CN105761828B - A kind of core photoelectric composite submarine cables of rated voltage 220kV two - Google Patents
A kind of core photoelectric composite submarine cables of rated voltage 220kV two Download PDFInfo
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- CN105761828B CN105761828B CN201610277147.4A CN201610277147A CN105761828B CN 105761828 B CN105761828 B CN 105761828B CN 201610277147 A CN201610277147 A CN 201610277147A CN 105761828 B CN105761828 B CN 105761828B
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- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 239000004020 conductor Substances 0.000 claims abstract description 47
- 230000004888 barrier function Effects 0.000 claims abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- 230000004224 protection Effects 0.000 claims abstract description 9
- 229920013674 Lumarith Polymers 0.000 claims abstract description 8
- SMEGJBVQLJJKKX-HOTMZDKISA-N [(2R,3S,4S,5R,6R)-5-acetyloxy-3,4,6-trihydroxyoxan-2-yl]methyl acetate Chemical compound CC(=O)OC[C@@H]1[C@H]([C@@H]([C@H]([C@@H](O1)O)OC(=O)C)O)O SMEGJBVQLJJKKX-HOTMZDKISA-N 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims abstract description 7
- 238000012856 packing Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims description 6
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- -1 poly ethylene Polymers 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- BLDFSDCBQJUWFG-UHFFFAOYSA-N 2-(methylamino)-1,2-diphenylethanol Chemical compound C=1C=CC=CC=1C(NC)C(O)C1=CC=CC=C1 BLDFSDCBQJUWFG-UHFFFAOYSA-N 0.000 claims description 3
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- 229910001080 W alloy Inorganic materials 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 229920001179 medium density polyethylene Polymers 0.000 claims description 3
- 239000004701 medium-density polyethylene Substances 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 239000013535 sea water Substances 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 239000010445 mica Substances 0.000 description 9
- 229910052618 mica group Inorganic materials 0.000 description 9
- 229920001971 elastomer Polymers 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009954 braiding Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- 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
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/14—Submarine cables
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/228—Metal braid
-
- 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
-
- 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
-
- 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
Landscapes
- Insulated Conductors (AREA)
Abstract
A kind of core photoelectric composite submarine cables of rated voltage 220kV two, including cable core and sheath, cable core includes Electric control core, communication core and gasket for packing, power cable core includes conductor, and conductor includes copper wire wire and aluminum conductor, and aluminum conductor is arranged on conductor center, copper wire wire is arranged between the copper wire wire, conductor shield is set outside conductor, insulating barrier is set outside screen layer, waterstop is set outside insulating barrier；Communication core is arranged on around the power cable core；Cushion, lead set, non metallic sheath, lumarith, armor and armouring external protection, metal oversheath are set gradually outside cable core.The excellent water-impervious of the cable, seawater corrosion resistance, resistance to external water pressure, proof voltage thermal shock and tension bending property, service life length, reliability is high, improves the availability of electric power and can reduce oceanic area occupancy.
Description
Technical field
The present invention relates to a kind of cable, and in particular to a kind of core photoelectric composite submarine cables of rated voltage 220kV two.
Background technology
With the reinforcement of China's offshore oil exploitation dynamics and the continuous progress of oil exploitation technology, offshore oil exploitation obtains
Obtained fast development.Sea electric power cable due to installed in the complicated seabed of environment, for a long time by sea beat, seawater corrosion and
Many X factors are influenceed, and it is designed, manufacture and installation requirement are all significantly larger than common cable, and sea electric power cable pair
The length of its service life has been largely fixed in the effect quality to block water.
The Chinese invention patent that date of publication is the A of CN 104681178, date of publication is on June 3rd, 2015 discloses a kind of resistance to
High-temperature cable, it includes the belting layer of some composition cable cores and extrusion molding outside conductor wire core, also wrapped up successively outside belting layer
There are screen layer, insulating barrier and PVC rubber protecting jackets, the side on the outside of the screen layer is additionally provided with thermal insulation layer, the insulation
One layer of fireprotection layer is wrapped up between layer and the PVC rubber protecting jackets, the fireprotection layer is circular mutually circumscribed by some cross sections
Fire guard arrange successively composition.Fire guard is made up of the organosilicon and polyvinyl chloride of addition mica；The thermal insulation layer be containing
The glass fibre of graphite particle；The screen layer forms for the annealed Al-alloy braiding of electroplating surfaces with tin.Using the electricity of said structure
Cable, although working 4 hours under 150 DEG C of high temperature, cable is flexible not enough, it is impossible to meets the working environment in seabed.
The Chinese invention patent that date of publication is CN 103730197A, date of publication is on April 16th, 2014 discloses one kind
Flexible cable, including copper core stranded conductor, insulating barrier, copper core stranded conductor and insulating barrier are set in the outside of copper core stranded conductor
Insulated wire cores are formed, more insulated wire cores are twisted into cable core, and the gap and cable core between cable core are externally provided with packed layer, belting layer,
The belting layer includes Mica tape layer and the wrapped layer of glass fiber band lapping layer on Mica tape layer, in the glass
Armor is set outside band lapping layer, restrictive coating is set outside the armor.Insulating barrier be by Mica tape 5 layers form.Institute
State packed layer to fill for flame resistant filler rope, Mica tape layer is wrapped on packed layer.The armor uses copper sheathing screw thread armour
Dress.Restrictive coating is to be extruded to form by 125 DEG C of Low-smoke halogen-free flame retardant thermoplastic polyurethane elastomer (TPU) materials.Using above-mentioned knot
The cable of structure, although ensure that the softness of cable, it can not work in high temperature environments, it is impossible to meet automatic submerged arc welding
The use demand of machine.
The A of publication number CN 102394153, the date of publication 2012 year 03 month Chinese invention patent of 28 days disclose a kind of resistance to
The flexible cable of high temperature, from outside to inside including sheath, rubber layer and sheath, multiply composite conductor knot is provided with sheath
Structure, each described composite conductor structure include conductor, mica layer, insulating barrier and coat of metal；Conductor outer wrapping mica layer,
Mica layer outer wrapping insulating barrier, insulating barrier outer wrapping coat of metal.Coat of metal is soft stainless steel band.Conductor
Drainage thread is set.Conductor outer wrapping drainage thread, drainage thread outer wrapping mica layer.The cable of said structure, although can be with resistance to 1000
High temperature more than DEG C, good pliability is provided simultaneously with, the splashing of high-temperature molten steel can be born, meet actual operation requirements, but
It is the working environment that can not meet seabed.
Therefore, it is necessary to a kind of core photoelectric composite submarine cables of rated voltage 220kV two.
The content of the invention
It is an object of the invention to provide a kind of core photoelectric composite submarine cables of rated voltage 220kV two, the cable are excellent
Water-impervious, seawater corrosion resistance, resistance to external water pressure, proof voltage thermal shock and tension bending property, service life length, reliability
Height, improve the availability of electric power and oceanic area occupancy can be reduced.
The purpose of the present invention is achieved through the following technical solutions, a kind of core photoelectric composite seas of rated voltage 220kV two
Bottom cable, including cable core and sheath, it is characterized in that, the cable core includes Electric control core, communication core and gasket for packing,
Electric control core includes conductor, and conductor includes copper wire wire and aluminum conductor, and aluminum conductor is arranged on conductor center, and copper wire wire is set
Put around the aluminum conductor, conductor shield is set outside conductor, insulating barrier is set outside conductor shield, resistance is set outside insulating barrier
Water band；Communication core is arranged on around the Electric control core；Set gradually outside cable core cushion, lead set, non metallic sheath,
Lumarith, armor and armouring external protection, metal oversheath；The gasket for packing material is modified polypropene, modified poly- second
Alkene or modified polyvinyl chloride；The non metallic sheath is semiconductive MDPE；The lumarith is brass band；The armor is steel
Silk braiding armor.
Preferably, the metal oversheath is lead, tin, tungsten alloy, and the lead, tin, the weight ratio of tungsten are 100：
（0.65-0.80）：（0.40-0.60）.
Preferably, the armouring external protection is pitch outer casing of the polypropylene rope as internal stiffeners.
Preferably, the conductor shielding layer material is the mixture of EVA, EBA or EMA and carbon black.
Compared with prior art, the invention has the advantages that：
First, rated voltage 220kV three core photoelectric composite submarine cables phase equilibrium when in use, to armouring material
Material does not require, will not cause the magnetic loss of armor, improves the availability of electric power, and shared oceanic area is than equal
The single extra large cable of specification greatly reduces.
Second, lead set, non metallic sheath, oversheath can inherently play a part of radial water-resisting, so as to the present invention's
Cable can be realized reliably to block water entirely, when sea electric power cable hinders and intake for some reason, even being pressed by hundreds of meters of depth of waters
Power, seawater can not also enter inside cable along the gap of conductor, so as to realize longitudinal water-blocking, reduce extra large cable and scrap length.
3rd, the present invention can both avoid loss caused by being vortexed magnetic hysteresis, and increased current-carrying capacity every magnetic, and mechanical strength is big, and
Cost is low, and has excellent anti-seawater corrosion performance, and the long-term security operation for cable is very beneficial.
Brief description of the drawings
Fig. 1 is the structural representation of the core photoelectric composite submarine cables of rated voltage 220kV two of the present invention；
In figure：1 conductor, 2 cushions, 3 lead sets, 4 non metallic sheaths, 5 lumariths, 6 armors, 7 armouring external protections, 8
Metal oversheath, 10 copper wire wires, 11 aluminum conductors, 12 conductor shields, 13 insulating barriers, 14 waterstops, 20 communication cores.
Embodiment
The invention will be further described with reference to the accompanying drawings and detailed description.
As shown in figure 1, a kind of core photoelectric composite submarine cables of rated voltage 220kV two, including cable core and sheath, it is special
Sign is that the cable core, which includes Electric control core, communication core and gasket for packing, Electric control core, includes conductor 1, conductor 1
Including copper wire wire 10 and aluminum conductor 11, aluminum conductor is arranged on conductor center, and copper wire wire is arranged on around the aluminum conductor, led
It is external that conductor shield 12 is set, insulating barrier 13 is set outside conductor shield, waterstop 14 is set outside insulating barrier；Communicate core 20
It is arranged on around the Electric control core；Cushion 2, lead set 3, non metallic sheath 4, lumarith 5, armour are set gradually outside cable core
Fill layer 6 and armouring external protection 7, metal oversheath 8；The gasket for packing material is modified polypropene, modified poly ethylene or changed
Property polyvinyl chloride；The non metallic sheath 4 is semiconductive MDPE；The lumarith 5 is brass band；The armor 6 is steel wire
Weave armor.
Metal oversheath 8 is lead, tin, tungsten alloy, and the lead, tin, the weight ratio of tungsten are 100：0.65-0.80：
0.40-0.60。
The armouring external protection 7 is pitch outer casing of the polypropylene rope as internal stiffeners.
The material of the conductor shield 12 is the mixture of EVA, EBA or EMA and carbon black.
Rated voltage 220kV of the present invention three core photoelectric composite submarine cables phase equilibrium when in use, to armoring material
Do not require, the magnetic loss of armor will not be caused, improve the availability of electric power, and the same isotactic of shared oceanic area ratio
The single extra large cable of lattice greatly reduces.
The present invention can inherently play a part of radial water-resisting by lead set, non metallic sheath, oversheath, so as to this hair
Bright cable can be realized reliably to block water entirely, when sea electric power cable hinders and intake for some reason, even by hundreds of meters of depth of waters
Pressure, seawater can not also enter inside cable along the gap of conductor, so as to realize longitudinal water-blocking, reduce extra large cable and scrap length
Degree.
The present invention can both avoid loss caused by being vortexed magnetic hysteresis, and increased current-carrying capacity, mechanical strength is big, and cost every magnetic
It is low, and there is excellent anti-seawater corrosion performance, the long-term security operation for cable is very beneficial.
Only just the scheme of embodiments of the invention is described above, but is not to be construed as the limit to claim
System.The present invention is not only limited to above example, and its concrete structure allows a variety of changes, as long as the change in claims is all
Within protection scope of the present invention.
Claims (3)
1. a kind of core photoelectric composite submarine cables of rated voltage 220kV two, including cable core and sheath, it is characterized in that, the cable core
Include conductor including Electric control core, communication core and gasket for packing, Electric control core（1）, conductor（1）Including copper wire
Wire（10）With aluminum conductor（11）, aluminum conductor（11）It is arranged on conductor center, copper wire wire（10）It is arranged on the aluminum conductor
（11）Around, conductor shield is set outside conductor（12）, insulating barrier is set outside conductor shield（13）, setting blocks water insulating barrier outside
Band（14）；Communicate core（20）It is arranged on around the Electric control core；Cushion is set gradually outside cable core（2）, lead set
（3）, non metallic sheath（4）, lumarith（5）, armor（6）And armouring external protection（7）, metal oversheath（8）；It is described
Gasket for packing material is modified polypropene, modified poly ethylene or modified polyvinyl chloride；The non metallic sheath（4）For semiconductive
MDPE；The lumarith（5）For brass band；The armor（6）For steel wire woven armored layer；The metal oversheath（8）
For lead, tin, tungsten alloy, the lead, tin, the weight ratio of tungsten are 100：（0.65-0.80）：（0.40-0.60）.
2. the core photoelectric composite submarine cables of rated voltage 220kV two according to claim 1, it is characterized in that, the armouring
External protection（7）For pitch outer casing of the polypropylene rope as internal stiffeners.
3. the core photoelectric composite submarine cables of rated voltage 220kV two according to claim 1, it is characterized in that, the conductor
Screen layer（12）Material for EVA, EBA or EMA and carbon black mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610277147.4A CN105761828B (en) | 2016-04-30 | 2016-04-30 | A kind of core photoelectric composite submarine cables of rated voltage 220kV two |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610277147.4A CN105761828B (en) | 2016-04-30 | 2016-04-30 | A kind of core photoelectric composite submarine cables of rated voltage 220kV two |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105761828A CN105761828A (en) | 2016-07-13 |
| CN105761828B true CN105761828B (en) | 2018-03-23 |
Family
ID=56326243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610277147.4A Active CN105761828B (en) | 2016-04-30 | 2016-04-30 | A kind of core photoelectric composite submarine cables of rated voltage 220kV two |
Country Status (1)
| Country | Link |
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| CN (1) | CN105761828B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106057337A (en) * | 2016-07-30 | 2016-10-26 | 江苏远方电缆厂有限公司 | Below-35kV copper core and aluminum core coaxial composite plastic insulated cable |
| CN107118461A (en) * | 2017-04-28 | 2017-09-01 | 国网山东省电力公司平原县供电公司 | A kind of cable insulation Insulation Material and water-bed composite cable |
| CN107195367B (en) * | 2017-06-05 | 2020-01-10 | 江苏亨通高压海缆有限公司 | High-voltage low-loss optical fiber composite submarine cable and preparation method thereof |
| CN108597664B (en) * | 2018-04-16 | 2020-09-29 | 安徽徽宁电器仪表集团有限公司 | High-water-tightness mooring detection cable and manufacturing method thereof |
| CN114388180A (en) * | 2022-01-14 | 2022-04-22 | 夏雨辰 | Power cable with long service life |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807455B (en) * | 2010-03-29 | 2012-08-22 | 浙江省电力公司舟山电力局 | Photoelectric combined submarine power cable |
| CN102290135B (en) * | 2011-06-15 | 2013-06-26 | 宁波东方电缆股份有限公司 | Three-core photoelectric composite submarine cable with 220kV rated voltage |
| CN102364600A (en) * | 2011-11-16 | 2012-02-29 | 江苏亨通高压电缆有限公司 | Split-phase lead-coated submarine cable |
| CN103123823A (en) * | 2013-02-27 | 2013-05-29 | 宁波东方电缆股份有限公司 | Direct-current submarine cable for flexible power transmission |
| CN204332468U (en) * | 2015-01-09 | 2015-05-13 | 深圳市永盛发电缆实业发展有限公司 | A kind of six conductor cable |
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- 2016-04-30 CN CN201610277147.4A patent/CN105761828B/en active Active
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| CN105761828A (en) | 2016-07-13 |
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