CN106782775A - A kind of direct current submarine cable - Google Patents
A kind of direct current submarine cable Download PDFInfo
- Publication number
- CN106782775A CN106782775A CN201611078251.7A CN201611078251A CN106782775A CN 106782775 A CN106782775 A CN 106782775A CN 201611078251 A CN201611078251 A CN 201611078251A CN 106782775 A CN106782775 A CN 106782775A
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- Prior art keywords
- molded line
- layer
- line layer
- outside
- molded
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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
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/0009—Details relating to the conductive cores
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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
- H01B7/14—Submarine cables
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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
- H01B7/17—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
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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
- H01B7/17—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
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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
- H01B7/17—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
- H01B9/005—Power cables including optical transmission elements
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- Insulated Conductors (AREA)
Abstract
The invention discloses a kind of direct current submarine cable, including hexagon supporting-core, the length of side of hexagon supporting-core is 3.3mm 3.7mm；Hexagon supporting-core outside is provided with the first molded line layer, and the first molded line layer includes the six roots of sensation the first molded line single line, and the six roots of sensation the first molded line single line is stranded with supporting-core rear rounded, and the sectional area of each first molded line single line is 28.50mm2‑29.5mm2.One aspect of the present invention, effectively raises block-water effect, overcomes the problem laid and limited by drop；On the other hand, long length, high-power and Large Copacity requirement be disclosure satisfy that；Another further aspect, effectively raises corrosion-resistant and stretching resistance performance, extends cable life, reduces cost.
Description
Technical field
The present invention relates to a kind of submarine cable.
Background technology
Global intelligent Web be unable to do without high voltage, Large Copacity and communications, super high voltage direct current electricity transmission low cost, damage
Consumption is small, without reactive power loss.And power network is easy to connect, be easily controlled and adjust, it has been widely adopted in long distance powedr transmission.
Ocean wind-power electricity generation, tidal power generation, solar power generation etc. can be had unstable, power supply and power system by D.C. high voltage transmission
Link up, without influenceing the quality of power supply level of power network, therefore be highly desirable to using direct current transportation.
But, current HVDC submarine cable technology only rests on the oil-filled submarine cable of oil-impregnated paper insulation, this oil immersion
On the one hand, block-water effect is poor, lays and is limited by drop for the oil-filled submarine cable of paper insulation；On the other hand, extra large cable occurs to be robbed during oil leak
Repair difficulty；Another further aspect, corrosion-resistant and stretching resistance poor-performing, so as to cause cable life to shorten, increases cost.
Therefore those skilled in the art are devoted to a kind of direct current submarine cable that can effectively improve block-water effect of exploitation.
The content of the invention
In view of the drawbacks described above of prior art, the technical problems to be solved by the invention are to provide one kind and can effectively carry
The direct current submarine cable of high water resistant effect.
To achieve the above object, the invention provides a kind of direct current submarine cable, including hexagon supporting-core, hexagon
The length of side of supporting-core is 3.3mm-3.7mm；
Hexagon supporting-core outside is provided with the first molded line layer, and the first molded line layer includes the six roots of sensation the first molded line single line, the six roots of sensation
First molded line single line is stranded with supporting-core rear rounded, and the sectional area of each first molded line single line is 28.50mm2-29.5mm2；
The outside of the first molded line layer is provided with the second molded line layer, and the second molded line layer includes 12 second molded line single lines, ten
Two second molded line single lines are stranded rear rounded with the first molded line layer, and the sectional area of each second molded line single line is 8mm2-10mm2；
The outside of the second molded line layer is provided with the 3rd molded line layer, and the 3rd molded line layer includes 18 the 3rd molded line single lines, ten
Eight the 3rd molded line single lines are stranded rear rounded with the second molded line layer, and the sectional area of each 3rd molded line single line is 6.5mm2-
8.5mm2；
3rd molded line layer, outside be provided with the 4th molded line layer, the 4th molded line layer include 24 the 4th molded line single lines,
24 the 4th molded line single lines are stranded rear rounded with the 3rd molded line layer, and the sectional area of each 4th molded line single line is
5.5mm2-7.5mm2。
In order to further improve block-water performance, the sectional area of the first molded line layer is 200mm2-202mm2；Second molded line layer
Sectional area is 313.2mm2-315.2mm2；The sectional area of the 3rd molded line layer is 451.2mm2-453.2mm2；4th molded line layer cut
Area is 614.2mm2-616.2mm2。
For the compactedness of reinforcement structure, the outside of the 4th molded line layer is provided with the 5th molded line layer, and the 5th molded line layer includes
30 the 5th molded line single lines, the 5th molded line single line and stranded rear rounded, the section of each 5th molded line single line of the 4th molded line layer
Product is 5.5mm2-7.5mm2；
The outside of the 5th molded line layer is provided with the 6th molded line layer, and the 6th molded line layer includes the molded line single line of 30 six roots of sensation the 6th,
6th molded line single line is stranded rear rounded with the 5th molded line layer, and the sectional area of each 6th molded line single line is 6.8mm2-8.2mm2。
In order to further strengthen compactedness, block-water effect is improved, the sectional area of the 5th molded line layer is 803mm2 -805mm2；
The sectional area of the 6th molded line layer is 1074mm2-1076mm2。
Preferably, the outside of the 6th molded line layer is provided with semi-conductive screen；The outside of semi-conductive screen sets crosslinking
Polyethylene layer；Crosslinked polyetylene insulated layer outside is provided with insulation screen.
Preferably, insulation screen outside is provided with semiconductive water-blocking buffer layer；Semiconductive water-blocking buffer layer outside sets
It is equipped with alloy lead set；The outside of alloy lead set is provided with semiconductive PE sets, and semiconductive PE sets outside is provided with inner liner.
In order to increase stretching resistance, inner liner outside is provided with steel wire armor layer, and steel wire armor layer includes some steel wires, steel
Silk a diameter of 3.0mm, 5.0mm, 6.0mm or 8.0mm.
In order to increase the service life while making it have photoelectricity composite performance, optical cable, light are provided with steel wire armor layer
The both sides of cable are provided with packing；
The external diameter of packing is identical with the external diameter of steel wire and external diameter more than optical cable；It is provided with the outside of steel wire armor layer outer
Tegillum.
This structure is directed to electric cable with large cross-section and uses, so that the section of direct current submarine cable is 3000mm2-4000mm2。
In order to further improve block-water effect, preferably, being provided with the glue that blocks water between each molded line single line；Each layer with it is each
Semiconductor waterstop is provided between layer.
The beneficial effects of the invention are as follows：One aspect of the present invention, effectively raises block-water effect, overcomes and lays by drop
The problem of limitation；On the other hand, long length, high-power and Large Copacity requirement be disclosure satisfy that；Another further aspect, effectively raises
Corrosion-resistant and stretching resistance performance, extends cable life, reduces cost.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Fig. 2 is partial enlargement structural representation at A in Fig. 1.
Fig. 3 is the structural representation of factory's joint specific embodiment.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples：
As shown in Figure 1 to Figure 3, a kind of supporting-core 1 of direct current submarine cable, including hexagon, the side of hexagon supporting-core 1
A length of 3.3mm-3.7mm；In the present embodiment, the length of side of hexagon supporting-core 1 is 3.5mm.
The outside of hexagon supporting-core 1 is provided with the first molded line layer 2, and the sectional area of the first molded line layer 2 is 200mm2-202mm2；
In the present embodiment, the sectional area of the first molded line layer 2 is 201.1mm2.First molded line layer 2 includes the six roots of sensation the first molded line single line 2a, six
Root the first molded line single line 2a is stranded with supporting-core 1 rear rounded, and the sectional area of each first molded line single line 2a is 28.50mm2-
29.5mm2；In the present embodiment, the sectional area of the first molded line single line 2a is 29mm2。
The outside of the first molded line layer 2 is provided with the second molded line layer 3, and the sectional area of the second molded line layer 3 is 313.2mm2-
315.2mm2；In the present embodiment, the sectional area of the second molded line layer 3 is 314.2mm2, the second molded line layer 3 include 12 Second-Types
Line single line 3a, 12 second molded line single line 3a and 2 stranded rear rounded, the section of each second molded line single line 3a of the first molded line layer
Product is 8mm2-10mm2；In the present embodiment, the sectional area of each second molded line single line 3a is 9mm2。
The outside of the second molded line layer 3 is provided with the 3rd molded line layer 4, and the sectional area of the 3rd molded line layer 4 is 451.2mm2-
453.2mm2；In the present embodiment, the sectional area of the 3rd molded line layer 4 is 452.4mm2.3rd molded line layer 4 includes 18 the 3rd types
Line single line 4a, 18 the 3rd molded line single line 4a and 3 stranded rear rounded, the section of each 3rd molded line single line 4a of the second molded line layer
Product is 6.5mm2-8.5mm2；In the present embodiment, the sectional area of each 3rd molded line single line 4a is 7.7mm2。
3rd molded line layer 4, outside be provided with the 4th molded line layer 5, the 4th molded line layer 5 sectional area be 614.2mm2-
616.2mm2, in the present embodiment, the sectional area of the 4th molded line layer 5 is 615.8mm2.4th molded line layer includes 24 the 4th types
Line single line 5a, 24 the 4th molded line single line 5a are stranded rear rounded with the 3rd molded line layer 4, and each 4th molded line single line 5a's cuts
Area is 5.5mm2-7.5mm2In the present embodiment, the sectional area of each 4th molded line single line 5a is 6.8mm2。
The outside of the 4th molded line layer 5 is provided with the 5th molded line layer 6, and the sectional area of the 5th molded line layer 6 is 803mm2-
805mm2；In the present embodiment, the sectional area of the 5th molded line layer 6 is 804.2mm2.5th molded line layer 6 includes 30 the 5th molded line
Single line 6a, the 5th molded line single line 6a are stranded rear rounded with the 4th molded line layer 5, and the sectional area of each 5th molded line single line 6a is
5.5mm2-7.5mm2, in the present embodiment, the sectional area of the 5th molded line single line 6a is 6.3mm2。
The outside of the 5th molded line layer 6 is provided with the 6th molded line layer 7, and the sectional area of the 6th molded line layer 7 is 1074mm2-
1076mm2, in the present embodiment, the sectional area of the 6th molded line layer 7 is 1075.2mm2.6th molded line layer 7 includes 30 six roots of sensation the 6th
Molded line single line 7a, the 6th molded line single line 7a are stranded rear rounded with the 5th molded line layer 6, and the sectional area of each 6th molded line single line 7a is equal
It is 6.8mm2-8.2mm2, in the present embodiment, the sectional area of the 6th molded line single line 7a is 7.5mm2。
The outside of the 6th molded line layer 7 is provided with semi-conductive screen 9, and in the present embodiment, semi-conductive screen 9 is partly led for extrusion
Electrical shielding material.The outside of semi-conductive screen 9 is provided with crosslinked polyetylene insulated layer 10；The outside of crosslinked polyetylene insulated layer 10 sets
It is equipped with insulation screen 11.In the present embodiment, crosslinked polyetylene insulated layer 10 is exclusively used in high voltage DC power cable, material electricity
Gas performance, physical property can meet the insulation of high voltage direct current cable, and greatly reduce the formation of space charge.In order to full
Sufficient requirements above, we have selected a kind of nonpolar cross-linked polyethylene insulating material, the material to have good processing characteristics, while
Mechanical performance and excellent electric properties, its structure is：
--[--CH2--CH2--]n---[CH2--CH--]---[CH2--CH2--]x----[CH2--CH--[CH2--
CH2--]a-/
/
--[--CH2--CH2--]m---[CH2--CH--]--[CH2--CH2--]y----[CH2--CH--[CH2--
CH2--]b--
Centre is cross-bond, is typically triggered with peroxide, forms free radical, cross-bond is formed between free radical, by line
Shape macromolecule forms 3-D solid structure macromolecule.
The insulating materials main performance such as table 1 below：
The physical property of table 1
Note：Judgement for being crosslinked sample
The electrical property of table 2
The outside of insulation screen 11 is provided with semiconductive water-blocking buffer layer 12；In the present embodiment, semiconductive water-blocking buffer layer
12 using water-swellable speed semiconductor waterstop high；.The outside of semiconductive water-blocking buffer layer 12 is provided with alloy lead set 13；This
In embodiment, alloy lead set 13 is radial direction waterproof layer using the high-quality lead alloy material for extruding.The outside of alloy lead set 13 is set
There is semiconductive PE to cover 14, in the present embodiment, the extrusion of semiconductive PE sets 14 prevents from being damaged in lead sheath production process.Semiconductive PE covers
14 outsides are provided with inner liner 15.In the present embodiment, inner liner 15 is made of PP ropes and the special modified pitch of cable,
This product has poured the cable of excellent corrosion resistance in cable metal sheath surface (lead set surface, Steel Wire Surface)
Modified pitch, the pitch employs extraordinary formula, there is good adhesion property.
Modified pitch formula is table 3：
The modified pitch formula of table 3
| Material | Weight (kg) |
| Pitch | 500 |
| PE (melt index is less than 100) | 23 |
| Rosin | 23 |
| Coupling agent | 2.8 |
The outside of inner liner 15 is provided with steel wire armor layer 16, and steel wire armor layer 16 includes some steel wire 16a, steel wire 16a
A diameter of 3.0mm, 5.0mm, 6.0mm or 8.0mm.This product tensile layer using thick circle or flat wire (double-deck or individual layer) and zinc-
Aluminium-magnesium alloy coating wire, thick round steel wire diameter can use 5.0mm, 6.0mm or 8.0mm.It is that thickness can be adopted using flat wire
With 3.0mm, 5.0mm, 6.0mm.In the present embodiment, using thick round steel wire, a diameter of 6.0mm.
(depth of water is laid according to extra large cable, less than 300 meters typically use single layer of wires armouring, and 300 meters and the above use double-deck anti-
To wire armoring) wire armoring meets cable laying depth, it is ensured that and extra large cable bears larger stretching resistance.The material corrosion resistance
It is 8.76 times of conventional galvanizing steel wire.The coating make use of the double of electrochemical protection and the corrosion products film protection of sacrificial anode
Recast is used, and is no longer corroded once after diaphragm is formed, and substantially prolongs the service life of cable.
It is defeated that high voltage of the present invention, super-section, Large Copacity and communications are primarily adapted for use in long length seabed
Electricity power cable, while being adapted to various electrical power trans mission/distribution systems under water and equipment connection.This patent provides a kind of high pressure and surpasses
High-voltage cross-linking polythene isolated dc submarine cable.This cable has preferable corrosion-resistant, high tensile, high water resistance energy, can grow
Phase soaks in the seawater, is not limited by drop is laid, and is entirely capable of meeting long length, powerful subsea power DC transmission system
Requirement, realize electric power, communication and extra large cable operation monitoring objective.
Optical cable 17 is provided with steel wire armor layer 16, the both sides of optical cable 17 are provided with packing；The external diameter of packing with
The external diameter of steel wire 16a is identical and more than the external diameter of optical cable 17；The outside of steel wire armor layer 16 is provided with serving 18.The present embodiment
In, serving 18 is using pitch, PP ropes, pitch, PP ropes, pitch, non-woven fabrics band composition.
The glue that blocks water is provided between each molded line single line；Semiconductor waterstop is provided between each layer and each layer.This reality
Apply in example, optical cable uses single-mode fiber and multimode fibre, outer layer is stainless loose sleeve pipe and PE sheaths, is full of in Loose tube
Greasy for preventing water.In order that optical cable is not acted on by mechanical external force, and the external diameter of the external diameter less than armouring steel wire of optical cable, optical cable is in symmetrical
Place, and protected using circular PE bars in optical cable both sides.Optical cable compound tense is stranded with layer with steel wire of internal layer, and leaves
Certain remaining length.
Photoelectricity composite goal is possess it to carry out status monitoring, remote control, warning function while electric energy is conveyed
Ability, realize power transmission and real-time monitoring.Effectively identification direct current submarine cable sheath defect, failure, exception are overheated and fire
The generation of calamity, makes cable possess certain fault forecast ability.
Conductor structure of the present invention is not in GB/T3956-2008 critical fields, it is contemplated that heavy in section, high voltage, Large Copacity
Transmission, meets extra large cable and lays environmental requirement, need to carry out product structure design, by several structural design analysis and comparing, most
Preferred plan is selected eventually.
1) press circle+stop water, specify that the 2nd kind presses circular stranded conductor knot according to GB GB/T3956-2008
Structure can meet requirement, but the circular stranded single line string diameter of super-section conductor compacting is thicker, press that rear external diameter is larger, the seam between string diameter
Gap is difficult filling, and block-water effect is bad, and conductor compacting fill factor is extremely difficult to more than 90%.In the presence of very big defect, no
Preferably use.
2) milliken conductor+stop water, milliken conductor requires according to high-tension cable standard, generally 800mm2And with
On preferably use milliken conductor, and extra large cable is also bad using the block-water effect of milliken conductor+material water-proof material, temporarily not this both at home and abroad
Structure, should not also use.
3) circle+molded line+stop water, center is successively outer to use type cabling using circular stranded conductor is pressed, this
Structure production is unstable, and processing effect is bad, and block-water effect between circular and molded line interface is nor good, is extremely difficult to block water
It is required that, should not also use
4) molded line+stop water, center conductor uses 6 side type conductors, and without using round conductor, its purpose is polygonal
It is to extract that stranded conductor center is stranded, is more consolidated.And easily reeled off raw silk from cocoons when using circular.Conductor strand mode is 1+6+12
+ 18+24+30+36 is regular stranded.
Conductor strand layer uses molded line conductor with interlayer, and external diameter is small after the processing of this structure, and conductor compacting coefficient can reach
Not less than 0.9, material water-proof material, conductor structure stabilization are easily filled in gap between molded line, and meet super-section stop water, connecting hose
Conductor welding easily recovers, therefore, this structure is optimal selection scheme.
In the present embodiment, the Rotating fields that block water of cable contain longitudinal water-blocking layer and radial resistivity water layer, longitudinal water-blocking layer bag
It is contained in outside conductor and insulated wire cores, conductor meets the block-water performance under infiltration using block water glue or the height that blocks water.
The semiconductor waterstop of high water resistance energy is used outside conductor insulation core, the material water-proof material is met water and expanded rapidly, effectively
Prevent the longitudinal direction of water from stretching, reach good longitudinal water-blocking effect.The radial resistivity water layer of cable is using one layer of alloy lead for extruding
Set, the metallic sheath is fine and close seamless pipe, and the outer wall of pipe is coated with one layer of anti-corrosion asphalt, and one layer of semiconductive PE shield is extruded outside it
Set, integrated water stop layer does not only have good radial water-resisting effect, and also excellent decay resistance, makes cable in seabed
Safe operation is fully protected.
The section of direct current submarine cable is 3000mm2-4000mm2.In the present embodiment, conductor structure is 3500mm2, structure
It is 1+6+12+18+24+30+36；Totally 127 core, conductor total sectional area is 3499.7mm2, conductor diameter 68.7mm.It is of the invention
Structure is directed to heavy in section (3000mm2-4000mm2) cable uses.Knot of the invention is used when this large size conductor is manufactured
Structure, raising block-water effect that can be effective overcomes the problem laid and limited by drop；Meet long length, high-power and great Rong
The requirement of amount；Corrosion-resistant and stretching resistance performance is effectively improved, extends cable life, reduce cost.But, if this structure
Used in less than 3000mm2-4000mm2Small bore cable on, do not possess above beneficial effect not only, even with the life-span more
Short, effect is worse, so this layer structure is just for 3000mm2-4000mm2Electric cable with large cross-section can effectively produce with
Upper beneficial effect.Prior art can solve the problem that the problem for laying drop by using cross-linked polyethylene insulating material, but in cable
Less stable when using, in the present embodiment, by the supporting-core 1 and type of cross-linked polyethylene insulating material and hexagon of the invention
Line layer is used in combination, and effectively raises stability, and after use is combined with layer structure, more further carry
High stability (just for large size conductor).
The present invention can be welded together two conductors by factory's joint (connecting hose).Factory's joint is using special
Junction device, including squeezing bag sulfuration form, conductor tab use low-resistance silver solder, be layered misconnection mode weld；Profit
With metallic compound chemical reaction heat as thermal source, by (being reduced) motlten metal for overheating, direct or indirect exothermic weld；
Integral solder, using Tig Welding mode, by conductor integral solder, conductor weld seam is in sector, with argon gas, helium during welding
The inert gases such as gas are protective gas, prevent conductor over oxidation；Conductor welds to ensure cable tensile strength and electric property
Meet and require.Insulating joint equipment uses double screw extruder, by new modified crosslinking polyethylene Insulation Material and semiconductive screen
Cover material successively to recover, reach the effect consistent with cable body performance.Lead sheath and semiconductive PE sheaths recover to be using pre-
Lead pipe welding processed recovers, and drawing mould is covered by special lead, and the lead set drawing that will be welded makes external diameter close with body external diameter, so
Recover semiconductive PE sheaths afterwards.Ensure that external diameter is close with body external diameter at cable flexible joint, so that subsequent handling is produced
Conductor welding 100, the crucial first step of long length extra large cable production is conductor welding.Realize two cable connections
First link, is generally divided into release type welding, integral solder, layering dislocation welding.Its welding tensile strength need to reach cable
The 85% of body；Internal shield recovers region 20, and conductor is welded after being recovered by grinding process, then carried out in the region
Inner shield recovers；Insulating barrier recovers region 30, and the region is completed after last process is complete using particular manufacturing craft, special extrusion equipment
Insulating barrier recovers, and is vulcanized；Insulation screen recovers region 40, and generally insulating barrier has recovered rear external diameter and compares body
External diameter is big, therefore needs essence to cut, is polishing to external diameter and body external diameter is close.Inner shield reserved 50, two cable inner shields are reserved
Position, the inner shield the purpose is to joint is preferably compatible with screen in body；Reagency cone 60, needs what essence was cut during insulation recovery
Reagency is bored, and the purpose is to make the insulation at connecting hose and body insulator interface smooth excessively, improves electric field at insulator interface
Distribution；Insulating barrier shielding reserved 70, reserved similarly with inner shield, insulating barrier sprays semiconductive varnish again after having recovered；Lead sheath and
Semiconductive PE oversheaths recover 80, and control lead sheath recovers external diameter and semiconductive PE oversheath external diameters, it is ensured that outside at connecting hose
Footpath is close with body external diameter, and meets physical property, so that subsequent handling is produced.
Preferred embodiment of the invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Need creative work just can make many modifications and variations with design of the invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. a kind of direct current submarine cable, it is characterized in that：Supporting-core (1) including hexagon, the side of the hexagon supporting-core (1)
A length of 3.3mm-3.7mm；
Hexagon supporting-core (1) outside is provided with the first molded line layer (2), and first molded line layer (2) includes the six roots of sensation first
Molded line single line (2a), the six roots of sensation the first molded line single line (2a) is stranded with the supporting-core (1) rear rounded, each first type
The sectional area of line single line (2a) is 28.50mm2-29.5mm2；
It is provided with the second molded line layer (3) on the outside of first molded line layer (2), second molded line layer (3) includes 12 pieces the
Two molded line single lines (3a), described 12 second molded line single lines (3a) are stranded rear rounded with first molded line layer (2), each institute
The sectional area for stating the second molded line single line (3a) is 8mm2-10mm 2；
It is provided with the 3rd molded line layer (4) on the outside of second molded line layer (3), the 3rd molded line layer (4) includes 18 pieces the
Three molded line single lines (4a), described 18 the 3rd molded line single lines (4a) are stranded rear rounded with second molded line layer (3), each institute
The sectional area for stating the 3rd molded line single line (4a) is 6.5mm2-8.5mm 2；
3rd molded line layer (4), outside be provided with the 4th molded line layer (5), the 4th molded line layer includes 24 pieces the
Four molded line single lines (5a), described 24 the 4th molded line single lines (5a) are stranded rear rounded with the 3rd molded line layer (4), respectively
The sectional area of the 4th molded line single line (5a) is 5.5mm2-7.5mm2。
2. direct current submarine cable as claimed in claim 1, it is characterized in that：The sectional area of first molded line layer (2) is
200mm2-202mm2；The sectional area of second molded line layer (3) is 313.2mm2-315.2mm2；3rd molded line layer (4)
Sectional area is 451.2mm2-453.2mm2；The sectional area of the 4th molded line layer (5) is 614.2mm2-616.2mm2。
3. direct current submarine cable as claimed in claim 1, it is characterized in that：The is provided with the outside of 4th molded line layer (5)
Five molded line layer (6), the 5th molded line layer (6) includes 30 the 5th molded line single lines (6a), the 5th molded line single line (6a)
Stranded rear rounded with the 4th molded line layer (5), the sectional area of each 5th molded line single line (6a) is 5.5mm2-
7.5mm2；
The 6th molded line layer (7) is provided with the outside of 5th molded line layer (6), the 6th molded line layer (7) includes 30 six roots of sensation
6th molded line single line (7a), the 6th molded line single line (7a) and the 5th molded line layer (6) are stranded rear rounded, and each described the
The sectional area of six molded line single lines (7a) is 6.8mm2-8.2mm2。
4. direct current submarine cable as claimed in claim 3, it is characterized in that：The sectional area of the 5th molded line layer (6) is
803mm2-805mm2；The sectional area of the 6th molded line layer (7) is 1074mm2-1076mm 2。
5. direct current submarine cable as claimed in claim 4, it is characterized in that：Half is provided with the outside of 6th molded line layer (7)
Conductive shield (9)；Crosslinked polyetylene insulated layer (10) is provided with the outside of the semi-conductive screen (9)；The crosslinked polyethylene
Insulating barrier (10) outside is provided with insulation screen (11).
6. direct current submarine cable as claimed in claim 5, it is characterized in that：Insulation screen (11) outside is provided with partly leads
Electric water-blocking buffer layer (12)；Semiconductive water-blocking buffer layer (12) outside is provided with alloy lead set (13)；The alloy lead set
(13) semiconductive PE sets (14) is provided with the outside of, semiconductive PE sets (14) outside is provided with inner liner (15).
7. direct current submarine cable as claimed in claim 6, it is characterized in that：Inner liner (15) outside is provided with wire armoring
Layer (16), the steel wire armor layer (16) includes some steel wires (16a), a diameter of 3.0mm of the steel wire (16a), 5.0mm,
6.0mm or 8.0mm.
8. direct current submarine cable as claimed in claim 7, it is characterized in that：Optical cable is provided with the steel wire armor layer (16)
(17), the both sides of the optical cable (17) are provided with packing；
The external diameter of the packing is identical with the external diameter of the steel wire (16a) and more than the external diameter of the optical cable (17)；The steel
Serving (18) is provided with the outside of silk armor (16).
9. the direct current submarine cable as described in claim 1 to 8 is any, it is characterized in that：The section of the direct current submarine cable is
3000mm2-4000mm2。
10. direct current submarine cable as claimed in claim 9, it is characterized in that：The glue that blocks water is provided between each molded line single line；Respectively
Semiconductor waterstop is provided between layer and each layer.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611078251.7A CN106782775A (en) | 2016-11-29 | 2016-11-29 | A kind of direct current submarine cable |
| PCT/CN2017/105769 WO2018099191A1 (en) | 2016-11-29 | 2017-10-11 | Direct-current submarine cable |
| JP2018563753A JP2019512859A (en) | 2016-11-29 | 2017-10-11 | DC submarine cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611078251.7A CN106782775A (en) | 2016-11-29 | 2016-11-29 | A kind of direct current submarine cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106782775A true CN106782775A (en) | 2017-05-31 |
Family
ID=58898878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611078251.7A Pending CN106782775A (en) | 2016-11-29 | 2016-11-29 | A kind of direct current submarine cable |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2019512859A (en) |
| CN (1) | CN106782775A (en) |
| WO (1) | WO2018099191A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018099191A1 (en) * | 2016-11-29 | 2018-06-07 | 重庆泰山电缆有限公司 | Direct-current submarine cable |
| CN115065025A (en) * | 2022-05-19 | 2022-09-16 | 南方电网科学研究院有限责任公司 | High-voltage cable flexible joint repair interface reinforcing method and device based on liquid phase impregnation |
| CN117238564A (en) * | 2023-09-19 | 2023-12-15 | 安徽省康利亚股份有限公司 | Cable for railway vehicle |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115497684B (en) * | 2022-09-28 | 2023-07-28 | 中天科技海缆股份有限公司 | Factory joint, factory joint processing device and factory joint manufacturing process |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201351328Y (en) * | 2009-01-22 | 2009-11-25 | 辽宁通达建材实业有限公司 | High-intensity low-relaxation prestressed die drawing steel stranded wire |
| JP2010118190A (en) * | 2008-11-11 | 2010-05-27 | Sumitomo Electric Ind Ltd | Solid cable |
| CN201877157U (en) * | 2010-12-17 | 2011-06-22 | 广东吉青电缆实业有限公司 | High-conductivity and ultrahigh-strength 1kV overhead insulated cable |
| CN202473391U (en) * | 2012-03-13 | 2012-10-03 | 重庆泰山电缆有限公司 | Crosslinked polyethylene insulated photoelectric composite direct-current submarine power cable |
| CN203118529U (en) * | 2013-01-15 | 2013-08-07 | 安徽瑞之星电缆集团有限公司 | Lightweight high-strength installation wire |
| CN203397747U (en) * | 2013-08-21 | 2014-01-15 | 重庆泰山电缆有限公司 | Large cross-section compacted circular water blocking conductor |
| CN204695804U (en) * | 2015-05-15 | 2015-10-07 | 重庆泰山电缆有限公司 | Carbon fiber complex core high conductivity aluminium profiles line wire |
| CN105810301A (en) * | 2016-05-13 | 2016-07-27 | 江苏亨通高压电缆有限公司 | Large-section seabed DC cable specially-shaped conductor |
| CN106158129A (en) * | 2016-08-29 | 2016-11-23 | 中天科技海缆有限公司 | ± 500kV ladder-shaped conductor corrugated aluminium sheath Optical Fiber Composite direct current cables |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405491B (en) * | 2015-12-18 | 2017-04-19 | 国网辽宁省电力有限公司沈阳供电公司 | Capacity-increasable aerial insulated cable |
| CN106128582A (en) * | 2016-08-08 | 2016-11-16 | 中天科技海缆有限公司 | A kind of heavy in section molded line conductor 500kV Optical Fiber Composite exchange submarine cable |
| CN106782775A (en) * | 2016-11-29 | 2017-05-31 | 重庆泰山电缆有限公司 | A kind of direct current submarine cable |
-
2016
- 2016-11-29 CN CN201611078251.7A patent/CN106782775A/en active Pending
-
2017
- 2017-10-11 JP JP2018563753A patent/JP2019512859A/en active Pending
- 2017-10-11 WO PCT/CN2017/105769 patent/WO2018099191A1/en active Application Filing
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010118190A (en) * | 2008-11-11 | 2010-05-27 | Sumitomo Electric Ind Ltd | Solid cable |
| CN201351328Y (en) * | 2009-01-22 | 2009-11-25 | 辽宁通达建材实业有限公司 | High-intensity low-relaxation prestressed die drawing steel stranded wire |
| CN201877157U (en) * | 2010-12-17 | 2011-06-22 | 广东吉青电缆实业有限公司 | High-conductivity and ultrahigh-strength 1kV overhead insulated cable |
| CN202473391U (en) * | 2012-03-13 | 2012-10-03 | 重庆泰山电缆有限公司 | Crosslinked polyethylene insulated photoelectric composite direct-current submarine power cable |
| CN203118529U (en) * | 2013-01-15 | 2013-08-07 | 安徽瑞之星电缆集团有限公司 | Lightweight high-strength installation wire |
| CN203397747U (en) * | 2013-08-21 | 2014-01-15 | 重庆泰山电缆有限公司 | Large cross-section compacted circular water blocking conductor |
| CN204695804U (en) * | 2015-05-15 | 2015-10-07 | 重庆泰山电缆有限公司 | Carbon fiber complex core high conductivity aluminium profiles line wire |
| CN105810301A (en) * | 2016-05-13 | 2016-07-27 | 江苏亨通高压电缆有限公司 | Large-section seabed DC cable specially-shaped conductor |
| CN106158129A (en) * | 2016-08-29 | 2016-11-23 | 中天科技海缆有限公司 | ± 500kV ladder-shaped conductor corrugated aluminium sheath Optical Fiber Composite direct current cables |
Non-Patent Citations (1)
| Title |
|---|
| 丁浩主编: "《塑料工业实用手册 上》", 31 August 2000, 化学工业出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018099191A1 (en) * | 2016-11-29 | 2018-06-07 | 重庆泰山电缆有限公司 | Direct-current submarine cable |
| CN115065025A (en) * | 2022-05-19 | 2022-09-16 | 南方电网科学研究院有限责任公司 | High-voltage cable flexible joint repair interface reinforcing method and device based on liquid phase impregnation |
| CN115065025B (en) * | 2022-05-19 | 2024-01-26 | 南方电网科学研究院有限责任公司 | Method and device for repairing and reinforcing interface of high-voltage cable soft joint based on liquid phase impregnation |
| CN117238564A (en) * | 2023-09-19 | 2023-12-15 | 安徽省康利亚股份有限公司 | Cable for railway vehicle |
| CN117238564B (en) * | 2023-09-19 | 2024-05-07 | 安徽省康利亚股份有限公司 | Cable for railway vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019512859A (en) | 2019-05-16 |
| WO2018099191A1 (en) | 2018-06-07 |
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