CN202905273U - Wind power generation power cable with nominal voltage of 35kV - Google Patents
Wind power generation power cable with nominal voltage of 35kV Download PDFInfo
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- CN202905273U CN202905273U CN 201220622705 CN201220622705U CN202905273U CN 202905273 U CN202905273 U CN 202905273U CN 201220622705 CN201220622705 CN 201220622705 CN 201220622705 U CN201220622705 U CN 201220622705U CN 202905273 U CN202905273 U CN 202905273U
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Abstract
The utility model relates to a wind power generation power cable, and especially relates to a wind power generation power cable with nominal voltage of 35kV. The utility model belongs to the technical field of power cables. The wind power generation power cable with nominal voltage of 35kV comprises a cable core (9), a taped covering (10), and an outer sheath (11). The outer sheath (11) is extruded with the cable core (9) which is lapped with the taped covering (10). The cable core (9) is stranded and formed by three power line cores (5) and a ground wire core (8). With the above technical scheme, the wind power generation power cable has high shielding property, high security, and is low in smoke, free of halogen, and is flame retardant and twist resistant.
Description
Technical field
The utility model relates to a kind of wind power generation power cable, particularly a kind of rated voltage 35kV wind power generation power cable.The utility model belongs to the power cable technical field.This cable uses when being particularly suitable for rated voltage 35kV wind power generation.
Background technology
Wind energy cable is because the particularity of its instructions for use and environment for use etc., therefore having specific characteristics for wind energy cable can requirement, as enough mechanical strengths will be arranged, good anti-twisting property, also to have many requirements such as oil resistant, anti-marquis, salt spray resistance, if also will have certain cold tolerance at the cold district wind energy cable.A kind of wind power generation power cable that uses when exporting for the wind power generation electro-mechanical force is arranged in wind energy cable, the wind power generation power cable also has certain requirement to mechanical strength, electric property, anti-twisting property etc., particularly require higher to anti-twisting property, this is because wind power generation power cable flexibility is better, tension and anti-seismic performance are better, anti-twisting property is better, and then the useful life of wind power generation power cable can be longer.
China Patent Publication No. CN 201638589U discloses a kind of anti-weather-proof rubber jacketed flexible cable for wind power generation that reverses, and this cable comprises successively from inside to outside by the stranded cable core that consists of of many eradications edge core, twining package tape and oversheath, is provided with filler in the stranding gap of cable core.The requirements such as the shielding during it can't solve in the pressure wind power generation process, high electrical performance, strong mechanical performance.
China Patent Publication No. CN201166996Y discloses the generating of a kind of wind power generation with the anti-rubber sleeve flexible cable of turning round, and thin copper wire bundle strand twists flexible conductor again, rubber-covered and rubber outer protection cover, strand twist to multiple strand opposite direction, cable core directly extrudes sheath outward.The requirements such as the shielding during it can't solve equally in the pressure wind power generation process, high electrical performance, strong mechanical performance.
In addition, the characteristics of cross-linking type EVA semiconductive insulation shielding material were disclosed in " development of peelable cross-linking type EVA semiconductive insulation shielding material " (the 46th page of " plastics industry " the 5th phase of the 37th volume of publishing in May, 2009), for cable processing provides new selection.
Summary of the invention
The purpose of this utility model provides a kind of rated voltage 35kV wind power generation power cable for the deficiencies in the prior art, and it has high shielding, high security and low cigarette, Halogen, fire-retardant, anti-turning round.
For realizing above-mentioned technical purpose, the utility model by the following technical solutions: a kind of rated voltage 35kV wind power generation power cable, it is made of cable core, lapping layer and oversheath, oversheath extrudes the cable core that is surrounded with lapping layer, wherein:
---described cable core is by three power cores and the stranded cable core that consists of of ground core;
---single power core is made of 1# conductor, conductor shield, insulating barrier and semiconductive insulation screen, and conductor shield, insulating barrier and semiconductive insulation screen are extruded on the 1# conductor outer surface;
---the ground core is made of 2# conductor and semi-conductive layer, and semi-conductive layer is extruded on the 2# conductor outer surface.
Further, described 1# conductor is zinc-plated soft copper conductor, and described 2# conductor is zinc-plated soft copper conductor.
Further, described conductor shield is by cross-linking type EVA(Chinese: the ethylene-vinyl acetate copolymer) conductor shield of material formation, described semiconductive insulation screen is by peelable cross-linking type EVA(Chinese: ethylene-vinyl acetate copolymer) the semiconductive insulation screen of material formation.
Further, described insulating barrier is the insulating barrier that middle pressure ethylene-propylene rubber consists of.
Further, described semi-conductive layer is by the semi-conductive layer that comprises that EVA rubber and conductive black material consist of.
Further, described lapping layer is the lapping layer that nonwoven fabrics consists of.
Further, described oversheath is by cross-linking type EVA(Chinese: the ethylene-vinyl acetate copolymer) oversheath of material formation.
For specifying above-mentioned cross-linking type EVA(Chinese: ethylene-vinyl acetate copolymer) mainly consisted of by an amount of EVA material, conductive black, crosslinking agent, lubricant and antioxidant.
Its main benefit:
1, three power cores and a ground core twisted synthesizing cable core have high electrical performance, and each core is shared electric load, adapts to the requirement of rated voltage 35kV, and fail safe is good;
2, conductor shield, insulating barrier and semiconductive insulation screen are extruded in 1# conductor outer surface, make the power core have higher shielding and fail safe;
3, the insulating barrier of middle pressure ethylene-propylene rubber formation meets the insulating requirements of rated voltage 35kV, and Halogen;
4, semi-conductive layer is extruded in and consists of the ground core on the 2# conductor outer surface, makes the ground core meet the semiconductive insulating requirements;
5, the preferred zinc-plated soft copper conductor of 1# conductor and 2# conductor makes whole cable deliquescing, adapts to the anti-requirement of turning round;
6, cross-linking type EVA material structure satisfies low cigarette, Halogen, fire-retardantly, anti-the requirement such as turns round;
In addition, whole cable long service life, low cigarette, Halogen, fire-retardant, anti-turning round can be satisfied-40 ℃ of low temperature requirements.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure: 1,1# conductor, 2, conductor shield, 3, insulating barrier, 4, the semiconductive insulation screen, 5, the power core, 6, the 2# conductor, 7, semi-conductive layer, 8, core, 9, cable core, 10, lapping layer, 11, oversheath.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Embodiment
As shown in Figure 1, a kind of rated voltage 35kV wind power generation power cable, it is by consisting of with lower member:
---cable core 9, cable core 9 is by three power cores 5 and ground core 8 stranded forming;
---single power core 5 is made of 1# conductor 1, conductor shield 2, insulating barrier 3 and semiconductive insulation screen 4, adopts three-layer co-extruded mode evenly to extrude conductor shield 2, insulating barrier 3 and semiconductive insulation screen 4 on 1# conductor 1 outer surface; Wherein: 1# conductor 1 preferred zinc-plated soft copper conductor, the conductor shield that conductor shield 2 preferably is made of cross-linking type EVA material, the semiconductive insulation screen that semiconductive insulation screen 4 preferably is made of peelable cross-linking type EVA material, insulating barrier 3 preferred middle insulating barriers of pressing ethylene-propylene rubber to consist of; So, cross-linking type EVA semiconductive insulating barrier, the ethylene propylene rubber insulated layer of middle pressure and peelable cross-linking type EVA semiconductive insulating barrier adopt three-layer co-extruded mode evenly to be extruded in the single power core 5 of formation on the zinc-plated soft copper conductor outer surface;
---ground core 8 is made of 2# conductor 6 and semi-conductive layer 7, extrudes semi-conductive layer 7 on 2# conductor 6 outer surfaces; Wherein: 2# conductor 6 preferred zinc-plated soft copper conductors, semi-conductive layer 7 is preferred by the semi-conductive layer that comprises that EVA rubber and conductive black material consist of; So, consist of ground core 8 on the zinc-plated soft copper conductor outer surface by comprising that semi-conductive layer that neoprene and conductive black material consist of is extruded in;
---establish successively lapping layer 10 and oversheath 11 on cable core 9 outer surfaces, lapping layer 10 wrapped cable cores 9, oversheath 11 extrudes the cable core 9 that is surrounded with lapping layer 10; Wherein: the lapping layer that lapping layer 10 preferred nonwoven fabrics consist of, the oversheath that oversheath 11 preferably is made of cross-linking type EVA material.
The Chinese of cross-linking type EVA material is ethylene-vinyl acetate copolymer, and ethylene-vinyl acetate copolymer mainly is made of an amount of EVA material, conductive black, crosslinking agent, lubricant and antioxidant.
Adopt the wind power generation power cable of said structure effectively to overcome the prior art deficiency, for rated voltage 35kV wind power generation provides a kind of wind power generation power cable, it has: high shielding, high security, low cigarette, Halogen, fire-retardant, anti-turning round, can satisfy-40 ℃ of low temperature requirements, the characteristics such as long service life.
The utility model is not limited to above-described embodiment, and the technical scheme that all employings are equal to or the equivalence replacement forms all falls into the protection range that the utility model requires.
Claims (7)
1. rated voltage 35kV wind power generation power cable, it is made of cable core (9), lapping layer (10) and oversheath (11), and oversheath (11) extrudes the cable core (9) that is surrounded with lapping layer (10), it is characterized in that:
---described cable core (9) is the cable core (9) by three power cores (5) and a stranded formation of ground core (8);
---single power core (5) is made of 1# conductor (1), conductor shield (2), insulating barrier (3) and semiconductive insulation screen (4), and conductor shield (2), insulating barrier (3) and semiconductive insulation screen (4) are extruded on 1# conductor (1) outer surface;
---ground core (8) is made of 2# conductor (6) and semi-conductive layer (7), and semi-conductive layer (7) is extruded on 2# conductor (6) outer surface.
2. rated voltage 35kV wind power generation power cable according to claim 1, it is characterized in that: described 1# conductor (1) is zinc-plated soft copper conductor, described 2# conductor (6) is zinc-plated soft copper conductor.
3. rated voltage 35kV wind power generation power cable according to claim 2, it is characterized in that: described conductor shield (2) is the conductor shield that is made of cross-linking type EVA material, and described semiconductive insulation screen (4) is the semiconductive insulation screen that is made of peelable cross-linking type EVA material.
4. rated voltage 35kV wind power generation power cable according to claim 3 is characterized in that: described insulating barrier (3) is the insulating barrier that middle pressure ethylene-propylene rubber consists of.
5. rated voltage 35kV wind power generation power cable according to claim 4, it is characterized in that: described semi-conductive layer (7) is by the semi-conductive layer that comprises that EVA rubber and conductive black material consist of.
6. rated voltage 35kV wind power generation power cable according to claim 5 is characterized in that: described lapping layer (10) is the lapping layer that nonwoven fabrics consists of.
7. rated voltage 35kV wind power generation power cable according to claim 6, it is characterized in that: described oversheath (11) is the oversheath that is made of cross-linking type EVA material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220622705 CN202905273U (en) | 2012-11-22 | 2012-11-22 | Wind power generation power cable with nominal voltage of 35kV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220622705 CN202905273U (en) | 2012-11-22 | 2012-11-22 | Wind power generation power cable with nominal voltage of 35kV |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202905273U true CN202905273U (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220622705 Expired - Lifetime CN202905273U (en) | 2012-11-22 | 2012-11-22 | Wind power generation power cable with nominal voltage of 35kV |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202905273U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810320A (en) * | 2014-12-27 | 2016-07-27 | 哈尔滨聚吉轩科技开发有限公司 | Nano wire and cable sheath structure |
| CN109203620A (en) * | 2017-07-07 | 2019-01-15 | 无锡速达新材料科技股份有限公司 | A kind of semi-conductive screen macromolecule membrane |
-
2012
- 2012-11-22 CN CN 201220622705 patent/CN202905273U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810320A (en) * | 2014-12-27 | 2016-07-27 | 哈尔滨聚吉轩科技开发有限公司 | Nano wire and cable sheath structure |
| CN109203620A (en) * | 2017-07-07 | 2019-01-15 | 无锡速达新材料科技股份有限公司 | A kind of semi-conductive screen macromolecule membrane |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |
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| CX01 | Expiry of patent term |