CN202694972U - 26/35kV twist-resistant flexible cable for offshore wind power generation - Google Patents
26/35kV twist-resistant flexible cable for offshore wind power generation Download PDFInfo
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- CN202694972U CN202694972U CN 201220353672 CN201220353672U CN202694972U CN 202694972 U CN202694972 U CN 202694972U CN 201220353672 CN201220353672 CN 201220353672 CN 201220353672 U CN201220353672 U CN 201220353672U CN 202694972 U CN202694972 U CN 202694972U
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Abstract
The utility model relates to a cable and in particular relates to a 26/35kV twist-resistant flexible cable for offshore wind power generation. The 26/35kV twist-resistant flexible cable for offshore wind power generation comprises a plurality of conductors, an inner shielding layer and an insulation layer; an outer shielding layer is sleeved out of the insulation layer; fillers are arranged among the conductors; and a sheath is sleeved on the outermost layer of the cable; the cable is characterized in that a semi-conductive cotton tape wound protective layer is sleeved out of the outer shielding layer; a knitted metal shielding fiber layer is sleeved out of the semi-conductive cotton tape wound protective layer; and a knitted shielding wrapping tape layer is sleeved out of the knitted metal shielding fiber layer. The cable has the following characteristics of high twist resistance, excellent wearing resistance, high corrosion resistance, long service life, and the like.
Description
Technical field
The utility model relates to a kind of cable, especially relates to a kind of 26/35kV Oversea wind power generation distortion resistant flexible cable.
Background technology
As everyone knows, the enhancing of human development progress and environmental consciousness, huge transformation is also occuring in the world energy sources structure, is namely changed to the sustainable new energy resources system take regenerative resource as the basis by the fossil energy system.These new forms of energy comprise solar energy, wind energy, biomass energy, geothermal energy, oceanic energy etc.In these numerous new forms of energy, at present with fastest developing speed, commercialization is the most extensive, the most applicable economically, when several wind power generations.The wind energy resources of China is very abundant, and the wind power generation market prospects are wide; As the generation mode the most ripe, exploitation condition on the largest scale and commercialized development prospect of technology in the new forms of energy, the development speed of wind power generation attracts people's attention.The mineral resources such as Chinese coal and oil are petered out at present, wind power generation is one of generation mode of the most ripe, the tool large-scale development of renewable energy source domain and business development condition, wind energy is a kind of cleaning, reproducible green energy resource simultaneously, for readjusting the energy structure, alleviate environmental pollution, realization sustainable development etc. important impetus is arranged.The at present exploitation of wind power generation, utilization mainly contain two kinds of forms, are respectively land wind energy and wind energy on the sea.In recent years the newly-increased installed capacity of wind-driven power of China with average annual 100% speed at high speed development, but the wind power generation exploitation mainly concentrates on land, the wind energy on the sea electric power resource is opened then at the early-stage, there are abundant wind energy resources and wide smooth zone in China sea, available wind energy resources is above 7.5 hundred million kilowatts, and very near apart from coastal economy developed regions power load center, so that the coastal waters wind generating technology becomes the focus of recent research and application, along with China's energy demand enlarges rapidly, the offshore wind power generation industry will obtain high speed development, and the market prospects of product are boundless.
26/35KV Oversea wind power generation distortion resistant flexible cable is mainly used in electric power transfer and unit high pressure client cables after the offshore wind turbine boost conversion, also is applicable to electric power under other environment of land and boosts on transmission and the unit high pressure client cables.Product has preferably electrical insulation properties and physical property, salt spray resistance, oil resistant, warp resistance, acid and alkali resistance, salt equal solvent, anti-open-air sex climate, the turbid erosion performance of sea water resistance and bending resistance.It will become the frontier of following Wind Power Plant at Sea wind energy cable application and development.
The present domestic anti-cable that reverses of offshore wind farm 26/35KV that also is not exclusively used in, metallic shield often occurs and injures insulating barrier at long-term distort process in the analogous cable that is used for using on land, causes insulation cracking to affect cable useful life.
Summary of the invention
The utility model mainly is for the existing above-mentioned technical problem of prior art, provides that a kind of warp resistance performance is strong, the cable anti-wear performance is good, corrosion resistance is strong, the 26/35kV Oversea wind power generation distortion resistant flexible cable of long service life.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of 26/35kV Oversea wind power generation distortion resistant flexible cable, comprise some conductors, internal shield and insulating barrier, insulating barrier is arranged with outer shielding layer outward, be provided with filler between the some conductors, the cable outermost layer is arranged with sheath, it is characterized in that described outer shielding layer is arranged with the semiconductive cotton tape outward and twines overcoat, described semiconductive cotton tape twines overcoat and is arranged with braided metal shielding fiber layer outward, and described braided metal shielding fiber layer is arranged with the braid shielded belting layer outward.Because Oversea wind power generation is kept in motion in installing and using process all the time with distortion resistant flexible cable, to the electrical property of cable, anti-ly turn round performance and physical and mechanical properties is higher, adopt the cables manufacturing structure innovation: 1. between insulation shielding and metallic shield, increase the semiconductive cotton tape and twine protection; 2. in the metallic shield silk, add the two-way braiding of 50 ﹪ high strength PA filaments and strengthen, both played wire also can increase cable to the friction protection of insulation shielding torsional strength and flexibility.This product primary structure is extruded by outer shielding layer in the shielding of TR type copper flexible conductor, conductor band, the insulation and three-layer co-extruded, the semiconductive cotton tape of insulating twines overcoat, metallic shield+filament braiding, band cladding winding, sheath and forms.
As preferably, described braided metal shielding fiber layer adopts 50 ﹪ high strength PA filaments and the two-way braiding of metallic shield silk to make.Both having played wire also can increase torsional strength and the flexibility of cable to the friction protection of insulation shielding.
As preferably, described braid shielded belting layer is arranged with the cable core belting layer outward.The interior outer jacket of screen cracking or injury cable when preventing that cable from normally reversing, the cable shield mode is taked the special construction design, adopted the double-deck semiconductive structure of copper conductor+conductor screen+insulation+two-way reinforcement of the soft silk+high strength PA of spy synthetic fibres to shield+be with cladding winding+restrictive coating.Because the long-term frequent distortion of this cable, life cycle need satisfy 20 years, and cable must require anti-ly to turn round, softness, and repeatedly twist several 30,000 times: (cable sample should be through 15000 reciprocating motions, namely after 30000 one way motions current interruption occurs neither, the short circuit between the conductor does not occur yet; Peel off cable jacket after the off-test, insulated wire cores is carried out withstand voltage test, test cable is not less than 2.5 times of rated voltage for cable, time 5min, and result of the test should be without punch-through.So the good construction of cable of design performance also is the key technology of this product with selecting advanced insulation, sheath material, otherwise, cause cable distortion performance not all right, thereby affect the cable service quality.
As preferably, be provided with the semiconductive belt between described conductor and the internal shield.The variation of insulation shielding mode and structure, the structural shape that adopts conductor screen semi-conductive tape bag+semiconductive to extrude; The insulation shield pattern should adopt semiconductive to extrude+structure of semi-conductive tape covering+metal/fiber braiding layer+fabric strip covering; Extrude conductor semi-conductive layer, insulation and insulation semi-conductive layer and adopt three-layer co-extruded disposable extrusion way.
As preferably, described sheath adopts ultralow temperature chlorosulfonated polyethylene rubber compound to make.Because cable uses for a long time in adverse circumstances such as marine climate, causes protective coverings of cable because of the pollution effect life cycle of environmental condition; In order to improve better the useful life of cable, on material type selecting and formula Design, studied, select ultralow temperature chlorosulfonated polyethylene rubber composite materials, by sample testing and client's use repeatedly, make product have reliable salt fog resistance, oil resistant, fire-retardant, low temperature resistant, warp resistance, acid and alkali resistance, salt equal solvent, the turbid erosion of sea water resistance, anti-marine climate pollute and bending resistance.
Therefore, the utlity model has the characteristics such as the warp resistance performance is strong, the cable anti-wear performance is good, corrosion resistance strong, long service life.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1:
Shown in Figure of description 1, a kind of 26/35kV Oversea wind power generation distortion resistant flexible cable, comprise three conductors 1, internal shield 3 and insulating barrier 4, insulating barrier is arranged with outer shielding layer 6 outward, be provided with filler 5 between three conductors, the cable outermost layer is arranged with sheath 12, and the outer shielding layer 6 outer semiconductive cotton tapes that are arranged with twine overcoat 7, the semiconductive cotton tape twines the overcoat 7 outer braided metal shielding fiber layers 8 that are arranged with, the braided metal shielding fiber layer 8 outer braid shielded belting layer 9 that is arranged with.Braided metal shielding fiber layer 8 adopts 50 ﹪ high strength PA filaments and the two-way braiding of metallic shield silk to make.The braid shielded belting layer 9 outer cable core belting layers 10 that are arranged with.Be provided with semiconductive belt 2 between conductor 1 and the internal shield.Sheath 12 adopts ultralow temperature chlorosulfonated polyethylene rubber compound to make.
Because Oversea wind power generation is kept in motion in installing and using process all the time with distortion resistant flexible cable, to the electrical property of cable, anti-ly turn round performance and physical and mechanical properties is higher, adopt the cables manufacturing structure innovation: 1. between insulation shielding and metallic shield, increase the semiconductive cotton tape and twine protection; 2. in the metallic shield silk, add the two-way braiding of 50 ﹪ high strength PA filaments and strengthen, both played wire also can increase cable to the friction protection of insulation shielding torsional strength and flexibility.This product primary structure is extruded by outer shielding layer in the shielding of TR type copper flexible conductor, conductor band, the insulation and three-layer co-extruded, the semiconductive cotton tape of insulating twines overcoat, metallic shield+filament braiding, band cladding winding, sheath and forms.
Should be understood that this embodiment only is used for explanation the utility model and is not used in the scope of the present utility model that limits.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (5)
1. 26/35kV Oversea wind power generation distortion resistant flexible cable, comprise some conductors (1), internal shield (3) and insulating barrier (4), insulating barrier is arranged with outer shielding layer (6) outward, be provided with filler (5) between the some conductors, the cable outermost layer is arranged with sheath (12), it is characterized in that the outer semiconductive cotton tape that is arranged with of described outer shielding layer (6) twines overcoat (7), described semiconductive cotton tape twines the outer braided metal shielding fiber layer (8) that is arranged with of overcoat (7), the outer braid shielded belting layer (9) that is arranged with of described braided metal shielding fiber layer (8).
2. 26/35kV Oversea wind power generation distortion resistant flexible cable according to claim 1 is characterized in that described braided metal shielding fiber layer (8) adopts 50 ﹪ high strength PA filaments and the two-way braiding of metallic shield silk to make.
3. 26/35kV Oversea wind power generation distortion resistant flexible cable according to claim 1 and 2 is characterized in that the outer cable core belting layer (10) that is arranged with of described braid shielded belting layer (9).
4. 26/35kV Oversea wind power generation distortion resistant flexible cable according to claim 1 and 2 is characterized in that being provided with between described conductor (1) and the internal shield semiconductive belt (2).
5. 26/35kV Oversea wind power generation distortion resistant flexible cable according to claim 1 and 2 is characterized in that described sheath (12) adopts ultralow temperature chlorosulfonated polyethylene rubber compound to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220353672 CN202694972U (en) | 2012-07-20 | 2012-07-20 | 26/35kV twist-resistant flexible cable for offshore wind power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220353672 CN202694972U (en) | 2012-07-20 | 2012-07-20 | 26/35kV twist-resistant flexible cable for offshore wind power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202694972U true CN202694972U (en) | 2013-01-23 |
Family
ID=47550554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220353672 Expired - Fee Related CN202694972U (en) | 2012-07-20 | 2012-07-20 | 26/35kV twist-resistant flexible cable for offshore wind power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202694972U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103400642A (en) * | 2013-08-22 | 2013-11-20 | 湖南华菱线缆股份有限公司 | Medium-voltage flexible cable for high-current-carrying, distortion-resistant and weather-proof type wind turbine generator |
| CN103871615A (en) * | 2014-04-02 | 2014-06-18 | 新亚特电缆股份有限公司 | High-elasticity anti-twist wind energy cable with nominal voltage of six to thirty-five kilowatts and manufacturing method |
-
2012
- 2012-07-20 CN CN 201220353672 patent/CN202694972U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103400642A (en) * | 2013-08-22 | 2013-11-20 | 湖南华菱线缆股份有限公司 | Medium-voltage flexible cable for high-current-carrying, distortion-resistant and weather-proof type wind turbine generator |
| CN103871615A (en) * | 2014-04-02 | 2014-06-18 | 新亚特电缆股份有限公司 | High-elasticity anti-twist wind energy cable with nominal voltage of six to thirty-five kilowatts and manufacturing method |
| CN103871615B (en) * | 2014-04-02 | 2016-03-09 | 新亚特电缆股份有限公司 | Rated voltage 6 ~ 35kV high resiliency warp resistance wind energy cable and manufacture method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG WANMA CO., LTD. Free format text: FORMER NAME: ZHEJIANG WANMA CABLE CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 311305 Ling'an Economic Development Zone, Zhejiang Province, South Ring Road, No. 88, No. Patentee after: ZHEJIANG WANMA CO., LTD. Address before: 311305 Ling'an Economic Development Zone, Zhejiang Province, South Ring Road, No. 88, No. Patentee before: Zhejiang Wanma Cable Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20160720 |