CN201655407U - Control cable dedicated for offshore wind power generation equipment - Google Patents
Control cable dedicated for offshore wind power generation equipment Download PDFInfo
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- CN201655407U CN201655407U CN2010201693404U CN201020169340U CN201655407U CN 201655407 U CN201655407 U CN 201655407U CN 2010201693404 U CN2010201693404 U CN 2010201693404U CN 201020169340 U CN201020169340 U CN 201020169340U CN 201655407 U CN201655407 U CN 201655407U
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Abstract
The utility model discloses a control cable dedicated for offshore wind power generation equipment. The control cable comprises conductors formed by twisting multiple strands of tinning soft copper wires, wherein insulation layers are wrapped around the conductors; the conductors provided with the insulation layers are twisted to form cable cores; the clearances of the cable cores are filled with anti-flaming filler yarns; an anti-flaming belting layer is wrapped around the cable cores and the filler yarns; and an outer sheath of the cable formed by an anti-flaming polyurethane elastomer is wrapped around the belting layer in an extruding way. The cable has the advantages of good performances such as twisting resistance, bearing resistance, salt mist resistance, high/low temperature resistance, weathering resistance (ozone, heat and ageing and ultraviolet resistance), oil resistance and electrical insulation. Furthermore, the dedicated control cable can fully meet the requirement of long-time service of the cable of offshore wind power generation equipment and service environment, and has the service life as that of a wind generating set of above 20 years.
Description
Technical field:
The utility model relates to the special-purpose control cable of a kind of offshore wind energy plant.
Background technology:
On January 22nd, 2010, country's issue " offshore wind farm development ﹠ construction management Tentative Measures " indicates that National Energy Board begins to strengthen the management of offshore wind farm exploitation, has started first batch of offshore wind farm royalty right project simultaneously.
In 2009, with the developer of country headed by the five big electricity power groups work in coordination with the complete machine merchant in Liaoning, the coastal area layout of provinces and cities such as Hebei, Tianjin, Shandong, Jiangsu, Shanghai, Zhejiang, Fujian, Guangdong intertidal zone and coastal waters wind-powered electricity generation resource, develop coastal wind-powered electricity generation for next step and lay the foundation.2010, along with developing coastal wind-powered electricity generation resource paces, country accelerates, and the wind-powered electricity generation resource item that punctuate early stage has all had substantial progress now.
China still lacks the offshore wind farm construction experiences; wind energy on the sea resource measurement and assessment and the production domesticization of offshore wind farm unit are at the early-stage; pass through in recent years in conjunction with national science and technology research project; the offshore wind farm relevant technologies is carried out case study; the technical specification system that China's offshore wind farm is built is progressively improved development; formation has the offshore wind farm unit design and fabrication technology of independent intellectual property right, for the large-scale development of Chinese offshore wind farm creates conditions.
Oversea wind power generation will be greatly developed in following 30 years, China plans in the about 30 miles local extensive construction wind power station waterborne of distance seashore, these power stations may be built on the huge buoyancy aid, also may go deep under water 120 feet and build on the continental shelf.In view of wind-force on the sea usually than big on the ground, do not take valuable land resource, not influenced by topography and geomorphology, and transportation and lift with favourable conditionsly, wind-powered electricity generation unit single-machine capacity is bigger, the annual utilization hours number is higher.Not only resource potential is huge and the development and use market condition is good, so Oversea wind power generation has more development prospect.
The performance requirement of offshore wind energy plant private cable also should solve following problem except that the performance requirement that contains land special cable of wind power plant:
1, salt spray resistance.Because of cable is exposed containing across the sea in the air of salt fog, so the conductor of cable, insulation, particularly exposed cable jacket must be the material of salt spray resistance.
2, the sheath of cable also will satisfy other performance requirement of land special cable of wind power plant simultaneously except that having the salt spray resistance.Therefore, the sheath of cable is in by salt-fog resistant test, also will guarantee mechanical performance, heat aging property, UV resistant performance, ozone resistance, the oil resistance of cable cover(ing), whole cable also need be by anti-twisting property, load-bearing capacity and fire resistance etc. by test.Solve the synergitic problem of the every performance of sheath.
Summary of the invention:
For overcoming the defective of prior art, the purpose of this utility model is to provide a kind of offshore wind energy plant special-purpose control cable, has excellent anti-twisting property, load-bearing capacity, salt spray resistance, high and low temperature resistance, weather resisteant energy (ozone resistance performance, heat aging property and UV resistant performance), oil resistance and excellent electric insulating energy.
The utility model technical solution problem adopts following technical scheme:
The special-purpose control cable of offshore wind energy plant, comprise the conductor that the zinc-plated soft copper skein silk of multiply closes, be extruded with insulating barrier on the conductor, many conductors with insulating barrier are twisted into cable conductor, the cable core gap is filled with fire-retardant gasket for packing, outside cable core and gasket for packing, be surrounded with fire-retardant belting layer, extrude the oversheath that the flame-retardant polyurethane elastomer forms cable on the described belting layer.
Described insulating barrier adopts 105 ℃ of irradiation crosslinking type ethylene-propylene rubber elastomeric materials to extrude formation.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
1, by structure, material and technologic design to the special-purpose control cable of offshore wind energy plant, every performance of cable all meets design requirement and instructions for use.
2, the technical performance index of the invention:
2.1.1 operating voltage: 1.8/3kV and following;
2.1.2 test voltage: 450/750V cable: 2.5kV/5min; 0.6/1kV cable: 3.5kV/5min; 1.8/3kV cable: 6.5kV/5min.
2.1.3 conductor resistance meets the regulation of 5 class tin-coated copper conductors in 3956 in the time of 20 ℃.And by the test of coat of metal salt spray resistance.
2.1.4 the long-term permission working temperature of cable :-55～+ 105 ℃.
2.1.5 the tensile strength 〉=10MPa of insulation is 2 times of tensile strength of vulcanization type ethylene-propylene rubber, insulation can be passed through 136 ℃ * 168h high-temperature circulation test, the tensile strength rate of change after it wears out and the rate of change of elongation at break be not more than ± and 30%.
2.1.6 the tensile strength 〉=20MPa of sheath is 2 times of tensile strength of vulcanization type rubber sheath, insulation can be passed through 110 ℃ * 168h high-temperature circulation test, the tensile strength rate of change after it wears out and the rate of change of elongation at break be not more than ± and 30%.
2.1.7 cryogenic tensile, the low-temperature impact test of insulation and sheath, test temperature is-55 ℃.Insulation of test back and jacket surface are answered the flawless phenomenon.
2.1.8 the sheath of cable should stand 100 ℃, the test of the mineral oil of 24h, and the tensile strength rate of change after it is aging and the rate of change of elongation at break be not more than ± and 40%.
2.1.9 the insulation of cable and sheath are by 25 ℃, 24h, ozone concentration are that the ozone resistance test of 250～300ppm does not ftracture.
2.1.10 the salt spray resistance of cable should be able to be by the test of GB/T2423.17-2008 regulation, and the tensile strength rate of change and the elongation at break rate of change of the sheath before and after the salt mist test should be no more than ± and 30%.
2.1.11 anti-torsion test.Anti-torsion test under the normal temperature is: cable is positive and negative respectively to reverse 1440 ° for once, carries out altogether 10000 times.Anti-torsion test under the low temperature is: cable is positive and negative respectively to reverse 1440 ° for once, carries out altogether 2000 times.Result of the test is: check that cable surface does not ftracture; And then finished cable carried out 2.5U
0, 15min alternating voltage test and conductor resistance test, cable does not puncture, conductor resistance meets the regulation of GB/3956.
The test 2.1.12 bear a heavy burden.Whole cable by cross-sectional area of conductor long-pending * the 15N test of bearing a heavy burden, the insulation of cable and jacket surface should not have cracking.Conductor resistance should meet the regulation of GB/3956.
3, because of this cable by above-mentioned test, just can satisfy the requirement of Oversea wind power generation private cable, because of adopting tin-coated copper wire harness strand, conductor forms simultaneously, can prevent the corrosion of salt fog to copper conductor, and the conductor working temperature is also brought up to 150 ℃ and following, 105 ℃ of crosslinked material of irradiation type have been adopted in insulation again, ethylene propylene rubber insulated mechanical performance and temperature resistant grade have been improved, therefore, the working temperature that insulation is allowed also can be brought up to 105 ℃, temperature resistant grade than land wind-powered electricity generation cable has improved 15 ℃, the corresponding ampacity that has just improved cable makes cable under the situation of same ampacity, and the cross-section of cable just can reduce, the weight of cable also can reduce, and this is for the installation of cable in the marine wind electric field process of construction and lay and also alleviated work difficulty.Characteristic of this cable and advantage have all surpassed the level of existing wind power generation private cable both at home and abroad, have reached international most advanced level.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Number in the figure: 1 conductor, 2 insulating barriers, 3 gasket for packings, 4 belting layers, 5 oversheaths.
Below pass through embodiment, and the utility model is described in further detail in conjunction with the accompanying drawings.
Embodiment:
Embodiment: in conjunction with Fig. 1, the special-purpose control cable of present embodiment offshore wind energy plant, cable conductor is a multi-core conductor, each conductor 1 is closed by many zinc-plated soft copper skein silks of multiply and forms, its performance meets the requirement of the 5th kind of flexible conductor of GB/T3956-1997, the working temperature of tinned conductor can allow below 150 ℃, and has the performance of resisting salt fog corrosion.Adopt 105 ℃ of irradiation crosslinking type ethylene-propylene rubber elastomeric insulating materials to extrude on the conductor 1 and form insulating barrier 2, many conductors with insulating barrier are twisted into cable conductor, the cable core gap is filled with fire-retardant gasket for packing 3, outside cable core and gasket for packing 3, be surrounded with fire-retardant belting layer 4, the outermost layer of cable is an oversheath 5, adopt temperature resistant grade at-55 ℃～+ 90 ℃ thermoplastic environment-protective flame retardant polyurethanes (TPU) elastomer sheathing material, has excellent salt spray resistance, good weather resisteant energy, ozone resistance and heat aging property and remarkable mechanical performance, anti-wear performance and warp resistance performance, and have good environmental protection and fire resistance.
Claims (2)
1. the special-purpose control cable of offshore wind energy plant, comprise the conductor (1) that the zinc-plated soft copper skein silk of multiply closes, be extruded with insulating barrier (2) on the conductor (1), many conductors with insulating barrier (2) are twisted into cable conductor, the cable core gap is filled with fire-retardant gasket for packing (3), it is characterized in that, outside cable core and gasket for packing (3), be surrounded with fire-retardant belting layer (4), extrude the oversheath (5) that the flame-retardant polyurethane elastomer forms cable on the described belting layer.
2. the special-purpose control cable of offshore wind energy plant according to claim 1 is characterized in that described insulating barrier (2) adopts 105 ℃ of irradiation crosslinking type ethylene-propylene rubber elastomeric materials to extrude formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201693404U CN201655407U (en) | 2010-04-23 | 2010-04-23 | Control cable dedicated for offshore wind power generation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201693404U CN201655407U (en) | 2010-04-23 | 2010-04-23 | Control cable dedicated for offshore wind power generation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201655407U true CN201655407U (en) | 2010-11-24 |
Family
ID=43120651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201693404U Expired - Fee Related CN201655407U (en) | 2010-04-23 | 2010-04-23 | Control cable dedicated for offshore wind power generation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201655407U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103137271A (en) * | 2011-11-26 | 2013-06-05 | 烟台市电缆厂 | Production method and products of flexible cable for wind power generation |
| CN103227000A (en) * | 2013-03-26 | 2013-07-31 | 江苏远洋东泽电缆股份有限公司 | Salt corrosion resistant and twisting resistant control cable for ocean wind power and manufacturing method of control cable |
-
2010
- 2010-04-23 CN CN2010201693404U patent/CN201655407U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103137271A (en) * | 2011-11-26 | 2013-06-05 | 烟台市电缆厂 | Production method and products of flexible cable for wind power generation |
| CN103137271B (en) * | 2011-11-26 | 2015-09-23 | 烟台市电缆厂 | Manufacture method of a kind of flexible cable for wind power generation and products thereof |
| CN103227000A (en) * | 2013-03-26 | 2013-07-31 | 江苏远洋东泽电缆股份有限公司 | Salt corrosion resistant and twisting resistant control cable for ocean wind power and manufacturing method of control cable |
| CN103227000B (en) * | 2013-03-26 | 2016-01-20 | 江苏远洋东泽电缆股份有限公司 | The ocean wind-powered electricity generation Salt corrosion control cables of resistance to torsion and manufacture method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20150423 |
|
| EXPY | Termination of patent right or utility model |