CN104051074B - A kind of wind electric power generation cable and production technology - Google Patents
A kind of wind electric power generation cable and production technology Download PDFInfo
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- CN104051074B CN104051074B CN201410207083.1A CN201410207083A CN104051074B CN 104051074 B CN104051074 B CN 104051074B CN 201410207083 A CN201410207083 A CN 201410207083A CN 104051074 B CN104051074 B CN 104051074B
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Abstract
The invention discloses a kind of wind electric power generation cable and production technology thereof, production technology comprises the following steps: step one: determine that the construction of cable is followed successively by conductor, twining package tape, insulating barrier and sheath from the inside to the outside;Step 2: combine American Standard and GB determines conductor;Step 3: using polyester-type non-woven fabrics around wrapping in outside conductor, as twining package tape, its rate of putting up is 25% 35%;Step 4: the company's of employing sulfur double-layer coextrusion technique extrudes insulating barrier and sheath outside twining package tape;Insulating barrier uses EPCV;Sheath uses CPE.The present invention uses the mode of innovation, American Standard is combined with GB, the cable conductor filament diameter, the conductor global sections that are produced by the technique of the present invention are long-pending, conductor DC resistance fully meets UL44.2010 standard, overcome domestic enterprise and generally substitute the difficulty of corresponding American Standard by GB conductor size, give basic calculating thinking, give wire drawing, synnema joins size range and the arrangement architecture of mould simultaneously.
Description
Technical field
Patent of the present invention relates to a kind of wind electric power generation cable and production technology.
Background technology
Wind energy is the regenerative resource of a kind of cleaning, be currently also on the largest scale in numerous new forms of energy, technology is the most ripe,
There is the power generation mode of business development prospect, may utilize wind energy resources the nearlyest 10 according to open source information display China mainland and inshore
Hundred million kW, China's " planning of regenerative resource Long-and Medium-term Development " points out, the year two thousand twenty China wind-powered electricity generation total installation of generating capacity reaches 3000
Ten thousand kW, 2013-2020 are still the gold period being well worth doing.Wind electric power generation cable has the control in wind-power engine room and tower
Cable processed, signal cable, warp resistance power cable etc., because of wind field bad environments, and power cable swings with impeller and turns round
Song, so cable for wind power generation typically requires higher, as required low temperature resistant, oil resistant, warp resistance, weatherability, resistance to purple
Outside line, acid and alkali-resistance etc..Wind electric power generation cable is domestic most with reference to industry standard TICW01, then needs to meet at north America region
The requirement of UL44.2010, the conductor in UL44.2010, insulation, jacket structure have bigger with size with IEC, GB
Difference, as weighed the long-pending unit of cross-sectional area of conductor, D.C. resistance, the selection etc. of insulating sheath.
Summary of the invention
First purpose of the present invention is to provide the production technology of a kind of wind electric power generation cable.
The technical scheme realizing first purpose of the present invention is the production technology of a kind of wind electric power generation cable, including following step
Rapid:
Step one: determine that the construction of cable is followed successively by conductor, twining package tape, insulating barrier and sheath from the inside to the outside;
Step 2: combine American Standard and GB determines conductor: according to American Standard UL44-2010 standard, the kcmil specified
Number is converted into mm2, it is determined as Xmm2;Then in GB GB3956-2008, select the most immediate mm2, it is determined as Ymm2,
Ymm is obtained according to GB GB3956-20082Lower conductor wire diameter of single wires and the radical range of choice;Mark further according to UL44-2010
20 DEG C of D.C. resistance Z under this kcmil number conductor of regulation in standard, by resistance formula R=ρ L/S, by aforementioned model
Enclose the different monofilament of interior selection and be increased or decreased this monofilament radical make to calculate resistance value be Z ±;Here, ρ is choosing
The resistivity of the monofilament selected, L be 1000m, S be select monofilament total sectional area;
Step 3: using polyester-type non-woven fabrics around wrapping in outside conductor, as twining package tape, its rate of putting up is 25%-35%;
Step 4: the company's of employing sulfur double-layer coextrusion technique extrudes insulating barrier and sheath outside twining package tape;Insulating barrier uses EPCV;
Sheath uses CPE.
The thickness of the twining package tape in described step 3 is 0.1-0.2mm, and width is 30-40mm, and longitudinal lapping is outside conductor
Portion.
In company's sulfur double-layer coextrusion technique of described step 4, design according to the Mooney viscosity of insulating barrier and two kinds of materials of sheath and squeeze
Going out temperature, two rubber extruding machine body temperature are all set between 240 DEG C~450 DEG C, and melt pressure controls at below 450bar,
Extrusion glue is uniform, smooth, uses online derivometer to detect cable eccentricity situation, and speed of production controls 7.5~8.8m/min
Between.
The insulating barrier of described step 4 and the thickness of sheath are respectively 2.5mm and 1.7mm.
In described step 2, preparation meets the cable of UL44.2010 standard 500kcmil;Conductor selects copper conductor;
500kcmil is equal to 253mm2, 20 DEG C of D.C. resistances are 0.0709 Ω/km, 240mm in GB2The most closest, according to
20 DEG C of D.C. resistances anti-derivation body string diameter and radicals, select this conductor by the copper wire filament tow of 22 a diameter of 0.495mm
The equidirectional multiple strand of silk, 61 strands silks forms.
In described step 2, the monofilament in conductor uses multiple drawing machine to draw, and outlet die configuration scope is
0.492-0.50mm;Synnema uses bull strand winder bundle strand, 22 monofilament to use 8+14 or 1+7+14 arrangement, inlet wire
Mould configuration scope is between 2.62-2.75mm, and after synnema, external diameter is 2.60-2.65mm, and after bundle strand, monofilament elongation percentage is
10%-15%;Multiple strand uses 630 type frame winches stranded, and the 61 strands silks structure that tangles again is 1+6+12+18+24, and outermost layer saves
It is 180-220mm away from span of control.
In described step 2, preparation meets the cable of UL44.2010 standard 600kcmil;Conductor aluminium conductor;
600kcmil is equal to 304mm2, 20 DEG C of D.C. resistances are 0.0967 Ω/km, and the most immediate in GB is 300mm2,
According to 20 DEG C of D.C. resistances anti-derivation body string diameter and radical, selecting to use 2 class conductors, 1+6+12+18+23 pressed by 60 monofilament
Structural arrangement is stranded;Using L2 or above aluminum bar extrusion to the aluminium conductor of 5.0-6.0mm, intensity is 70-100Mpa, then
After this aluminum bar wire drawing, filament strength is controlled at 120-160Mpa.
Second object of the present invention is to provide a kind of wind electric power generation cable.
The technical scheme realizing second purpose of the present invention is: a kind of wind electric power generation cable, interior to be followed successively by outward conductor, around
Band, insulating barrier and sheath;Described conductor is same by the copper wire monofilament synnema of 22 a diameter of 0.495mm, 61 strands silks
Direction is twisted again and is formed;The thickness of described twining package tape is 0.1-0.2mm, and width is 30-40mm, and longitudinal lapping is outside conductor
Portion;The thickness of described insulating barrier and sheath is respectively 2.5mm and 1.7mm.Or interior to be followed successively by outward conductor, twining package tape,
Insulating barrier and sheath;Described conductor 2 class aluminium conductor, it is stranded that 1+6+12+18+23 structural arrangement pressed by 60 monofilament;Described
The thickness of twining package tape is 0.1-0.2mm, and width is 30-40mm, and longitudinal lapping is outside conductor;Described insulating barrier and protecting
The thickness of set is respectively 2.5mm and 1.7mm.
Using technique scheme, patent of the present invention has the advantages that (1) present invention uses the mode of innovation,
American Standard be combined with GB, the technique of the present invention cable conductor filament diameter, the conductor global sections that produce are long-pending, conductor
D.C. resistance fully meets UL44.2010 standard, overcomes domestic enterprise and generally substitutes corresponding U.S. by GB conductor size
Target difficulty, gives basic calculating thinking, gives wire drawing, synnema joins size range and the arrangement architecture of mould simultaneously.
(2) insulation and the temperature of sheath double-layer coextrusion, pressure, the speed set point of the present invention can further ensure that the present invention
The cable produced can meet American Standard standard.
Accompanying drawing explanation
In order to make the content of patent of the present invention be easier to be clearly understood, below according to specific embodiment and combine accompanying drawing,
This utility model is described in further detail, wherein
Fig. 1 is the construction of cable schematic diagram of the present invention.
Accompanying drawing is numbered:
Conductor 1, twining package tape 2, insulation 3, sheath 4.
Detailed description of the invention
(embodiment 1)
Seeing Fig. 1, a kind of wind electric power generation cable of the present embodiment is followed successively by conductor 1, twining package tape 2, insulating barrier 3 from the inside to the outside
With sheath 4.
Its production technology comprises the following steps:
Step one: determine that the construction of cable is followed successively by conductor 1, twining package tape 2, insulating barrier 3 and sheath 4 from the inside to the outside;
Step 2: combine American Standard and GB determines conductor: according to American Standard UL44.2010 standard, the kcmil specified
Number is converted into mm2, it is determined as Xmm2;Then in GB GB3956, select the most immediate mm2, it is determined as Ymm2, root
Ymm is obtained according to GB GB39562Lower conductor wire diameter of single wires and the radical range of choice;Advise further according in UL44.2010 standard
Fixed 20 DEG C of D.C. resistance Z under this kcmil number conductor, by resistance formula R=ρ L/S, by selecting in aforementioned range
Select different monofilament and be increased or decreased this monofilament radical make to calculate resistance value be Z ±;Here, ρ is the list selected
Silk resistivity, L be 1000m, S be select monofilament total sectional area;
Step 3: using polyester-type non-woven fabrics outside around wrapping in conductor 1, as twining package tape 2, its rate of putting up is 25%-35%;
The thickness of twining package tape 2 is 0.1-0.2mm, and width is 30-40mm, and longitudinal lapping is outside conductor 1;Use this wrapped
Band can effectively stop Insulation Material to be penetrated among conductor, and width, thickness are suitable.
Step 4: the company's of employing sulfur double-layer coextrusion technique is at the outer extrusion insulating barrier 3 of twining package tape 2 and sheath 4;Insulating barrier 3 is adopted
Use EPCV;Sheath 4 uses CPE;Mooney viscosity design extrusion temperature according to insulating barrier 3 and 4 two kinds of materials of sheath,
Two rubber extruding machine body temperature are all set between 240 DEG C~450 DEG C, and melt pressure controls at below 450bar, and extrusion glue is equal
Even, smooth, use online derivometer to detect cable eccentricity situation, speed of production controls between 7.5~8.8m/min;According to
A kind of production technology of the American Standard wind electric power generation cable of claim 3, it is characterised in that: the insulating barrier of step 43 and protecting
The thickness of set 4 is respectively 2.5mm and 1.7mm.
Non-press so that the circular non-compacting pressing copper core cable of 500kcmil 2000V and 600kcmil 2000V are circular in detail below
The determination of conductor is described as a example by aluminium cable.
Such as prepare the cable meeting UL44.2010 standard 500kcmil;Conductor 1 selects copper conductor;500kcmil etc.
In 253mm2, 20 DEG C of D.C. resistances are 0.0709 Ω/km, 240mm in GB2The most closest;Due to 253mm2It is more than
240mm2, it is therefore desirable to increase filament diameter or radical, according to the formula of resistance, adjust monofilament or the quantity of monofilament, make
Regulation in resistor satisfied standard, thus select conductor 1 by the copper wire monofilament synnema of 22 a diameter of 0.495mm, 61
The equidirectional multiple strand of strands silk forms;Monofilament in conductor 1 uses multiple drawing machine to draw, and outlet die configuration scope is
0.492-0.50mm;Synnema uses bull strand winder bundle strand, 22 monofilament to use 8+14 or 1+7+14 arrangement, inlet wire
Mould configuration scope is between 2.62-2.75mm, and after synnema, external diameter is 2.60-2.65mm, and after bundle strand, monofilament elongation percentage is
10%-15%;Multiple strand uses 630 type frame winches stranded, and the 61 strands silks structure that tangles again is 1+6+12+18+24, and outermost layer saves
It is 180-220mm away from span of control.
Prepare the cable meeting UL44.2010 standard 600kcmil for another example;Conductor 1 aluminium conductor;600kcmil
Equal to 304mm2, 20 DEG C of D.C. resistances are 0.0967 Ω/km, and the most immediate in GB is 300mm2, according to 20 DEG C
D.C. resistance anti-derivation body string diameter and radical, select to use 2 class conductors, 60 monofilament to press 1+6+12+18+23 structure row
Arrange stranded;Using L2 or above aluminum bar extrusion to the aluminium conductor of 5.0-6.0mm, intensity is 70-100Mpa, then uses this aluminum
After bar wire drawing, filament strength is controlled at 120-160Mpa.
Particular embodiments described above, has been carried out purpose, technical scheme and the beneficial effect of patent of the present invention further
Describe in detail, be it should be understood that the above a kind of American Standard wind electric power generation cable and production technology are only the tool of the present invention
Body embodiment represents, and is not limited to the present invention, all within the spirit and principles in the present invention, that is done is any
Amendment, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (7)
1. the production technology of a wind electric power generation cable, it is characterised in that comprise the following steps:
Step one: determine that the construction of cable is followed successively by conductor (1), twining package tape (2), insulating barrier (3) from the inside to the outside and protects
Set (4);
Step 2: combine American Standard and GB determines conductor: according to American Standard UL44-2010 standard, the kcmil specified
Number is converted into mm2, it is determined as Xmm2;Then in GB GB3956-2008, select the most immediate mm2, it is determined as Ymm2,
Ymm is obtained according to GB GB3956-20082Lower conductor wire diameter of single wires and the radical range of choice;Mark further according to UL44-2010
20 DEG C of D.C. resistance Z under this kcmil number conductor of regulation in standard, by resistance formula R=ρ L/S, by aforementioned model
Enclosing the different monofilament of interior selection and this monofilament radical is increased or decreased makes to calculate the resistance value of correspondence, ρ is the list selected
Silk resistivity, L be 1000m, S be select monofilament total sectional area;
Step 3: using polyester-type non-woven fabrics outside around wrapping in conductor (1), as twining package tape (2), its rate of putting up is
25%-35%;
Step 4: the company's of employing sulfur double-layer coextrusion technique extrudes outward insulating barrier (3) and sheath (4) at twining package tape (2);
Insulating barrier (3) uses EPCV;Sheath (4) uses CPE;Described even sulfur double-layer coextrusion technique be insulating barrier (3),
Sheath (4) bilayer is extruded simultaneously, continuous vulcanization.
The production technology of a kind of wind electric power generation cable the most according to claim 1, it is characterised in that: described step
The thickness of the twining package tape (2) in three is 0.1-0.2mm, and width is 30-40mm, and longitudinal lapping is outside at conductor (1).
The production technology of a kind of wind electric power generation cable the most according to claim 1, it is characterised in that: described step
In company's sulfur double-layer coextrusion technique of four, design extrusion according to the Mooney viscosity of insulating barrier (3) and (4) two kinds of materials of sheath
Temperature, two rubber extruding machine body temperature are between 240 DEG C~450 DEG C, and extrusion glue is uniform, smooth, uses online derivometer
Detection cable eccentricity situation, speed of production controls between 7.5~8.8m/min, and steam pressure is set as (speed of production+1)
kg。
The production technology of a kind of wind electric power generation cable the most according to claim 3, it is characterised in that: described step
The insulating barrier (3) of four and the thickness of sheath (4) are respectively 2.5mm and 1.7mm.
The production technology of a kind of wind electric power generation cable the most according to claim 4, it is characterised in that: described step
In two, the monofilament in conductor (1) uses multiple drawing machine to draw, and outlet die configuration scope is 0.492-0.50mm;Bundle
Silk uses bull strand winder bundle strand, 22 monofilament to use 8+14 or 1+7+14 arrangement, inlet wire mould configuration scope to exist
Between 2.62-2.75mm, after synnema, external diameter is 2.60-2.65mm, and after bundle strand, monofilament elongation percentage is 10%-15%;Multiple strand is adopted
Stranded with 630 type frame winches, the 61 strands silks structure that tangles again is 1+6+12+18+24, and outermost layer pitch span of control is
180-220mm。
A kind of wind electric power generation cable the most according to claim 5, it is characterised in that: interior to be followed successively by outward conductor (1),
Twining package tape (2), insulating barrier (3) and sheath (4);Described conductor (1) is by the copper of 22 a diameter of 0.495mm
The equidirectional multiple strand of silk monofilament synnema, 61 strands silks forms;The thickness of described twining package tape (2) is 0.1-0.2mm, width
For 30-40mm, longitudinal lapping is outside at conductor (1);The thickness of described insulating barrier (3) and sheath (4) is respectively
2.5mm and 1.7mm.
A kind of wind electric power generation cable the most according to claim 6, it is characterised in that: interior to be followed successively by outward conductor (1),
Twining package tape (2), insulating barrier (3) and sheath (4);Described conductor (1) 2 class aluminium conductor, 1+6+12+18+23 pressed by 60 monofilament
Structural arrangement is stranded;The thickness of described twining package tape (2) is 0.1-0.2mm, and width is 30-40mm, and longitudinal lapping is being led
Body (1) is outside;The thickness of described insulating barrier (3) and sheath (4) is respectively 2.5mm and 1.7mm.
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CN105295301A (en) * | 2015-10-21 | 2016-02-03 | 安徽亚南电缆厂 | Producing method for high-temperature-resistant and ageing-resistant cable |
CN105719773A (en) * | 2016-02-04 | 2016-06-29 | 远东电缆有限公司 | Smart energy large-section locomotive electric wire production process |
CN106847388A (en) * | 2017-03-23 | 2017-06-13 | 河北华通线缆集团股份有限公司 | A kind of mixed conductor environment-friendly type wind energy cable and production technology |
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CN110781563B (en) * | 2019-09-25 | 2023-03-31 | 重庆泰山电缆有限公司 | Cable core section design method, conductor assembly, cable core and cable |
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CN112750558A (en) * | 2019-10-30 | 2021-05-04 | 广州番禺电缆集团有限公司 | New energy automobile anti-interference cable |
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