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CN201036070Y - Composite material overhead conductor - Google Patents

Composite material overhead conductor Download PDF

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Publication number
CN201036070Y
CN201036070Y CNU2007200373055U CN200720037305U CN201036070Y CN 201036070 Y CN201036070 Y CN 201036070Y CN U2007200373055 U CNU2007200373055 U CN U2007200373055U CN 200720037305 U CN200720037305 U CN 200720037305U CN 201036070 Y CN201036070 Y CN 201036070Y
Authority
CN
China
Prior art keywords
transmission line
composite material
conductor
transmission
line layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2007200373055U
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Chinese (zh)
Inventor
叶胜平
项建新
杨怀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Huaneng Electric Cable Co Ltd
Original Assignee
Wuxi Huaneng Electric Cable Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuxi Huaneng Electric Cable Co Ltd filed Critical Wuxi Huaneng Electric Cable Co Ltd
Priority to CNU2007200373055U priority Critical patent/CN201036070Y/en
Application granted granted Critical
Publication of CN201036070Y publication Critical patent/CN201036070Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a power transmission facility, in particular relates to a power transmission conductor used in high voltage power transmission lines. According to the technical proposal provided in the utility model, a plurality of transmission wire layers are wrapped outside a core wire, each transmission wire layer has a cylinder shape formed by a plurality of transmission wires intertwisted tightly, and the cross section of each transmission wire takes the shape of a segment of circular ring, or the two lateral edges of the cross section of each transmission wire take a S shape or a Z shape. The high performance composite type overhead conductor of the utility model has the advantages of light weight, high strength, high temperature resistance, corrosion resistance, little line loss, small arc sag, and environment affinity, can satisfy effectively the more strict demands of energy saving, safe, environment friendly, and economic in the filed of power transmission and transformation, and thereby being an ideal product that can substitute the traditional steel-core aluminium conductor, an aluminium covered steel conductor and an aluminium alloy conductor.

Description

Composite material molded lines aerial condutor
Technical field
The utility model relates to power transmission facility, specifically a kind of electric power transfer lead that is used on the ultra-high-tension power transmission line.
Background technology
Along with the high speed development of Chinese national economy, to the also growth promptly of demand of electric power.For solving the difficult problem in short supply of electric power, China newly built large quantities of generating sets of having gone into operation in recent years, and existing transmission line can't bear the heavy load, can't transfer out increasing electric power newly.In addition, in short supply along with more and more stricter to environmental protection requirement with land resource causes the under-capacity operation of circuit corridor.Under existing situation, open up new circuit corridor, new transmission tower be installed and the transmission of electricity electric wire is more and more difficult.In order further to improve circuit conveying capacity and existing line corridor utilance, the relevant scientific and technical personnel in various countries are making great efforts to explore the novel electric power transfer wire always.
Summary of the invention
The purpose of this utility model is: a kind of composite material molded lines aerial condutor with high current-carrying, high strength, low line loss, in light weight, characteristics such as coefficient of linear expansion is little, smooth surface, air resistance coefficient are little, corrosion-resistant is provided.
The technical scheme that provides according to the utility model, coated outside several layers transmission line layer at heart yearn, each transmission line layer closely is twisted into cylindric by numerous transfer wires, every transfer wire cross section is the dual-side " S " or " Z " shape in one section annulus or its cross section.
Every transfer wire direction of lay unanimity in each transmission line layer, and the transfer wire in each transmission line layer all becomes the angle of 5~20 degree with heart yearn.Transmission line layer has 2~4 layers of outside that is wrapped in heart yearn.Adjacent its transfer wire direction of lay of two transmission line layer is opposite.Core line diameter is 5.00mm~15.00mm.The cross-sectional area of transfer wire is 10mm 2-30mm 2
Heart yearn is made by carbon element and glass fiber material.
The utlity model has following characteristics:
1. the thermal coefficient of expansion (1.6~2.8 * 10-6/ ℃) as the central composite material core wire of strengthening is little, only is 1/7 of steel core (11.5~23.0 * 10-6/ ℃), and the sag of composite material core aluminum conductor varies with temperature minimum under the operational environment of the same terms.
2. the heart yearn tensile strength of carbon/glass fibre is 2 times of carbon steel core (1450MPa) intensity, replaces steel core can improve the tensile strength of lead with it.
3. the density of heart yearn is between 1.6~2.0g/cm3, only is 1/4 of steel.The heart yearn made from composite material replaces steel core can reduce the deadweight of lead.
4. the aluminum steel of transmission usefulness adopts specific aging technique to handle the aluminum steel conductance and can bring up to 63.5%IACS from 61%IACS.
5. the heart yearn of composite core is a nonferromugnetic material, and when lead does not have magnetic hysteresis loss and eddy current loss when exchanging, to compare its AC resistance littler with the same structure steel reinforced aluminium conductor.
6. adopt molded lines stranded, compact conformation, the activity coefficient height is with compare its current-carrying cross section with the diameter steel core aluminum stranded wire bigger.
7. smooth surface can reduce corona loss, electromagnetic radiation, the lead vibrations under the high voltage field intensity and wave frequency.Can improve power delivery capabilities, antijamming capability, the anti-ice-snow ability of transmission line and increase the service life.
8. construction method is identical with traditional lead treatment technology.
That high-performance composite materials molded lines aerial condutor of the present utility model has is in light weight, intensity is high, high temperature resistant, corrosion-resistant, line loss is low, sag is little, with advantages such as environment is affine, satisfy effectively that the power transmission and transformation field is energy-conservation, the requirements at the higher level of safety, environmental protection and economy, be the desirable premium quality product that present electric power power transmission and transformation system can replace conventional steel core aluminum conductor, aluminium Baogang lead and aluminium alloy conductor.Can replace traditional aluminium steel conductor, aluminium Baogang lead, aluminium alloy conductor and realize the upgrading of incumbent transmission circuit, thereby avoid the mounting cost height, problem such as time-consuming; And can reduce the influence of new tower and new line passage construction, and can improve the fail safe and the reliability of circuit operation environment.
Description of drawings
Fig. 1 is the overall structure schematic diagram of embodiment 1 of the present utility model.
Fig. 2 is Fig. 1 cross-sectional view.
Fig. 3 is the overall structure schematic diagram of embodiment 2 of the present utility model.
Fig. 4 is Fig. 3 cross-sectional view.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
Embodiment 1
Composite material molded lines aerial condutor of the present utility model, as shown in Figure 1, coated outside several layers transmission line layer 2 at heart yearn 1, each transmission line layer 2 closely is twisted into cylindric by numerous transfer wire 3, the dual-side in every transfer wire 3 cross sections is " S " or " Z " shape, every transfer wire 3 direction of lay unanimities in each transmission line layer 2, and transfer wire 3 all is 5~20 angles of spending with heart yearn 1 in each transmission line layer 2.Transmission line layer 2 has 2~4 layers of outside that is wrapped in heart yearn 1, and adjacent two transmission line layer, 2 its transfer wire 3 direction of lays are opposite, and heart yearn 1 diameter is 5.00mm~15.00mm, and the cross-sectional area of transfer wire 3 is 10mm 2-30mm 2, heart yearn 1 is made by carbon fiber and glass fiber material.
Embodiment 2
High-performance composite materials molded lines aerial condutor of the present utility model, as shown in Figure 2, coated outside several layers transmission line layer 2 at heart yearn 1, each transmission line layer 2 closely is twisted into cylindric by numerous transfer wire 3, every transfer wire 3 cross sections are one section annulus, every transfer wire 3 direction of lay unanimities in each transmission line layer 2, and transfer wire 3 all is 5~20 angles of spending with heart yearn 1 in each transmission line layer 2.Transmission line layer 2 has 2~4 layers of outside that is wrapped in heart yearn 1, and adjacent two transmission line layer, 2 its transfer wire 3 direction of lays are opposite, and heart yearn 1 diameter is 5.00mm~15.00mm, and the cross-sectional area of transfer wire 3 is 10mm 2-30mm 2, heart yearn 1 is made by carbon fiber and glass fiber material.
The utility model can make by the following method:
1, the manufacture of composite core
Composite core is by formed by extrusion and tension technology the fibers such as continuous carbon/glass of impregnating resin adhesive to be pulled out through heated mould, and then resin is further solidified prepare by heating chamber and have the high strength fiber material composite core of enhancing continuously, the diameter of plug is within the 5.00mm-15.00mm scope.
2, the manufacture of conductive aluminum stratotype line
The two kinds of mode of production: a, cold drawing method are adopted in the moulding of conductive aluminum stratotype line; B, hot extrusion method.The cold drawing method is by several roads mould drawing and forming with the aluminium bar.Hot extrusion method is the aluminium bar to be warmed to 400 ℃~480 ℃ carry out extrusion modling by mould.Aluminium molded lines monofilament sectional area is controlled at 10mm 2-30mm 2Between the scope.
3, the Ageing Treatment of conductive aluminum stratotype line
Receipts are put into aging furnace around the aluminium molded lines to iron pan carry out specific aging technique processing, the aging furnace temperature is between 260 ℃~500 ℃ scopes, and the aluminum steel conductance can be brought up to more than the 63.5IACS from 61%IACS after the Ageing Treatment.
4, high-performance composite materials molded lines aerial condutor strand system mode
The stranded layer 2-4 aluminum steel of spiral on composite core, aluminum steel and composite core central axis form the angle of 5 degree~20 degree.The stranded requirement that meets domestic and international relevant criterion of this lead aluminium lamination.
5, the take-up of high-performance composite materials molded lines aerial condutor
Finished product high-performance composite materials molded lines aerial condutor is wound on the I-shaped dish.This lead packing meets country and international relevant criterion requirement.
With the heart yearn 1 with the composite material of heat curing-type modified epoxy formed by extrusion and tension making reinforcement usefulness such as carbon fiber, glass fibre.Its two, be will transmission usefulness the aluminum steel pultrusion become " Z " shape or one section annulus (claiming arch again) molded lines, carry out after the annealing in process stranded to composite core.
Use this lead can not only improve the transmission power of circuit greatly, reduce the circuit corridor, save operating cost, can effectively utilize existing transmission tower to carry out the dilatation of circuit.Use this lead can strengthen the spacing of tower bar, reduce the quantity of tower bar the construction of new line; To the dilatation of existing line, can use ready-made shaft tower.Therefore, save the construction and the site operation expense of tower bar greatly, can reduce the construction cost of circuit greatly.

Claims (7)

1. composite material molded lines aerial condutor, it is characterized in that: in the coated outside several layers transmission line layer (2) of heart yearn (1), each transmission line layer (2) closely is twisted into cylindric by numerous transfer wire (3), the dual-side that every transfer wire (3) cross section is one section annulus or its cross section is " S " or " Z " shape.
2. composite material molded lines aerial condutor according to claim 1, it is characterized in that: every transfer wire (3) the direction of lay unanimity in each transmission line layer (2), and the transfer wire (3) in each transmission line layer (2) all is the angle of 5~20 degree with heart yearn (1).
3. composite material molded lines aerial condutor according to claim 1 is characterized in that: transmission line layer (2) has 2~4 layers of outside that is wrapped in heart yearn (1).
4. composite material molded lines aerial condutor according to claim 1 is characterized in that: adjacent its transfer wires of two transmission line layer (2) (3) direction of lay is opposite.
5. composite material molded lines aerial condutor according to claim 1 is characterized in that: heart yearn (1) diameter is 5.00mm~15.00mm.
6. composite material molded lines aerial condutor according to claim 1 is characterized in that: the cross-sectional area of transfer wire (3) is 10mm 2-30mm 2
7. composite material molded lines aerial condutor according to claim 1 is characterized in that: heart yearn (1) is made by carbon element and glass fiber material.
CNU2007200373055U 2007-04-30 2007-04-30 Composite material overhead conductor Expired - Fee Related CN201036070Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200373055U CN201036070Y (en) 2007-04-30 2007-04-30 Composite material overhead conductor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200373055U CN201036070Y (en) 2007-04-30 2007-04-30 Composite material overhead conductor

Publications (1)

Publication Number Publication Date
CN201036070Y true CN201036070Y (en) 2008-03-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007200373055U Expired - Fee Related CN201036070Y (en) 2007-04-30 2007-04-30 Composite material overhead conductor

Country Status (1)

Country Link
CN (1) CN201036070Y (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101783213A (en) * 2010-02-10 2010-07-21 铁岭大元电缆有限公司 Method for manufacturing small-pitch aluminum stranded wire
CN102360629A (en) * 2011-09-23 2012-02-22 湖南金龙电缆有限公司 Manufacturing process of high-capacity energy-saving type overhead conductor
CN102867586A (en) * 2011-07-04 2013-01-09 尼克桑斯公司 Corrosion resistant fireproof electric cable
CN105355341A (en) * 2015-12-04 2016-02-24 北京玻钢院复合材料有限公司 Solid core rod, insulator and manufacturing method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101783213A (en) * 2010-02-10 2010-07-21 铁岭大元电缆有限公司 Method for manufacturing small-pitch aluminum stranded wire
CN101783213B (en) * 2010-02-10 2011-07-06 铁岭大元电缆有限公司 Method for manufacturing small-pitch aluminum stranded wire
CN102867586A (en) * 2011-07-04 2013-01-09 尼克桑斯公司 Corrosion resistant fireproof electric cable
CN102867586B (en) * 2011-07-04 2018-01-05 尼克桑斯公司 Corrosion resistant fireproof electric cable
CN102360629A (en) * 2011-09-23 2012-02-22 湖南金龙电缆有限公司 Manufacturing process of high-capacity energy-saving type overhead conductor
CN105355341A (en) * 2015-12-04 2016-02-24 北京玻钢院复合材料有限公司 Solid core rod, insulator and manufacturing method
CN105355341B (en) * 2015-12-04 2017-01-11 北京玻钢院复合材料有限公司 Solid core rod, insulator and manufacturing method

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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: 20080312

Termination date: 20150430

EXPY Termination of patent right or utility model