CN102360615A - High voltage and ultra-high voltage direct current (DC) cross-linked polyethylene insulated sea electric power cable - Google Patents
High voltage and ultra-high voltage direct current (DC) cross-linked polyethylene insulated sea electric power cable Download PDFInfo
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- CN102360615A CN102360615A CN2011102974955A CN201110297495A CN102360615A CN 102360615 A CN102360615 A CN 102360615A CN 2011102974955 A CN2011102974955 A CN 2011102974955A CN 201110297495 A CN201110297495 A CN 201110297495A CN 102360615 A CN102360615 A CN 102360615A
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- 229920003020 cross-linked polyethylene Polymers 0.000 title abstract description 12
- 239000004703 cross-linked polyethylene Substances 0.000 title abstract description 12
- 239000004020 conductor Substances 0.000 claims abstract description 42
- 229920003023 plastic Polymers 0.000 claims abstract description 29
- 239000004033 plastic Substances 0.000 claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 27
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000835 fiber Substances 0.000 claims description 17
- 229910045601 alloy Inorganic materials 0.000 claims description 13
- 239000000956 alloy Substances 0.000 claims description 13
- 239000004411 aluminium Substances 0.000 claims description 13
- 230000004888 barrier function Effects 0.000 claims description 10
- 238000012856 packing Methods 0.000 claims description 10
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 9
- 235000011613 Pinus brutia Nutrition 0.000 claims description 9
- 241000018646 Pinus brutia Species 0.000 claims description 9
- 239000006071 cream Substances 0.000 claims description 8
- 239000013307 optical fiber Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 7
- 239000011701 zinc Substances 0.000 claims description 7
- 229910052725 zinc Inorganic materials 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 229920001903 high density polyethylene Polymers 0.000 claims description 6
- 239000004700 high-density polyethylene Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 5
- 239000010962 carbon steel Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000005684 electric field Effects 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 5
- 239000010410 layer Substances 0.000 abstract 8
- 229910001209 Low-carbon steel Inorganic materials 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000011241 protective layer Substances 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000002131 composite material Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 4
- 239000013535 sea water Substances 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000002500 effect on skin Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The invention relates to a high voltage and ultra-high voltage direct current (DC) cross-linked polyethylene insulated sea electric power cable, comprising a waterproof conductor, a conductor shielding layer, an insulating layer, an insulating shielding layer, a semi-conductive waterproof buffer layer, a metal shielding layer, a semi-conductive plastic reinforcing protective layer, filling strips, a cabling strapping tape, a metal armoring layer and an outer coating respectively from inside to outside in sequence. The high voltage and ultra-high voltage DC cross-linked polyethylene insulated sea electric power cable adopts a positive and negative DC transmission wire core integrated cabling structure, and avoids the polarized electric field corrosion effect of the metal armoring layer, and the metal armoring layer of the cable can be manufactured by using a common galvanized mild steel wire. Simultaneously, a dual-core DC high voltage sea electric power cable is more convenient to lay than a single-core DC high voltage sea electric power cable, and occupies less tidal flat laying route resource. The DC high voltage sea electric power cable can adopt a single solid core aluminum conductor, and has low manufacturing cost and better water-tightness.
Description
Technical field
The invention belongs to the technical field of cable; Be specifically related to a kind of being laid in the environment for use of ocean; Have power cable at the bottom of the crosslinked polyetylene insulated sea electric power cable of high pressure, super high voltage direct current electricity transmission or the photoelectric composite sea of good mechanical performance and antiseptic property, this cable has adopted positive and negative to direct current transportation cable core set stranding structure.
Background technology
In recent years; Expansion along with high pressure, superhigh pressure seabed DC transmission engineering applied technical field; Especially laying the relatively poor length of environment apart from sea electric power cable power transmission engineering system; In the wind energy on the sea generation engineering system, the application system of selecting crosslinked polyetylene insulated high direct voltage sea electric power cable electric power transmission network to substitute ac high-voltage sea electric power cable electric power transmission network gets more and more at a distance.But the conventional single-core crosslinked polyethylene insulated galvanized wire armoring high direct voltage electric power cable in the seawater that is laid in; Owing to there is the polarization cell effect of dc high voltage electric field; Make the outer enhance protection " zinc-coated wire armour " of high direct voltage sea electric power cable; In the galvanic effect environment in seawater, through just being damaged one not oversize period by galvano-cautery.So the armouring zinc-coated wire of the single-core crosslinked polyethylene insulation high direct voltage sea electric power cable of past routine, its skin all is enclosed with one deck anti-rot plastic layer.The manufacturing of this submarine cable armouring special anti-corrosion plastic coating steel wire is difficulty, and cost is also higher.In addition, single-core crosslinked polyethylene insulation high direct voltage sea electric power cable, cable laying operation are difficult.It is also more that shared seashore beach lays route resource.
Summary of the invention
Technical problem to be solved by this invention provides crosslinked polyetylene insulated, the plumbous cover shielding+semiconductive of a kind of ± 100～400kV plastics and strengthens sheath, the positive and negative two core direct current transportation sea electric power cables that assemble the cable structure to the direct current transportation core.This direct current sea electric power cable can be exempted the polarized electric field corrosion effect of outer layer metal armour effectively, and the metal armouring layer adopts the manufacturing of common zinc plated mild carbon steel silk.
In order to solve above-mentioned technical problem, technical scheme of the present invention is:
A kind of high pressure, the crosslinked polyetylene insulated sea electric power cable of superhigh voltage DC; Be that metal armouring layer, metal armouring layer are the stranding strapping in the serving; Forward dc power transmission cable core and negative sense direct current transportation cable core are tied up by the stranding strapping; Positive and negatively all be followed successively by water-blocking conductor, conductor shield, insulating barrier, insulation screen, semiconductive water-blocking buffer layer and metal screen layer from inside to outside, be filled with packing between forward dc power transmission cable core and the negative sense direct current transportation cable core to the direct current transportation cable core.
At least also be provided with a submarine fiber cable unit in the stranding space between forward dc power transmission cable core and the negative sense direct current transportation cable core.
The submarine fiber cable unit comprises the data communication monomode fiber by internal layer respectively to skin, fills optical fiber cream, plastics pine sleeve pipe; Packing strengthens steel wire, gasket for packing; Plastic-aluminum combined vertical bag water barrier; Plastics enhance protection layer, the plumbous cover of sea light cable alloy anticorrosive coat, and sea light cable high-density polyethylene plastics enhance protection layer.
Its internal layer of submarine fiber cable unit to skin comprises the data communication monomode fiber successively respectively, fills optical fiber cream, plastics pine sleeve pipe, stainless loose sleeve pipe; Fill optical fiber cream and be filled between plastics pine sleeve pipe and the stainless loose sleeve pipe, sea light cable high-intensity fine wire armoring layer is arranged outside the stainless loose sleeve pipe, and sea light cable high-density polyethylene plastics enhance protection layer.
Said water-blocking conductor adopts single real core aluminium conductor.
The metal armouring layer is processed with common zinc plated mild carbon steel silk.
High pressure provided by the invention, the crosslinked polyetylene insulated sea electric power cable of superhigh voltage DC; Adopted crosslinked polyetylene insulated, plumbous cover shielding+semiconductive plastics to strengthen sheath; Positive and negative to direct current transportation core aggregation type two core strandings structure, it can exempt the polarized electric field corrosion effect of outer layer metal armour effectively; The metal armouring layer can be used the manufacturing of common zinc plated mild carbon steel silk, is laid in the abominable ocean environment for use, has better mechanical performance and applicable performance.
The conductor wire core of direct current sea electric power cable, owing to need not consider skin effect, so the conductor wire core of direct current sea electric power cable can adopt single real core conductor.Because aluminium conductor is soft, heavy in section aluminium conductor processing technology is also ripe, and aluminium conductor proportion is also less simultaneously, and price is also very low, and what the mechanical strength of heavy in section aluminium conductor also can finely satisfy sea electric power cable simultaneously lays the tension force requirement.Therefore the conductor wire core of direct current sea electric power cable is selected, and can pay the utmost attention to and adopt single real core aluminium conductor, so also can reduce the manufacturing cost of sea electric power cable significantly.Adopt the sea electric power cable of single real core conductor, the conductor wire core block-water performance is better.Water-blocking conductor of the present invention adopts single real core aluminium conductor, and its block-water performance is better, and can reduce the manufacturing cost of direct current sea electric power cable significantly.
Direct current submarine cable of the present invention can lay the ship one-off construction with general sea electric power cable and lay, and the sea-bottom embedment construction is also more convenient.Cables manufacturing cost and cable laying operation cost are lower.And take the seashore beach less and lay route resource, underpay many seashore beach every year and take the resource expense.
Of the present inventionly positive and negatively assemble two core direct current transportation sea electric power cables of cable structure, be specially adapted to seabed high pressure, superhigh pressure " flexible DC power transmission system " engineering to the direct current transportation core.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation.
Fig. 1 is the structural representation of cable of the present invention.
Fig. 2 is the structural representation of the present invention that the optical cable unit is housed.
Fig. 3 is the structure chart that adopts the composite cable unit, seabed of alloy lead sheath, core wire enhancing.
Fig. 4 is the structure chart that adopts the submarine fiber cable unit of LWA light wire armoured, the compound loose sleeve pipe of stainless steel.
Embodiment
Embodiment 1: a kind of high pressure, the crosslinked polyetylene insulated sea electric power cable of superhigh voltage DC; Be that metal armouring layer 10, metal armouring layer 10 are stranding strapping 9 in the serving 11; Forward dc power transmission cable core and negative sense direct current transportation cable core are tied up by stranding strapping 9; Positive and negatively all be followed successively by water-blocking conductor 1, conductor shield 2, insulating barrier 3, insulation screen 4, semiconductive water-blocking buffer layer 5 and metal screen layer 6 from inside to outside, be filled with packing 8 between forward dc power transmission cable core and the negative sense direct current transportation cable core to the direct current transportation cable core.
Described insulating barrier 3 is made up of modification direct current cross-linked polyethylene insulating material.With the crosslinked polyethylene is each item better mechanical property of the sea electric power cable of insulating material, lays in the environment in abominable ocean, and the antisurge impact property is strong, and bending property is preferably arranged, and shock resistance is good, and is non-maintaining.Therefore cross-linked polyethylene insulated cable more is applicable to the submarine cable bad working environment.The direct current cross-linked polyethylene insulating material of insulating barrier 3 can adopt homemade " modified crosslinking polyethylene (XLPE) " direct current cables Insulation Material; Also can adopt the direct current cross-linked polyethylene insulating material of " Borealis ".
The conductor wire core of direct current sea electric power cable, owing to need not consider skin effect, so the conductor wire core of direct current sea electric power cable can adopt single real core conductor.The direct current sea electric power cable of small bore conductive copper wire core can adopt single real core copper conductor, and heavy in section conductive copper wire core direct current sea electric power cable can adopt block structure boundling copper conductor, and the stop water of submarine cable conductor wire core is simpler like this.Because aluminium conductor is soft, heavy in section aluminium conductor processing technology is also ripe, and aluminium conductor proportion is also less simultaneously, and price is also very low, and what the mechanical strength of heavy in section aluminium conductor also can finely satisfy sea electric power cable simultaneously lays the tension force requirement.Therefore the conductor wire core of direct current sea electric power cable is selected, and adopts single real core aluminium conductor, so also can reduce the manufacturing cost of sea electric power cable significantly.Adopt the sea electric power cable of single real core conductor, the conductor wire core block-water performance is better.
In the outside of semiconductive water-blocking buffer layer 5 is radially airtight metal screen layer 6, and the metal screen layer 6 of sea electric power cable generally all should adopt the alloy lead sleeve metal screen layer structure that extrudes because there is special anti-seawater corrosion to require and requirement of mechanical strength.Alloy lead sleeve screen and semiconductive plastics enhance protection layer 7 are united the barrier isolation structure that the formation submarine cable radially blocks water and prevents seawater corrosion.Described semiconductive plastics enhance protection layer 7 can be used modification semiconductive polyethylene (PE) or the manufacturing of semiconductive polyvinyl chloride (PVC) plastics.
Continuous lead extruder is adopted in the manufacturing of alloy lead sleeve screen.Be used for the alloy lead that submarine cable is made,, the plumbous cooperation trade mark of multiple alloy can be arranged according to the different constructions of cable and the use habit of each cables manufacturing enterprise.Be applied to the alloy lead material and the continuous lead extruder of the preparation of length submarine cable, should be able to guarantee to reach the continuous extruded processing performance of a few days or ten a few days.
In order to eliminate the electric field polarization electrical erosion effect of high direct voltage sea electric power cable.The present invention has adopted the positive and negative two core direct current sea electric power cable project organizations that assemble the cable structure to the direct current transportation core.The stranding operation of two core direct current sea electric power cables is accomplished on the large-scale vertical cabler.Positive and negative polarized electric field on its alloy lead sleeve metal sheath of two cable cores of direct current transportation; Short circuit is eliminated through semiconductive plastics enhance protection layer; The outside armouring wire of direct current sea electric power cable tightly is wrapped in the skin of two cable cores simultaneously; No longer there is polarized electric field, therefore can adopts common zinc plated mild carbon steel silk to do our direct current sea electric power cable metal armouring layer.
Outside the said metal armouring layer 10 is serving 11.The serving 11 of two core direct current sea electric power cables can adopt reinforced plastics adhesive tape parcel to process.Also can adopt bituminizing polypropylene (PP) rope to twine manufacturing process.
The explanation of patent of invention expansion specific embodiments:
Embodiment 2:
Fig. 2 is another art designs application example of the present invention: the main distinction of it and Fig. 1 scheme is to assemble the cable operation positive and negative to the direct current transportation core, has added one or two submarine fiber cable unit 12 in the stranding space of two cable cores.Constitute crosslinked polyetylene insulated, the plumbous cover shielding+semiconductive of a kind of ± 100～400kV plastics and strengthened sheath, power cable at the bottom of thicker wire armouring, the two core direct current transportation photoelectric composite seas.
Fig. 2 implements explanation: crosslinked polyetylene insulated, the plumbous cover shielding+semiconductive of a kind of being used for ± 100～400kV plastics strengthen sheath, power cable at the bottom of thicker wire armouring, the two core direct current transportation photoelectric composite seas.As shown in Figure 2, its internal layer is to outer water-blocking conductor 1, conductor shield 2, insulating barrier 3, insulation screen 4, semiconductive water-blocking buffer layer 5, metal screen layer 6, semiconductive plastics enhance protection layer 7, packing 8, stranding strapping 9, metal armouring layer 10, serving 11 and the submarine cable composite cable unit 12 that comprises cable successively respectively.
Submarine cable composite cable unit 12 can adopt alloy lead sheath as shown in Figure 3, core wire to strengthen structure or the compound loose sleeve structure of LWA light wire armoured, stainless steel shown in Figure 4.
The seabed composite cable cellular construction explanation that a kind of alloy lead sheath shown in Figure 3, core wire strengthen: submarine fiber cable unit 12 comprises data communication monomode fiber 13 by internal layer respectively to skin, fills optical fiber cream 14, plastics pine sleeve pipe 15; Packing 16 strengthens steel wire 17, gasket for packing 18; Plastic-aluminum combined vertical bag water barrier 19; Plastics enhance protection layer 20, the plumbous cover of sea light cable alloy anticorrosive coat 21, and sea light cable high-density polyethylene plastics enhance protection layer 22.
The submarine fiber cable cellular construction explanation of a kind of LWA light wire armoured shown in Fig. 4, the compound loose sleeve pipe of stainless steel: submarine fiber cable unit 12 its internal layer to skins comprise data communication monomode fiber 13 successively respectively; Fill optical fiber cream 23; Plastics pine sleeve pipe 15, stainless loose sleeve pipe 24; Fill optical fiber cream 23 and be filled between plastics pine sleeve pipe 23 and the stainless loose sleeve pipe 24, sea light cable high-intensity fine wire armoring layer 25 is arranged outside stainless loose sleeve pipe 24, and sea light cable high-density polyethylene plastics enhance protection layer 22.
Claims (6)
1. a high pressure, the crosslinked polyetylene insulated sea electric power cable of superhigh voltage DC; Be to be stranding strapping (9) in metal armouring layer (10), the metal armouring layer (10) in the serving (11); It is characterized in that: forward dc power transmission cable core and negative sense direct current transportation cable core are tied up by stranding strapping (9); Positive and negatively all be followed successively by water-blocking conductor (1), conductor shield (2), insulating barrier (3), insulation screen (4), semiconductive water-blocking buffer layer (5) and metal screen layer (6) from inside to outside, be filled with packing (8) between forward dc power transmission cable core and the negative sense direct current transportation cable core to the direct current transportation cable core.
2. high pressure according to claim 1, the crosslinked polyetylene insulated sea electric power cable of superhigh voltage DC is characterized in that: at least also be provided with a submarine fiber cable unit (12) in the stranding space between forward dc power transmission cable core and the negative sense direct current transportation cable core.
3. high pressure according to claim 2, the crosslinked polyetylene insulated sea electric power cable of superhigh voltage DC is characterized in that: submarine fiber cable unit (12) comprise data communication monomode fiber (13) by internal layer respectively to skin, fill optical fiber cream (14); Plastics pine sleeve pipe (15); Packing (16) strengthens steel wire (17), gasket for packing (18); Plastic-aluminum combined vertical bag water barrier (19); Plastics enhance protection layer (20), the plumbous cover of sea light cable alloy anticorrosive coat (21), and sea light cable high-density polyethylene plastics enhance protection layer (22).
4. high pressure according to claim 2, the crosslinked polyetylene insulated sea electric power cable of superhigh voltage DC; It is characterized in that: its internal layer of submarine fiber cable unit (12) to skin comprises data communication monomode fiber (13) successively respectively; Fill optical fiber cream (14); Plastics pine sleeve pipe (15), stainless loose sleeve pipe (24); Factice for filling (23) is filled between plastics pine sleeve pipe (15) and the stainless loose sleeve pipe (24); Sea light cable high-intensity fine wire armoring layer (25) is arranged outside stainless loose sleeve pipe (24), and sea light cable high-density polyethylene plastics enhance protection layer (22).
5. high pressure according to claim 1, the crosslinked polyetylene insulated sea electric power cable of superhigh voltage DC is characterized in that: said water-blocking conductor (1) adopts single real core aluminium conductor.
6. high pressure according to claim 1, the crosslinked polyetylene insulated sea electric power cable of superhigh voltage DC is characterized in that: metal armouring layer (10) is processed with common zinc plated mild carbon steel silk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102974955A CN102360615A (en) | 2011-09-29 | 2011-09-29 | High voltage and ultra-high voltage direct current (DC) cross-linked polyethylene insulated sea electric power cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102974955A CN102360615A (en) | 2011-09-29 | 2011-09-29 | High voltage and ultra-high voltage direct current (DC) cross-linked polyethylene insulated sea electric power cable |
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| CN102360615A true CN102360615A (en) | 2012-02-22 |
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| CN2011102974955A Pending CN102360615A (en) | 2011-09-29 | 2011-09-29 | High voltage and ultra-high voltage direct current (DC) cross-linked polyethylene insulated sea electric power cable |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103000292A (en) * | 2012-12-21 | 2013-03-27 | 中天科技海缆有限公司 | Ultrahigh pressure cross linked polyethylene insulated flexible direct-current optical fiber composite submarine cable |
| CN103093891A (en) * | 2013-02-04 | 2013-05-08 | 宁波东方电缆股份有限公司 | Direct current submarine cable for +/- 320kV flexible transmission |
| CN103123823A (en) * | 2013-02-27 | 2013-05-29 | 宁波东方电缆股份有限公司 | Direct-current submarine cable for flexible power transmission |
| CN103123826A (en) * | 2013-03-22 | 2013-05-29 | 国网电力科学研究院 | High voltage and ultrahigh voltage flexible direct current transmission optical fiber composite extrusion insulation power cable |
| CN103531280A (en) * | 2013-10-11 | 2014-01-22 | 中国能源建设集团广东省电力设计研究院 | Submarine cable and construction method thereof |
| CN103956216A (en) * | 2014-04-16 | 2014-07-30 | 宁海县雁苍山电力设备厂 | Photoelectric composite power cable and machining process |
| CN105405497A (en) * | 2015-12-16 | 2016-03-16 | 中天科技海缆有限公司 | Positive and negative electrodes syncretic optical fiber composite flexible DC medium voltage cable for urban distribution network system |
| CN111524644A (en) * | 2020-04-30 | 2020-08-11 | 中天科技海缆有限公司 | Submarine cable |
| CN116386940A (en) * | 2023-05-10 | 2023-07-04 | 中辰电缆(江西)有限公司 | a high voltage cable |
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Cited By (13)
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| CN103000292B (en) * | 2012-12-21 | 2015-04-08 | 中天科技海缆有限公司 | Ultrahigh pressure cross linked polyethylene insulated flexible direct-current optical fiber composite submarine cable |
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| CN103956216B (en) * | 2014-04-16 | 2016-08-24 | 象山一山工业设计有限公司 | Photoelectricity composite power cable and processing technique |
| CN105405497A (en) * | 2015-12-16 | 2016-03-16 | 中天科技海缆有限公司 | Positive and negative electrodes syncretic optical fiber composite flexible DC medium voltage cable for urban distribution network system |
| CN111524644A (en) * | 2020-04-30 | 2020-08-11 | 中天科技海缆有限公司 | Submarine cable |
| CN116386940A (en) * | 2023-05-10 | 2023-07-04 | 中辰电缆(江西)有限公司 | a high voltage cable |
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Application publication date: 20120222 |