CN101950619A - Hybrid armored structure of single-core high-voltage submarine cable - Google Patents
Hybrid armored structure of single-core high-voltage submarine cable Download PDFInfo
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- CN101950619A CN101950619A CN 201010272387 CN201010272387A CN101950619A CN 101950619 A CN101950619 A CN 101950619A CN 201010272387 CN201010272387 CN 201010272387 CN 201010272387 A CN201010272387 A CN 201010272387A CN 101950619 A CN101950619 A CN 101950619A
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Abstract
The invention discloses a hybrid armored structure of a single-core high-voltage submarine cable. The structure comprises a hybrid armored layer, and the hybrid armored layer is annular and is formed by arranging green round copper wires and non-magnetic stainless steel wires at intervals one by one. The structure has the advantages that: compared with a galvanized round steel wire armored layer, the hybrid armored layer formed by arranging the green round copper wires and the non-magnetic stainless steel wires at intervals one by one cam effectively reduce the loss of armored vortex when used for armoring the submarine cable; on the other hand, because the hybrid armored layer of the armored structure is formed by arranging the green round copper wires and the non-magnetic stainless steel wires at intervals, the consumption of the green round copper wires is low, and the cost of the armored structure is greatly reduced compared with a double-layer flat bronze wire armored layer; meanwhile, the utilization of the non-magnetic stainless steel wires can improve the integral mechanical performance of the submarine cable so as to greatly improve the severe environment resistance of the submarine cable; and moreover, the armored structure can be well applied to the submarine cable of high-voltage level of 110kv or more.
Description
Technical field
The present invention relates to a kind of single core high pressure sea cable, especially relate to the mixed type sheathed structure of a kind of single core high pressure sea cable.
Background technology
Fig. 3 a, Fig. 3 b and Fig. 4 a, Fig. 4 b are respectively the structural representation of at present comparatively common in the world two kinds of submarine cables.Submarine cable shown in Fig. 3 a and Fig. 3 b is the submarine cable of zinc-plated round steel wire armouring, it mainly comprises conductor 21 and is set in turn in conductor 21 conductor shield 22 outward, insulating barrier 23, insulation screen 24, metallic sheath 27, inner sheath 28, zinc-plated round steel wire armour 210 and serving 211, the insulation screen 24 outer zone of swelling 25 that are arranged with, be provided with the PP gasket for packing 29 that is used for the rounding cable between inner sheath 28 and the zinc-plated round steel wire armour 210, be provided with optical cable unit 26 in the PP gasket for packing 29, the submarine cable of this structure is because it adopts zinc-plated round steel wire to carry out armouring, thereby cost is lower, but if when being applied to the zinc-plated round steel wire armour in this submarine cable in the extra large cable of 110kV and above grade, can produce very big armouring eddy current loss during operation, comparatively serious to the ampacity influence of extra large cable like this, also will badly influence the loss of Hai Lanxianlu simultaneously.Submarine cable shown in Fig. 4 a and Fig. 4 b is the submarine cable of double-deck flat bronze wire armouring, the structure of the submarine cable of the zinc-plated round steel wire armouring that its structure and Fig. 3 a and Fig. 3 b provide is basic identical, it mainly comprises conductor 31 and is set in turn in conductor 31 conductor shield 32 outward, insulating barrier 33, insulation screen 34, metallic sheath 36, inner sheath 37, double-deck flat bronze wire armour 38 and serving 39, the insulation screen 34 outer zone of swelling 35 that are arranged with, the armour that the submarine cable of this structure adopts is double-deck flat bronze wire armour, the flat bronze wire of ground floor promptly is set outside inner sheath, the flat bronze wire of the second layer is set outside the flat bronze wire of ground floor again, but because the price of copper is very expensive, it is provided with the cost that two-layer flat bronze wire has increased extra large cable undoubtedly greatly, economic benefit is relatively poor, because the tensile strength of copper is less, therefore directly influenced the overall mechanical properties of extra large cable simultaneously.
Summary of the invention
Technical problem to be solved by this invention provides a kind of single core high pressure sea cable that is used for, and in effective minimizing armouring eddy current loss, can improve the mixed type sheathed structure of the anti-adverse environment performance of extra large cable greatly.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: the mixed type sheathed structure of a kind of single core high pressure sea cable, comprise one deck mixing armour at least, described mixing armour is spaced one by one by blue or green round copper wire and non-magnetic rustproof steel wire ringwise and constitutes.
The PP gasket for packing of single core high pressure sea cable is outside equipped with the described mixing armour of one deck.
The PP gasket for packing of single core high pressure sea cable is disposed with two-layer described mixing armour outward.
The inner sheath of single core high pressure sea cable is outside equipped with the described mixing armour of one deck.
The inner sheath of single core high pressure sea cable is disposed with two-layer described mixing armour outward.
Be provided with the resilient coating that is used to reduce the degree of wear between the armoring material between the two-layer described mixing armour.
The material that described resilient coating adopts is that nonwoven fabrics is strengthened in pitch and fibrage.
The material that described resilient coating adopts is pitch and high-strength nylon band.
Compared with prior art, the invention has the advantages that adopting at least one deck to be spaced the armour that mixes that constitutes one by one by blue or green round copper wire and non-magnetic rustproof steel wire carries out armouring to extra large cable, compare, can effectively reduce armouring eddy current loss with zinc-plated round steel wire armour; On the other hand, because the mixing armour of this sheathed structure is spaced by blue or green round copper wire and non-magnetic rustproof steel wire and forms, the blue or green round copper wire that uses seldom, compare with the flat bronze wire armour of bilayer, greatly reduce the cost of sheathed structure, by the utilization of non-magnetic rustproof steel wire, can improve the overall mechanical properties of extra large cable, thereby can improve the opposing adverse circumstances performance of extra large cable greatly simultaneously; In addition, this sheathed structure can be applicable in the submarine cable of 110kV and above voltage levels preferably.
Description of drawings
Fig. 1 a is the part perspective view of the extra large cable of the mixed type sheathed structure of the employing embodiment of the invention one;
Fig. 1 b is the schematic top plan view of Fig. 1 a;
Fig. 2 is the part perspective view of the extra large cable of the mixed type sheathed structure of the employing embodiment of the invention two;
Fig. 3 a is the part perspective view of the submarine cable of existing zinc-plated round steel wire armouring;
Fig. 3 b is the schematic top plan view of Fig. 3 a;
Fig. 4 a is the part perspective view of the submarine cable of the flat bronze wire armouring of existing bilayer;
Fig. 4 b is the schematic top plan view of Fig. 4 a.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Embodiment one:
The mixed type sheathed structure of a kind of single core high pressure sea cable that present embodiment proposes, shown in Fig. 1 a and Fig. 1 b, it comprises one deck mixing armour outside the PP gasket for packing 19 that is arranged at single core high pressure sea cable, and this mixing armour is spaced one by one with non-magnetic rustproof steel wire 111 by blue or green round copper wire 110 ringwise and constitutes.
Fig. 1 a and Fig. 1 b have provided the structural representation of a kind of extra large cable that adopts this sheathed structure, this sea cable wrap is drawn together conductor 11 and is set in turn in conductor 11 conductor shield 12, insulating barrier 13, insulation screen 14, zone of swelling 15, metallic sheath 17, inner sheath 18, PP gasket for packing 19, mixing armour and serving 113 outward, is provided with optical cable unit 16 between the PP gasket for packing 19.
This sheathed structure is not limited to be used in the extra large cable structure that Fig. 1 a and Fig. 1 b provide.
Table 1 has provided the submarine cable of the submarine cable of zinc-plated round steel wire armouring, double-deck flat bronze wire armouring and has adopted the comparison of ampacity, mechanical performance and the sheathed structure cost of the extra large cable of this sheathed structure.
The extra large cable of the zinc-plated round steel wire armouring of table 1, the extra large cable of double-deck flat bronze wire armouring and adopt the performance comparison sheet of the extra large cable of this sheathed structure
As can be seen from Table 1, this sheathed structure is compared with zinc-plated round steel wire armour, though increased much on cost, and the mechanical performance of extra large cable has reduction slightly, adopts the ampacity of the extra large cable of this sheathed structure to be improved; This sheathed structure is compared with the flat bronze wire armour of bilayer, though reduction is slightly arranged on the ampacity performance of extra large cable, the mechanical performance of extra large cable is improved, and greatly reduces the armouring cost simultaneously.By analytical table 1, suffice to show that this sheathed structure can effectively reduce armouring eddy current loss, improves the ampacity of extra large cable.
Embodiment two:
The mixed type sheathed structure of a kind of single core high pressure sea cable that present embodiment proposes, as shown in Figure 2, it comprises the two-layer mixing armour outside the inner sheath 18 that is set in turn in single core high pressure sea cable, be that ground floor mixing armour is arranged at outside the inner sheath 18, second layer mixing armour is arranged at outside the ground floor mixing armour, and this two-layer mixing armour all is spaced one by one with non-magnetic rustproof steel wire 111 by blue or green round copper wire 110 ringwise and constitutes.
Fig. 2 has provided the structural representation of a kind of extra large cable that adopts this sheathed structure, and this sea cable wrap is drawn together conductor 11 and is set in turn in conductor 11 conductor shield 12, insulating barrier 13, insulation screen 14, zone of swelling 15, metallic sheath 17, inner sheath 18, ground floor mixing armour, second layer mixing armour and serving 113 outward.
At this, because intersection moulding mutually between the armoring material of two-layer mixing armour, directly extruding and rubbing produce friction to the double armor material each other, (wearing and tearing of armoring material belong to surface fatigue wearing and tearing: two contact surfaces are under the effect of alternation contact compression can to cause the wearing and tearing of armoring material, the surface of armoring material is because of the tired material damage that produces), reduce diameter, the area of armoring material, finally influence the mechanical performance of extra large cable.For preventing wearing and tearing; between two-layer mixing armour, be provided with one deck resilient coating 112; alternation contact compression can act on the resilient coating 112 like this; main wearing and tearing resilient coating 112; and armoring material is not caused wearing and tearing substantially; effectively like this protect armoring material, thereby improved the mechanical performance of extra large cable.
In this specific embodiment, resilient coating can adopt pitch and fibrage to strengthen nonwoven cloth material and make, and applies pitch, and nonwoven fabrics is strengthened in wrapped fibrage; Resilient coating also can adopt pitch and high-strength nylon band to make, and applies pitch, wrapped high-strength nylon band.
The sheathed structure that present embodiment provides is compared with the sheathed structure that embodiment one provides, though increase on cost, has improved the mechanism performance of extra large cable simultaneously greatly.
This sheathed structure is not limited to be used in the extra large cable structure that Fig. 2 provides.
On the basis of the foregoing description one, also can outside the PP gasket for packing 19 of the single core high pressure sea cable shown in Fig. 1 a and Fig. 1 b, set gradually two-layer mixing armour, and between two-layer mixing armour, one deck resilient coating is set.
On the basis of the foregoing description two, also can only outside the inner sheath 18 of single core high pressure sea cable shown in Figure 2, one deck mixing armour be set.
Claims (8)
1. the mixed type sheathed structure of single core high pressure sea cable is characterized in that comprising one deck mixing armour at least, and described mixing armour is spaced one by one by blue or green round copper wire and non-magnetic rustproof steel wire ringwise and constitutes.
2. the mixed type sheathed structure of a kind of single core high pressure according to claim 1 sea cable is characterized in that the PP gasket for packing of single core high pressure sea cable is outside equipped with the described mixing armour of one deck.
3. the mixed type sheathed structure of a kind of single core high pressure according to claim 1 sea cable is characterized in that the PP gasket for packing of single core high pressure sea cable is disposed with two-layer described mixing armour outward.
4. the mixed type sheathed structure of a kind of single core high pressure according to claim 1 sea cable is characterized in that the inner sheath of single core high pressure sea cable is outside equipped with the described mixing armour of one deck.
5. the mixed type sheathed structure of a kind of single core high pressure according to claim 1 sea cable is characterized in that the inner sheath of single core high pressure sea cable is disposed with two-layer described mixing armour outward.
6. according to the mixed type sheathed structure of claim 3 or 5 described a kind of single core high pressure sea cables, it is characterized in that being provided with the resilient coating that is used to reduce the degree of wear between the armoring material between the two-layer described mixing armour.
7. the mixed type sheathed structure of a kind of single core high pressure according to claim 6 sea cable is characterized in that the material that described resilient coating adopts is that nonwoven fabrics is strengthened in pitch and fibrage.
8. the mixed type sheathed structure of a kind of single core high pressure according to claim 6 sea cable is characterized in that the material that described resilient coating adopts is pitch and high-strength nylon band.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010272387 CN101950619A (en) | 2010-09-03 | 2010-09-03 | Hybrid armored structure of single-core high-voltage submarine cable |
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| CN 201010272387 CN101950619A (en) | 2010-09-03 | 2010-09-03 | Hybrid armored structure of single-core high-voltage submarine cable |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157242A (en) * | 2011-03-25 | 2011-08-17 | 江苏天地龙电缆有限公司 | Seismic-resistant electrical cable |
| CN102290135A (en) * | 2011-06-15 | 2011-12-21 | 宁波东方电缆股份有限公司 | Three-core photoelectric composite submarine cable with 220kV rated voltage |
| CN102737787A (en) * | 2012-07-17 | 2012-10-17 | 四川明星电缆股份有限公司 | Manufacturing method for seabed photoelectricity composite rope with split conductor in huge cross section |
| CN102760534A (en) * | 2012-07-17 | 2012-10-31 | 四川明星电缆股份有限公司 | Method for preparing photoelectric composite submarine cable |
| WO2013117270A1 (en) | 2012-02-06 | 2013-08-15 | Nv Bekaert Sa | Non-magnetic stainless steel wire as an armouring wire for power cables |
| CN103811128A (en) * | 2014-03-10 | 2014-05-21 | 仲杏英 | High-current-carrying power cable |
| CN105283928A (en) * | 2013-06-19 | 2016-01-27 | 贝卡尔特公司 | Coated steel wire as armouring wire for power cable |
| CN105556619A (en) * | 2013-07-10 | 2016-05-04 | 普睿司曼股份公司 | Method and armoured power cable for transporting alternate current |
| CN106710691A (en) * | 2015-07-20 | 2017-05-24 | 上海名耐特种电缆有限公司 | Tensile inclinometer cable |
| CN107039108A (en) * | 2014-05-22 | 2017-08-11 | 江苏亨通线缆科技有限公司 | The data cable of low-friction coefficient |
| CN109559858A (en) * | 2017-09-27 | 2019-04-02 | 中天科技海缆有限公司 | The armouring method of cable |
| CN111326288A (en) * | 2020-04-01 | 2020-06-23 | 杭州智海人工智能有限公司 | Wind power generation high-voltage direct-current submarine cable |
| CN113296208A (en) * | 2021-06-02 | 2021-08-24 | 江苏华脉光电科技有限公司 | Rat-proof branching photoelectric hybrid leading-in optical cable with flexibility and preparation method thereof |
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Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157242A (en) * | 2011-03-25 | 2011-08-17 | 江苏天地龙电缆有限公司 | Seismic-resistant electrical cable |
| CN102290135A (en) * | 2011-06-15 | 2011-12-21 | 宁波东方电缆股份有限公司 | Three-core photoelectric composite submarine cable with 220kV rated voltage |
| US9997278B2 (en) | 2012-02-06 | 2018-06-12 | Nv Bekaert Sa | Non-magnetic stainless steel wire as an armouring wire for power cables |
| CN104066863A (en) * | 2012-02-06 | 2014-09-24 | 贝卡尔特公司 | Non-magnetic stainless steel wire as an armouring wire for power cables |
| WO2013117270A1 (en) | 2012-02-06 | 2013-08-15 | Nv Bekaert Sa | Non-magnetic stainless steel wire as an armouring wire for power cables |
| CN102760534B (en) * | 2012-07-17 | 2014-09-10 | 四川明星电缆股份有限公司 | Method for preparing photoelectric composite submarine cable |
| CN102760534A (en) * | 2012-07-17 | 2012-10-31 | 四川明星电缆股份有限公司 | Method for preparing photoelectric composite submarine cable |
| CN102737787A (en) * | 2012-07-17 | 2012-10-17 | 四川明星电缆股份有限公司 | Manufacturing method for seabed photoelectricity composite rope with split conductor in huge cross section |
| US9905336B2 (en) | 2013-06-19 | 2018-02-27 | Nv Bekaert Sa | Coated steel wire as armouring wire for power cable |
| CN105283928A (en) * | 2013-06-19 | 2016-01-27 | 贝卡尔特公司 | Coated steel wire as armouring wire for power cable |
| US10438722B2 (en) | 2013-07-10 | 2019-10-08 | Prysmian S.P.A. | Method and armoured power cable for transporting alternate current |
| CN105556619A (en) * | 2013-07-10 | 2016-05-04 | 普睿司曼股份公司 | Method and armoured power cable for transporting alternate current |
| CN105556619B (en) * | 2013-07-10 | 2017-07-21 | 普睿司曼股份公司 | Method and armoured power cable for transporting alternating current |
| EP3020051B1 (en) * | 2013-07-10 | 2018-09-05 | Prysmian S.p.A. | Method and armoured power cable for transporting alternate current |
| CN103811128A (en) * | 2014-03-10 | 2014-05-21 | 仲杏英 | High-current-carrying power cable |
| CN105609201A (en) * | 2014-03-10 | 2016-05-25 | 仲杏英 | Manufacturing method of high current-carrying power cable |
| CN105551673B (en) * | 2014-03-10 | 2017-04-26 | 国家电网公司 | Manufacturing method of heavy current-carrying power cable |
| CN105551673A (en) * | 2014-03-10 | 2016-05-04 | 柳超 | Manufacturing method of heavy current-carrying power cable |
| CN103811128B (en) * | 2014-03-10 | 2016-04-20 | 国家电网公司 | Large current-carrying power cable |
| CN107039108A (en) * | 2014-05-22 | 2017-08-11 | 江苏亨通线缆科技有限公司 | The data cable of low-friction coefficient |
| CN106710691A (en) * | 2015-07-20 | 2017-05-24 | 上海名耐特种电缆有限公司 | Tensile inclinometer cable |
| CN109559858A (en) * | 2017-09-27 | 2019-04-02 | 中天科技海缆有限公司 | The armouring method of cable |
| CN109559858B (en) * | 2017-09-27 | 2020-04-10 | 中天科技海缆有限公司 | Method for armouring cable |
| CN111326288A (en) * | 2020-04-01 | 2020-06-23 | 杭州智海人工智能有限公司 | Wind power generation high-voltage direct-current submarine cable |
| CN111326288B (en) * | 2020-04-01 | 2021-03-30 | 杭州智海人工智能有限公司 | Wind power generation high-voltage direct-current submarine cable |
| CN113296208A (en) * | 2021-06-02 | 2021-08-24 | 江苏华脉光电科技有限公司 | Rat-proof branching photoelectric hybrid leading-in optical cable with flexibility and preparation method thereof |
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Application publication date: 20110119 |