CN105810301A - Large-section seabed DC cable specially-shaped conductor - Google Patents
Large-section seabed DC cable specially-shaped conductor Download PDFInfo
- Publication number
- CN105810301A CN105810301A CN201610314086.4A CN201610314086A CN105810301A CN 105810301 A CN105810301 A CN 105810301A CN 201610314086 A CN201610314086 A CN 201610314086A CN 105810301 A CN105810301 A CN 105810301A
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- layer
- single line
- trapezoidal single
- conductor
- line
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/08—Several wires or the like stranded in the form of a rope
- H01B5/10—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material
-
- 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
- H01B9/00—Power cables
- H01B9/006—Constructional features relating to the conductors
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a large-section seabed DC cable specially-shaped conductor. The large-section seabed DC cable specially-shaped conductor is formed by twisting a conductor central line and a plurality of trapezoid single lines by one time, wherein the conductor central line is a solid copper rod, the plurality of trapezoid single lines are divided to six layers, and the six layers are sequentially a first layer of trapezoid single line, a second layer of trapezoid single line, a third layer of trapezoid single line, a fourth layer of trapezoid single line, a fifth layer of trapezoid single line and a six layer of trapezoid single line from inside to outside. Through the above mode, the large-section seabed DC cable specially-shaped conductor is compact in structure, the filling coefficient can be increased, and the production efficiency is improved; moreover, the trapezoid single lines are difficult to turn over during the twisting process; and meanwhile, the production process and the production difficulty are reduced, the cable material is saved, the water resistance performance is improved, and the water resistance performance requirement of a seabed cable is met.
Description
Technical field
The present invention relates to power cable field, particularly relate to a kind of heavy in section subsea DC cable profile conductor.
Background technology
Along with the fast development of Islands Exploitation strategy and maritime renewable energy generating, the especially rapid expansion of Oversea wind power generation, seabed high voltage power cable demand is increasing.Domestic 220kV photoelectric composite submarine cable industrialization, but 500kV seabed high tension cable only has several family to pass through test experiments, and major part producer is also in development.GB/T3956-2008 specify only nominal area of section 0.5mm2To 2500mm2, for 3000mm2Segmental conductor is but without clearly requiring.Due to the restriction that frame type stranding machine dish number and filament diameter require, 3000mm is not accomplished in circular compact conductor cross section2Cross section, and 3000mm2Milliken conductor block-water performance is bad, and this is accomplished by developing another kind of profile conductor.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of heavy in section subsea DC cable profile conductor, compact conformation, it is possible to increase activity coefficient, improves production efficiency, and trapezoidal single line in stranding process is not easily stood up；Reduce the difficulty of processing technique and production simultaneously, save cable material, improve block-water performance so that it is meet submarine cable block-water performance requirement.
For solving above-mentioned technical problem, the technical scheme that the present invention adopts is: provide a kind of heavy in section subsea DC cable profile conductor, described heavy in section subsea DC cable profile conductor is by conductor centrage and the once stranded molding of some trapezoidal single lines, described conductor centrage is solid copper bar, described some trapezoidal single lines are divided into six layers, are followed successively by the trapezoidal single line of ground floor, the trapezoidal single line of the second layer, the trapezoidal single line of third layer, the 4th layer of trapezoidal single line, the trapezoidal single line of layer 5 and the trapezoidal single line of layer 6 from inside to outside.
In a preferred embodiment of the present invention, the height of the trapezoidal single line of described ground floor, the trapezoidal single line of the second layer, the trapezoidal single line of third layer, the 4th layer of trapezoidal single line, the trapezoidal single line of layer 5 and the trapezoidal single line of layer 6 is 4.75mm.
In a preferred embodiment of the present invention, the line number of the trapezoidal single line of described ground floor is 6, and angle is 60 °.
In a preferred embodiment of the present invention, the line number of the trapezoidal single line of the described second layer is 12, and angle is 30 °.
In a preferred embodiment of the present invention, the line number of the trapezoidal single line of described third layer is 18, and angle is 20 °.
In a preferred embodiment of the present invention, the line number of described 4th layer of trapezoidal single line is 22, and angle is 16.36 °.
In a preferred embodiment of the present invention, the line number of the trapezoidal single line of described layer 5 is 28, and angle is 12.85 °.
In a preferred embodiment of the present invention, the line number of the trapezoidal single line of described layer 6 is 34, and angle is 10.58 °.
In a preferred embodiment of the present invention, the diameter of described solid copper bar is 6mm.
In a preferred embodiment of the present invention, four angles of described some trapezoidal single lines are the circular arc chamfering that radius is 0.3mm.
The invention has the beneficial effects as follows: adopt solid copper bar as conductor centrage, and with the trapezoidal single line of some layers once stranded molding, compact conformation, increase activity coefficient, significantly improve production efficiency, and make trapezoidal single line (especially innermost layer) in stranding process be not easy to stand up；Reduce the difficulty of processing technique and production simultaneously, save cable material, improve block-water performance, meet submarine cable block-water performance requirement.
Accompanying drawing explanation
Fig. 1 is the structural representation of extruded insulation three core submarine cable in prior art；
In accompanying drawing, the labelling of each parts is as follows: 1, conductor centrage, and 2, the trapezoidal single line of ground floor, 3, the trapezoidal single line of the second layer, 4, the trapezoidal single line of third layer, the 5, the 4th layer of trapezoidal single line, 6, the trapezoidal single line of layer 5,7, the trapezoidal single line of layer 6.
Detailed description of the invention
Below in conjunction with accompanying drawing, presently preferred embodiments of the present invention is described in detail, so that advantages and features of the invention can be easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention being made apparent clear and definite defining.
Referring to Fig. 1, the embodiment of the present invention includes:
A kind of heavy in section subsea DC cable profile conductor, described heavy in section subsea DC cable profile conductor is adopted 127 dish frame winch once stranded molding by conductor centrage 1 and some trapezoidal single lines, the external diameter of whole conductor is 63mm, reduces the difficulty of processing technique and production.
Described conductor centrage is solid copper bar, and the diameter of described solid copper bar is 6mm.Make the conductor can once stranded molding, it is not necessary at twice, conductor production efficiency can be improved simultaneously.
Described some trapezoidal single lines are divided into six layers, are followed successively by the trapezoidal single line of ground floor 2, the trapezoidal single line of the second layer 3, the 4, the 4th layer of trapezoidal single line 5 of the trapezoidal single line of third layer, the trapezoidal single line of layer 56 and the trapezoidal single line 7 of layer 6 from inside to outside.
Mainly consider the sectional area as far as possible reducing each special-shaped copper single line, it is easy to processing, in order to special-shaped copper single line is unlikely to too narrow or too wide, occurs without special-shaped copper single line and stand up situation, the quantity of every layer of special-shaped copper single line band is rationally set, it does not have adopt regular stranded mode to produce.The parameter of trapezoidal for each layer single line is provided that
The height of the trapezoidal single line of described ground floor 2, the trapezoidal single line of the second layer 3, the 4, the 4th layer of trapezoidal single line 5 of the trapezoidal single line of third layer, the trapezoidal single line of layer 56 and the trapezoidal single line 7 of layer 6 is 4.75mm.
The line number of the trapezoidal single line 2 of described ground floor is 6, and angle is 60 °.
The line number of the trapezoidal single line 3 of the described second layer is 12, and angle is 30 °.
The line number of the trapezoidal single line 4 of described third layer is 18, and angle is 20 °.
The line number of described 4th layer of trapezoidal single line 5 is 22, and angle is 16.36 °.
The line number of the trapezoidal single line 6 of described layer 5 is 28, and angle is 12.85 °.
The line number of the trapezoidal single line 7 of described layer 6 is 34, and angle is 10.58 °.
Four angles of described some trapezoidal single lines are the circular arc chamfering that radius is 0.3mm, have taken into account production and processing needs and activity coefficient requirement.
The heavy in section subsea DC cable profile conductor of the present invention meets the requirement of 500kV high tension cable conductor current-carrying capacity；Solve the restricted problem in the circular stranded cross section of single line；Overcome the weakness of milliken conductor block-water performance difference.
Present invention is disclosed a kind of heavy in section subsea DC cable profile conductor, adopt solid copper bar as conductor centrage, and with the once stranded molding of the trapezoidal single line of some layers, compact conformation, increase activity coefficient, significantly improve production efficiency, and make trapezoidal single line (especially innermost layer) in stranding process be not easy to stand up；Reduce the difficulty of processing technique and production simultaneously, save cable material, improve block-water performance, meet submarine cable block-water performance requirement.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in the scope of patent protection of the present invention.
Claims (10)
1. a heavy in section subsea DC cable profile conductor, it is characterized in that, described heavy in section subsea DC cable profile conductor is by conductor centrage and the once stranded molding of some trapezoidal single lines, described conductor centrage is solid copper bar, described some trapezoidal single lines are divided into six layers, are followed successively by the trapezoidal single line of ground floor, the trapezoidal single line of the second layer, the trapezoidal single line of third layer, the 4th layer of trapezoidal single line, the trapezoidal single line of layer 5 and the trapezoidal single line of layer 6 from inside to outside.
2. heavy in section according to claim 1 subsea DC cable profile conductor, it is characterized in that, the height of the trapezoidal single line of described ground floor, the trapezoidal single line of the second layer, the trapezoidal single line of third layer, the 4th layer of trapezoidal single line, the trapezoidal single line of layer 5 and the trapezoidal single line of layer 6 is 4.75mm.
3. heavy in section according to claim 1 subsea DC cable profile conductor, it is characterised in that the line number of the trapezoidal single line of described ground floor is 6, angle is 60 °.
4. heavy in section according to claim 1 subsea DC cable profile conductor, it is characterised in that the line number of the trapezoidal single line of the described second layer is 12, angle is 30 °.
5. heavy in section according to claim 1 subsea DC cable profile conductor, it is characterised in that the line number of the trapezoidal single line of described third layer is 18, angle is 20 °.
6. heavy in section according to claim 1 subsea DC cable profile conductor, it is characterised in that the line number of described 4th layer of trapezoidal single line is 22, and angle is 16.36 °.
7. heavy in section according to claim 1 subsea DC cable profile conductor, it is characterised in that the line number of the trapezoidal single line of described layer 5 is 28, angle is 12.85 °.
8. heavy in section according to claim 1 subsea DC cable profile conductor, it is characterised in that the line number of the trapezoidal single line of described layer 6 is 34, angle is 10.58 °.
9. heavy in section according to claim 1 subsea DC cable profile conductor, it is characterised in that the diameter of described solid copper bar is 6mm.
10. heavy in section according to claim 1 subsea DC cable profile conductor, it is characterised in that four angles of described some trapezoidal single lines are the circular arc chamfering that radius is 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314086.4A CN105810301A (en) | 2016-05-13 | 2016-05-13 | Large-section seabed DC cable specially-shaped conductor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314086.4A CN105810301A (en) | 2016-05-13 | 2016-05-13 | Large-section seabed DC cable specially-shaped conductor |
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| CN105810301A true CN105810301A (en) | 2016-07-27 |
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| CN201610314086.4A Pending CN105810301A (en) | 2016-05-13 | 2016-05-13 | Large-section seabed DC cable specially-shaped conductor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106057329A (en) * | 2016-08-08 | 2016-10-26 | 中天科技海缆有限公司 | Trapezoidal single wire water-blocking conductor for +/-500kV flexible DC cable and submarine cable |
| CN106205820A (en) * | 2016-08-29 | 2016-12-07 | 中天科技海缆有限公司 | ± 500kV ladder-shaped conductor brass wire shielding Optical Fiber Composite direct current cables |
| CN106448835A (en) * | 2016-11-29 | 2017-02-22 | 重庆泰山电缆有限公司 | Super large cross-sectional cable water-blocking conductor |
| CN106710686A (en) * | 2016-11-29 | 2017-05-24 | 重庆泰山电缆有限公司 | Large-section conductor 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 |
| CN106874590A (en) * | 2016-12-12 | 2017-06-20 | 全球能源互联网研究院 | Method for designing special-shaped copper single-wire large-section submarine cable conductor |
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| JPH11162260A (en) * | 1997-11-28 | 1999-06-18 | Hitachi Cable Ltd | Low looseness and increased capacity wire |
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| CN102483973A (en) * | 2009-07-16 | 2012-05-30 | 3M创新有限公司 | Submersible Composite Cable And Methods |
| CN202632866U (en) * | 2012-04-25 | 2012-12-26 | 四川九洲线缆有限责任公司 | Icing resistance overhead conductor |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106057329A (en) * | 2016-08-08 | 2016-10-26 | 中天科技海缆有限公司 | Trapezoidal single wire water-blocking conductor for +/-500kV flexible DC cable and submarine cable |
| CN106205820A (en) * | 2016-08-29 | 2016-12-07 | 中天科技海缆有限公司 | ± 500kV ladder-shaped conductor brass wire shielding Optical Fiber Composite direct current cables |
| CN106448835A (en) * | 2016-11-29 | 2017-02-22 | 重庆泰山电缆有限公司 | Super large cross-sectional cable water-blocking conductor |
| CN106710686A (en) * | 2016-11-29 | 2017-05-24 | 重庆泰山电缆有限公司 | Large-section conductor 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 |
| WO2018099191A1 (en) * | 2016-11-29 | 2018-06-07 | 重庆泰山电缆有限公司 | Direct-current submarine cable |
| CN106874590A (en) * | 2016-12-12 | 2017-06-20 | 全球能源互联网研究院 | Method for designing special-shaped copper single-wire large-section submarine cable conductor |
| WO2018107537A1 (en) * | 2016-12-12 | 2018-06-21 | 全球能源互联网研究院 | Method for designing large-section submarine cable conductor based on special-shaped copper single line |
| CN106874590B (en) * | 2016-12-12 | 2019-12-27 | 全球能源互联网研究院 | Method for designing special-shaped copper single-wire large-section submarine cable conductor |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 215500 Changshou City Economic Development Zone, Jiangsu province Tongda Road, No. 8, No. Applicant after: Hengtong Submarine Power Cable Co.,Ltd. Address before: 215500 Changshou City Economic Development Zone, Jiangsu province Tongda Road, No. 8, No. Applicant before: JIANGSU HENGTONG HIGH-VOLTAGE CABLE CO.,LTD. |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160727 |
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| RJ01 | Rejection of invention patent application after publication |