CN106128583A - The crosslinked polyetylene insulated optical fiber composite submarine power cable of 500kV - Google Patents
The crosslinked polyetylene insulated optical fiber composite submarine power cable of 500kV Download PDFInfo
- Publication number
- CN106128583A CN106128583A CN201610640371.5A CN201610640371A CN106128583A CN 106128583 A CN106128583 A CN 106128583A CN 201610640371 A CN201610640371 A CN 201610640371A CN 106128583 A CN106128583 A CN 106128583A
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- China
- Prior art keywords
- optical fiber
- power cable
- fiber composite
- layer
- conductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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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- 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
- H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
- H01B7/322—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks comprising humidity sensing means
-
- 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
- H01B9/021—Features relating to screening tape per se
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- Insulated Conductors (AREA)
Abstract
The invention discloses a kind of crosslinked polyetylene insulated optical fiber composite submarine power cable of 500kV; including the water-blocking conductor set gradually from inside to outside, conductor shield, insulating barrier; insulation screen; waterstop lapping layer, metal sheath, polyethylene sheath; fill protective layer; fiber unit, inner liner, armor and outer jacket；Described fiber unit includes optical fiber, stainless steel tube and the plastic sheath arranged from inside to outside, is filled with greasy for preventing water between described optical fiber and described stainless steel tube.This power cable has electric energy transmission, optic communication transmission, temperature monitoring, fault alarm function, have to be easily installed and lay and safeguard, transmit the advantages such as current-carrying capacity is big, dielectric loss is low, producing cost is low, operation maintenance is convenient, meet the needs of national energy building security, China's economic development is produced far-reaching influence.
Description
Technical field
The present invention relates to a kind of optical fiber composite submarine power cable, particularly to a kind of 500kV electric pressure exchange seabed
Cable and the compound submarine cable of submarine optical fiber cable function, the invention belongs to the high-voltage alternating cable technical field used under water.
Background technology
China's ocean development and the industrial fast development with tourist industry of offshore island, the demand transmitting electric power is increasingly
Greatly, former 220kV and can not meet the electricity needs quickly increased with cable road of plunging into the commercial sea, the development of coastal wind-powered electricity generation is also required to more come
The transmission of electric energy that the most high-pressure undersea cables send wind energy close on electrical network, therefore 500kV sea electric power cable in the urgent need to.
For ensureing that when running 500kV cross-linked polyethylene insulating submarine power cable, each layer temperature monitoring the most very must for electrical stability
Want, for the extra large cable laying circumstance complication, by monitoring cable conductor temperature, provide for current-carrying capacity of cable load in time and refer to
Lead, make sea cable play conveying capacity to greatest extent；And optical fiber is also used as communications, it is to avoid secondary connects up, and saves into
Basis and operating expenses.The design of this optical fiber composite submarine cable crosslinked polyetylene insulated for 500kV, run and application has important
Meaning.
Summary of the invention
Goal of the invention: the invention aims to solve deficiency of the prior art, it is provided that a kind of 500kV cross-links poly-second
Alkene insulating optical fiber hybrid submarine power cable, this submarine cable not only can complete the transmission of normal electric energy and optic communication is transmitted, and
And there is temperature monitoring, fault alarm function, it may have it is easily installed and lays and the advantage such as maintenance.Submarine cable has system and sets
Meter is complicated, use that bad environments is changeable, product manufacturing equipment and the high difficult point of technological requirement, is also offshore wind farm and island power
Development field electric power and communications in the urgent need to, the exploitation crosslinked polyetylene insulated optical fiber composite submarine cable of 500kV meets
National policy and the market demand.
Technical scheme: a kind of crosslinked polyetylene insulated optical fiber composite submarine power cable of 500kV of the present invention, including
Water-blocking conductor, conductor shield, insulating barrier, insulation screen, waterstop lapping layer, metal sheath, polyethylene sheath, fill and protect
Sheath, fiber unit, inner liner, armor and outer jacket；It is outside equipped with conductor shield, at conductor shielding at water-blocking conductor
Layer is outside equipped with insulating barrier, is outside equipped with insulation screen at insulating barrier, is outside equipped with waterstop lapping layer at insulation screen,
It is outside equipped with metal sheath at waterstop lapping layer, is outside equipped with polyethylene sheath at metal sheath, at polyethylene sheath peripheral hardware
It is equipped with filling protective layer, in the gap filling protective layer, is provided with fiber unit, be outside equipped with inner liner filling protective layer,
Being outside equipped with armor at inner liner, be outside equipped with outer jacket at armor, described fiber unit includes arranging from inside to outside
Optical fiber, stainless steel tube and plastic sheath, be filled with greasy for preventing water between described optical fiber and described stainless steel tube.
Further, described water-blocking conductor uses and presses circle or the annealed copper conductor of Splittable not metal cladding, conductor
Internal vertical bag semiconductor waterstop, and it is wound around water blocking yarn, semi-conductive tape and water blocking yarn all cover in strand and conductor space.
Further, described conductor shield use semiconductive to tie up waterstop is wrapped and ultra-smooth semiconductive shieldin material squeezes
Bag forms；Described insulating barrier uses ultra-clean cross-linking polyethylene materials to be extruded in uniformly on conductor shielding；Described insulation shielding
Layer uses ultra-smooth semiconductive shieldin material directly to extrude on the insulating layer.
Further, described waterstop lapping layer uses 1.0mm thickness double-side type semiconductor waterstop material two superimposed
Around wrapping on insulation screen；Or use 0.5mm thickness double-side type semiconductor waterstop material four ply around wrapping in insulation screen
Cover, and use waterstop specific insulation ＜ 1 × 105Ω .cm is as buffer protection layer and longitudinal water-blocking layer.
Further, described metal sheath uses continuous sealing structure, and the alloy lead using processing characteristics excellent is directly squeezed
Wrap on semi-conducting water-resistant tape layer, as radial direction waterproof layer.
Further, described polyethylene sheath uses semiconductive polyethylene or insulation polythene thermoplastic protective cover material directly to squeeze
Wrap on metal sheath, be further used as radially waterproof layer.
Further, described filling protective layer is the cylinder using high-strength thermoplastic material to extrude processing continuously.
Further, described fiber unit is provided with 2 ~ 4 groups, and often group fiber unit contains 1 ~ 36 core；Described plastic protective
Layer uses high-strength anti-corrosion thermoplastic to extrude composition.
Further, described inner liner uses the high-strength polypropylene PP cordage lapping structure of diameter 2 ~ 4mm.
Further, described armor uses round copper wire or flat copper silk to be wound around composition, it is possible to use round steel wire or
Flat wire is wound around composition；Described outer jacket uses Colophonium coating and the direct wrapped armour of polypropylene PP cordage of diameter 2 ~ 4mm
On dress layer.
Beneficial effect: beneficial effects of the present invention is as follows:
(1) the crosslinked polyetylene insulated optical fiber composite submarine cable of 500kV has electric energy transmission, optic communication transmission, temperature monitoring, event
Barrier warning function, has to be easily installed and lays and safeguard, transmits that current-carrying capacity is big, dielectric loss is low, producing cost is low, operation maintenance
The advantages such as convenience, have led the technological innovation of sea, world work Cable industry.
(2) the crosslinked polyetylene insulated optical fiber composite submarine cable of 500kV has filled up state, inside and outside blank.
(3) the crosslinked polyetylene insulated optical fiber composite submarine cable of 500kV has complied with national resources development strategy, meets country
Energy construction security needs, produces far-reaching influence to China's economic development.
Accompanying drawing explanation
Fig. 1 is the construction of cable sectional view of the present invention；
Fig. 2 is the fiber unit structural representation in the construction of cable of the present invention.
Detailed description of the invention
The crosslinked polyetylene insulated optical fiber composite submarine power cable of a kind of 500kV as depicted in figs. 1 and 2, including blocking water
Conductor 1, conductor shield 2, insulating barrier 3, insulation screen 4, waterstop lapping layer 5, metal sheath 6, polyethylene sheath 7, fill out
Fill protective layer 8, fiber unit 9, inner liner 10, armor 11 and outer jacket 12；It is outside equipped with conductor shielding at water-blocking conductor 1
Layer 2, is outside equipped with insulating barrier 3 at conductor shield 2, is outside equipped with insulation screen 4 at insulating barrier 3, outside insulation screen 4
It is provided with waterstop lapping layer 5, is outside equipped with metal sheath 6 at waterstop lapping layer 5, be outside equipped with poly-second at metal sheath 6
Alkene sheath 7, is outside equipped with filling protective layer 8 in polyethylene sheath 7, is provided with fiber unit in the gap filling protective layer 8
9, it is outside equipped with inner liner 10 filling protective layer 8, is outside equipped with armor 11 at inner liner 10, is outside equipped with at armor 11
Outer jacket 12, described fiber unit 9 includes optical fiber 13, stainless steel tube 15 and the plastic sheath 16 arranged from inside to outside, described light
It is filled with greasy for preventing water 14 between fine 13 and described stainless steel tube 15.
Described water-blocking conductor 1 uses and presses circle or the annealed copper conductor of Splittable not metal cladding, and conductor is indulged
Bag semiconductor waterstop, and it is wound around water blocking yarn, semi-conductive tape and water blocking yarn all cover in strand and conductor space.
Described conductor shield 2, insulating barrier 3, insulation screen 4 use extrusion way simultaneously.
Described conductor shield 2 use semiconductive tie up waterstop wrapped+ultra-smooth semiconductive shieldin material extrudes composition.
Described insulating barrier 3 uses ultra-clean cross-linking polyethylene materials to be extruded in uniformly on conductor shielding.
Described insulation screen 4 uses ultra-smooth semiconductive shieldin material directly to extrude on the insulating layer.
Described waterstop lapping layer 5 uses 1.0mm thickness double-side type semiconductor waterstop material 2 ply around wrapping in absolutely
Edge shielding is upper or 0.5mm thickness double-side type semiconductor waterstop material 4 ply is around wrapping on insulation shielding, waterstop volume electricity
Resistance rate ＜ 1 × 105Ω .cm is as buffer protection layer and longitudinal water-blocking layer.
Described metal sheath 6 uses continuous sealing structure, and the alloy lead using processing characteristics excellent is directly extruded in half
On conduction waterstop lapping layer, as radial direction waterproof layer.
Described polyethylene sheath 7 uses semiconductive polyethylene or insulation polythene thermoplastic protective cover material to be directly extruded in gold
Belong on sheath, be further used as radially waterproof layer.
Described protective layer 8 of filling is the cylinder using high-strength thermoplastic material to extrude processing continuously.
Described fiber unit 9 is provided with 2 ~ 4 groups, and often group fiber unit contains 1 ~ 36 core, and described optical fiber 13 uses panchromatic
Spectrum, the extra large cable special optic fibre that screening stress is high, described stainless steel tube 15 uses trimming protection welding procedure and online remaining long control
Technique processed, described plastic sheath 16 uses high-strength anti-corrosion thermoplastic to extrude composition.
Described inner liner 10 uses the high-strength polypropylene PP cordage lapping structure of diameter 2 ~ 4mm.
Described armor 11 uses round copper wire or flat copper silk to be wound around composition, it is possible to use round steel wire or flat wire to twine
Around composition.
Described outer jacket 12 is by group on the direct wrapped armor of polypropylene PP cordage of Colophonium coating and diameter 2 ~ 4mm
Becoming, Colophonium uses high-melting-point, high adhesion, resistance to embrittlement special asphalt, and PP cordage uses the high intensity materials such as wear-resisting, anticorrosive
Material.
The crosslinked polyetylene insulated optical fiber composite submarine cable of 500kV of the present invention is electric power transmission and fiber optic communication merit
The optical fiber composite submarine cable that can combine, this submarine cable not only can complete the transmission of normal electric energy and optic communication passes
Defeated, and there is temperature monitoring, fault alarm function, it may have to be easily installed and lay and the advantage such as maintenance.Submarine cable has
System design is complicated, use the difficult point that bad environments is changeable, product manufacturing is equipped and technological requirement is high, is also offshore wind farm and island
Small island power development field electric power and communications in the urgent need to, exploitation 500kV crosslinked polyetylene insulated Optical Fiber Composite seabed electricity
Cable meets national policy and the market demand.
The above, be only presently preferred embodiments of the present invention, and the present invention not makees any pro forma restriction, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any technology people being familiar with this specialty
Member, in the range of without departing from technical solution of the present invention, when the technology contents of available the disclosure above makes a little change or modification
For the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit of the foundation present invention
Any simple modification, equivalent variations and the modification being made above example, all still falls within the range of technical solution of the present invention.
Claims (10)
1. the crosslinked polyetylene insulated optical fiber composite submarine power cable of 500kV, it is characterised in that: include water-blocking conductor (1),
Conductor shield (2), insulating barrier (3), insulation screen (4), waterstop lapping layer (5), metal sheath (6), polyethylene sheath
(7), protective layer (8), fiber unit (9), inner liner (10), armor (11) and outer jacket (12) are filled；At water-blocking conductor
(1) it is outside equipped with conductor shield (2), is outside equipped with insulating barrier (3) at conductor shield (2), be outside equipped with at insulating barrier (3)
Insulation screen (4), is outside equipped with waterstop lapping layer (5) at insulation screen (4), arranges outward at waterstop lapping layer (5)
There is metal sheath (6), be outside equipped with polyethylene sheath (7) at metal sheath (6), be outside equipped with filling in polyethylene sheath (7)
Protective layer (8), is provided with fiber unit (9) in the gap filling protective layer (8), in filling protective layer (8) and being outside equipped with
Lining (10), is outside equipped with armor (11) at inner liner (10), is outside equipped with outer jacket (12), described light at armor (11)
Fine unit (9) includes optical fiber (13), stainless steel tube (15) and the plastic sheath (16) arranged from inside to outside, described optical fiber (13) and
Greasy for preventing water (14) it is filled with between described stainless steel tube (15).
A kind of crosslinked polyetylene insulated optical fiber composite submarine power cable of 500kV the most according to claim 1, its feature exists
In: described water-blocking conductor (1) uses and presses circle or the annealed copper conductor of Splittable not metal cladding, and conductor is indulged bag and partly led
Electricity waterstop, and it is wound around water blocking yarn, semi-conductive tape and water blocking yarn all cover in strand and conductor space.
A kind of crosslinked polyetylene insulated optical fiber composite submarine power cable of 500kV the most according to claim 1, its feature exists
Waterstop is wrapped and ultra-smooth semiconductive shieldin material extrudes and forms to use semiconductive to tie up in: described conductor shield (2)；Described
Insulating barrier (3) uses ultra-clean cross-linking polyethylene materials to be extruded in uniformly on conductor shielding (2)；Described insulation screen (4)
Ultra-smooth semiconductive shieldin material is used directly to be extruded on insulating barrier (3).
A kind of crosslinked polyetylene insulated optical fiber composite submarine power cable of 500kV the most according to claim 1, its feature exists
In: described waterstop lapping layer (5) uses 1.0mm thickness double-side type semiconductor waterstop material two superimposed around wrapping in insulation screen
Cover on layer (4)；Or employing 0.5mm thickness double-side type semiconductor waterstop material four ply is around wrapping on insulation shielding, and adopt
With waterstop specific insulation ＜ 1 × 105Ω .cm is as buffer protection layer and longitudinal water-blocking layer.
A kind of crosslinked polyetylene insulated optical fiber composite submarine power cable of 500kV the most according to claim 1, its feature exists
In: described metal sheath (6) uses continuous sealing structure, and the alloy lead using processing characteristics excellent is directly extruded in semiconductive resistance
On water band lapping layer (5), as radial direction waterproof layer.
A kind of crosslinked polyetylene insulated optical fiber composite submarine power cable of 500kV the most according to claim 1, its feature exists
In: described polyethylene sheath (7) uses semiconductive polyethylene or insulation polythene thermoplastic protective cover material to be directly extruded in metal and protect
On layer (6), it is further used as radially waterproof layer.
A kind of crosslinked polyetylene insulated optical fiber composite submarine power cable of 500kV the most according to claim 1, its feature exists
In: described filling protective layer (8) is the cylinder using high-strength thermoplastic material to extrude processing continuously.
A kind of crosslinked polyetylene insulated optical fiber composite submarine power cable of 500kV the most according to claim 1, its feature exists
In: described fiber unit (9) is provided with 2 ~ 4 groups, and often group fiber unit contains 1 ~ 36 core；Described plastic sheath (16) uses height
Intensity anticorrosion thermoplastic extrudes composition.
A kind of crosslinked polyetylene insulated optical fiber composite submarine power cable of 500kV the most according to claim 1, its feature exists
In: described inner liner (10) uses the high-strength polypropylene PP cordage lapping structure of diameter 2 ~ 4mm.
A kind of crosslinked polyetylene insulated optical fiber composite submarine power cable of 500kV the most according to claim 1, its feature
It is: described armor (11) uses round copper wire or flat copper silk to be wound around composition, it is possible to use round steel wire or flat wire to twine
Around composition；Described outer jacket (12) uses Colophonium coating and the direct wrapped armor of polypropylene PP cordage of diameter 2 ~ 4mm
(11) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610640371.5A CN106128583A (en) | 2016-08-08 | 2016-08-08 | The crosslinked polyetylene insulated optical fiber composite submarine power cable of 500kV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610640371.5A CN106128583A (en) | 2016-08-08 | 2016-08-08 | The crosslinked polyetylene insulated optical fiber composite submarine power cable of 500kV |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106128583A true CN106128583A (en) | 2016-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610640371.5A Pending CN106128583A (en) | 2016-08-08 | 2016-08-08 | The crosslinked polyetylene insulated optical fiber composite submarine power cable of 500kV |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111584137A (en) * | 2020-05-27 | 2020-08-25 | 中天科技海缆有限公司 | Low-induction-voltage submarine cable and preparation method thereof |
| CN111613389A (en) * | 2020-05-14 | 2020-09-01 | 江苏亨通高压海缆有限公司 | Production method of low-loss high-capacity photoelectric composite submarine cable |
| CN113782264A (en) * | 2021-09-14 | 2021-12-10 | 中天科技海缆股份有限公司 | Submarine cable |
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| CN202307273U (en) * | 2011-09-29 | 2012-07-04 | 宜昌联邦电缆有限公司 | Cross-linked polyethylene insulating single core submarine power cable used for ultra-high voltage AC power transmission |
| 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 |
| CN202584881U (en) * | 2012-04-19 | 2012-12-05 | 中天科技海缆有限公司 | 220KV crosslinked polyethylene insulated optical fiber composite submarine cable |
| CN203444851U (en) * | 2013-07-22 | 2014-02-19 | 重庆三峡电缆(集团)有限公司 | Cross-linked polyethylene insulated power cable with rated voltage 66 to 500 kV |
| CN104810107A (en) * | 2014-10-11 | 2015-07-29 | 安徽明星电缆有限公司 | Novel electrified railway cable and manufacture process thereof |
| CN105632615A (en) * | 2016-04-11 | 2016-06-01 | 宁波东方电缆股份有限公司 | 500kV composite optical-fiber submarine cable |
-
2016
- 2016-08-08 CN CN201610640371.5A patent/CN106128583A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202307273U (en) * | 2011-09-29 | 2012-07-04 | 宜昌联邦电缆有限公司 | Cross-linked polyethylene insulating single core submarine power cable used for ultra-high voltage AC power transmission |
| 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 |
| CN202584881U (en) * | 2012-04-19 | 2012-12-05 | 中天科技海缆有限公司 | 220KV crosslinked polyethylene insulated optical fiber composite submarine cable |
| CN203444851U (en) * | 2013-07-22 | 2014-02-19 | 重庆三峡电缆(集团)有限公司 | Cross-linked polyethylene insulated power cable with rated voltage 66 to 500 kV |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111613389A (en) * | 2020-05-14 | 2020-09-01 | 江苏亨通高压海缆有限公司 | Production method of low-loss high-capacity photoelectric composite submarine cable |
| CN111613389B (en) * | 2020-05-14 | 2021-11-09 | 江苏亨通高压海缆有限公司 | Production method of low-loss high-capacity photoelectric composite submarine cable |
| CN111584137A (en) * | 2020-05-27 | 2020-08-25 | 中天科技海缆有限公司 | Low-induction-voltage submarine cable and preparation method thereof |
| CN111584137B (en) * | 2020-05-27 | 2021-09-17 | 南海海缆有限公司 | Low-induction-voltage submarine cable and preparation method thereof |
| CN113782264A (en) * | 2021-09-14 | 2021-12-10 | 中天科技海缆股份有限公司 | Submarine cable |
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Application publication date: 20161116 |