CN106928556A - High current-carrying capacity wind power generating set power cable - Google Patents
High current-carrying capacity wind power generating set power cable Download PDFInfo
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- CN106928556A CN106928556A CN201710155665.3A CN201710155665A CN106928556A CN 106928556 A CN106928556 A CN 106928556A CN 201710155665 A CN201710155665 A CN 201710155665A CN 106928556 A CN106928556 A CN 106928556A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The present invention discloses a kind of high current-carrying capacity wind power generating set power cable, and it is composed of the following components that it states ethylene-propylene rubber insulated layer：Ethylene propylene diene rubber Kep510, microwax, paraffin oil 2280, antimony oxide, titanium dioxide, white carbon, zinc oxide, nano flame retardant reinforcing agent JP150,4 ~ 8 parts of elastomer particles, adhesive, cumyl peroxide DCP1 ~ 3 part, trimethylol-propane trimethacrylate TMPTMA0.8 ~ 2 part；The elastomer particles are composed of the following components：Polypropylene, styrene-isoprene-styrene block copolymer SIS, glass fibre, tripalmitin, oxepane.High current-carrying capacity anti-torsion power cable of the present invention solves the problems, such as that the long-term high current-carrying capacity of 5MW Oversea wind power generation power anti-torsion cables, flexural fatigue, aging etc. cause service life to decline, while significantly improving the heat resistance of material.
Description
Technical field
The present invention relates to a kind of the antitorque of blower interior generator unit stator and fixed power transmission cable, more particularly to one kind
The anti-torsion cable of high current-carrying capacity.
Background technology
As a kind of cleaning, reproducible new energy, oneself is subjected to the extensive concern of countries in the world to wind energy.Wind energy takes it
Nexhaustible not to the utmost, wind-powered electricity generation is the clean energy, it is possible to reduce traditional fossil energy consumption, reduces the discharge of CO.
Relative to land wind power plant, the marine environment residing for offshore wind turbine is sufficiently complex and severe, subject it is various at any time
Between and spatial variations random load, act on structure including wind, wave, ocean current, sea ice and tide etc., at the same also be subject to earthquake
The threat of effect.Under the conditions of such rugged environment, environmental corrosion, sea organism attachment, foundation soil wash away soft with baseline power
The unfavorable factors such as the damage accumulation of change, material aging, component defect and mechanical damage, fatigue and Crack Extension will all cause sea
The decay of blower fan structure component and overall drag, influences the operation degree of safety and durability of blower fan structure.Offshore wind generating
The group high current-carrying capacity cable of resistance to torsion power is also subjected to major part as the important component of the transmission electric power of offshore wind turbine
The influence of adverse circumstances residing for blower fan, has a strong impact on the service life of product.
1st, offshore wind turbine is in order to bear marine high wind load, seawater corrosion and wave stroke, seawater blower fan and accessory kit
Complex structure, technical requirements more than land are high, construction cost is high；Cable performance suppression ratio is very fast, and service life is shorter.
2nd, during use, cable must endure as stretching resistance, reverses and bent rich fatigue cable, cause insulation and sheath material
Can decline comparatively fast, service life is shorter.The current ununified structure of such cable and performance requirement.
3rd, the antitorque power cable of wind power generating set typically uses 90 DEG C of ethylene-propylene rubber insulateds, sheath to be protected using neoprene rubber
Cover material, and 5MW offshore wind turbines with prismatic power cable requirement current-carrying capacity it is higher, this can cause offshore wind turbine to generate electricity
Power cable overloads, and accelerates insulation aging with sheath.
4th, offshore wind turbine generating anti-torsion cable is higher to sheath material requirement, and it is anti-that existing blower fan power cable insulate
The performances such as Zhang Qiangdu, ageing-resistant performance, tear-proof are not relatively high.
The content of the invention
The present invention provides a kind of high current-carrying capacity wind power generating set power cable, this high current-carrying capacity anti-torsion power cable
Meet offshore wind turbine high current-carrying capacity anti-torsion cable every power transmission and usability under normal operation circumstances
Energy（- 40 DEG C of operating temperature -- 125 DEG C）, solve the long-term high current-carrying capacity of 5MW Oversea wind power generation power anti-torsion cables, bend it is tired
Labor, aging etc. cause the problem that service life declines, as the leading level in the world；With good practical value and promotion price
Value.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of high current-carrying capacity wind power generating set electric power
Cable, including：Copper conductor, ethylene-propylene rubber insulated layer and polyethylene eraser sheath layer, the ethylene-propylene rubber insulated layer are coated on copper
The outer surface of conductor, the polyethylene eraser sheath layer is coated on ethylene-propylene rubber insulated layer outer surface, the ethylene-propylene rubber insulated
Layer is composed of the following components：
35 ~ 50 parts of ethylene propylene diene rubber Kep510,
1 ~ 3 part of microwax,
2,280 3 ~ 6 parts of paraffin oil,
4 ~ 10 parts of antimony oxide,
1 ~ 4 part of titanium dioxide,
2 ~ 6 parts of white carbon,
2 ~ 6 parts of zinc oxide,
30 ~ 40 parts of nano flame retardant reinforcing agent JP150,
4 ~ 8 parts of elastomer particles,
1 ~ 3 part of adhesive,
1 ~ 3 part of cumyl peroxide DCP,
0.8 ~ 2 part of trimethylol-propane trimethacrylate TMPTMA；
The elastomer particles are composed of the following components：
Melt flow rate (MFR) is 30 ~ 50 parts of the polypropylene of 10 ~ 20g/l0min,
20 ~ 30 parts of SIS SIS,
20 ~ 30 parts of glass fibre,
8 ~ 12 parts of tripalmitin,
4 ~ 6 parts of oxepane,
5 ~ 10 parts of methyl-silicone oil,
1 ~ 1.5 part of erucyl amide,
1 ~ 2 part of diethyl hypo-aluminum orthophosphate,
0.5 ~ 1 part of antioxidant；
The average fiber length of the glass fibre is 20~50mm, and average diameter is 8~25 μm；
The elastomer particles are obtained by following steps, specifically include following steps：
Step one, by melt flow rate (MFR) for 10 ~ 20g/l0min 30 ~ 50 parts of polypropylene, styrene-isoprene-phenylethene
20 ~ 30 parts of block copolymer SIS, 20 ~ 30 parts of glass fibre, 5 ~ 10 parts of addition high mixers of methyl-silicone oil, stir 20 ~ 60min,
It is well mixed to form initial mixture；
Step 2, by 8 ~ 12 parts of tripalmitin, 4 ~ 6 parts of oxepane, 1 ~ 1.5 part of erucyl amide, diethyl hypophosphorous acid
During 1 ~ 2 part of aluminium, 0.5 ~ 1 part of antioxidant add high mixer together with the initial mixture mixed in step one, stirring 10 ~
40min, it is well mixed to form secondary mixture；
Step 3, the secondary mixture that will be mixed in step 2 are put into double screw extruder, through melting extrusion, granulation；
Processing technology is as follows：The area's temperature for setting double screw extruder is 170 ~ 200 DEG C, and two area's temperature are 190 ~ 210 DEG C, 3rd area
Temperature is 210 ~ 230 DEG C, and four area's temperature are 220 ~ 240 DEG C, and five area's temperature are 180 ~ 220 DEG C, and head temperature is 160 ~ 180 DEG C,
Residence time is 1 ~ 3min, and pressure is that 10 ~ 16MPa forms elastomer particles.
Relevant content in above-mentioned technical proposal is explained as follows：
1st, in such scheme, the antioxidant is 2,6- three-level butyl -4- methylphenols, double（3,5- three-level butyl -4- hydroxyls
Phenyl）At least one in thioether, four [β-(3,5- three-level butyl -4- hydroxy phenyls) propionic acid] pentaerythritol esters.
2nd, in such scheme, described adhesive is adhesive XH-3.
3rd, in such scheme, the thickness of described and polyethylene eraser sheath layer is the 2 ~ 3 of the thickness of ethylene-propylene rubber insulated layer
Times.
Because above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
1. high current-carrying capacity wind power generating set power cable of the present invention, it is 35 ~ 50 that it contains ethylene propylene diene rubber Kep510
Part, 1 ~ 3 part of microwax, paraffin oil 2280 are 3 ~ 6 parts, 4 ~ 10 parts of antimony oxide, 1 ~ 4 part of titanium dioxide, 2 ~ 6 parts of white carbon, oxygen
Change 2 ~ 6 parts of zinc, nano flame retardant reinforcing agent JP150 be 30 ~ 40 parts, 4 ~ 8 parts of elastomer particles, 1 ~ 3 part of adhesive, peroxidating two it is different
0.8 ~ 2 part of propyl benzene DCP1 ~ 3 part, trimethylol-propane trimethacrylate TMPTMA, performance is learnt from other's strong points to offset one's weaknesses, with excellent
The performance such as ageing-resistant, high-low temperature resistant, corrosion-resistant, oil resistant, is experimentally confirmed, extraordinary 125 DEG C of high intensity second third rubber of the invention
Skin insulation properties are qualified, and preparation process is simple is workable.
2. high current-carrying capacity wind power generating set power cable of the present invention, adds special in its ethylene-propylene rubber insulated layer formula
Determine the elastomer particles of component, the elastomer particles being somebody's turn to do by melt flow rate (MFR) for 10 ~ 20g/l0min 30 ~ 50 parts of polypropylene,
SIS SIS20 ~ 30 part, 20 ~ 30 parts of glass fibre, tripalmitin 8 ~ 12
Part, 4 ~ 6 parts of oxepane, 5 ~ 10 parts of methyl-silicone oil, 1 ~ 1.5 part of erucyl amide, 1 ~ 2 part of diethyl hypo-aluminum orthophosphate, antioxidant 0.5
~ 1 part of composition so that the tear resistance and intensity of ethylene-propylene rubber insulated layer are greatly improved, while significantly improving the heat-resisting of material
Performance.
Brief description of the drawings
Accompanying drawing 1 is high current-carrying capacity anti-torsion power cable construction schematic diagram of the present invention.
In the figures above：1st, copper conductor；2nd, ethylene-propylene rubber insulated layer；3rd, polyethylene eraser sheath layer.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment 1 ~ 5：A kind of high current-carrying capacity wind power generating set power cable, including：Copper conductor 1, ethylene-propylene rubber insulated layer 2
With polyethylene eraser sheath layer 3, ethylene-propylene rubber insulated layer 2 is coated on the outer surface of copper conductor 1, the polyethylene rubber shield
Jacket layer 3 is coated on 2 outer surface of ethylene-propylene rubber insulated layer, and the ethylene-propylene rubber insulated layer 2 is composed of the following components, as shown in table 1：
Table 1
The elastomer particles are composed of the following components：
Table 2
The average fiber length of the glass fibre is 20~50mm, and average diameter is 8~25 μm.
Above-mentioned antioxidant is 2,6- three-level butyl -4- methylphenols, double（3,5- three-level butyl -4- hydroxy phenyls）Sulphur
At least one in ether, four [β-(3,5- three-level butyl -4- hydroxy phenyls) propionic acid] pentaerythritol esters.
Above-mentioned adhesive is adhesive XH-3.
The thickness of above-mentioned polyethylene eraser sheath layer is 2 ~ 3 times of the thickness of ethylene-propylene rubber insulated layer.
The manufacturing process of above-mentioned high current-carrying capacity wind power generating set power cable, comprises the following steps：
Step one, ethylene propylene diene rubber Kep510 is kneaded into 5min-6min for 35 ~ 50 parts in 100 DEG C of -120 DEG C of banburies, mixed
Refining is uniform；
Step 2,1 ~ 3 part of microwax, paraffin oil 2280 are added in the banbury for 3 ~ 6 parts, antimony oxide 4 ~ 10
Part, 1 ~ 4 part of titanium dioxide, 2 ~ 6 parts of white carbon, 2 ~ 6 parts of zinc oxide, nano flame retardant reinforcing agent JP150 are 30 ~ 40 parts, elastomer
4 ~ 8 parts of grain, 1 ~ 3 part of mixing 2min ~ 3min of adhesive；
Step 3,1 ~ 3 part of cumyl peroxide DCP, trimethylol propane trimethyl third are eventually adding in the banbury
0.8 ~ 2 part of olefin(e) acid ester TMPTMA, kneads 0.5min ~ 1.5min, is then discharged out glue stuff compounding；
It is step 4, the glue stuff compounding is thin logical 1 ~ 2 time on a mill, while put glue 2 ~ 3 times, then on tri-roll press machine
Open bar slice, the rubber page of output is cooled down by chill roll, after crossing talcum powder case, i.e. finished product.
The elastomer particles are obtained by following steps, specifically include following steps：
Step one, by melt flow rate (MFR) for 10 ~ 20g/l0min 30 ~ 50 parts of polypropylene, styrene-isoprene-phenylethene
20 ~ 30 parts of block copolymer SIS, 20 ~ 30 parts of glass fibre, 5 ~ 10 parts of addition high mixers of methyl-silicone oil, stir 20 ~ 60min,
It is well mixed to form initial mixture；
Step 2, by 8 ~ 12 parts of tripalmitin, 4 ~ 6 parts of oxepane, 1 ~ 1.5 part of erucyl amide, diethyl hypophosphorous acid
During 1 ~ 2 part of aluminium, 0.5 ~ 1 part of antioxidant add high mixer together with the initial mixture mixed in step one, stirring 10 ~
40min, it is well mixed to form secondary mixture；
Step 3, the secondary mixture that will be mixed in step 2 are put into double screw extruder, through melting extrusion, granulation；
Processing technology is as follows：The area's temperature for setting double screw extruder is 170 ~ 200 DEG C, and two area's temperature are 190 ~ 210 DEG C, 3rd area
Temperature is 210 ~ 230 DEG C, and four area's temperature are 220 ~ 240 DEG C, and five area's temperature are 180 ~ 220 DEG C, and head temperature is 160 ~ 180 DEG C,
Residence time is 1 ~ 3min, and pressure is that 10 ~ 16MPa forms elastomer particles.
The high intensity ethylene-propylene rubber insulated layer performance indications of the embodiment of the present invention 1, as shown in table 3：
3 125 DEG C of high intensity ethylene-propylene rubber insulated layer performance indications of table
| Sequence number | Performance project | Unit | Representative value |
| 1 | Aging preceding mechanical performance | ||
| 1.1 | Tensile strength | N/ mm2 | 15.3 |
| 1.2 | Elongation at break | % | 382 |
| 2 | Air -oven aged properties | ||
| 2.1 | Aging condition temperature | ℃ | 158±2 |
| Time | H | 7×24 | |
| 2.2 | Variation in tensile strength | % | -16 |
| 2.3 | Elongation at break rate of change | % | -20 |
| 3 | Hot elongation test | ||
| 3.1 | Experimental condition temperature | ℃ | 250±3 |
| Load-time | Min | 15 | |
| Mechanical stress | N/cm2 | 20 | |
| 3.2 | Elongation under load | % | 65 |
| 3.3 | Permanent elongation under load | % | 2 |
| 4 | Immersion oil is tested | ||
| 4.1 | Aging condition temperature | ℃ | 100±2 |
| Time | H | 24 | |
| 4.2 | Variation in tensile strength | % | -20 |
| 4.3 | Elongation at break rate of change | % | -25 |
| 5 | Cryogenic tensile is tested | ||
| 5.1 | Test temperature | ℃ | -40±2 |
| 5.2 | Test period | H | 4 |
| 5.3 | Elongation at break | % | 46 |
| 6 | PH resistance test（Standard oxalic acid；Standard NaOH） | ||
| 6.1 | Test temperature | ℃ | 23±4 |
| Test period | H | 168 | |
| 6.2 | Tensile strength maximum rate of change | % | 16 |
| 6.3 | Elongation at break minimum value | % | 262 |
| 7 | It is water-fast（Hydrolysis）Property | ||
| 7.1 | Test temperature | ℃ | 80±2 |
| Process time | H | 168 | |
| 7.2 | Tensile strength maximum rate of change | % | 21 |
| 7.3 | Elongation at break minimum value | % | 274 |
| 7.4 | Elongation at break rate of change maximum | % | 11 |
| 8 | Anti-tear experiment | ||
| 8.1 | Tear strength minimum value | N/mm | 9.3 |
During using above-mentioned high current-carrying capacity wind power generating set power cable, its performance is learnt from other's strong points to offset one's weaknesses, with it is excellent it is ageing-resistant,
The performance such as high-low temperature resistant, corrosion-resistant, oil resistant, is experimentally confirmed, and extraordinary 125 DEG C of high intensity ethylene-propylene rubber insulateds of the invention are each
Item performance is qualified, and preparation process is simple is workable；Secondly, specific components are added in its ethylene-propylene rubber insulated layer formula
Elastomer particles, the elastomer particles being somebody's turn to do are 30 ~ 50 parts of the polypropylene of 10 ~ 20g/l0min by melt flow rate (MFR), styrene-
Isoprene-styrene block copolymer SIS20 ~ 30 part, 20 ~ 30 parts of glass fibre, 8 ~ 12 parts of tripalmitin, epoxy
4 ~ 6 parts of hexane, 5 ~ 10 parts of methyl-silicone oil, 1 ~ 1.5 part of erucyl amide, 1 ~ 2 part of diethyl hypo-aluminum orthophosphate, 0.5 ~ 1 part of group of antioxidant
Into so that the tear resistance and intensity of ethylene-propylene rubber insulated layer are greatly improved, while significantly improving the heat resistance of material.
The above embodiments merely illustrate the technical concept and features of the present invention, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and implement according to this that it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent change or modification that Spirit Essence is made, should all be included within the scope of the present invention.
Claims (4)
1. a kind of high current-carrying capacity wind power generating set power cable, it is characterised in that：Including：Copper conductor（1）, ethylene-propylene rubber it is exhausted
Edge layer（2）With polyethylene eraser sheath layer（3）, the ethylene-propylene rubber insulated layer（2）It is coated on copper conductor（1）Outer surface, institute
State polyethylene eraser sheath layer（3）It is coated on ethylene-propylene rubber insulated layer（2）Outer surface, the ethylene-propylene rubber insulated layer（2）By with
The following group is grouped into：
35 ~ 50 parts of ethylene propylene diene rubber Kep510,
1 ~ 3 part of microwax,
2,280 3 ~ 6 parts of paraffin oil,
4 ~ 10 parts of antimony oxide,
1 ~ 4 part of titanium dioxide,
2 ~ 6 parts of white carbon,
2 ~ 6 parts of zinc oxide,
30 ~ 40 parts of nano flame retardant reinforcing agent JP150,
4 ~ 8 parts of elastomer particles,
1 ~ 3 part of adhesive,
1 ~ 3 part of cumyl peroxide DCP,
0.8 ~ 2 part of trimethylol-propane trimethacrylate TMPTMA；
The elastomer particles are composed of the following components：
Melt flow rate (MFR) is 30 ~ 50 parts of the polypropylene of 10 ~ 20g/l0min,
20 ~ 30 parts of SIS SIS,
20 ~ 30 parts of glass fibre,
8 ~ 12 parts of tripalmitin,
4 ~ 6 parts of oxepane,
5 ~ 10 parts of methyl-silicone oil,
1 ~ 1.5 part of erucyl amide,
1 ~ 2 part of diethyl hypo-aluminum orthophosphate,
0.5 ~ 1 part of antioxidant；
The average fiber length of the glass fibre is 20~50mm, and average diameter is 8~25 μm；
The elastomer particles are obtained by following steps, specifically include following steps：
Step one, by melt flow rate (MFR) for 10 ~ 20g/l0min 30 ~ 50 parts of polypropylene, styrene-isoprene-phenylethene
20 ~ 30 parts of block copolymer SIS, 20 ~ 30 parts of glass fibre, 5 ~ 10 parts of addition high mixers of methyl-silicone oil, stir 20 ~ 60min,
It is well mixed to form initial mixture；
Step 2, by 8 ~ 12 parts of tripalmitin, 4 ~ 6 parts of oxepane, 1 ~ 1.5 part of erucyl amide, diethyl hypophosphorous acid
During 1 ~ 2 part of aluminium, 0.5 ~ 1 part of antioxidant add high mixer together with the initial mixture mixed in step one, stirring 10 ~
40min, it is well mixed to form secondary mixture；
Step 3, the secondary mixture that will be mixed in step 2 are put into double screw extruder, through melting extrusion, granulation；
Processing technology is as follows：The area's temperature for setting double screw extruder is 170 ~ 200 DEG C, and two area's temperature are 190 ~ 210 DEG C, 3rd area
Temperature is 210 ~ 230 DEG C, and four area's temperature are 220 ~ 240 DEG C, and five area's temperature are 180 ~ 220 DEG C, and head temperature is 160 ~ 180 DEG C,
Residence time is 1 ~ 3min, and pressure is that 10 ~ 16MPa forms elastomer particles.
2. high current-carrying capacity wind power generating set power cable according to claim 1, it is characterised in that：The polyethylene
The thickness of eraser sheath layer is 2 ~ 3 times of the thickness of ethylene-propylene rubber insulated layer.
3. high current-carrying capacity wind power generating set power cable according to claim 1, it is characterised in that：Described adhesive
It is adhesive XH-3.
4. high current-carrying capacity wind power generating set power cable according to claim 1, it is characterised in that：The antioxygen
Agent is 2,6- three-level butyl -4- methylphenols, double（3,5- three-level butyl -4- hydroxy phenyls）Thioether, four [β-(3,5- tri-
Level butyl -4- hydroxy phenyls) propionic acid] at least one in pentaerythritol ester.
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| CN201710155665.3A CN106928556A (en) | 2017-03-16 | 2017-03-16 | High current-carrying capacity wind power generating set power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710155665.3A CN106928556A (en) | 2017-03-16 | 2017-03-16 | High current-carrying capacity wind power generating set power cable |
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| CN106928556A true CN106928556A (en) | 2017-07-07 |
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| CN201710155665.3A Pending CN106928556A (en) | 2017-03-16 | 2017-03-16 | High current-carrying capacity wind power generating set power cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110845800A (en) * | 2018-08-20 | 2020-02-28 | 南京浩宁达电气有限公司 | Preparation method of insulating material for cable insulating layer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059533A (en) * | 1991-10-30 | 1992-03-18 | 北京化工学院 | Thermoplastic ethylene-propylene rubber/polyolefine elastomer and preparation method |
| CN101792557A (en) * | 2010-02-24 | 2010-08-04 | 沈阳军航电源科技有限公司 | Application of thermoplastic elastomer on soft power cable for wind power generation |
| CN104558867A (en) * | 2015-01-31 | 2015-04-29 | 安徽特种电缆集团有限公司 | High-elasticity high-strength weather-resistant flame-retardant ethylene propylene diene monomer cable material and preparation method thereof |
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2017
- 2017-03-16 CN CN201710155665.3A patent/CN106928556A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059533A (en) * | 1991-10-30 | 1992-03-18 | 北京化工学院 | Thermoplastic ethylene-propylene rubber/polyolefine elastomer and preparation method |
| CN101792557A (en) * | 2010-02-24 | 2010-08-04 | 沈阳军航电源科技有限公司 | Application of thermoplastic elastomer on soft power cable for wind power generation |
| CN104558867A (en) * | 2015-01-31 | 2015-04-29 | 安徽特种电缆集团有限公司 | High-elasticity high-strength weather-resistant flame-retardant ethylene propylene diene monomer cable material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110845800A (en) * | 2018-08-20 | 2020-02-28 | 南京浩宁达电气有限公司 | Preparation method of insulating material for cable insulating layer |
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Application publication date: 20170707 |