CN220252889U - 66kV offshore wind power collecting cable - Google Patents
66kV offshore wind power collecting cable Download PDFInfo
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- CN220252889U CN220252889U CN202321508726.7U CN202321508726U CN220252889U CN 220252889 U CN220252889 U CN 220252889U CN 202321508726 U CN202321508726 U CN 202321508726U CN 220252889 U CN220252889 U CN 220252889U
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- cable
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- offshore wind
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- 239000010410 layer Substances 0.000 claims abstract description 66
- 238000004891 communication Methods 0.000 claims abstract description 32
- 239000004020 conductor Substances 0.000 claims abstract description 22
- 230000003287 optical effect Effects 0.000 claims abstract description 22
- 240000005572 Syzygium cordatum Species 0.000 claims abstract description 13
- 235000006650 Syzygium cordatum Nutrition 0.000 claims abstract description 13
- 229920003020 cross-linked polyethylene Polymers 0.000 claims abstract description 7
- 239000004703 cross-linked polyethylene Substances 0.000 claims abstract description 7
- 239000011241 protective layer Substances 0.000 claims abstract description 6
- 230000000712 assembly Effects 0.000 claims abstract 4
- 238000000429 assembly Methods 0.000 claims abstract 4
- 239000011810 insulating material Substances 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 239000002131 composite material Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 229920003023 plastic Polymers 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 abstract description 3
- 238000005253 cladding Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
- Communication Cables (AREA)
Abstract
The utility model discloses a 66kV offshore wind power collecting cable which comprises a plurality of cable assemblies, wherein a filling layer is arranged outside the cable assemblies, a wrapping belt is arranged outside the filling layer, an inner liner is arranged outside the wrapping belt, a communication belt is wrapped outside the inner liner, an armor layer is wrapped outside the communication belt, and a protective layer is arranged outside the armor layer; the utility model adopts the water-blocking conductor to prevent the moisture from penetrating in a large distance; the ultra-clean water tree-resistant crosslinked polyethylene is used for insulation, so that the generation of an insulated water tree is prevented, and the service life of the cable is prolonged; the aluminum-plastic composite belt replaces the lead sleeve, or the thickness of the lead sleeve is reduced, so that the weight of the cable is reduced, the cable is convenient to lay, and the material cost and the construction cost are reduced; the communication optical cable is protected by the support bars, so that the safety is improved, and the service life of the cable is prolonged.
Description
Technical Field
The utility model relates to the technical field of cable manufacturing, in particular to a 66kV offshore wind power collecting cable.
Background
At present, the offshore wind energy current collection cable in China mainly adopts a 35kV cable, the structural design is very heavy, the line loss is particularly large, and the 66kV offshore wind energy current collection cable can greatly reduce the line loss, save the energy consumption, and market clients expect a light type with smaller structural outer diameter, so that the offshore wind energy current collection cable is convenient to lay and install.
The traditional wind energy current collection cable structure comprises the following components: conductor, conductor shielding, insulation shielding, taping, lead sleeve, outer sheath, cabling filling, taping, inner liner, steel wire armor and outer coating.
The existing wind energy collecting cable has the following defects: 1. the common crosslinked polyethylene insulation is easy to absorb moisture to form a water tree, and long-term operation can form an electric branch, so that cable breakdown is caused, and the service life is influenced; 2. the lead sleeve is used as a waterproof layer, so that the weight is large, and the laying is not facilitated; 3. the communication optical cable is arranged in the cable gap and is easy to crush and break.
Disclosure of Invention
The utility model mainly solves the problem of short service life of the wind energy collector cable in the prior art; the 66kV offshore wind power collecting cable is good in water blocking effect and long in service life.
The technical problems of the utility model are mainly solved by the following technical proposal: the utility model provides a 66kV marine wind power collecting cable, includes a plurality of cable subassembly, is provided with the filling layer outside cable subassembly, the outside of filling layer is provided with the band, the band outside is provided with the inner liner, the outside cladding of inner liner has the communication area, the outside cladding of communication area has the armor, the outside of armor is provided with the protective layer.
Preferably, the cable assembly comprises a conductor layer and a first shielding layer coated outside the conductor layer, an insulating layer is coated outside the first shielding layer, a second shielding layer is coated outside the insulating layer, a waterproof layer is coated outside the second shielding layer, and an outer sheath is coated outside the waterproof layer. The waterproof layer adopts a longitudinal wrapping structure to prevent moisture penetration, replaces a lead sleeve structure, and reduces the total weight of the cable by 20% -30%.
Preferably, the conductor layer is formed by twisting a plurality of conductors. The conductor adopts the water-blocking conductor, has excellent water tree resistance effect, improves cable life, reduces cable weight, is convenient for lay the installation, reduce cost.
Preferably, the insulating layer is made of water tree resistant crosslinked polyethylene insulating material. The insulating material has excellent electrical performance, has a water-resistant function, blocks water tree formation, and prolongs the service life of insulation.
Preferably, the communication belt comprises supporting strips and communication optical cables, the supporting strips are closely distributed along the circumference of the lining layer, and the communication optical cables are inserted between the supporting strips.
Preferably, the diameter of the supporting strip is larger than that of the communication optical cable. As a cable support, the cable is protected. The optical cable is prevented from being crushed and broken, the optical cable is ensured not to be damaged in the processes of turnover, transportation, laying and operation, and the safety and the reliability are improved.
Preferably, the outer sheath is a semiconductive PE sheath. Has the functions of corrosion resistance, electric conduction and the like.
The beneficial effects of the utility model are as follows: a water-blocking conductor is adopted to prevent the moisture from penetrating in a large distance; the ultra-clean water tree-resistant crosslinked polyethylene is used for insulation, so that the generation of an insulated water tree is prevented, and the service life of the cable is prolonged; the aluminum-plastic composite belt replaces the lead sleeve, or the thickness of the lead sleeve is reduced, so that the weight of the cable is reduced, the cable is convenient to lay, and the material cost and the construction cost are reduced; the communication optical cable is protected by the support bar, so that the safety is improved, and the service life of the cable is prolonged; the rated voltage can be increased to 66kV, the line loss is reduced by 50%, and the energy consumption is effectively saved.
Drawings
Fig. 1 is a schematic structural view of a wind power collecting cable according to an embodiment of the present utility model.
In the figure, 1, conductor layer, 2, first shielding layer, 3, insulating layer, 4, second shielding layer, 5, waterproof layer, 6, oversheath, 7, filling layer, 8, band, 9, inner liner, 10, support bar, 11, first ribbon, 12, communication optical cable, 13, second ribbon, 14, armor, 15, protective layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, further detailed description of the technical solutions in the embodiments of the present utility model will be given by the following examples with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Examples: the utility model provides a 66kV marine wind power collecting cable, shown as fig. 1, includes a plurality of cable subassembly, is provided with filling layer 7 outside cable subassembly, the outside of filling layer is provided with band 8, the band outside is provided with inner liner 9, the outside cladding of inner liner has the communication area, the outside cladding of communication area has armor 14, the outside of armor is provided with protective layer 15. The armor layer adopts steel wire, has tensile function, and the protective layer adopts the flooding PP rope, has anticorrosive, protection's function.
The filling layer adopts the PP rope material, makes cable structure round, ties cable assembly through the band, and the inner liner uses the flooding PP rope, plays inside lining guard action.
The cable assembly comprises a conductor layer 1 and a first shielding layer 2 coated outside the conductor layer, wherein an insulating layer 3 is coated outside the first shielding layer, a second shielding layer 4 is coated outside the insulating layer, a waterproof layer 5 is coated outside the second shielding layer, and an outer sheath 6 coated outside the waterproof layer is coated outside the second shielding layer. The first shielding layer and the second shielding layer adopt semi-conductive shielding materials, and have good insulating shielding property. The waterproof layer adopts a thinned lead sleeve, the thickness is thinned, moisture penetration is prevented, the lead sleeve structure is replaced, and the total weight of the cable is reduced by 20% -30%.
The conductor layer is formed by twisting a plurality of conductors. The conductor adopts a water-blocking copper conductor to transmit electric energy, has a water-blocking function, and prolongs the service life of the cable.
The insulating layer is made of water tree resistant crosslinked polyethylene insulating material. The insulating material has excellent electrical performance, has a water-resistant function, blocks water tree formation, and prolongs the service life of insulation.
The communication band comprises supporting strips 10 and communication optical cables 12, wherein the supporting strips are closely distributed along the circumference of the lining layer, and the communication optical cables are inserted between the supporting strips. The diameter of the supporting bar is larger than that of the communication optical cable. The supporting strips are PE round strips, are arranged in the circumferential direction and serve as supporting pieces, the diameter of the supporting strips is slightly larger than that of the communication optical cable, and the supporting strips serve as the supporting pieces of the communication optical cable to protect the communication optical cable. Preventing the communication optical cable from being crushed and broken. The inside of support bar 10 and communication optical cable is provided with first ribbon 11, tightens the inner liner, and the outside of support bar 10 and communication optical cable is provided with second ribbon 13, tightens the communication area.
The outer sheath adopts a semiconductive PE sheath. Has the functions of corrosion resistance, electric conduction and the like.
The utility model adopts the water-blocking conductor to prevent the moisture from penetrating in a large distance; the ultra-clean water tree-resistant crosslinked polyethylene is used for insulation, so that the generation of an insulated water tree is prevented, and the service life of the cable is prolonged; the aluminum-plastic composite belt replaces the lead sleeve, or the thickness of the lead sleeve is reduced, so that the weight of the cable is reduced, the cable is convenient to lay, and the material cost and the construction cost are reduced; the communication optical cable is protected by the support bar, so that the safety is improved, and the service life of the cable is prolonged; the rated voltage can be increased to 66kV, the line loss is reduced by 50%, and the energy consumption is effectively saved.
The above-described embodiment is only a preferred embodiment of the present utility model, and is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.
Claims (7)
1. A 66kV offshore wind power collection cable, comprising:
the cable assembly comprises a plurality of cable assemblies, wherein a filling layer is arranged outside the cable assemblies, a wrapping belt is arranged outside the filling layer, an inner liner is arranged outside the wrapping belt, a communication belt is wrapped outside the inner liner, an armor layer is wrapped outside the communication belt, and a protective layer is arranged outside the armor layer.
2. A66 kV offshore wind power collection cable according to claim 1,
the cable assembly comprises a conductor layer and a first shielding layer coated outside the conductor layer, wherein an insulating layer is coated outside the first shielding layer, a second shielding layer is coated outside the insulating layer, a waterproof layer is coated outside the second shielding layer, and an outer sheath coated outside the waterproof layer is coated outside the second shielding layer.
3. A66 kV offshore wind power collection cable according to claim 2,
the conductor layer is formed by twisting a plurality of conductors.
4. A66 kV offshore wind power collection cable according to claim 2 or 3,
the insulating layer is made of water tree resistant crosslinked polyethylene insulating material.
5. A66 kV offshore wind power collection cable according to claim 1 or 2,
the communication band comprises supporting strips and communication optical cables, the supporting strips are closely distributed along the circumference of the lining layer, and the communication optical cables are inserted between the supporting strips.
6. A66 kV offshore wind power collection cable according to claim 5,
the diameter of the supporting strip is larger than that of the communication optical cable.
7. A66 kV offshore wind power collection cable according to claim 2,
the outer sheath adopts a semiconductive PE sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321508726.7U CN220252889U (en) | 2023-06-14 | 2023-06-14 | 66kV offshore wind power collecting cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321508726.7U CN220252889U (en) | 2023-06-14 | 2023-06-14 | 66kV offshore wind power collecting cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220252889U true CN220252889U (en) | 2023-12-26 |
Family
ID=89235250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321508726.7U Active CN220252889U (en) | 2023-06-14 | 2023-06-14 | 66kV offshore wind power collecting cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220252889U (en) |
-
2023
- 2023-06-14 CN CN202321508726.7U patent/CN220252889U/en active Active
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