CN108962430A - A kind of heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire - Google Patents
A kind of heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire Download PDFInfo
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- CN108962430A CN108962430A CN201810796714.6A CN201810796714A CN108962430A CN 108962430 A CN108962430 A CN 108962430A CN 201810796714 A CN201810796714 A CN 201810796714A CN 108962430 A CN108962430 A CN 108962430A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/08—Several wires or the like stranded in the form of a rope
- H01B5/10—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/023—Alloys based on aluminium
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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
- H01B9/006—Constructional features relating to the conductors
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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
- H01B9/008—Power cables for overhead application
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Abstract
The invention discloses a kind of heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wires, it is characterized by comprising the twisted wires having positioned at middle part, the twisted wire is twisted by more nickel cobalt (alloy) lines, and heat-resisting aluminium alloy layer is respectively coated by outside every nickel cobalt (alloy) line, its heat-resisting aluminium alloy collectively formed is coated with nickel cobalt (alloy) twisted wire layer, the heat-resisting aluminium alloy is coated with nickel cobalt (alloy) twisted wire layer and is coated with heat-resisting trapezoidal aluminium alloy layer, and the heat-resisting trapezoidal aluminium alloy layer is coated with round heat-resisting aluminium alloy twisted layer.Structure of the invention design rationally, transmits the electric energy of identical capacity outside this structure, the outer diameter of heat-resisting wire reduces, and steel tower sets up expense and accordingly reduces, stringing is convenient, can reduce construction cost, and 30 ~ 50%, including line loss, annual appropriation can reduce by 30%, with good economic efficiency and social benefit.
Description
Technical field:
The present invention relates to the fields such as power transmission and distribution overhead transmission line increase-volume, transformation, relate generally to a kind of heat-resisting times of capacity gap
Type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire.
Background technique:
China Power is carrying out development with rapid changepl. never-ending changes and improvements, and generator installed capacity is in cumulative year after year, and transmission voltage is by height
Press to super-pressure 500kV and the above direction lift-rising.Remote Large Capacity HVDC Techniques reach its maturity, national high pressure internet
It is being formed, prefabricated stringing New Techniques gradually adopt, and the quality requirement of aerial condutor becomes more and more important.
Reform and opening-up is over 30 years, and from 1978 to 2016 year, Chinese generator capacity increases to 3,500,000,000 kW from 57,120,000 kW, every year
Increase by 11.4%, annual electricity generating capacity there are 256,500,000,000 kW to increase to 53414.8 hundred million kW, increases by 8.3% every year.The generator installation of China at present
Capacity and annual electricity generating capacity rank first in the world.
Even if in this way, greatlying restrict local economy there is also there is the problem of electricity is not used in many places in China
Development.To find out its cause, being primarily due to that line corridor is limited, and caused by wire transmission capacity is small, how to solve this problem is
It is crucial.
There are two types of methods for the increase-volume of existing transmission line of electricity: first is that increasing conductor cross-section；Second is that using heat-resisting wire.But it adopts
It taking and increases the existing steel tower of conductor cross-section requirement reinforcement, this will put into a large amount of former steel tower and build cost of dismantling and set new steel tower expense,
It most importantly takes over large area land resource for use, occupies the longer construction period.
Summary of the invention:
The object of the invention is to remedy the disadvantages of known techniques, provides a kind of heat-resisting times of capacity clearance type aluminium alloy packet
Nickel cobalt (alloy) core aluminium alloy aerial twisted wire can be used original steel tower and carry out mounting and installation, and construction cost is to change steel tower expense
More than half is reduced, the completion time of project is the one third for changing the steel tower time.
The present invention is achieved by the following technical solutions:
A kind of heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire, it is characterised in that: including
There is the twisted wire positioned at middle part, the twisted wire is twisted by more nickel cobalt (alloy) lines, and is respectively coated by outside every nickel cobalt (alloy) line
There is heat-resisting aluminium alloy layer, the heat-resisting aluminium alloy collectively formed is coated with nickel cobalt (alloy) twisted wire layer, the heat-resisting aluminium alloy packet
It is covered with nickel cobalt (alloy) twisted wire layer and is coated with heat-resisting trapezoidal aluminium alloy layer, the heat-resisting trapezoidal aluminium alloy layer is coated with round resistance to
Hot aluminium alloy twisted layer.
The above-mentioned twisted wire being twisted by more nickel cobalt (alloy) lines, nickel cobalt alloy material 4J36, i.e., nickel contains in alloy material
Amount 32%, iron content 63%, cobalt content 4%, copper content 0.5%, manganese content 0.4%, silicone content 0.02%, sulfur content
0.02%, phosphorus content 0.02%, carbon content 0.04%.
The every nickel cobalt (alloy) line is coated with heat-resisting aluminium alloy layer, is squeezed heat-resisting aluminium alloy by aluminium Baogang machine
Briquetting overlays on nickel cobalt (alloy) line, then forms one layer of close heat-resisting aluminium alloy layer by the wire drawing machine drawing of aluminium Baogang.
The heat-resistant aluminum alloy wire is by being prefabricated into trapezoidal more closing lays in heat-resisting aluminium alloy nickel coat cobalt alloy
On twisted wire layer, gap is formed between trapezoidal twisted wire layer and aluminium alloy nickel coat cobalt alloy twisted wire layer.The gap sets for stress transfer
Meter, makes conducting wire at stress (set up and use), and the power that aluminium alloy conductor should bear partly or entirely has been transferred to aluminium conjunction
Golden nickel coat cobalt alloy core, i.e. aluminium alloy nickel coat cobalt alloy core carry conducting wire whole or most stress.And clearance layer is filled
Thermally conductive ointment, thermally conductive ointment conduct heat and lubricating action, i.e., heat conduction and lubricating action between above-mentioned two twisted layer.
Heat-resisting aluminium alloy cladding nickel cobalt (alloy) layer, trapezoidal heat-resisting aluminium alloy twisted wire layer and the round heat-resisting aluminium alloy
In twisted wire layer, grade reaches 250 DEG C or more.Its conductivity be 60%IACS, current-carrying capacity be more than plain edition steel-cored aluminium strand 2~
It 2.5 times, is required for the heatproof more than solving, 0.1~0.3% zirconium and 0.05~0.1% is added using aluminium for aluminum alloy materials
Yttrium intermediate alloy, magnesium 0.05%, silicon 0.1%, other metals 0.5% are recrystallized into aluminium alloy conductor resistant to high temperature.
The invention has the advantages that
Structure of the invention design rationally, transmits the electric energy of identical capacity outside this structure, the outer diameter of heat-resisting wire reduces, steel tower
Erection expense is accordingly reduced, and stringing is convenient, can reduce construction cost, and 30~50%, including line loss, annual appropriation can be reduced
30%, with good economic efficiency and social benefit.
Detailed description of the invention:
Fig. 1 is the structural diagram of the present invention.
Specific embodiment:
Referring to attached drawing.
A kind of heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire, includes positioned at middle part
Twisted wire, the twisted wire are twisted by more nickel cobalt (alloy) lines 1, and heat-resisting aluminium is respectively coated by outside every nickel cobalt (alloy) line 1
Alloy-layer 2, the heat-resisting aluminium alloy collectively formed are coated with nickel cobalt (alloy) twisted wire layer 3, and the heat-resisting aluminium alloy is coated with nickel cobalt
Alloy twisted wire layer 3 is coated with heat-resisting trapezoidal aluminium alloy layer 4, and the heat-resisting trapezoidal aluminium alloy layer 4 is coated with round alumite
Alloy twisted layer 5.
The above-mentioned twisted wire 3 being twisted by more nickel cobalt (alloy) lines, nickel cobalt alloy material 4J36, i.e., nickel contains in alloy material
Amount 32%, iron content 63%, cobalt content 4%, copper content 0.5%, manganese content 0.4%, silicone content 0.02%, sulfur content
0.02%, phosphorus content 0.02%, carbon content 0.04%.
The every nickel cobalt (alloy) line 1 is coated with heat-resisting aluminium alloy layer 2, by aluminium Baogang machine by heat-resisting aluminium alloy
Extrusion cladding forms one layer of close heat-resisting aluminium alloy layer on nickel cobalt (alloy) line, then by the wire drawing machine drawing of aluminium Baogang.
The nickel cobalt (alloy) twisted wire is by being prefabricated into more trapezoidal closing lays in heat-resisting aluminium alloy nickel coat cobalt alloy
On twisted wire layer, gap is formed between trapezoidal twisted wire layer and aluminium alloy nickel coat cobalt alloy twisted wire layer.
It is heat-resisting trapezoidal aluminium alloy stranded conductor layer 4, the layer outside the nickel cobalt (alloy) twisted wire 1 that the heat-resisting aluminium alloy layer 2 coats
Heat-resistant aluminum alloy wire is by being prefabricated into trapezoidal more closing lays on heat-resisting aluminium alloy nickel coat cobalt alloy twisted wire layer 3, in ladder
Gap is formed between shape twisted wire layer and aluminium alloy nickel coat cobalt alloy twisted wire layer.
It is conduction oil between the heat-resisting trapezoidal aluminium alloy stranded conductor layer 4 and heat-resisting aluminium alloy cladding nickel cobalt (alloy) twisted layer 3
Cream.
Heat-resisting aluminium alloy cladding nickel cobalt (alloy) layer, trapezoidal heat-resisting aluminium alloy twisted wire layer and the round heat-resisting aluminium alloy
In twisted wire layer, 0.1~0.3% zirconium and 0.05~0.1% yttrium intermediate alloy, magnesium is added using aluminium in aluminum alloy materials
0.05%, silicon 0.1%, other metals 0.5%, is recrystallized into aluminium alloy conductor resistant to high temperature.
It is greatly improved since metals, the recrystallization temperatures enabled aluminum alloy to such as zirconium, yttrium being added in alloy conductor, the conducting wire of manufacture
Long-term operating temperature is increased to highest from 90 DEG C of plain conductor and works 250 DEG C or so, and current-carrying capacity is increased to 2~2.5 times, sees below
The lifting-line of table 1, twisted wire is twisted using nickel cobalt (alloy), and this metal hardly follows temperature change within the scope of magnetic temperature and grows
Degree mode changes, so being laid in overhead transmission line, arc sag is especially small, see the table below 2, in the insufficient situation of route headroom, makes
With heat-resistant aluminum alloy wire can effectively save route headroom, reduce line construction investment.So conducting wire rises especially suitable for electric current
Fall biggish section.Furthermore line bar is constant, needs to change the section of line increase-volume, route Bottle Neck Road, the narrow area in urban corridor, season
Property overload route, is applicable in this line.
The conductor temperature not of the same race of table 1 and current-carrying scale compare
The conducting wire sag value not of the same race of table 2 compares
Claims (6)
1. a kind of heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire, it is characterised in that: include
Twisted wire positioned at middle part, the twisted wire are twisted by more nickel cobalt (alloy) lines, and have been respectively coated by outside every nickel cobalt (alloy) line
Heat-resisting aluminium alloy layer, the heat-resisting aluminium alloy collectively formed are coated with nickel cobalt (alloy) twisted wire layer, the heat-resisting aluminium alloy cladding
There is nickel cobalt (alloy) twisted wire layer to be coated with heat-resisting trapezoidal aluminium alloy layer, the heat-resisting trapezoidal aluminium alloy layer is coated with round heat-resisting
Aluminium alloy twisted layer.
2. heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire according to claim 1,
Be characterized in that: the above-mentioned twisted wire being twisted by more nickel cobalt (alloy) lines, nickel cobalt alloy material 4J36, i.e., nickel contains in alloy material
Amount 32%, iron content 63%, cobalt content 4%, copper content 0.5%, manganese content 0.4%, silicone content 0.02%, sulfur content 0.02%, phosphorus content
0.02%, carbon content 0.04%.
3. heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire according to claim 1,
Be characterized in that: the every nickel cobalt (alloy) line is coated with heat-resisting aluminium alloy layer, by aluminium Baogang machine by heat-resisting aluminium alloy
Extrusion cladding forms one layer of close heat-resisting aluminium alloy layer on nickel cobalt (alloy) line, then by the wire drawing machine drawing of aluminium Baogang.
4. heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire according to claim 1,
Be characterized in that: the heat-resistant aluminum alloy wire is by being prefabricated into trapezoidal more closing lays in heat-resisting aluminium alloy nickel coat cobalt alloy
On twisted wire layer, gap is formed between trapezoidal twisted wire layer and aluminium alloy nickel coat cobalt alloy twisted wire layer.
5. heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire according to claim 1,
It is characterized in that: being conduction oil between the heat-resisting trapezoidal aluminium alloy stranded conductor layer and heat-resisting aluminium alloy cladding nickel cobalt (alloy) twisted layer
Cream.
6. heat-resisting times of capacity clearance type aluminium alloy nickel coat cobalt alloy core aluminium alloy aerial twisted wire according to claim 1,
Be characterized in that: heat-resisting aluminium alloy cladding nickel cobalt (alloy) layer, trapezoidal heat-resisting aluminium alloy twisted wire layer and the round alumite closes
In golden twisted wire layer, 0.1 ~ 0.3% zirconium and 0.05 ~ 0.1% yttrium intermediate alloy is added using aluminium in aluminum alloy materials, magnesium 0.05%,
Silicon 0.1%, other metals 0.5%, is recrystallized into aluminium alloy conductor resistant to high temperature.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113053584A (en) * | 2021-03-11 | 2021-06-29 | 昆明理工大学 | Nickel-cobalt alloy/aluminum alloy/copper alloy ultrahigh-temperature conductor and preparation method thereof |
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