绕,后者再由一层屏蔽层或回线或中性导线包绕。如此构造的电缆芯线设置在一个低温恒温器中,该低温恒温器由两个相互同心设置且中间夹隔有一真空绝热层的金属管构成。在低温恒温器中为构成一个三相线***也可以设置三根这样的电缆芯线。所述导线也可直接设置在一个低温恒温器内,该低温恒温器由一种电介质和屏蔽层包绕。
在如前言所述的WO2004/013868A2公开的输电***中,三根相导线相对绝缘并相互同心地设置。中性导线作为第四根导线在中间夹隔有另一绝缘层的情况下围绕这三根相导线设置。四根这种由超导材料制成的导线紧凑布置在一个低温恒温器中并且在输电***运行时为达到超导能力被冷却。这一点也适用于同样具有超导材料的中性导线。低温恒温器具有与这种紧凑布置方式适配的大尺寸,以及足够大的用于传输冷却介质的空腔。
发明内容
本发明所要解决的技术问题在于简化本文前言所述的输电***。
上述技术问题按照本发明这样来解决,即,
-所述中性导线以本身公知的方式由普通导电材料制成并且设置在低温恒温器之外,并且
-所述中性导线设计成绝缘的圆导线并且铺设在低温恒温器一旁。
由于中性导线在所述输电***中位于低温恒温器之外,它因此也可由相对于超导材料更廉价的普通导电材料尤其是铜制成。因此,在输电***工作时在低温恒温器内只还需要冷却三根相导线。这种输电***在冷却方面的投入因此比已知的***低,这是因为本身不必考虑中性导线可能的发热。这样的发热可能因三根相导线不均匀承载时所致电流而造成,该电流会导致交流损失。相应的发热或损失功率原本必须通过冷却设备来补偿,该冷却设备也因此需要设计具有比正常运行水平更高的冷却功率。通过将中性导线设置在低温恒温器之外,从而可将冷却设备的冷却功率减少到用于冷却三根相导线的正常运行水平。由于电缆的尺寸基于中性导线设置在低温恒温器之外也变得更小,可同样减小低温恒温器的尺寸,材料耗费也相应减小。
附图说明
本发明技术方案的具体实施方式在下面的附图中示出,附图中:
图1和图2分别为带有超导电缆和低温恒温器的输电***的两种不同实施结构的横断面示图;
图3示出按照本发明的输电***。
具体实施方式
图1中示出带有超导电缆的输电***的断面,该超导电缆具有三根相互同心设置的超导相导线1,2和3,它们通过绝缘材料层4和5相对绝缘。围绕最外面的相导线3设有另一绝缘材料层6。最里面的相导线1围绕一个支撑体7设置,该支撑体在图示实施方式中设计为管。该支撑体7也可设计成实心的绳索。
所述超导电缆位于一个低温恒温器KR中,该低温恒温器也包封形成一个用于传输冷却介质的空腔HR。当支撑体7是管时,所述冷却介质也可附带地流过所述支撑体的管腔。低温恒温器KR例如由两个相互同心地间隔设置的金属管8和9组成,在这两个管之间设置有一个真空绝热层10。
在低温恒温器KR的外面设有一根为所有三根相导线1,2和3共用的例如铜制的中性导线11。该中性导线在图1所示输电***的实施形式中围绕低温恒温器KR,因此同时起到屏蔽层的作用。
该中性导线的设计结构也适用于图2所示输电***的实施形式,但在这种实施形式中,所述三根相导线1,2和3设计为相互分离的、分别被绝缘层包绕的导线。
与图1和2所示中性导线11的布置方式不同的是,图3中所示中性导线11作为带有绝缘层的圆导线铺设在低温恒温器KR一旁。该中性导线11然后例如可以设置在一个单独的保护管12中,该保护管12也可与低温恒温器KR连接。图3所示中性导线11的设置方式也适用于图1和2所示超导电缆的两种实施方式。
Claims (4)
1.一种输电***,带有包括三根相导线的超导电缆和包绕该三根相导线的低温恒温器,该低温恒温器包封一个用于传送冷却介质的空腔,其中,所述三根相导线有一根共用的中性导线,所述低温恒温器由一个环绕封闭的绝热壳套构成,其特征在于,
-所述中性导线(11)以本身公知的方式由普通导电材料制成并且设置在所述低温恒温器(KR)之外,并且
-所述中性导线(11)设计成带有绝缘层的圆导线并且铺设在所述低温恒温器(KR)一旁。
2.如权利要求1所述的输电***,其特征在于,所述中性导线(11)设置在单独的保护管(12)中。
3.如权利要求1或2所述的输电***,其特征在于,所述三根相导线(1,2,3)相对绝缘且相互同心地设置。
4.如权利要求1或2所述的输电***,其特征在于,所述三根相导线(1,2,3)设计为相互分离的、由绝缘皮包绕的导线。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10305487.0 | 2010-05-10 | ||
EP10305487A EP2387043A1 (de) | 2010-05-10 | 2010-05-10 | Übertragungssystem mit einem supraleitfähigen Kabel |
Publications (1)
Publication Number | Publication Date |
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CN102254618A true CN102254618A (zh) | 2011-11-23 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2011101147527A Pending CN102254618A (zh) | 2010-05-10 | 2011-05-05 | 带有超导电缆的输电*** |
Country Status (5)
Country | Link |
---|---|
US (1) | US8948831B2 (zh) |
EP (1) | EP2387043A1 (zh) |
JP (1) | JP2011238613A (zh) |
KR (1) | KR20110124165A (zh) |
CN (1) | CN102254618A (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2426676A1 (de) * | 2010-09-02 | 2012-03-07 | Nexans | Anordnung mit mindestens einem supraleitfähigen Kabel |
KR101978510B1 (ko) * | 2011-12-23 | 2019-05-15 | 엘에스전선 주식회사 | 초전도 케이블 |
EP2690737B1 (de) * | 2012-07-25 | 2017-08-30 | Nexans | Anordnung mit drei supraleitfähigen Phasenleitern |
US9140099B2 (en) * | 2012-11-13 | 2015-09-22 | Harris Corporation | Hydrocarbon resource heating device including superconductive material RF antenna and related methods |
US10068683B1 (en) | 2014-06-06 | 2018-09-04 | Southwire Company, Llc | Rare earth materials as coating compositions for conductors |
CN109818342B (zh) * | 2019-03-18 | 2024-01-23 | 广东电网有限责任公司 | 一种具有复合绝缘结构的超导限流器 |
US10805801B1 (en) * | 2019-10-02 | 2020-10-13 | International Business Machines Corporation | Automatic mobile device usage restriction |
KR20230129009A (ko) | 2020-11-18 | 2023-09-05 | 베어, 인크. | 현수형 초전도 전송 선로들 |
AU2021383680A1 (en) | 2020-11-18 | 2023-06-08 | VEIR, Inc. | Conductor systems for suspended or underground transmission lines |
JP2023552970A (ja) | 2020-11-18 | 2023-12-20 | ヴェイル,インコーポレイテッド | 超伝導電力伝送線路の冷却のためのシステム及び方法 |
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WO2004013868A2 (en) * | 2002-08-01 | 2004-02-12 | Southwire Company | Triaxial superconducting cable and termination therefor |
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2010
- 2010-05-10 EP EP10305487A patent/EP2387043A1/de not_active Withdrawn
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2011
- 2011-05-03 US US13/099,420 patent/US8948831B2/en not_active Expired - Fee Related
- 2011-05-05 CN CN2011101147527A patent/CN102254618A/zh active Pending
- 2011-05-09 JP JP2011104391A patent/JP2011238613A/ja active Pending
- 2011-05-09 KR KR1020110043677A patent/KR20110124165A/ko not_active Application Discontinuation
Patent Citations (7)
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JPH10223066A (ja) * | 1997-02-07 | 1998-08-21 | Fujikura Ltd | 超電導ケーブルの構造 |
WO2004013868A2 (en) * | 2002-08-01 | 2004-02-12 | Southwire Company | Triaxial superconducting cable and termination therefor |
CN1530967A (zh) * | 2003-03-10 | 2004-09-22 | 北京云电英纳超导电缆有限公司 | 具有双层冷却通道结构的热绝缘高温超导电缆 |
CN101142636A (zh) * | 2005-03-14 | 2008-03-12 | 住友电气工业株式会社 | 超导电缆和使用该超导电缆的dc电力传输 |
CN101164120A (zh) * | 2005-04-21 | 2008-04-16 | Nkt电缆乌尔特拉有限公司 | 超导多相电缆***、其制造方法及其使用 |
CN101136266A (zh) * | 2006-08-08 | 2008-03-05 | 尼克桑斯公司 | 具有超导性电缆的*** |
CN101354931A (zh) * | 2007-07-17 | 2009-01-28 | 尼克桑斯公司 | 超导电缆 |
Also Published As
Publication number | Publication date |
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JP2011238613A (ja) | 2011-11-24 |
EP2387043A1 (de) | 2011-11-16 |
KR20110124165A (ko) | 2011-11-16 |
US20110275521A1 (en) | 2011-11-10 |
US8948831B2 (en) | 2015-02-03 |
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