CN109887669A - 一种提高输电效率的方法 - Google Patents
一种提高输电效率的方法 Download PDFInfo
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- CN109887669A CN109887669A CN201711273898.XA CN201711273898A CN109887669A CN 109887669 A CN109887669 A CN 109887669A CN 201711273898 A CN201711273898 A CN 201711273898A CN 109887669 A CN109887669 A CN 109887669A
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- power transmission
- transmission efficiency
- improving power
- temperature
- refrigeration cycle
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/04—Concentric cables
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- Insulated Conductors (AREA)
Abstract
本发明描述了一种提高输电效率的方法,主要应用于电力传输领域。当通电导体在有电流通过时,会产生焦耳热,造成能量损耗。焦耳热的大小和导线电阻成正比,而导线电阻通常受到温度的影响,随着温度的降低而降低。本发明使用分段式制冷循环来进行电缆降温,使得电缆电阻下降以降低输电导线焦耳损耗的方法。
Description
技术领域:
本发明主要运用于电力传输领域。
背景技术:
本发明主要涉及的背景技术包括电流热效应和制冷。
发明内容:
在电流流经导线时会产生热量,使得输电导线温度升高,而通常导线在温度升高的同时,电阻率会增大,从而使得导线上的电压损耗增大。
本发明在输电线路中引入了制冷循环来降低导线的温度。
具体实现方案如下:
在输电中继节点上,加入制冷系统和压力泵。
对于多芯铠装电缆,其中可以加入若干根绝缘空管,用于传输导热流体。电缆中的绝缘管接入压力泵形成循环,用于给电缆降温。
对于同轴电缆其里层绝缘体和外层绝缘体设计成中空结构用于传输导热流体。相应接入压力泵形成制冷循环。
Claims (3)
1.一种提高输电效率的方法,其特征是利用制冷循环来降低输电介质的温度。
2.根据权利要求1所述方法,其中:
对于铠装电缆的制冷循环设计。
3.根据权利要求1所述方法,其中:
对于同轴电缆的制冷循环设计。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711273898.XA CN109887669A (zh) | 2017-12-06 | 2017-12-06 | 一种提高输电效率的方法 |
PCT/CN2018/114446 WO2019109774A1 (zh) | 2017-12-06 | 2018-11-08 | 一种提高输电效率的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711273898.XA CN109887669A (zh) | 2017-12-06 | 2017-12-06 | 一种提高输电效率的方法 |
Publications (1)
Publication Number | Publication Date |
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CN109887669A true CN109887669A (zh) | 2019-06-14 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711273898.XA Pending CN109887669A (zh) | 2017-12-06 | 2017-12-06 | 一种提高输电效率的方法 |
Country Status (2)
Country | Link |
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CN (1) | CN109887669A (zh) |
WO (1) | WO2019109774A1 (zh) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA3025028A1 (en) * | 2016-05-20 | 2017-11-23 | Southwire Company, Llc | Liquid cooled charging cable system |
CN106024171A (zh) * | 2016-06-14 | 2016-10-12 | 长沙汉河电缆有限公司 | 高效节能电缆和电缆循环冷却系统 |
CN106782835B (zh) * | 2016-12-20 | 2019-07-16 | 深圳宝兴电线电缆制造有限公司 | 电动汽车大电流充电电缆 |
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2017
- 2017-12-06 CN CN201711273898.XA patent/CN109887669A/zh active Pending
-
2018
- 2018-11-08 WO PCT/CN2018/114446 patent/WO2019109774A1/zh active Application Filing
Also Published As
Publication number | Publication date |
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WO2019109774A1 (zh) | 2019-06-13 |
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PB01 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190614 |
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WD01 | Invention patent application deemed withdrawn after publication |