CN205751683U - Superconductive power cable - Google Patents
Superconductive power cable Download PDFInfo
- Publication number
- CN205751683U CN205751683U CN201620565174.7U CN201620565174U CN205751683U CN 205751683 U CN205751683 U CN 205751683U CN 201620565174 U CN201620565174 U CN 201620565174U CN 205751683 U CN205751683 U CN 205751683U
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- CN
- China
- Prior art keywords
- core
- superconducting core
- heat transfer
- sealing coat
- power cable
- 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.)
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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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- Superconductors And Manufacturing Methods Therefor (AREA)
Abstract
The utility model discloses superconductive power cable, it includes main superconducting core, loop superconducting core, heat transfer sealing coat, liquid nitrogen passage, electro-magnetic screen layer, conduction copper core and heat-insulation layer, described main superconducting core and described loop superconducting core are positioned at described heat transfer sealing coat, being liquid nitrogen passage between described heat transfer sealing coat and described electro-magnetic screen layer, described conduction copper core is between described electro-magnetic screen layer and described heat-insulation layer.This utility model compared with prior art, has the following advantages and effect: be capable of ac transmission and direct current transportation is carried out simultaneously, and do not affect.Power transmission efficiency can be improved, additionally it is possible to increase the adaptability used.
Description
Technical field
This utility model relates to a kind of cable, particularly to a kind of superconductive power cable, belongs to transmission of electricity power cable.
Background technology
Power cable is the cable for transmitting and distribute electric energy.Superconductive power cable can transmit the direct current of high electric current
Electricity, through-put power is high, and line loss is few, it is possible to realize the transmission of distance electric power.The most existing hyperconductive cable can only transmit unidirectional current,
Needing to use alternating current transmission in part occasion, that can only connect other cables again to transmit alternating current.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency present in prior art, and provides a kind of structure design to close
Reason, simple in construction, unidirectional current can either be transmitted and can transmit again the superconductive power cable of alternating current.
The technical scheme in the invention for solving the above technical problem is: this superconductive power cable include main superconducting core,
Loop superconducting core, heat transfer sealing coat, liquid nitrogen passage, electro-magnetic screen layer, conduction copper core and heat-insulation layer, described main superconducting core and described
Loop superconducting core is positioned at described heat transfer sealing coat, is liquid nitrogen passage between described heat transfer sealing coat and described electro-magnetic screen layer,
Described conduction copper core is between described electro-magnetic screen layer and described heat-insulation layer.Main superconducting core, loop superconducting core is had to be capable of
Direct supercurrent is transmitted electricity, and conducts electricity copper core and be capable of ac transmission.And electro-magnetic screen layer is capable of ac transmission and direct current is defeated
Do not disturb mutually between electricity, so that superconductive power cable can realize ac transmission and direct current transportation simultaneously.
As preferably, the electric current of main superconducting core described in the utility model and the sense of current of described loop superconducting core are contrary.
Realize producing between main superconducting core and loop superconducting core the counteracting in magnetic field.Reduce super main superconducting core and loop superconducting core and liquid nitrogen
Between effect.Improve service life.
As preferably, in heat transfer sealing coat described in the utility model, it is provided with reinforcement.Improve the intensity of heat transfer sealing coat,
And the parts in heat transfer sealing coat can be fixed.
As preferably, the quantity of conduction copper core described in the utility model is 12.Surround whole electro-magnetic screen layer so that
Conducted power can be maximized.
As preferably, the inner wall smooth of electro-magnetic screen layer described in the utility model.Reduce the fluid resistance of liquid nitrogen.
This utility model compared with prior art, has the following advantages and effect: be capable of ac transmission and direct current is defeated
Electricity is carried out simultaneously, and does not affects.Power transmission efficiency can be improved, additionally it is possible to increase the adaptability used.
Accompanying drawing explanation
Fig. 1 is the structural representation of the superconductive power cable of this utility model embodiment.
Label declaration: main superconducting core 101, loop superconducting core 102, conduct heat sealing coat 103, liquid nitrogen passage 104, electromagnetic shielding
Layer 105, conduction copper core 106, heat-insulation layer 107.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following example are right
Explanation of the present utility model and this utility model is not limited to following example.
Seeing Fig. 1, the superconductive power cable of the present embodiment includes main superconducting core 101, loop superconducting core 102, heat transfer isolation
Layer 103, liquid nitrogen passage 104, electro-magnetic screen layer 105, conduction copper core 106 and heat-insulation layer 107.
In the present embodiment, main superconducting core 101 uses superconductor to make, it is possible to realize superconductive power transmission at low temperatures.And this
Superconductive power cable in embodiment can realize superconductive power transmission at a temperature of liquid nitrogen.The material of loop superconducting core 102 and master
The material of superconducting core 101 is the same.So loop superconducting core 102 also is able to realize superconductive power transmission.
In the present embodiment, the electric current of main superconducting core 101 and the sense of current of loop superconducting core 102 are contrary.Because superconduction is defeated
Electricity, the most all uses direct current transportation, and the magnetic field of direct current transportation is metastable.If the electric current of main superconducting core 101 and loop
The sense of current of superconducting core 102 is contrary, and magnetic field and the magnetic field of loop superconducting core 102 generation that the most main superconducting core 101 produces also are
Contrary.Such that it is able to make the two magnetic field cancel each other, thus reduce the impact on liquid nitrogen.
In the present embodiment, the effect of heat transfer sealing coat 103 is the liquid nitrogen in isolation liquid nitrogen passage 104, and can be by master
Superconducting core 101, the heat of loop superconducting core 102 pass to liquid nitrogen.So the effect of heat transfer sealing coat 103 has two one isolation
Liquid nitrogen, one is transmission heat.So the material good thermal conduction as far as possible selected, and there is structural strength.The present embodiment
In heat transfer sealing coat 103 use low temperature reinforced plastics.Also alloy that can be low temperature resistant, such as super low-temperature resistant steel.Such as
ASTMA201, A202 etc..
In the present embodiment, liquid nitrogen passage 104 passes through for liquid nitrogen, owing to liquid nitrogen is in liquid nitrogen passage 104, so energy
Enough ensure that main superconducting core 101, loop superconducting core 102 keep at low temperatures so that main superconducting core 101, loop superconducting core 102 have
The characteristic of superconduction.
In the present embodiment, electro-magnetic screen layer 105, for shielding electromagnetic property, generally uses conductive material and makes, this
Embodiment uses aluminum.Electro-magnetic screen layer 105 can shield main superconducting core 101, the electric current of loop superconducting core 102 and conduction copper core
Electric current in 106.Realize the mutually isolated of electromagnetism between them.
In the present embodiment, conduction copper core 106 is used for leading alternating current, it is achieved ac conduction.In the present embodiment, conduction copper core
The quantity of 106 is 12, it is possible to forms four and transmits electricity three-phase alternating current, it is achieved bulk power transmission.
In the present embodiment, heat-insulation layer 107 is capable of superconductive power cable and the isolation of extraneous heat, in the present embodiment,
Use flame-proof polyvinyl chloride.
In the present embodiment, main superconducting core 101 and loop superconducting core 102 are positioned at heat transfer sealing coat 103, and conduct heat sealing coat
Be liquid nitrogen passage 104 between 103 and electro-magnetic screen layer 105, conduction copper core 106 be positioned at electro-magnetic screen layer 105 and heat-insulation layer 107 it
Between.
In the present embodiment, in heat transfer sealing coat 103, it is provided with reinforcement.Reinforcement is two elastic strip knots
Structure, list structure is fixed on the inwall of heat transfer sealing coat 103, and list structure has elasticity, and list structure extrudes main superconducting core
101 and loop superconducting core 102, it is achieved to main superconducting core 101, loop superconducting core 102 fixing, and to heat transfer sealing coat 103
Intensity support.
In the present embodiment, the inner wall smooth of electro-magnetic screen layer 105.The flow resistance of liquid nitrogen can be reduced, it is achieved energy-conservation
Effect.
Superconductive power cable in the present embodiment uses process as follows, and main superconducting core 101 and loop superconducting core 102 carry phase
Anti-unidirectional current, liquid nitrogen passage 104 is passed through liquid nitrogen, it is achieved the reduction of temperature, then conduction copper core 106 indirect current, then just
Unidirectional current can be realized and alternating current is transmitted electricity simultaneously.
Above content described in this specification is only to this utility model example explanation.This utility model
Described specific embodiment can be made various amendment or supplements or use class by person of ordinary skill in the field
As mode substitute, without departing from the content of this utility model description or surmount model defined in the claims
Enclose, protection domain of the present utility model all should be belonged to.
Claims (5)
1. a superconductive power cable, it is characterised in that: include that main superconducting core, loop superconducting core, heat transfer sealing coat, liquid nitrogen lead to
Road, electro-magnetic screen layer, conduction copper core and heat-insulation layer, described main superconducting core and described loop superconducting core are positioned at described heat transfer sealing coat
In, it is liquid nitrogen passage between described heat transfer sealing coat and described electro-magnetic screen layer, described conduction copper core is positioned at described electromagnetic shielding
Between layer and described heat-insulation layer.
Superconductive power cable the most according to claim 1, it is characterised in that: the electric current of described main superconducting core and described loop
The sense of current of superconducting core is contrary.
Superconductive power cable the most according to claim 1, it is characterised in that: it is provided with reinforcement in described heat transfer sealing coat
Part.
Superconductive power cable the most according to claim 1, it is characterised in that: the quantity of described conduction copper core is 12.
Superconductive power cable the most according to claim 1, it is characterised in that: the inner wall smooth of described electro-magnetic screen layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620565174.7U CN205751683U (en) | 2016-06-13 | 2016-06-13 | Superconductive power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620565174.7U CN205751683U (en) | 2016-06-13 | 2016-06-13 | Superconductive power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205751683U true CN205751683U (en) | 2016-11-30 |
Family
ID=57360131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620565174.7U Expired - Fee Related CN205751683U (en) | 2016-06-13 | 2016-06-13 | Superconductive power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205751683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729079A (en) * | 2019-09-17 | 2020-01-24 | 中国电力科学研究院有限公司 | Superconducting power transmission cable and superconducting power transmission cable system |
-
2016
- 2016-06-13 CN CN201620565174.7U patent/CN205751683U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729079A (en) * | 2019-09-17 | 2020-01-24 | 中国电力科学研究院有限公司 | Superconducting power transmission cable and superconducting power transmission cable system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20190613 |