CN110459359A - Wind-powered electricity generation big section EPR isolated dc flexible cable and its production technology - Google Patents
Wind-powered electricity generation big section EPR isolated dc flexible cable and its production technology Download PDFInfo
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- CN110459359A CN110459359A CN201910853136.XA CN201910853136A CN110459359A CN 110459359 A CN110459359 A CN 110459359A CN 201910853136 A CN201910853136 A CN 201910853136A CN 110459359 A CN110459359 A CN 110459359A
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- 230000005611 electricity Effects 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000005516 engineering process Methods 0.000 title claims abstract description 11
- 239000004020 conductor Substances 0.000 claims abstract description 57
- 239000000945 filler Substances 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 238000012856 packing Methods 0.000 claims abstract description 6
- 229920001971 elastomer Polymers 0.000 claims description 15
- 239000005060 rubber Substances 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 239000000779 smoke Substances 0.000 claims description 11
- 239000004411 aluminium Substances 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- 239000006229 carbon black Substances 0.000 claims description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 229910052736 halogen Inorganic materials 0.000 claims description 7
- 150000002367 halogens Chemical class 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 230000003712 anti-aging effect Effects 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 4
- 150000002978 peroxides Chemical class 0.000 claims description 4
- AFGNVSCTEXUEJE-UHFFFAOYSA-N 1-chloroicosane Chemical class CCCCCCCCCCCCCCCCCCCCCl AFGNVSCTEXUEJE-UHFFFAOYSA-N 0.000 claims description 3
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 229920002943 EPDM rubber Polymers 0.000 claims description 2
- 229910000410 antimony oxide Inorganic materials 0.000 claims description 2
- 230000008859 change Effects 0.000 claims description 2
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 claims description 2
- 101000873780 Homo sapiens m7GpppN-mRNA hydrolase Proteins 0.000 claims 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 1
- 102100035860 m7GpppN-mRNA hydrolase Human genes 0.000 claims 1
- 239000011701 zinc Substances 0.000 claims 1
- 229910052725 zinc Inorganic materials 0.000 claims 1
- 230000005684 electric field Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 229920001684 low density polyethylene Polymers 0.000 description 4
- 239000004702 low-density polyethylene Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- -1 90 parts by weight Polymers 0.000 description 1
- 241000487918 Acacia argyrodendron Species 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 235000011222 chang cao shi Nutrition 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- XTEGARKTQYYJKE-UHFFFAOYSA-N chloric acid Chemical compound OCl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-N 0.000 description 1
- 229940005991 chloric acid Drugs 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000019612 pigmentation Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Classifications
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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
-
- 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
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
-
- 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
- H01B7/1875—Multi-layer sheaths
-
- 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
- H01B7/1895—Internal space filling-up means
-
- 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
- H01B7/24—Devices affording localised protection against mechanical force or pressure
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses a kind of wind-powered electricity generation big section EPR isolated dc flexible cables and its production technology, and wherein the big section EPR isolated dc flexible cable of wind-powered electricity generation, successively includes center core, leading body, main insulating layer and oversheath from the inside to the outside；The center core successively includes central insulation packing, center conductor, center twining package tape and central insulating layer from the inside to the outside；The leading body includes the more twisted subitem conductors being wrapped in outside the core of center, the semi-conductive tape outside subitem conductor, and the semiconducting filler item being filled in adjacent subitem conductor exterior slots.More subitem conductor strands are wrapped in outside the core of center by the present invention, not only ensure that cable has biggish sectional area, but also reduce the quantity of conductor, and the setting of center core balances electric field, so that whole current-carrying capacity is big, it is highly-safe.
Description
Technical field
The present invention relates to a kind of wind-powered electricity generation big section EPR isolated dc flexible cables and its production technology.
Background technique
Major blower manufacturer global in recent years turns one's attention to sea one after another, and offshore wind farm is inexhaustible green low-carbon
Renewable energy has the advantages such as natural endowment is good, reserves are big, wind speed is high, cardinal wind is stable, wind power concentration height, is very suitable to
Large sized unit operation.And offshore wind farm is not take up soil, close to coastal economy developed regions load center, transmits economy
Good, market acceptance is high.External large fan manufacturer VESTAS just entered offshore wind farm field early in 2000, due to tradition
3MW type be unable to satisfy the demand for development of marine inexpensive wind-powered electricity generation, VESTAS maximum unit has reached 12MW.
Important spare part of the wind-powered electricity generation cable as blower power transmission, security reliability directly determine the operation longevity of blower
Life.With the continuous increase of power of fan, simple requires to meet transmission capacity to laying and operation meeting band by increasing radical
Carry out greater risk, conventional low Transmission system has been unable to satisfy the requirement of high power transmission, the big section EPR isolated dc of wind-powered electricity generation
Flexible cable Transmission system is introduced in high-power blower unit.
Summary of the invention
The object of the present invention is to provide a kind of wind-powered electricity generation big section EPR isolated dc flexible cables and its production technology.
Realizing the technical solution of the object of the invention is: the big section EPR isolated dc flexible cable of wind-powered electricity generation, from the inside to the outside successively
Including center core, leading body, main insulating layer and oversheath；The center core successively includes that central insulation is filled from the inside to the outside
Item, center conductor, center twining package tape and central insulating layer；The leading body includes more and twisted is wrapped in outside the core of center
Subitem conductor, the semi-conductive tape outside subitem conductor, and it is filled in partly leading in adjacent subitem conductor exterior slots
Electric packing.
The center conductor and subitem conductor are soft structure aluminium conductor.
The center twining package tape uses semiconductive nylon tape.
The overlap rate of the center twining package tape is 40%~50%.
The main insulating layer uses hard EP rubbers；The formula of the hard EP rubbers includes following components: the trade mark is " lucky
90 parts by weight of ethylene propylene diene rubber of woods petrochemical industry 4045 ", LDPE10 parts by weight, 80 parts by weight of kaolin, 5 parts by weight of zinc oxide,
1 parts by weight of silane coupling agent, 1 parts by weight of anti-aging agent.
The oversheath uses low smoke and low halogen rubber；The formula of the low smoke and low halogen rubber includes with the following group
Point:
CPE90 parts by weight, 20%EVA10 parts by weight, 80 parts by weight of talcum powder, 20 parts by weight of calcium carbonate, 20 weight of white carbon black
Measure part, 5 parts by weight of carbon black, 5 parts by weight of antimony oxide, 20 parts by weight of chlorocosanes, 1 parts by weight of anti-aging agent, auxiliary curing agent
TAIC3 parts by weight, peroxide vulcanizing agent BIBP2.5 parts by weight.
The production technology of the big section EPR isolated dc flexible cable of above-mentioned wind-powered electricity generation, comprising the following steps:
Step 1, center-filled item is prepared；
Step 2, center conductor is twisted outside center-filled item；
Step 3, the wrapped center twining package tape outside center conductor, then extrudes central insulating layer, obtains center core；
Step 4, preparation subitem conductor, and the wrapped semi-conductive tape outside subitem conductor；
Step 5, semiconducting filler item is prepared；
Step 6, it by more subitem conductor strands of wrapped semi-conductive tape outside the core of center, and is led in adjacent subitem
Semiconducting filler item is placed in body exterior slots；
Step 7, main insulating layer and oversheath are extruded finally by coextrusion process.
The center-filled item and semiconducting filler item are prepared by extrusion process.
The center conductor and subitem conductor are twisted by soft aluminium wire.
The filament diameter of the soft aluminium wire is 0.57~0.58mm.
Using above-mentioned technical proposal, the present invention has the following beneficial effects: (1) present invention twists more subitem conductors
Conjunction is wrapped in outside the core of center, not only ensure that cable has biggish sectional area, but also reduce the quantity of conductor, center core
Setting balance electric field it is highly-safe so that whole current-carrying capacity is big.
(2) center line stud of the invention plays more subitem conductors, and fills in adjacent subitem conductor exterior slots
Semiconducting filler item, so that leading body good electrical property and stable structure, appearance rounding, facilitate cable low temperature torsion and room temperature is turned round
Turn, makes cable more resistant to torsion.
(3) material of main insulating layer of the invention and oversheath all has excellent anti-tear performance, make cable laying and
It is more secure when used.
(4) oversheath of the invention uses low smoke and low halogen rubber, so that cable of the invention more ring when in use
It protects and safe.
Detailed description of the invention
In order that the present invention can be more clearly and readily understood, right below according to specific embodiment and in conjunction with attached drawing
The present invention is described in further detail, wherein
Fig. 1 is the structural diagram of the present invention.
Label in attached drawing are as follows:
Center core 1, central insulation packing 1-1, center conductor 1-2, center twining package tape 1-3, central insulating layer 1-4；
Leading body 2, subitem conductor 2-1, semi-conductive tape 2-2, semiconducting filler 2-3；
Main insulating layer 3；
Oversheath 4.
Specific embodiment
(embodiment 1)
See that Fig. 1, the big section EPR isolated dc flexible cable of wind-powered electricity generation of the present embodiment successively include center line from the inside to the outside
Core 1, leading body 2, main insulating layer 3 and oversheath 4.
Center core 1 successively includes central insulation packing 1-1, center conductor 1-2, center twining package tape 1-3 from the inside to the outside
With central insulating layer 1-4.Center twining package tape 1-3 uses semiconductive nylon tape.Center conductor 1-2 is soft structure aluminium conductor.Center
The overlap rate of twining package tape 1-3 is 40%~50%.
Leading body 2 includes the more twisted subitem conductor 2-1 being wrapped in outside center core 1, around subitem conductor 2-1
External semi-conductive tape 2-2, and the semiconducting filler 2-3 being filled in adjacent subitem conductor 2-1 exterior slots.Subitem is led
Body 2-1 is soft structure aluminium conductor.Cable roundness can be improved in semiconducting filler 2-3, can also make leading body electrical property more
It is good.
The hard EP rubbers that main insulating layer 3 uses voltage class anti-tear for 10KV, intensity >=7.0MPa, elongation at break >=
250,120 DEG C of temperature resistant grade.The formula of the hard EP rubbers includes following components: the trade mark is the ternary second of " Jilin Petrochemical 4045 "
Third rubber, 90 parts by weight, LDPE (Low density polyethylene, low density polyethylene (LDPE)) 10 parts by weight, 80 weight of kaolin
Measure part, 5 parts by weight of zinc oxide, 1 parts by weight of silane coupling agent, 1 parts by weight of anti-aging agent.The trade mark is the ternary of " Jilin Petrochemical 4045 "
EP rubbers belongs to medium ethylene content, and medium Mooney viscosity, electrical insulation properties are excellent, and extrusion performance is excellent.
The oversheath 4 uses low smoke and low halogen rubber, and intensity is greater than 11.0MPa, elongation is greater than 300%, heatproof
Light transmittance is greater than 60%, chloric acid gas content PH >=2.5, material electric conductivity≤30%, oxygen index (OI) in 120 DEG C of grade, smoke density
Greater than 30%, meet the test of resistance to 902# oil.The formula of low smoke and low halogen rubber includes following components: CPE90 parts by weight,
20%EVA10 parts by weight, 80 parts by weight of talcum powder, 20 parts by weight of calcium carbonate, 20 parts by weight of white carbon black, 5 parts by weight of carbon black, three oxygen
Change two antimony, 5 parts by weight, 20 parts by weight of chlorocosanes, 1 parts by weight of anti-aging agent, auxiliary curing agent TAIC3 parts by weight, peroxide sulphur
Agent BIBP2.5 parts by weight.Formula selects CPE and EVA to be used in combination, and can reduce smoke density with EVA, improve heat resistance,
And the processing performance of material can be improved.It selects talcum powder, calcium carbonate, white carbon black and carbon black to be applied in combination, plays synergistic reinforcement
Effect.Because carbon black smoke amount is big, replaces black wood charcoal black using white carbon black, play pigmentation, reduce smoke density, improve light transmission
Rate.
The production technology of the big section EPR isolated dc flexible cable of the wind-powered electricity generation of the present embodiment, comprising the following steps:
Step 1, center-filled 1-1 is prepared by extrusion process；
Step 2, center conductor 1-2 is twisted outside center-filled 1-1；Center conductor 1-2 cross-sectional area is 150mm2,
It is twisted by soft aluminium wire, filament diameter is 0.57~0.58mm.
Step 3, the wrapped center twining package tape 1-3 outside center conductor 1-2, then extrudes central insulating layer 1-4, obtains center
Core 1；
Step 4, preparation subitem conductor 2-1, and the wrapped semi-conductive tape 2-2 outside subitem conductor 2-1；Itemize conductor 2-1
Cross-sectional area is 1800mm2, it is twisted by soft aluminium wire, filament diameter is 0.57~0.58mm.
Step 5, semiconducting filler 2-3 is prepared by extrusion process, the diameter of semiconducting filler 2-3 is 6mm；
Step 6, the more subitem conductor 2-1 of wrapped semi-conductive tape 2-2 are stranded in outside center core 1, and in phase
Semiconducting filler 2-3 is placed in neighbour's subitem conductor 2-1 exterior slots；Central insulation packing 1-1 outer diameter is according to subitem conductor
The determining diameter of 2-1 arrangement is 4.7mm, can be improved the roundness of cable in this way, can also make the electrical property of center line core 1 more
It is good.
Step 7, main insulating layer 3 and oversheath 4 are extruded finally by coextrusion process.Using with online derivometer
TROESTER import connects sulphur machine 90+150 production line and carries out double-layer coextrusion, temperature setting when co-extrusion are as follows:
| Barrel 1 | Barrel 1 | Barrel 1 | Head 1 | Head 2 | |
| Insulating materials | 80℃ | 81℃ | 83℃ | 40℃ | 41℃ |
| Sheath material | 81℃ | 83℃ | 83℃ | 40℃ | 41℃ |
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in guarantor of the invention
Within the scope of shield.
Claims (10)
1. the big section EPR isolated dc flexible cable of wind-powered electricity generation, it is characterised in that: from the inside to the outside successively include center core (1), main
Conductor (2), main insulating layer (3) and oversheath (4)；The center core (1) successively includes central insulation packing from the inside to the outside
(1-1), center conductor (1-2), center twining package tape (1-3) and central insulating layer (1-4)；The leading body (2) includes more strands
Conjunction is wrapped in the external subitem conductor (2-1) of center core (1), the semi-conductive tape (2- external around subitem conductor (2-1)
2), and be filled in it is adjacent subitem conductor (2-1) exterior slots in semiconducting filler item (2-3).
2. the big section EPR isolated dc flexible cable of wind-powered electricity generation according to claim 1, it is characterised in that: lead at the center
Body (1-2) and subitem conductor (2-1) are soft structure aluminium conductor.
3. the big section EPR isolated dc flexible cable of wind-powered electricity generation according to claim 1, it is characterised in that: the center around
Band (1-3) uses semiconductive nylon tape.
4. the big section EPR isolated dc flexible cable of wind-powered electricity generation according to claim 1, it is characterised in that: the center around
The overlap rate of band (1-3) is 40%~50%.
5. the big section EPR isolated dc flexible cable of wind-powered electricity generation according to claim 1, it is characterised in that: the major insulation
Layer (3) uses hard EP rubbers；The formula of the hard EP rubbers includes following components:
The trade mark is 90 parts by weight of ethylene propylene diene rubber of " Jilin Petrochemical 4045 ", LDPE10 parts by weight, 80 parts by weight of kaolin, oxygen
Change 5 parts by weight of zinc, 1 parts by weight of silane coupling agent, 1 parts by weight of anti-aging agent, peroxide vulcanizing agent DCP2 parts by weight.
6. the big section EPR isolated dc flexible cable of wind-powered electricity generation according to claim 1, it is characterised in that: the oversheath
(4) low smoke and low halogen rubber is used；The formula of the low smoke and low halogen rubber includes following components:
CPE90 parts by weight, 20%EVA10 parts by weight, 80 parts by weight of talcum powder, 20 parts by weight of calcium carbonate, 20 parts by weight of white carbon black,
5 parts by weight of carbon black, 5 parts by weight of antimony oxide, 20 parts by weight of chlorocosanes, 1 parts by weight of anti-aging agent, auxiliary curing agent TAIC3
Parts by weight, peroxide vulcanizing agent BIBP2.5 parts by weight.
7. the wind-powered electricity generation production technology of big section EPR isolated dc flexible cable, it is characterised in that: the following steps are included:
Step 1, center-filled item (1-1) is prepared；
Step 2, center conductor (1-2) is twisted outside in center-filled item (1-1)；
Step 3, the wrapped center twining package tape (1-3) outside the center conductor (1-2), then extrude central insulating layer (1-4), obtains
Heart core (1)；
Step 4, preparation subitem conductor (2-1), and in the external wrapped semi-conductive tape (2-2) of subitem conductor (2-1)；
Step 5, semiconducting filler item (2-3) is prepared；
Step 6, that the more subitem conductors (2-1) of wrapped semi-conductive tape (2-2) are stranded in center core (1) is external, and
Semiconducting filler item (2-3) is placed in adjacent subitem conductor (2-1) exterior slots；
Step 7, main insulating layer (3) and oversheath (4) are extruded finally by coextrusion process.
8. the wind-powered electricity generation according to claim 7 production technology of big section EPR isolated dc flexible cable, it is characterised in that:
The center-filled item (1-1) and semiconducting filler item (2-3) are prepared by extrusion process.
9. the wind-powered electricity generation according to claim 7 production technology of big section EPR isolated dc flexible cable, it is characterised in that:
The center conductor (1-2) and subitem conductor (2-1) are twisted by soft aluminium wire.
10. the wind-powered electricity generation according to claim 9 production technology of big section EPR isolated dc flexible cable, it is characterised in that:
The filament diameter of the soft aluminium wire is 0.57~0.58mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910853136.XA CN110459359A (en) | 2019-09-10 | 2019-09-10 | Wind-powered electricity generation big section EPR isolated dc flexible cable and its production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910853136.XA CN110459359A (en) | 2019-09-10 | 2019-09-10 | Wind-powered electricity generation big section EPR isolated dc flexible cable and its production technology |
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| Publication Number | Publication Date |
|---|---|
| CN110459359A true CN110459359A (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910853136.XA Pending CN110459359A (en) | 2019-09-10 | 2019-09-10 | Wind-powered electricity generation big section EPR isolated dc flexible cable and its production technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116478481A (en) * | 2023-04-23 | 2023-07-25 | 国网湖南省电力有限公司 | Ethylene propylene rubber insulating material regulated and controlled by low-density polyethylene, and preparation method and application thereof |
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| CN2638202Y (en) * | 2003-01-13 | 2004-09-01 | 新疆特变电工股份有限公司 | Lead wire for electrical equipment |
| WO2011024262A1 (en) * | 2009-08-26 | 2011-03-03 | 太陽ケーブルテック株式会社 | Electric cable |
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| CN116478481A (en) * | 2023-04-23 | 2023-07-25 | 国网湖南省电力有限公司 | Ethylene propylene rubber insulating material regulated and controlled by low-density polyethylene, and preparation method and application thereof |
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