CN111243793A - 35kV optical fiber composite cold insulation superconducting power cable - Google Patents
35kV optical fiber composite cold insulation superconducting power cable Download PDFInfo
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- CN111243793A CN111243793A CN202010187890.7A CN202010187890A CN111243793A CN 111243793 A CN111243793 A CN 111243793A CN 202010187890 A CN202010187890 A CN 202010187890A CN 111243793 A CN111243793 A CN 111243793A
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- 238000009413 insulation Methods 0.000 title claims abstract description 37
- 239000013307 optical fiber Substances 0.000 title claims abstract description 21
- 239000002131 composite material Substances 0.000 title claims abstract description 19
- 239000004020 conductor Substances 0.000 claims abstract description 20
- 230000003287 optical effect Effects 0.000 claims abstract description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052802 copper Inorganic materials 0.000 claims abstract description 15
- 239000010949 copper Substances 0.000 claims abstract description 15
- 239000010410 layer Substances 0.000 claims description 84
- 238000004804 winding Methods 0.000 claims description 11
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 9
- 239000011247 coating layer Substances 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000002356 single layer Substances 0.000 claims description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 229910015901 Bi-Sr-Ca-Cu-O Inorganic materials 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 229910001080 W alloy Inorganic materials 0.000 claims description 6
- 229910052797 bismuth Inorganic materials 0.000 claims description 6
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 6
- 239000011241 protective layer Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 230000004087 circulation Effects 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 15
- 230000008054 signal transmission Effects 0.000 abstract description 6
- 239000002887 superconductor Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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Classifications
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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
-
- 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
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- 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
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
-
- 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
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/005—Power cables including optical transmission elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
-
- 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 invention discloses a 35kV optical fiber composite cold insulation superconducting power cable which sequentially comprises a multi-core multi-mode optical cable, a support body, a first electric insulation layer, a multi-layer wound superconducting conductor, a second electric insulation layer, a superconducting shielding layer, a double heat insulation layer and an outer protection layer from inside to outside. The method can fill the function expansion of the superconducting cable, integrates optical fiber signal transmission and high-temperature superconducting power transmission, has large transmission capacity and low loss, and can solve the problems of broadband access, electric energy transmission and signal transmission; the high-temperature superconducting tape of an advanced copper system is used as a superconductor, the structure is reasonably designed, the rated voltage is 35kV, the current density is 10kA, the current use capacity is 35000MVA, and the current capacity is large.
Description
Technical Field
The invention relates to the technical field of cables for cold insulation high-temperature superconducting power transmission, optical fiber broadband access and signal transmission, in particular to an optical fiber composite cold insulation superconducting power cable with the voltage of 35 kV.
Background
The superconducting cable is designed and manufactured by utilizing the characteristics that the superconductivity becomes a superconducting state at the critical temperature, the resistance disappears, the loss is extremely low, the current density is high, and the large current can be carried. The transmission capacity of the cable far exceeds that of an oil-filled cable and is also larger than that of a low-temperature cable, and the transmission capacity can reach more than 10000MVA, so that the cable is a novel cable which is being researched and developed vigorously. Since the critical temperature of superconductors is generally below 20K, superconducting cables typically operate in 4.2K of liquid helium. The structure of the superconducting cable has two forms of rigidity and flexibility, and the cable core is divided into a single core and three cores. The superconducting cable is an important way for solving the problem of high-capacity and low-loss power transmission, and because the potential advantages of the superconducting cable are so attractive, scientific and technological workers in various countries are carrying out a great deal of research and development work.
At present, several countries with better superconducting research and application, such as the United states, Japan, Germany, Denmark and China, have developed practical high-temperature superconducting cables to be operated in a power line in a network, and the recorded operation reaches the technical requirements at present.
The high temperature superconducting cable developed by the above countries and companies is also used for pure power transmission, and the functions of the cable are not expanded, such as signal, power composite cable, monitoring and power transmission composite cable, and the like.
With the explosion of communication services, telephone services in communication network services are in a steady growth trend, data services are in an exponential growth situation, and multimedia such as voice, data and images are required to be transmitted, so that larger network capacity and wider bandwidth are required. The photoelectric composite cable designed and produced by our company is suitable for being used as a transmission line in a broadband access network system, is a novel access mode, integrates optical fibers and transmission conductors, and can solve the problems of broadband access, electric energy transmission and signal transmission. The main part of the high-temperature superconducting cable of the product adopts an advanced copper-based high-temperature superconducting tape as a superconductor, the design is reasonable, the rated voltage is 35kV, the current density is 10kA, the current use capacity is 35000MVA, the current capacity exceeds the world level of the same year, and the research, development and application of the Chinese superconducting cable can be in the first echelon in the world after industrialization.
Disclosure of Invention
The invention aims to make up for the defects of the prior art and provides an optical fiber composite cold insulation superconducting power cable with the voltage of 35 kV.
The invention is realized by the following technical scheme:
a35 kV optical fiber composite cold insulation superconducting power cable sequentially comprises a multi-core multi-mode optical cable, a support body, a first electric insulation layer, a multi-layer wound superconducting conductor, a second electric insulation layer, a superconducting shielding layer, a double heat insulation layer and an outer protective layer from inside to outside.
Multicore multimode optical cable including four-core multimode optical cable, every core multimode optical cable is including the fibre core, be equipped with high-purity silica cladding and coating one in proper order in the outside of fibre core, it has double-deck ultraviolet curing acrylate buffer layer to wrap in the outside after stranding four fibre cores, coating two outside the buffer layer, the crowded package of coating is outside has loose tube layer, it has cable paper to wrap around covering one in proper order outside loose tube layer, PPLP area one, PI film and cable paper are around covering two, cable paper is around covering one, PPLP area one, PI film and cable paper are around 3 circulations of covering two in proper order.
The first coating layer is soft acrylate; and the second coating layer is hard ultraviolet curing cross-linked acrylate.
The support body is 240mm2The soft copper trapezoidal conductor is tightly pressed and twisted on the outer layer of the multi-core multi-mode optical cable, and the surface of the conductor is smooth and flat without convex fillets. The support body of the soft copper conductor can support a superconducting layer of the superconducting cable, can lead out heat generated by current in normal use, and can shunt fault current at the position when a fault occurs.
Electric insulation layer one and electric insulation layer two all be from inside to outside in proper order for cable paper around covering three, PPLP area two, PI film two and cable paper around covering four, the gross thickness is 4.4mm, every layer is around covering opposite direction, around 5 circulations, thickness reaches the designing requirement.
The multilayer winding superconducting conductor is a Bi-Sr-Ca-Cu-O bismuth system coating superconducting tape with the width of the superconducting tape being 2.5mm and the thickness of 1.0mm, the base tape material is an NI-W alloy tape, the multilayer winding superconducting conductor is wound in a double-layer structure, and the winding directions of all layers are opposite.
The superconducting shielding layer is a single-layer superconducting tape wound on the second electric insulation layer, the single-layer superconducting tape is a Bi-Sr-Ca-Cu-O bismuth system film-coated superconducting tape with the width of 2.5mm and the thickness of 1.0mm, the base tape is made of an NI-W alloy tape wound, and a layer of copper tape with the thickness of 0.1mm is reversely wound outside the base tape.
The double heat insulation layers are formed by longitudinally wrapping an inner stainless steel belt and an outer stainless steel belt with argon arc welding binding grains, the stainless steel belts and the inner binding tubes are adopted, one layer of aluminum foil is wrapped around the inner binding tubes, and then the outer heat insulation layers are longitudinally wrapped and the binding grains are formed.
The outer protective layer is a halogen-free low-smoke flame-retardant polyolefin sheath.
The invention has the advantages that: the method can fill the function expansion of the superconducting cable, integrates optical fiber signal transmission and high-temperature superconducting power transmission, has large transmission capacity and low loss, and can solve the problems of broadband access, electric energy transmission and signal transmission; the high-temperature superconducting tape of an advanced copper system is used as a superconductor, the structure is reasonably designed, the rated voltage is 35kV, the current density is 10kA, the current use capacity is 35000MVA, and the current capacity is large.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of a four-core multimode optical cable.
Detailed Description
As shown in fig. 1, the optical fiber composite cold insulation superconducting power cable with the voltage of 35kV sequentially comprises a multi-core multi-mode optical cable 1, a support body 2, an electric insulation layer one 3, a multi-layer wound superconducting conductor 4, an electric insulation layer two 5, a superconducting shielding layer 6, a double heat insulation layer 7 and an outer protective layer 8 from inside to outside.
As shown in fig. 2, the multi-core multi-mode optical cable 1 includes a four-core multi-mode optical cable, each multi-core multi-mode optical cable includes a fiber core 9, a high-purity silica cladding 10 and a coating layer one 11 are sequentially arranged on the outer side of the fiber core 9, a double-layer ultraviolet curing acrylate buffer layer 12 is wrapped on the outer side of the stranded four fiber cores, a coating layer two 13 is arranged outside the buffer layer, a loose tube layer 14 is extruded outside the coating layer two 13, a cable paper wrapping layer one 15, a PPLP tape one 16, a PI film 17 and a cable paper wrapping layer two 18 are sequentially wrapped outside the loose tube layer 14, the cable paper wrapping layer one 15, the PPLP tape one 16, the PI film 17 and the cable paper wrapping layer two 18 are sequentially wrapped for 3 cycles, and the thickness is 2.5 mm. The outer diameter of the whole optical cable is 8.0 mm. The core 9 is an 50/125 μm multimode optical fiber. The diameter of the loose tube layer 14 is 1.5-2 mm, and the wall thickness is 0.2-0.3 mm
The first coating layer 11 is soft acrylate and is only a few micrometers thick; the second coating layer 13 is formed by hard ultraviolet light curing cross-linked acrylate with the thickness of 60 mu m.
The support body 2 is 240mm2The soft copper trapezoidal conductor is tightly pressed and twisted on the outer layer of the multi-core multi-mode optical cable, and the surface of the conductor is smooth and flat without convex fillets. The support body of the soft copper conductor can support a superconducting layer of the superconducting cable, can lead out heat generated by current in normal use, and can shunt fault current at the position when a fault occurs. Calculated from the short-circuit current, the copper conductor is 240mm2Short-circuit current is 10.11kA, design requirements are met, and a support body is 240mm2The soft copper trapezoidal conductor is tightly pressed and twisted, the outer diameter is 18.5mm, the outer surface has no convex fillet, and the soft copper trapezoidal conductor is smooth and flat.
The multilayer winding superconducting conductor 4 is a Bi-Sr-Ca-Cu-O bismuth system film coating superconducting tape with the superconducting tape width of 2.5mm and the thickness of 1.0mm, the base tape material is an NI-W alloy tape, and the winding direction of each layer is opposite. The first layer is wound on the supporting body electric insulation layer in the right direction by calculating the number of the superconducting tapes as 23. The number of the superconducting tapes on the second layer is 25, and the superconducting tapes are wound in the left direction.
The superconducting shielding layer 6 is a single-layer superconducting tape wound on the second electric insulation layer, the single-layer superconducting tape is a Bi-Sr-Ca-Cu-O bismuth system film-coated superconducting tape with the width of 2.5mm and the thickness of 1.0mm, the base tape is made of an NI-W alloy tape wound, a layer of copper tape with the thickness of 0.1mm is wound in a reverse direction, 57 pieces of right-direction gaps are wound in the superconducting tape by calculation, a layer of copper tape with the thickness of 0.1mm is wound in the reverse direction, and the covering rate is not less than 5%.
The double heat insulation layers 7 are stainless steel strips longitudinally wrapped with argon arc welding prick grains, the stainless steel strips with the thickness of 0.8mm are adopted, single-layer gaps between the inner-layer pricked grain pipes and the superconducting shielding layer are 2-3 mm, one layer of aluminum foil with the thickness of 0.05 is wrapped around the inner-layer pricked grain pipes, then the outer heat insulation layers are longitudinally wrapped with the aluminum foil, and gaps between the inner heat insulation layers and the outer heat insulation layers are 1-2 mm.
The outer protective layer 8 is a halogen-free low-smoke flame-retardant polyolefin sheath.
Claims (9)
1. The utility model provides a voltage 35kV optical fiber composite cold insulation superconducting power cable which characterized in that: the cable sequentially comprises a multi-core multi-mode optical cable, a support body, a first electric insulation layer, a multi-layer wound superconducting conductor, a second electric insulation layer, a superconducting shielding layer, a double heat insulation layer and an outer protective layer from inside to outside.
2. The optical fiber composite cold-insulated superconducting power cable with the voltage of 35kV according to claim 1, wherein: multicore multimode optical cable including four-core multimode optical cable, every core multimode optical cable is including the fibre core, be equipped with high-purity silica cladding and coating one in proper order in the outside of fibre core, it has double-deck ultraviolet curing acrylate buffer layer to wrap in the outside after stranding four fibre cores, coating two outside the buffer layer, the crowded package of coating is outside has loose tube layer, it has cable paper to wrap around covering one in proper order outside loose tube layer, PPLP area one, PI film and cable paper are around covering two, cable paper is around covering one, PPLP area one, PI film and cable paper are around 3 circulations of covering two in proper order.
3. The optical fiber composite cold-insulated superconducting power cable with the voltage of 35kV according to claim 2, wherein: the first coating layer is soft acrylate; and the second coating layer is hard ultraviolet curing cross-linked acrylate.
4. The optical fiber composite cold-insulated superconducting power cable with the voltage of 35kV according to claim 1, wherein: the support body is 240mm2The soft copper trapezoidal conductor is tightly pressed and stranded on the outer layer of the multi-core multi-mode optical cable.
5. The optical fiber composite cold-insulated superconducting power cable with the voltage of 35kV according to claim 1, wherein: and the first electric insulating layer and the second electric insulating layer are respectively a third cable paper winding layer, a second PPLP tape, a second PI film and a fourth cable paper winding layer from inside to outside, and each layer of the electric insulating layer and the second electric insulating layer are opposite in winding direction and 5 loops of the electric insulating layer and the PI film.
6. The optical fiber composite cold-insulated superconducting power cable with the voltage of 35kV according to claim 1, wherein: the multilayer winding superconducting conductor is a Bi-Sr-Ca-Cu-O bismuth system coating superconducting tape with the width of the superconducting tape being 2.5mm and the thickness of 1.0mm, the base tape material is an NI-W alloy tape, the multilayer winding superconducting conductor is wound in a double-layer structure, and the winding directions of all layers are opposite.
7. The optical fiber composite cold-insulated superconducting power cable with the voltage of 35kV according to claim 1, wherein: the superconducting shielding layer is a single-layer superconducting tape wound on the second electric insulation layer, the single-layer superconducting tape is a Bi-Sr-Ca-Cu-O bismuth system film-coated superconducting tape with the width of 2.5mm and the thickness of 1.0mm, the base tape is made of an NI-W alloy tape wound, and a layer of copper tape with the thickness of 0.1mm is reversely wound outside the base tape.
8. The optical fiber composite cold-insulated superconducting power cable with the voltage of 35kV according to claim 1, wherein: the double heat insulation layers are formed by longitudinally wrapping an inner stainless steel belt and an outer stainless steel belt with argon arc welding binding grains, the stainless steel belts and the inner binding tubes are adopted, one layer of aluminum foil is wrapped around the inner binding tubes, and then the outer heat insulation layers are longitudinally wrapped and the binding grains are formed.
9. The optical fiber composite cold-insulated superconducting power cable with the voltage of 35kV according to claim 1, wherein: the outer protective layer is a halogen-free low-smoke flame-retardant polyolefin sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010187890.7A CN111243793A (en) | 2020-03-17 | 2020-03-17 | 35kV optical fiber composite cold insulation superconducting power cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010187890.7A CN111243793A (en) | 2020-03-17 | 2020-03-17 | 35kV optical fiber composite cold insulation superconducting power cable |
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| CN111243793A true CN111243793A (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010187890.7A Pending CN111243793A (en) | 2020-03-17 | 2020-03-17 | 35kV optical fiber composite cold insulation superconducting power cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114283993A (en) * | 2021-12-30 | 2022-04-05 | 东部超导科技（苏州）有限公司 | Production protection device of photoelectric composite superconducting cable integrated with optical fibers |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994022039A1 (en) * | 1993-03-16 | 1994-09-29 | W.L. Gore & Associates, Inc. | Fiber optic coaxial cable and assembly with a connector |
| US20090087154A1 (en) * | 2007-09-28 | 2009-04-02 | Bradley Kelvin B | Optical fiber cables |
| CN107358997A (en) * | 2017-07-06 | 2017-11-17 | 中天科技装备电缆有限公司 | Deep-sea system replies conjunction watertight cable by cable with multi-core optical |
| CN110797149A (en) * | 2019-12-13 | 2020-02-14 | 河北环亚线缆有限公司 | 35kV/10kA cold insulation superconducting three-phase coaxial power cable |
| CN211529695U (en) * | 2020-03-17 | 2020-09-18 | 东方交联电力电缆有限公司 | 35kV optical fiber composite cold insulation superconducting power cable |
-
2020
- 2020-03-17 CN CN202010187890.7A patent/CN111243793A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994022039A1 (en) * | 1993-03-16 | 1994-09-29 | W.L. Gore & Associates, Inc. | Fiber optic coaxial cable and assembly with a connector |
| US20090087154A1 (en) * | 2007-09-28 | 2009-04-02 | Bradley Kelvin B | Optical fiber cables |
| CN107358997A (en) * | 2017-07-06 | 2017-11-17 | 中天科技装备电缆有限公司 | Deep-sea system replies conjunction watertight cable by cable with multi-core optical |
| CN110797149A (en) * | 2019-12-13 | 2020-02-14 | 河北环亚线缆有限公司 | 35kV/10kA cold insulation superconducting three-phase coaxial power cable |
| CN211529695U (en) * | 2020-03-17 | 2020-09-18 | 东方交联电力电缆有限公司 | 35kV optical fiber composite cold insulation superconducting power cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114283993A (en) * | 2021-12-30 | 2022-04-05 | 东部超导科技（苏州）有限公司 | Production protection device of photoelectric composite superconducting cable integrated with optical fibers |
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