CN210925554U - High-temperature-resistant 6-15kV anti-torsion cable for wind power generation - Google Patents
High-temperature-resistant 6-15kV anti-torsion cable for wind power generation Download PDFInfo
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- CN210925554U CN210925554U CN201922009604.3U CN201922009604U CN210925554U CN 210925554 U CN210925554 U CN 210925554U CN 201922009604 U CN201922009604 U CN 201922009604U CN 210925554 U CN210925554 U CN 210925554U
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Abstract
The utility model discloses a high temperature resistant 6-15kV anti-torsion cable for wind power generation, which comprises a conductor, a conductor shielding layer, an ethylene propylene rubber insulating layer and an insulating shielding layer, wherein the conductor shielding layer, the ethylene propylene rubber insulating layer and the insulating shielding layer are sequentially coated on the outer surface of the conductor from inside to outside; a composite braided shielding layer formed by alternately arranging and braiding tinned copper wires and aramid fiber wires is coated on the outer surface of the insulating shielding layer, and an ethylene propylene rubber outer sheath layer is coated on the outer surface of the composite braided shielding layer. The utility model discloses torsion resistant cable for wind power generation has also changed the antitorque resistance to deformation performance of shielding layer now that tensile strength has been improved.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to a high temperature resistant 6-15kV anti-torque cable for wind power generation.
Background
At present, large-power wind turbine generators are developed by various large wind power enterprises in China to improve the competitiveness of the enterprises. The high-power wind turbine generator set is changed from a traditional 2 MW type to a novel 8 MW type. The transmission capacity is improved, so that the number of cables needing to be installed in the tower drum under the same condition is multiple times of that of the original cables. The existing torsion-resistant cable for wind power generation has insufficient tensile strength and torsion and deformation resistance, and how to overcome the technical problems becomes the direction of efforts of technicians in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high temperature resistant 6-15kV anti-torque cable for wind power generation, this anti-torque cable for wind power generation has now improved tensile strength, has also changed the antitorque resistance to deformation performance of shielding layer.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the high-temperature-resistant 6-15kV anti-torsion cable for wind power generation comprises a conductor, a conductor shielding layer, an ethylene propylene rubber insulating layer and an insulating shielding layer, wherein the conductor shielding layer, the ethylene propylene rubber insulating layer and the insulating shielding layer are sequentially coated on the outer surface of the conductor from inside to outside; a composite braided shielding layer formed by alternately arranging and braiding tinned copper wires and aramid fiber wires is coated on the outer surface of the insulating shielding layer, and an ethylene propylene rubber outer sheath layer is coated on the outer surface of the composite braided shielding layer.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the insulation shielding layer is an aluminum foil shielding layer.
2. In the above scheme, the thickness ratio of the ethylene propylene rubber insulating layer to the ethylene propylene rubber outer sheath layer is 1: 2 to 4.
3. In the above scheme, the conductor shielding layer is a tin-plated copper mesh shielding layer.
Because of the application of the above technical scheme, the utility model has the advantages of it is following:
the utility model discloses high temperature resistant 6-15kV anti-torque cable for wind power generation, its compound braided shield layer that is located between EP rubbers oversheath layer and the insulation shielding layer is arranged alternately by tinned copper wire and aramid fiber silk and is woven and formed, now that improved tensile strength, also changed the anti-torque anti-deformation performance of shielding layer; and secondly, the double barrier of the ethylene propylene rubber insulating layer and the ethylene propylene rubber outer sheath layer enhances the high temperature resistance of the cable, improves the long-term allowable temperature of the cable, improves the performance of the cable and prolongs the service life of the cable.
Drawings
FIG. 1 is a cross-sectional structure diagram of the anti-twisting cable for high temperature resistant 6-15kV wind power generation of the utility model;
fig. 2 is the utility model discloses torsion resistant cable's for wind power generation local structure schematic diagram.
In the above drawings: 1. a conductor; 2. a conductor shield layer; 3. an ethylene propylene rubber insulating layer; 4. an insulating shield layer; 5. compounding a braided shielding layer; 6. an ethylene propylene rubber outer sheath layer; 7. tinning copper wires; 8. and (4) aramid fiber yarns.
Detailed Description
Example 1: the high-temperature-resistant 6-15kV anti-torsion cable for wind power generation comprises a conductor 1, a conductor shielding layer 2, an ethylene propylene rubber insulating layer 3 and an insulating shielding layer 4, wherein the conductor shielding layer 2, the ethylene propylene rubber insulating layer 3 and the insulating shielding layer 4 are sequentially coated on the outer surface of the conductor 1 from inside to outside; a composite braided shielding layer 5 formed by alternately arranging and braiding tinned copper wires 7 and aramid fiber filaments 8 is coated on the outer surface of the insulating shielding layer 4, and an ethylene propylene rubber outer sheath layer 6 is coated on the outer surface of the composite braided shielding layer 5.
The thickness ratio of the ethylene propylene rubber insulating layer 3 to the ethylene propylene rubber outer sheath layer 6 is 1: 3.
the conductor shielding layer 2 is a tinned copper mesh shielding layer.
Example 2: the high-temperature-resistant 6-15kV anti-torsion cable for wind power generation comprises a conductor 1, a conductor shielding layer 2, an ethylene propylene rubber insulating layer 3 and an insulating shielding layer 4, wherein the conductor shielding layer 2, the ethylene propylene rubber insulating layer 3 and the insulating shielding layer 4 are sequentially coated on the outer surface of the conductor 1 from inside to outside; a composite braided shielding layer 5 formed by alternately arranging and braiding tinned copper wires 7 and aramid fiber filaments 8 is coated on the outer surface of the insulating shielding layer 4, and an ethylene propylene rubber outer sheath layer 6 is coated on the outer surface of the composite braided shielding layer 5.
The insulation shielding layer 4 is an aluminum foil shielding layer.
The thickness ratio of the ethylene propylene rubber insulating layer 3 to the ethylene propylene rubber outer sheath layer 6 is 1: 3.5.
the ethylene propylene rubber insulating layer and the ethylene propylene rubber outer sheath layer of the torsion resistant cable in the embodiment use a vulcanization process, so that the problems of under-sulfur and over-sulfur of the ethylene propylene rubber insulating layer at 105 ℃ are solved. Through multiple tests and verifications, the time required for the ethylene propylene rubber insulating layer and the ethylene propylene rubber outer sheath layer rubber material to reach the positive vulcanization point (the optimal vulcanization degree) before and after the formula adjustment at the vulcanization temperature of 185 ℃ is respectively 1.98 min and 2.45 min. The degree of vulcanization of the rubber material will determine the electrical and mechanical properties of the cable. Tensile strength of cable insulation is improved by nearly 1 time, so that torsion resistance of the cable is guaranteed, high temperature resistance of the cable is enhanced, long-term allowable temperature of the cable is improved, performance of the cable is improved, and service life of the cable is prolonged.
When the high-temperature-resistant 6-15kV anti-torsion cable for wind power generation is adopted, the composite braided shielding layer positioned between the ethylene propylene rubber outer sheath layer and the insulating shielding layer is formed by alternately arranging and braiding tinned copper wires and aramid fiber wires, so that the tensile strength is improved, and the anti-torsion and anti-deformation performance of the shielding layer is also improved; secondly, it has promoted the cable and has permitted the temperature for a long time, has improved the performance of cable, has increased the life of cable.
The utility model discloses a layer upon layer parcel of conductor shielding layer, EPT rubber insulating layer, insulation shield layer, compound braided shield layer and oversheath layer has carried out tight protection to the conductor, has increased the intensity of cable, and the dual separation of EPT rubber insulating layer and EPT rubber oversheath layer has strengthened the high temperature resistant ability of cable, has promoted the long-term temperature of allowwing of cable, has improved the performance of cable, has increased the life of cable.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (4)
1. The utility model provides a high temperature resistant 6-15kV anti-torque cable for wind power generation which characterized in that: the cable comprises a conductor (1), a conductor shielding layer (2), an ethylene propylene rubber insulating layer (3) and an insulating shielding layer (4), wherein the conductor shielding layer (2), the ethylene propylene rubber insulating layer (3) and the insulating shielding layer (4) are sequentially coated on the outer surface of the conductor (1) from inside to outside; a composite braided shielding layer (5) formed by alternately arranging and braiding tinned copper wires (7) and aramid fiber filaments (8) is coated on the outer surface of the insulating shielding layer (4), and an ethylene propylene rubber outer sheath layer (6) is coated on the outer surface of the composite braided shielding layer (5).
2. The high temperature resistant 6-15kV torsion resistant cable for wind power generation according to claim 1, wherein: the insulation shielding layer (4) is an aluminum foil shielding layer.
3. The high temperature resistant 6-15kV torsion resistant cable for wind power generation according to claim 1, wherein: the thickness ratio of the ethylene propylene rubber insulating layer (3) to the ethylene propylene rubber outer sheath layer (6) is 1: 2 to 4.
4. The high temperature resistant 6-15kV torsion resistant cable for wind power generation according to claim 1, wherein: the conductor shielding layer (2) is a tinned copper mesh shielding layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922009604.3U CN210925554U (en) | 2019-11-20 | 2019-11-20 | High-temperature-resistant 6-15kV anti-torsion cable for wind power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922009604.3U CN210925554U (en) | 2019-11-20 | 2019-11-20 | High-temperature-resistant 6-15kV anti-torsion cable for wind power generation |
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| Publication Number | Publication Date |
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| CN210925554U true CN210925554U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922009604.3U Active CN210925554U (en) | 2019-11-20 | 2019-11-20 | High-temperature-resistant 6-15kV anti-torsion cable for wind power generation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023035487A1 (en) * | 2021-09-09 | 2023-03-16 | 江苏亨通电力电缆有限公司 | Medium-voltage feeder cable, preparation method therefor and application thereof |
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2019
- 2019-11-20 CN CN201922009604.3U patent/CN210925554U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023035487A1 (en) * | 2021-09-09 | 2023-03-16 | 江苏亨通电力电缆有限公司 | Medium-voltage feeder cable, preparation method therefor and application thereof |
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