CN103400642A - Medium-voltage flexible cable for high-current-carrying, distortion-resistant and weather-proof type wind turbine generator - Google Patents
Medium-voltage flexible cable for high-current-carrying, distortion-resistant and weather-proof type wind turbine generator Download PDFInfo
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- CN103400642A CN103400642A CN201310369063XA CN201310369063A CN103400642A CN 103400642 A CN103400642 A CN 103400642A CN 201310369063X A CN201310369063X A CN 201310369063XA CN 201310369063 A CN201310369063 A CN 201310369063A CN 103400642 A CN103400642 A CN 103400642A
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- warp resistance
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Abstract
The invention discloses a medium-voltage flexible cable for a high-current-carrying, distortion-resistant and weather-proof type wind turbine generator. The medium-voltage flexible cable comprises a conductor, wherein the outside of the conductor is wound with a composite semiconductor shielding layer, a heat-proof insulation layer, a composite insulation shielding layer, a metal and fiber yarn mixed weaving shielding layer, a fire-resistant layer, a flame-retardant insulating layer, a water-resisting layer and an outer sheath layer from the inside to the outside sequentially. The medium-voltage flexible cable has high flame retardation, good distortion resistance and excellent electrical performance and physical and mechanical properties.
Description
Technical field
The present invention relates to a kind of cable, particularly relate in a kind of high current-carrying warp resistance weather resistant wind-driven generator and press flexible cable.
Background technology
Along with between marine, tide, the wind power generation group in high height above sea level zone develops to large MW class wind turbine group, require the cable of wind-driven generator have lightweight, external diameter is little, high current-carrying, soft warp resistance, marine climate resistant, high-low temperature resistant, salt spray resistance, humidity, oil resistant, corrosion-resistant and good fire-retardant fireproof performance.
Summary of the invention
In order to solve the problems of the technologies described above, to the invention provides in a kind of high current-carrying warp resistance weather resistant wind-driven generator with high flame resistance, good warp resistance performance, good electric property and physical and mechanical properties and press flexible cable.
The technical solution used in the present invention is: comprise conductor, the outside of conductor is surrounded by composite semiconductor screen, heat-resistant insulating layer, compound inslation screen, metal and filament mixed weaving screen and external sheath layer from inside to outside successively.
In above-mentioned high current-carrying warp resistance weather resistant wind-driven generator, press in flexible cable, also comprise fireprotection layer, fireprotection layer is between metal and filament mixed weaving screen and external sheath layer.
In above-mentioned high current-carrying warp resistance weather resistant wind-driven generator, press in flexible cable, also comprise fire-retardant separator, described fire-retardant separator is between fireprotection layer and external sheath layer.
In above-mentioned high current-carrying warp resistance weather resistant wind-driven generator, press in flexible cable, also comprise water blocking layer, described water blocking layer is between fire-retardant separator and external sheath layer.
In above-mentioned high current-carrying warp resistance weather resistant wind-driven generator, press in flexible cable, described conductor is by multiply annealed copper silk stranded forming in the same way.
In above-mentioned high current-carrying warp resistance weather resistant wind-driven generator, press in flexible cable, described composite semiconductor screen comprises wrapped shield semiconductors belt and extrudes heat-resistant semiconductor shielding polyolefin layer.
In above-mentioned high current-carrying warp resistance weather resistant wind-driven generator, press in flexible cable, described heat-resistant insulating layer is that heat resistant rubber extrudes and forms.
In above-mentioned high current-carrying warp resistance weather resistant wind-driven generator, press in flexible cable, described compound inslation screen comprises that extruding heat-resistant semiconductor shields polyolefin layer and wrapped shield semiconductors belt.
In above-mentioned high current-carrying warp resistance weather resistant wind-driven generator, press in flexible cable, described fireprotection layer forms by the ceramic silicon rubber strip is wrapped.
In above-mentioned high current-carrying warp resistance weather resistant wind-driven generator, press in flexible cable, described fire-retardant separator forms by the heat-resisting glass-fiber band is wrapped.
Compared with prior art, the invention has the beneficial effects as follows:
1, conductor of the present invention is multiply annealed copper silk stranded forming in the same way, and conductor structure is tight, and little, the surperficial rounding of external diameter, smooth is eliminated the partial discharge that the conductive surface out-of-flatness forms, and the conductor resistance rate reduces, and has improved the current-carrying of conductor.
2, conductor of the present invention is multiply annealed copper silk stranded forming in the same way, has reduced single brass wire diameter, has increased the copper wire radical; Stranded copper wire is stranded in the same way, makes softness of the present invention, tensile strength performance and anti-crooked torsional property be improved.
3, composite semiconductor screen of the present invention comprises wrapped shield semiconductors belt and extrudes heat-resistant semiconductor shielding polyolefin layer, soft warp resistance, strengthened slipping property between conductor and wrapped shield semiconductors belt, the uniform electric field distribution of composite semiconductor screen and conductor and insulating surface generation corona produce, and guarantee the stable of the high current-carrying of the present invention.
4, three layers of composite semiconductor polyene screens of the present invention, heat-resistant insulating layer, compound inslation screen are with once extruding, crosslinked by continuous vulcanization is high temperature resistant thermosetting type India rubber, the long-term work temperature is-60～150 ℃, and during the high current-carrying operation of conductor, hot property is stable.
5, compound inslation screen of the present invention comprises that extruding heat-resistant semiconductor shields polyolefin layer and wrapped shield semiconductors belt, and soft warp resistance, strengthened slipping property between heat-resistant insulating layer and metal and filament mixed weaving screen.
6, the present invention is provided with compound inslation screen and metal and filament mixed weaving screen, can prevent from insulating and conductor between and in the space between insulation and metal screen layer, partial discharge, uniform electric field distribution and stranded conductor and insulating surface generation corona occur, the stablizing of the high current-carrying of assurance cable.
7, the present invention is provided with metal and filament mixed weaving screen, when the present invention reverses along anti-1440 degree repeatedly at low temperature, the revolution of conductor copper cash, can effectively discharge torque, strengthens slipping property and warp resistance performance between conductor copper cash and metal and filament mixed weaving screen.
8, the present invention is provided with fireprotection layer, fire-retardant separator, during breaking out of fire, can postpone flame to burning of the present invention, ensures and normally carries in short-term electric current.
9, the present invention is provided with water blocking layer, can prevent ocean climate, salt fog, moist corrosion to conductor, ensures the electrical insulation electrical property, has extended useful life of the present invention.
10, described external sheath layer of the present invention is extruded and is formed by heat-resistant halogen-free flame-retardant rubber, but long-term work at-60～+ 150 ℃, Halogen, fire-retardant, wear-resisting, tear resistance and marine climate resistant, high-low temperature resistant, oil resistant, salt spray resistance, decay resistance.
11, the present invention adopts long-term nominal operation to be insulating material, the shielding material of-60～150 ℃, sheath material, when the long-term nominal operation temperature of conductor improves 30 ℃, the conductor ampacity improves more than 30%, cable is under the prerequisite of same current-carrying, and cross-sectional area of conductor suitably reduces, and construction of cable size is corresponding to be reduced, the outside diameter of cable, weight reduce, the development of applicable Oversea wind cable and offshore oil platform, the high current-carrying of ocean engineering cable lightweight.
12, the present invention does not contain halogen family element, low cigarette, fire-retardant, fire prevention, waterproof, anticorrosion, environmental protection, during breaking out of fire, can not form secondary pollution; Be applicable to oil platform, marine engineering equipment stand ocean climate, strong ultraviolet radiation, seawater, salt fog, high low temperature, etc. adverse circumstances, and the middle pressure flexible cable that requires of the specified conditions such as installations and facilities high temperature, oil, chemical substance.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
As shown in Figure 1, the present invention includes conductor 1, the outside of conductor 1 is surrounded by composite semiconductor screen 2, heat-resistant insulating layer 3, compound inslation screen 4, metal and filament mixed weaving screen 5, fireprotection layer 6, fire-retardant separator 7, water blocking layer 8 and external sheath layer 9 from inside to outside successively.
Described conductor 1, by multiply annealed copper silk stranded forming in the same way, makes conductor 1 close structure, and little, the surperficial rounding of external diameter, smooth is eliminated the partial discharge that the conductive surface out-of-flatness forms, and conductor 1 resistivity decreased has improved the current-carrying of conductor 1; During making, reduce single brass wire diameter, increased the copper wire radical; Stranded copper wire is stranded in the same way, makes softness of the present invention, tensile strength performance and anti-crooked torsional property be improved.Described composite semiconductor screen 2 comprises wrapped shield semiconductors belt and extrudes heat-resistant semiconductor shielding polyolefin layer, soft warp resistance, strengthened the slipping property between conductor 1 and wrapped shield semiconductors belt, composite semiconductor screen 2 uniform electric fields distribute and conductor 1, with heat-resistant insulating layer 3 surfaces, the corona generation occurs, and guarantee the stable of the high current-carrying of the present invention.
Described heat-resistant insulating layer 3 forms for heat resistant rubber extrudes.Described compound inslation screen 4 comprises that extruding heat-resistant semiconductor shields polyolefin layer and wrapped shield semiconductors belt.Described fireprotection layer 6 forms by the ceramic silicon rubber strip is wrapped; Described fire-retardant separator 7 forms by the heat-resisting glass-fiber band is wrapped, fireprotection layer 6, when fire-retardant separator 7 makes breaking out of fire, can postpone flame to burning of the present invention, ensures and normally carries in short-term electric current.Described water blocking layer 8 forms by expansion water strip is wrapped, can prevent ocean climate, salt fog, moist corrosion to electric current, ensures the electrical insulation electrical property, has extended useful life of the present invention.Described external sheath layer 9 is extruded and is formed by heat-resistant halogen-free flame-retardant rubber, but long-term work at-60～+ 150 ℃, Halogen, fire-retardant, wear-resisting, tear resistance and marine climate resistant, high-low temperature resistant, oil resistant, salt spray resistance, decay resistance.
Claims (10)
1. in one kind high current-carrying warp resistance weather resistant wind-driven generator, press flexible cable, it is characterized in that: comprise conductor, the outside of conductor is surrounded by composite semiconductor screen, heat-resistant insulating layer, compound inslation screen, metal and filament mixed weaving screen and external sheath layer from inside to outside successively.
2. in high current-carrying warp resistance weather resistant wind-driven generator as claimed in claim 1, press flexible cable, it is characterized in that: also comprise fireprotection layer, fireprotection layer is between metal and filament mixed weaving screen and external sheath layer.
3. in high current-carrying warp resistance weather resistant wind-driven generator as claimed in claim 2, press flexible cable, it is characterized in that: also comprise fire-retardant separator, described fire-retardant separator is between fireprotection layer and external sheath layer.
4. in high current-carrying warp resistance weather resistant wind-driven generator as claimed in claim 3, press flexible cable, it is characterized in that: also comprise water blocking layer, described water blocking layer is between fire-retardant separator and external sheath layer.
5. as in claim 1,2,3 or 4 described high current-carrying warp resistance weather resistant wind-driven generators, pressed flexible cable, it is characterized in that: described conductor is by multiply annealed copper silk stranded forming in the same way.
6. as in claim 1,2,3 or 4 described high current-carrying warp resistance weather resistant wind-driven generators, pressed flexible cable, it is characterized in that: described composite semiconductor screen comprises wrapped shield semiconductors belt and extrudes heat-resistant semiconductor shielding polyolefin layer.
7. as in claim 1,2,3 or 4 described high current-carrying warp resistance weather resistant wind-driven generators, pressed flexible cable, it is characterized in that: described heat-resistant insulating layer is that heat resistant rubber extrudes and forms.
8. as in claim 1,2,3 or 4 described high current-carrying warp resistance weather resistant wind-driven generators, pressed flexible cable, it is characterized in that: described compound inslation screen comprises that extruding heat-resistant semiconductor shields polyolefin layer and wrapped shield semiconductors belt.
9. in high current-carrying warp resistance weather resistant wind-driven generator as claimed in claim 2, press flexible cable, it is characterized in that: described fireprotection layer forms by the ceramic silicon rubber strip is wrapped.
10. in high current-carrying warp resistance weather resistant wind-driven generator as claimed in claim 3, press flexible cable, it is characterized in that: described fire-retardant separator forms by the heat-resisting glass-fiber band is wrapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310369063XA CN103400642A (en) | 2013-08-22 | 2013-08-22 | Medium-voltage flexible cable for high-current-carrying, distortion-resistant and weather-proof type wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310369063XA CN103400642A (en) | 2013-08-22 | 2013-08-22 | Medium-voltage flexible cable for high-current-carrying, distortion-resistant and weather-proof type wind turbine generator |
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| Publication Number | Publication Date |
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| CN103400642A true CN103400642A (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310369063XA Pending CN103400642A (en) | 2013-08-22 | 2013-08-22 | Medium-voltage flexible cable for high-current-carrying, distortion-resistant and weather-proof type wind turbine generator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106098132A (en) * | 2016-05-26 | 2016-11-09 | 合肥中海信息科技有限公司 | A kind of yellow gold conductor cable for aerospace |
| CN106098160A (en) * | 2016-07-18 | 2016-11-09 | 远东电缆有限公司 | A kind of cold-resistant wind-power electricity generation of resistance to torsion midium voltage cable and production technology thereof |
| CN113299440A (en) * | 2021-05-28 | 2021-08-24 | 江苏中天科技股份有限公司 | Comprehensive flexible cable and manufacturing method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6514608B1 (en) * | 1998-07-10 | 2003-02-04 | Pirelli Cable Corporation | Semiconductive jacket for cable and cable jacketed therewith |
| US20090200058A1 (en) * | 2007-02-12 | 2009-08-13 | Allen John C | Cable For Stringed Musical Instruments |
| CN201364763Y (en) * | 2009-03-09 | 2009-12-16 | 常州市新东方电缆有限公司 | High-voltage cable for high speed railcar |
| CN202694972U (en) * | 2012-07-20 | 2013-01-23 | 浙江万马电缆股份有限公司 | 26/35kV twist-resistant flexible cable for offshore wind power generation |
| CN202855424U (en) * | 2012-11-16 | 2013-04-03 | 中利科技集团（辽宁）有限公司 | Halogen-free low-smoke flame-retardant fire-resistant medium-voltage flexible cable |
| CN203397721U (en) * | 2013-08-22 | 2014-01-15 | 湖南华菱线缆股份有限公司 | High current-carrying warp-resistance weather-proof type middling pressure flexible cable for aerogenerator |
-
2013
- 2013-08-22 CN CN201310369063XA patent/CN103400642A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6514608B1 (en) * | 1998-07-10 | 2003-02-04 | Pirelli Cable Corporation | Semiconductive jacket for cable and cable jacketed therewith |
| US20090200058A1 (en) * | 2007-02-12 | 2009-08-13 | Allen John C | Cable For Stringed Musical Instruments |
| CN201364763Y (en) * | 2009-03-09 | 2009-12-16 | 常州市新东方电缆有限公司 | High-voltage cable for high speed railcar |
| CN202694972U (en) * | 2012-07-20 | 2013-01-23 | 浙江万马电缆股份有限公司 | 26/35kV twist-resistant flexible cable for offshore wind power generation |
| CN202855424U (en) * | 2012-11-16 | 2013-04-03 | 中利科技集团（辽宁）有限公司 | Halogen-free low-smoke flame-retardant fire-resistant medium-voltage flexible cable |
| CN203397721U (en) * | 2013-08-22 | 2014-01-15 | 湖南华菱线缆股份有限公司 | High current-carrying warp-resistance weather-proof type middling pressure flexible cable for aerogenerator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106098132A (en) * | 2016-05-26 | 2016-11-09 | 合肥中海信息科技有限公司 | A kind of yellow gold conductor cable for aerospace |
| CN106098160A (en) * | 2016-07-18 | 2016-11-09 | 远东电缆有限公司 | A kind of cold-resistant wind-power electricity generation of resistance to torsion midium voltage cable and production technology thereof |
| CN113299440A (en) * | 2021-05-28 | 2021-08-24 | 江苏中天科技股份有限公司 | Comprehensive flexible cable and manufacturing method thereof |
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Application publication date: 20131120 |