CN215527331U - Non-magnetic steel core reinforced overhead conductor - Google Patents
Non-magnetic steel core reinforced overhead conductor Download PDFInfo
- Publication number
- CN215527331U CN215527331U CN202122042511.8U CN202122042511U CN215527331U CN 215527331 U CN215527331 U CN 215527331U CN 202122042511 U CN202122042511 U CN 202122042511U CN 215527331 U CN215527331 U CN 215527331U
- Authority
- CN
- China
- Prior art keywords
- core
- conductor
- layer
- reinforced
- wire
- 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.)
- Active
Links
Images
Abstract
The utility model provides a nonmagnetic steel core reinforced overhead conductor which comprises a supporting reinforced core, wherein the supporting reinforced core comprises at least one nonmagnetic steel wire, a conductor stranded layer is arranged outside the supporting reinforced core, the conductor stranded layer comprises at least one stranded layer, and each stranded layer is formed by stranding a plurality of metal single wires. According to the nonmagnetic steel core reinforced overhead conductor, the nonmagnetic steel wire is used as the supporting reinforced core and is combined with the conductor metal single wire to bear the mechanical load in the operation process of the conductor, the supporting reinforced core is the nonmagnetic steel wire, hysteresis loss cannot be caused in the alternating electric field environment, and the electric energy loss in the transmission process of a power transmission line is reduced.
Description
Technical Field
The utility model relates to the technical field of overhead conductors, in particular to a nonmagnetic steel core reinforced overhead conductor.
Background
The steel-cored aluminum strand is mainly used for power transmission all over the world, an overhead transmission line transmits electric energy from a power generation end to a power receiving end through a wire, and a part of energy is inevitably consumed while the electric energy is transmitted. The reinforced core of the steel-cored aluminum strand is mainly formed by drawing carbon steel and then galvanizing, the carbon steel is a magnetic material, hysteresis loss is generated in an alternating electric field environment, and electric energy loss of a power transmission line is increased. The 'double carbon' target is upgraded to the national strategy, a novel power transmission network is constructed, the electric energy loss of a power transmission line is reduced, and the method is an action scheme of technicians in the power industry at present. In order to reduce the electric energy loss of the transmission line, the electric energy loss is improved by increasing the voltage and reducing the current transmission density of the conductor section in the electric power transmission system, but the intrinsic hysteresis loss of the steel-cored aluminum stranded wire is not avoided. The all-aluminum alloy stranded wires and the aluminum alloy core aluminum stranded wires made of non-magnetic materials are applied, but the all-aluminum alloy stranded wires and the aluminum alloy core aluminum stranded wires are insufficient in the aspects of tensile strength, operation sag and the like, and the application of the all-aluminum alloy stranded wires and the aluminum alloy core aluminum stranded wires in power line engineering with large length, large span, high fall and the like is limited.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides the non-magnetic steel core reinforced overhead conductor, wherein the non-magnetic steel wire is adopted as the reinforcing core of the conductor, the structure is stable, the performance is reliable, and the path hysteresis loss of the conductor is reduced.
The technical scheme adopted by the utility model is as follows:
a non-magnetic steel core reinforced overhead conductor, wherein: including supporting the enhancement core, support the enhancement core and include an at least non-magnetic steel wire, support and strengthen the core and set up the conductor stranding layer outward, the conductor stranding layer includes at least one deck stranding layer, every the stranding layer is formed by the transposition of many metal single lines.
Preferably, the nonmagnetic steel core reinforces the overhead conductor, wherein: the nonmagnetic steel wire is an austenitic stainless steel wire, an austenitic aluminum-clad stainless steel wire or an austenitic galvanized steel wire.
Preferably, the nonmagnetic steel core reinforces the overhead conductor, wherein: the metal single wire is one of a copper single wire, an aluminum single wire or an aluminum alloy single wire.
Preferably, the nonmagnetic steel core reinforces the overhead conductor, wherein: the cross section of the metal single wire is in one of a circular shape, a Z shape or a trapezoidal shape.
The utility model has the advantages that: according to the nonmagnetic steel core reinforced overhead conductor, the nonmagnetic steel wire is used as the supporting reinforced core and is combined with the conductor metal single wire to bear the mechanical load in the operation process of the conductor, the supporting reinforced core is the nonmagnetic steel wire, hysteresis loss cannot be caused in the alternating electric field environment, and the electric energy loss in the transmission process of a power transmission line is reduced.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 3 is a schematic structural diagram of embodiment 3 of the present invention.
Fig. 4 is a schematic structural diagram of embodiment 4 of the present invention.
Fig. 5 is a schematic structural diagram of embodiment 5 of the present invention.
Fig. 6 is a schematic structural diagram of embodiment 6 of the present invention.
Detailed Description
The utility model is further illustrated by the following specific figures and examples.
Example 1
As shown in fig. 1, the present embodiment provides a nonmagnetic steel-core-reinforced overhead conductor, which is a supporting reinforcing core 1 of an inner core, the supporting reinforcing core 1 of the inner core is composed of an austenitic steel wire 1-1, the austenitic steel wire 1-1 is an austenitic stainless steel wire, a conductor strand layer 2 is wound outside the supporting reinforcing core 1, the conductor strand layer 2 comprises a first strand layer 21 and a second strand layer 22, the second strand layer 22 is arranged on the outer surface of the supporting reinforcing core 1, and the first strand layer 21 is arranged on the outer surface of the second strand layer 22 and forms a circumference; the first stranding layer 21 is formed by stranding 12 round metal copper single wires 2-1, and the second stranding layer 22 is formed by stranding 6 round metal copper single wires 2-2.
Example 2
As shown in fig. 2, the present embodiment provides a non-magnetic steel core reinforced overhead conductor, which is a supporting reinforced core 1 of an inner core, the supporting reinforced core 1 of the inner core comprises 7 austenitic aluminum-clad stainless steel wires 1-1, a conductor twisted layer 2 is wound outside the supporting reinforced core 1, the conductor twisted layer 2 comprises a first twisted layer 21, a second twisted layer 22 and a third twisted layer 23, the third twisted layer 23 is arranged on the outer surface of the supporting reinforced core 1, the second twisted layer 22 is arranged on the outer surface of the third twisted layer 23, and the first twisted layer 21 is arranged on the outer surface of the second twisted layer 22 and forms a circumference; the first stranding layer 21 is formed by stranding 24 identical round metal aluminum single wires 2-1, and the second stranding layer 22 is formed by stranding 18 identical round metal aluminum alloy single wires 2-2; the third twisted layer 23 is formed by twisting 12 identical round metal aluminum single wires 2-3.
Example 3
As shown in fig. 3, the present embodiment provides a non-magnetic steel core reinforced overhead conductor, which is a supporting reinforcing core 1 of an inner core, the supporting reinforcing core 1 of the inner core comprises 19 austenitic aluminum-clad stainless steel wires 1-1, a conductor strand layer 2 is wound outside the supporting reinforcing core 1, the conductor strand layer 2 comprises a first strand layer 21, a second strand layer 22 and a third strand layer 23, the third strand layer 23 is arranged on the outer surface of the supporting reinforcing core 1, the second strand layer 22 is arranged on the outer surface of the third strand layer 23, and the first strand layer 21 is arranged on the outer surface of the second strand layer 22 and forms a circumference; the first stranded layer 21 is formed by twisting 30 round metal aluminum single wires 2-1, and the second stranded layer 22 is formed by twisting 24 round metal aluminum alloy single wires 2-2; the third stranded layer 23 is formed by stranding 18 round metal aluminum alloy single wires 2-3.
Example 4
As shown in fig. 4, the present embodiment provides a nonmagnetic steel-core-reinforced overhead conductor, which is a supporting reinforcing core 1 of an inner core, the supporting reinforcing core 1 of the inner core comprises 7 austenitic stainless steel wires 1-1, a conductor strand layer 2 is wound outside the supporting reinforcing core 1, the conductor strand layer 2 comprises a first strand layer 21 and a second strand layer 22, the second strand layer 22 is arranged on the outer surface of the supporting reinforcing core 1, and the first strand layer 21 is arranged on the outer surface of the second strand layer 22 and forms a circumference; the first twisted layer 21 is formed by twisting 15S-shaped aluminum alloy single wires 2-1 in the same shape, and the second twisted layer 22 is formed by twisting 9Z-shaped aluminum alloy single wires 2-2 in the same shape.
Example 5
As shown in fig. 5, the present embodiment provides a nonmagnetic steel-core-reinforced overhead conductor, which is a supporting reinforcing core 1 of an inner core, the supporting reinforcing core 1 of the inner core comprises 7 austenite galvanized steel wires 1-1, a conductor strand layer 2 is wound outside the supporting reinforcing core 1, the conductor strand layer 2 comprises a first strand layer 21 and a second strand layer 22, the second strand layer 22 is arranged on the outer surface of the supporting reinforcing core 1, and the first strand layer 21 is arranged on the outer surface of the second strand layer 22 and forms a circumference; the first twisted layer 21 is formed by twisting 15 trapezoidal aluminum alloy single lines 2-1 with the same shape, and the second twisted layer 22 is formed by twisting 9 trapezoidal aluminum alloy single lines 2-2 with the same shape.
Example 6
As shown in fig. 6, the present embodiment provides a nonmagnetic steel-core-reinforced overhead conductor, which is a supporting reinforcing core 1 of an inner core, the supporting reinforcing core 1 of the inner core is composed of 19 austenitic stainless steel wires 1-1, a conductor twisted layer 2 is wound outside the supporting reinforcing core 1, the conductor twisted layer 2 is composed of a first twisted layer 21, a second twisted layer 22 and a third twisted layer 23, the third twisted layer 23 is arranged on the outer surface of the supporting reinforcing core 1, the second twisted layer 22 is arranged on the outer surface of the third twisted layer 23, and the first twisted layer 21 is arranged on the outer surface of the second twisted layer 22 and forms a circumference; the first twisted layer 21 is formed by twisting 24S-shaped aluminum single wires 2-1 with the same shape, and the second twisted layer 22 is formed by twisting 15 trapezoidal aluminum single wires 2-2 with the same shape; the third twisted layer 23 is formed by twisting trapezoidal aluminum single wires 2-3 with the same shape as the aluminum single wires 11.
According to the nonmagnetic steel core reinforced overhead conductor, the nonmagnetic steel wire is used as the supporting reinforced core and is combined with the conductor metal single wire to bear the mechanical load in the operation process of the conductor, the supporting reinforced core is the nonmagnetic steel wire, hysteresis loss cannot be caused in the alternating electric field environment, and the electric energy loss in the transmission process of a power transmission line is reduced.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (4)
1. The utility model provides a non-magnetism steel core strengthens overhead conductor which characterized in that: including supporting reinforced core (1), support reinforced core (1) and include at least a non-magnetic steel wire (1-1), support reinforced core (1) and set up conductor stranding layer (2) outward, conductor stranding layer (2) include at least one deck stranding layer, every the stranding layer is formed by the transposition of many metal single lines.
2. The non-magnetic steel core reinforced overhead conductor according to claim 1, wherein: the nonmagnetic steel wire (1-1) is an austenitic stainless steel wire, an austenitic aluminum-clad stainless steel wire or an austenitic galvanized steel wire.
3. The non-magnetic steel core reinforced overhead conductor according to claim 1, wherein: the metal single wire is one of a copper single wire, an aluminum single wire or an aluminum alloy single wire.
4. The non-magnetic steel core reinforced overhead conductor according to claim 1, wherein: the cross section of the metal single wire is in one of a circular shape, a Z shape or a trapezoidal shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122042511.8U CN215527331U (en) | 2021-08-27 | 2021-08-27 | Non-magnetic steel core reinforced overhead conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122042511.8U CN215527331U (en) | 2021-08-27 | 2021-08-27 | Non-magnetic steel core reinforced overhead conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215527331U true CN215527331U (en) | 2022-01-14 |
Family
ID=79794187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122042511.8U Active CN215527331U (en) | 2021-08-27 | 2021-08-27 | Non-magnetic steel core reinforced overhead conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215527331U (en) |
-
2021
- 2021-08-27 CN CN202122042511.8U patent/CN215527331U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2386183C1 (en) | Composite bearing core for external current-conducting strands of overhead high-voltage power transmission line wires and method of its production | |
| EP2333788A2 (en) | High frequency electric wire | |
| CN215527331U (en) | Non-magnetic steel core reinforced overhead conductor | |
| CN101174490A (en) | Low-sag soft aluminum conducting wire | |
| RU171205U1 (en) | Bearing reinforced cable of the contact network of the railway | |
| RU119514U1 (en) | UNINSULATED REINFORCED WIRE FOR ELECTRIC TRANSMISSION AIR LINES (OPTIONS) | |
| US7604860B2 (en) | High tensile nonmagnetic stainless steel wire for overhead electric conductor, low loss overhead electric conductor using the wire, and method of manufacturing the wire and overhead electric conductor | |
| CN108615586B (en) | Production method of sparse-wound expanded-diameter conductor | |
| RU119513U1 (en) | STEEL WIRE FOR ELECTRIC TRANSMISSION AIR LINE (OPTIONS) | |
| CN210606715U (en) | Novel super corrosion-resistant overhead transmission conductor | |
| CN105374462A (en) | Self-bearing coaxial cable | |
| RU202337U1 (en) | Bare wire | |
| CN216487463U (en) | Overhead conductor with composite reinforced core | |
| CN204991175U (en) | Well intensity aluminium alloy stranded conductor air wire | |
| CN217468010U (en) | High-conductivity and high-strength aluminum alloy stranded wire | |
| CN208985729U (en) | Middle strength aluminium alloy twisted wire aerial condutor | |
| CN217767880U (en) | Low-relaxation clearance type wire | |
| CN202042203U (en) | Aerial cable with strengthening core | |
| CN217640773U (en) | Low-eddy current power cable | |
| CN216623857U (en) | Extra-strong steel core high-strength heat-resistant aluminum alloy stranded wire | |
| CN217086192U (en) | Bending-resistant high-frequency signal transmission stable coaxial cable | |
| CN218069384U (en) | Cable conductor with stranded strengthening rib | |
| CN206040228U (en) | Low -loss anti -wind electric power transmission conducting wire | |
| CN215770615U (en) | Heat-resistant aluminum alloy wire with composite reinforced core | |
| CN218159763U (en) | High-strength water-blocking dragging photoelectric composite cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |