CN106098192A - A kind of heavy in section molded line conductor 500kV exchanges submarine cable - Google Patents
A kind of heavy in section molded line conductor 500kV exchanges submarine cable Download PDFInfo
- Publication number
- CN106098192A CN106098192A CN201610640954.8A CN201610640954A CN106098192A CN 106098192 A CN106098192 A CN 106098192A CN 201610640954 A CN201610640954 A CN 201610640954A CN 106098192 A CN106098192 A CN 106098192A
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- Prior art keywords
- conductor
- molded line
- heavy
- submarine cable
- exchanges
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- 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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- 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
-
- 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
- H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
-
- 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
-
- 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
- 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
- H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Insulated Conductors (AREA)
Abstract
The invention discloses a kind of heavy in section molded line conductor 500kV and exchange submarine cable, block water copper conductor including the molded line set gradually from inside to outside, conductor shield, insulating barrier, insulation screen, waterstop lapping layer, metal sheath, polyethylene sheath, armor and outer jacket, described molded line blocks water copper conductor by center conductor core, trapezoidal copper single line, the packing material that blocks water composition.Center conductor core use metal cladding or not metal cladding circular copper single line layering press strand and make, center conductor core according to whole cross-sectional area of conductor select have monolayer strand and or have multilamellar monofilament layering press strand and make.The submarine cable of the present invention can meet 2000mm2And above large size conductor produces continuously, and with segmental conductor compared with compact conductor, conductor diameter is little, activity coefficient is high, block-water performance is excellent, has the transmission advantages such as current-carrying capacity is big, dielectric loss is low, production efficiency is high, operation maintenance is convenient, has led the technological innovation of world's Cable industry.
Description
Technical field
The present invention relates to a kind of submarine cable, use heavy in section molded line conductor 500kV crosslinked polyethylene particularly to one
Insulation exchange sea electric power cable, the invention belongs to technical field of cable.
Background technology
2000mm2Cross section and round compacted comductor can be used with lower conductor at present, but cross section is more than 2000mm2During cross section, existing
Having capacity of equipment to meet, but electrical network tomorrow requirement transmission capacity is increasing, this is accomplished by developing the big of new structure and cuts
Face water-blocking conductor adapts to the needs of more high-transmission capacity sea cable, and heavy in section molded line conductor structure is tight, and activity coefficient is high, water preventing ability
Can be excellent, submarine transmission needs can be met and long length produces.
500kV cross-linked polyethylene insulated cable first Application in 1997 is in hydroenergy storage station, and 500kV cross-links poly-second afterwards
Alkene insulated power cable is widely used in urban distribution network and large industrial enterprise.Improve along with manufacturing process and 500kV cross-links
Polyethylene-insulated power cable Practical Project operating experience make supertension extrude the reliability of cross-linked polyethylene insulated cable also by
Step obtains approval, and the development for 500kV cross-linked polyethylene insulating submarine power cable is laid a good foundation.
China's ocean development and the industrial fast development with tourist industry of offshore island, increasing to the demand of electric power, 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 get more and more
High-pressure undersea cable wind energy is sent electric energy transmission close on electrical network, between island power transmission line capability demand the most increasing,
Therefore 500kV submarine cable in the urgent need to.
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 heavy in section molded line is led
Body 500kV exchanges submarine cable, has block-water performance good, and transmission current-carrying capacity is high, dielectric loss is little, production efficiency is high, and molded line is led
Body can meet long length and produce needs, and is easily installed and lays and the advantage such as maintenance.
Technical scheme: a kind of heavy in section molded line conductor 500kV of the present invention exchanges submarine cable, blocks water including molded line
Copper conductor, conductor shield, insulating barrier, insulation screen, waterstop lapping layer, metal sheath, polyethylene sheath, armor and
Outer jacket；It is outside equipped with conductor shield at water-blocking conductor, is outside equipped with insulating barrier at conductor shield, arrange outside insulating barrier
There is insulation screen, be outside equipped with waterstop lapping layer at insulation screen, be outside equipped with metal sheath at waterstop lapping layer,
It is outside equipped with polyethylene sheath at metal sheath, is outside equipped with armor in polyethylene sheath, be outside equipped with outer protecting at armor
Layer；
Described molded line blocks water copper conductor by center conductor core, trapezoidal copper single line, the packing material that blocks water composition.
Further, described center conductor core use metal cladding or not metal cladding circular copper single line layering press
Strand and make, center conductor core according to whole cross-sectional area of conductor select have monolayer strand and or have multilamellar monofilament layering press
Twist and make；Multilamellar difference root is set gradually according to trapezoidal copper single line size and cross-sectional area of conductor design at center conductor core outer layer
The trapezoidal copper single line of number, each layer trapezoidal copper single line equivalently-sized or different, at each lamellar spacing of center conductor and trapezoidal copper
Single line is provided with, in gap, the packing material that blocks water, and the packing material that blocks water uses in waterstop, water-proofing powder, water blocking yarn or the glue that blocks water one
Kind or several be used together.
Further, described conductor shield uses semiconductive to tie up, and waterstop is wrapped and ultra-smooth semiconductive shieldin material
Extrude composition.
Further, described waterstop lapping layer uses semiconductor waterstop overlapping material around wrapping on insulation shielding, hinders
Water band specific insulation ＜ 1 × 105Ω .cm, 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 armor uses round copper wire or flat copper silk to be wound around composition, it is possible to use round steel wire or flat
Steel wire winding forms.
Further, described outer jacket is by Colophonium coating and the direct wrapped armouring of polypropylene PP cordage of diameter 2 ~ 4mm
Forming on layer, Colophonium uses high-melting-point, high adhesion, the special asphalt of resistance to embrittlement, and PP cordage uses the high intensity such as wear-resisting, anticorrosive
Material.
Beneficial effect: beneficial effects of the present invention is as follows:
(1) heavy in section molded line conductor 500kV exchange submarine cable can meet 2000mm2And above large size conductor gives birth to continuously
Producing, and with segmental conductor compared with compact conductor, conductor diameter is little, activity coefficient is high, and block-water performance is excellent, has transmission current-carrying
The advantages such as amount is big, dielectric loss is low, production efficiency is high, operation maintenance is convenient, have led the technological innovation of world's Cable industry；
(2) heavy in section molded line conductor 500kV exchange insulation submarine cable has filled up state, inside and outside blank；
(3) national resources development strategy complied with by the crosslinked polyetylene insulated submarine cable of heavy in section molded line conductor 500kV, meets state
Family's energy construction security needs, produces far-reaching influence to China's economic development.
Accompanying drawing explanation
Fig. 1 is the submarine cable structure sectional view of the present invention；
Fig. 2 is that the molded line of the present invention blocks water copper conductor structural representation.
Detailed description of the invention
As shown in Figure 1 a kind of heavy in section molded line conductor 500kV exchange submarine cable include molded line block water copper conductor 1, lead
Body screen layer 2, insulating barrier 3, insulation screen 4, waterstop lapping layer 5, metal sheath 6, polyethylene sheath 7, armor 8, outer
Sheath 9.It is outside equipped with conductor shield 2 at water-blocking conductor 1, is outside equipped with insulating barrier 3 at conductor shield 2, outside insulating barrier 3
It is provided with insulation screen 4, is outside equipped with waterstop lapping layer 5 at insulation screen 4, be outside equipped with at waterstop lapping layer 5
Metal sheath 6, is outside equipped with polyethylene sheath 7 at metal sheath 6, is outside equipped with armor 8 in polyethylene sheath 7, at armouring
Layer 8 is outside equipped with outer jacket 9.
As in figure 2 it is shown, described molded line blocks water copper conductor by center conductor core 10, trapezoidal copper single line 11, block water filling
Material 12 forms.Center conductor core 10 use metal cladding or not metal cladding circular copper single line layering press strand and system
Become, center conductor core 10 according to whole cross-sectional area of conductor select have monolayer strand and or have multilamellar monofilament layering press strand and system
Become, set gradually the ladder of multilamellar difference radical at center conductor core outer layer according to trapezoidal copper single line size and cross-sectional area of conductor design
Shape copper single line, the size of each layer trapezoidal copper single line can be the same or different, at each lamellar spacing of center conductor and trapezoidal copper
Single line is provided with, in gap, the packing material that blocks water, and the packing material that blocks water uses in waterstop, water-proofing powder, water blocking yarn or the glue that blocks water one
Kind or several be used together.
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-linked polyethylene insulating material material 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 semiconductor waterstop overlapping material around wrapping on insulation shielding, and block water belt body
Long-pending resistivity ＜ 1 × 105Ω .cm, 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 armor 8 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 9 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, the special asphalt of resistance to embrittlement, and PP cordage uses the high-strength materials such as wear-resisting, anticorrosive.
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 (8)
1. a heavy in section molded line conductor 500kV exchanges submarine cable, it is characterised in that: include that molded line blocks water copper conductor (1), leads
Body screen layer (2), insulating barrier (3), insulation screen (4), waterstop lapping layer (5), metal sheath (6), polyethylene sheath
(7), armor (8) and outer jacket (9)；It is outside equipped with conductor shield (2), at conductor shield (2) outward at water-blocking conductor (1)
It is provided with insulating barrier (3), is outside equipped with insulation screen (4) at insulating barrier (3), be outside equipped with at insulation screen (4) and block water
Band lapping layer (5), is outside equipped with metal sheath (6) at waterstop lapping layer (5), is outside equipped with polyethylene at metal sheath (6)
Sheath (7), is outside equipped with armor (8) in polyethylene sheath (7), is outside equipped with outer jacket (9) at armor (8)；
Described molded line blocks water copper conductor (1) by center conductor core (10), trapezoidal copper single line (11), the packing material that blocks water (12)
Composition.
A kind of heavy in section molded line conductor 500kV the most according to claim 1 exchanges submarine cable, it is characterised in that: described
The circular copper single line layering of center conductor core (10) employing metal cladding or not metal cladding is pressed strand and makes, center conductor
Core (10) according to whole cross-sectional area of conductor select have monolayer strand and or have multilamellar monofilament layering press strand and make；In
Heart conductor thread core (10) outer layer designs according to trapezoidal copper single line size and cross-sectional area of conductor and sets gradually the trapezoidal of multilamellar difference radical
Copper single line, each layer trapezoidal copper single line equivalently-sized or different, in each lamellar spacing of center conductor and trapezoidal copper single line gap
In be provided with the packing material that blocks water (12), the packing material that blocks water (12) uses in waterstop, water-proofing powder, water blocking yarn or the glue that blocks water one
Kind or several be used together.
A kind of heavy in section molded line conductor 500kV the most according to claim 1 exchanges submarine cable, it is characterised in that: described
Conductor shield (2) use semiconductive to tie up waterstop is wrapped and ultra-smooth semiconductive shieldin material extrudes composition.
A kind of heavy in section molded line conductor 500kV the most according to claim 1 exchanges submarine cable, it is characterised in that: described
Waterstop lapping layer (5) use semiconductor waterstop overlapping material around wrapping on insulation shielding, waterstop specific insulation ＜ 1 ×
105Ω .cm, as buffer protection layer and longitudinal water-blocking layer.
A kind of heavy in section molded line conductor 500kV the most according to claim 1 exchanges submarine cable, it is characterised in that: described
Metal sheath (6) uses continuous sealing structure, the alloy lead using processing characteristics excellent be directly extruded in semiconductor waterstop around
On covering (5), as radial direction waterproof layer.
A kind of heavy in section molded line conductor 500kV the most according to claim 1 exchanges submarine cable, it is characterised in that: described
Polyethylene sheath (7) uses semiconductive polyethylene or insulation polythene thermoplastic protective cover material to be directly extruded on metal sheath (6),
It is further used as radially waterproof layer.
A kind of heavy in section molded line conductor 500kV the most according to claim 1 exchanges submarine cable, it is characterised in that: described
Armor (8) 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 be wound around composition.
A kind of heavy in section molded line conductor 500kV the most according to claim 1 exchanges submarine cable, it is characterised in that: described
Outer jacket (9) forms on the direct wrapped armor of polypropylene PP cordage by Colophonium coating and diameter 2 ~ 4mm, and Colophonium uses height
Fusing point, high adhesion, the special asphalt of resistance to embrittlement, PP cordage uses the high-strength materials such as wear-resisting, anticorrosive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610640954.8A CN106098192A (en) | 2016-08-08 | 2016-08-08 | A kind of heavy in section molded line conductor 500kV exchanges submarine cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610640954.8A CN106098192A (en) | 2016-08-08 | 2016-08-08 | A kind of heavy in section molded line conductor 500kV exchanges submarine cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106098192A true CN106098192A (en) | 2016-11-09 |
Family
ID=57455324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610640954.8A Pending CN106098192A (en) | 2016-08-08 | 2016-08-08 | A kind of heavy in section molded line conductor 500kV exchanges submarine cable |
Country Status (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139865A (en) * | 2017-06-06 | 2017-09-08 | 江阴弘远新能源科技有限公司 | A kind of efficient automobile starts super capacitor module |
| CN109300607A (en) * | 2018-10-15 | 2019-02-01 | 航天瑞奇电缆有限公司 | A kind of abnormity single line circle process copper conductor and special-shaped single line circle process copper conductor cable |
| CN112820467A (en) * | 2021-01-29 | 2021-05-18 | 杭州电缆股份有限公司 | Preparation method of 10kV medium-strength aluminum alloy molded line water-blocking overhead insulated conductor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2437272A1 (en) * | 2010-09-30 | 2012-04-04 | Nexans | Power cable with a water barrier laminate |
| 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 |
| CN203134448U (en) * | 2012-12-13 | 2013-08-14 | 江苏远洋东泽电缆股份有限公司 | Submarine cable with increased current-carrying capacity |
| CN204215800U (en) * | 2014-12-01 | 2015-03-18 | 刘颂凯 | Exchange 500kV sea electric power cable structure |
| CN105810302A (en) * | 2016-05-20 | 2016-07-27 | 江苏亨通高压电缆有限公司 | Specially-shaped conductor employing non-standard twisting of submarine cable |
-
2016
- 2016-08-08 CN CN201610640954.8A patent/CN106098192A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2437272A1 (en) * | 2010-09-30 | 2012-04-04 | Nexans | Power cable with a water barrier laminate |
| 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 |
| CN203134448U (en) * | 2012-12-13 | 2013-08-14 | 江苏远洋东泽电缆股份有限公司 | Submarine cable with increased current-carrying capacity |
| CN204215800U (en) * | 2014-12-01 | 2015-03-18 | 刘颂凯 | Exchange 500kV sea electric power cable structure |
| CN105810302A (en) * | 2016-05-20 | 2016-07-27 | 江苏亨通高压电缆有限公司 | Specially-shaped conductor employing non-standard twisting of submarine cable |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139865A (en) * | 2017-06-06 | 2017-09-08 | 江阴弘远新能源科技有限公司 | A kind of efficient automobile starts super capacitor module |
| CN109300607A (en) * | 2018-10-15 | 2019-02-01 | 航天瑞奇电缆有限公司 | A kind of abnormity single line circle process copper conductor and special-shaped single line circle process copper conductor cable |
| CN112820467A (en) * | 2021-01-29 | 2021-05-18 | 杭州电缆股份有限公司 | Preparation method of 10kV medium-strength aluminum alloy molded line water-blocking overhead insulated conductor |
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Application publication date: 20161109 |