CN203456109U - A high-strength aluminum alloy wire structure for +/-800V ultrahigh-voltage DC large spanning - Google Patents
A high-strength aluminum alloy wire structure for +/-800V ultrahigh-voltage DC large spanning Download PDFInfo
- Publication number
- CN203456109U CN203456109U CN201320589452.9U CN201320589452U CN203456109U CN 203456109 U CN203456109 U CN 203456109U CN 201320589452 U CN201320589452 U CN 201320589452U CN 203456109 U CN203456109 U CN 203456109U
- Authority
- CN
- China
- Prior art keywords
- steel core
- wires
- steel
- aluminum alloy
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- H01B5/102—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material stranded around a high tensile strength core
- H01B5/104—Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material stranded around a high tensile strength core composed of metallic wires, e.g. steel wires
-
- 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
Landscapes
- Conductive Materials (AREA)
Abstract
The utility model discloses a high-strength aluminum alloy wire structure for +/-800V ultrahigh-voltage DC large spanning. The center of the high-strength aluminum alloy wire structure is a first steel-core wire. Six second steel-core wires are arranged around the first steel-core wire. Twelve third steel-core wires are arranged around the second steel-core wires. Eighteen fourth steel-core wires are arranged around the third steel-core wires. Eighteen first aluminum alloy wires are arranged around the fourth steel-core wires. Twenty four second aluminum alloy wires are arranged around the first aluminum alloy wires. Thirty third aluminum alloy wires are arranged around the second aluminum alloy wires. The utility model achieves a wire used in +/-800V ultrahigh-voltage DC line large spanning engineering, wherein the wire satisfies the current flowing requirements under different operating conditions and has good electrical, mechanical, and economical performance.
Description
Technical field
The utility model relates to a kind of conductor structure of transmission current, the large leap conductor structure of particularly ± 800kV UHV transmission line.
Background technology
Along with socioeconomic fast development, to the demand of electricity consumption also rapid growth.But primary energy skewness and far away apart from load center, passway for transmitting electricity land used is more and more nervous.In order to address the above problem, improve transmission line capability, build the more transmission line of voltage levels and for long distance power transmission, will be a kind of new solution as backbone network.
The extra-heavy steel core high strength alumin ium alloy wire of the maximum specification of domestic built superhigh pressure large span power transmission line applications is KTACSR/EST-720/300 at present, its structure is 40/4.8mm+37/3.2mm, this wire is imported product, the domestic extra-heavy steel core high strength alumin ium alloy wire of the maximum specification of application is AACSR/EST-640/290, and its structure is 42/4.4mm+37/3.14mm.The extra-heavy steel core high strength alumin ium alloy wire of the maximum specification of domestic built ultra high voltage large span power transmission line applications is AACSR/EST-720/320 at present, and its structure is 42/4.66mm+37/3.33mm.
Although extra-heavy steel core high strength alumin ium alloy twisted wire AACSR/EST-720/320 can meet the requirement of large leap mechanical property, but ampacity cannot meet the requirement of ice melting current under extreme climate, and reach 8000MW and when above, the conductive section of crossing over greatly wire is poor with the conductive section matching of general landline at transmission capacity.。
Therefore in the situation that circuit transmission capacity, electromagnetic environment and economic benefit require day by day to improve, be necessary to develop the more outstanding conductor structure of a kind of each side.
Utility model content
The wire form of the large overhead crossing engineering of be applied to ± 800kV UHVDC Transmission Lines that the technical problem that the utility model solves is to provide a kind of, meets requirement through-flow under different operating modes, and has good electric, machinery and economic performance.
The utility model is for reaching above-mentioned purpose, the technical way adopting is: a kind of ± large leap of 800kV extra-high voltage direct-current high strength alumin ium alloy conductor structure, center is 1 the first steel core wire, this the first steel core wire periphery is around 6 the second steel core wires are set, this the second steel core wire periphery is around arranging 12 the 3rd steel core wires, and the 3rd steel core wire periphery is around 18 the 4th steel core wires are set; The 4th steel core wire periphery is around 18 the first aluminium alloy conductors are set, and this first aluminium alloy conductor periphery is around arranging 24 the second aluminium alloy conductors, and this second aluminium alloy conductor periphery is around 30 3 Al alloy wires are set; Above-mentioned first, second, third and fourth steel core diameter of wire is 2.86mm, and above-mentioned first, second and third aluminium alloy conductor diameter is 4mm.This solid conductor length is 2800m.
This first, second, third and fourth steel core wire is G4A steel core.
This first, second and third aluminium alloy conductor is LHA1 aluminium alloy conductor
The beneficial effects of the utility model are as follows.
A, steel wire are 37 strands, have pliability, and its fatigue properties and antivibration characteristic are more excellent, have good mechanical strength.
B, total pull-off force more can be guaranteed, and draw anharmonic ratio large.
C, total cross section reach 1142.48mm2, and external diameter reaches 44.02mm.
D, aluminium cross section are large, and D.C. resistance is less, and electric energy loss is less.
Accompanying drawing explanation
Fig. 1 is cross-sectional view of the present utility model.
Embodiment
Refer to shown in Fig. 1, the utility model is a kind of ± the large leap of 800kV extra-high voltage direct-current high strength alumin ium alloy conductor structure, center is 1 the first steel core wire 1, this the first steel core wire 1 periphery is around 6 the second steel core wires 2 are set, these the second steel core wire 2 peripheries are around 12 the 3rd steel core wire 3, the three steel core wire 3 peripheries being set around 18 the 4th steel core wires 4 are set; The 4th steel core wire 4 peripheries are around 18 the first aluminium alloy conductors 5 are set, and these the first aluminium alloy conductor 5 peripheries are around arranging 24 the second aluminium alloy conductors 6, and these the second aluminium alloy conductor 6 peripheries are around 30 3 Al alloy wires 7 are set; Above-mentioned first, second, third and fourth steel core diameter of wire is 2.86mm, and above-mentioned first, second and third aluminium alloy conductor diameter is 4mm.This solid conductor length is 2800m.
Structure of the present utility model is conducting base (aluminium alloy conductor) and strengthening core (steel core wire) two large divisions, has effectively solved the meet transmission capacity of large cross line to wire, meets electromagnetic environment impact, has good requirement of mechanical strength.High-strength aluminum alloy conductance 52.5%IACS-53%IACS, intensity reaches 295 MPa-325MPa.
Conductor structure is defined as 72/4.00mm+37/2.86mm.Strengthening core part is comprised of 37 strands of steel core wires (G4A), and forms layer-twisted type structure; Current-carrying part is comprised of 72 strands of aluminium alloy conductors (LHA1), is centered around the outside of strengthening core part, and 72 strands of high-strength aluminum alloy lines form layer-twisted type structure in the outside of strengthening core part.
Claims (4)
1. the large leap of one kind ± 800kV extra-high voltage direct-current high strength alumin ium alloy conductor structure, it is characterized in that, center is 1 the first steel core wire, this the first steel core wire periphery is around 6 the second steel core wires are set, this the second steel core wire periphery is around arranging 12 the 3rd steel core wires, and the 3rd steel core wire periphery is around 18 the 4th steel core wires are set;
The 4th steel core wire periphery is around 18 the first aluminium alloy conductors are set, and this first aluminium alloy conductor periphery is around arranging 24 the second aluminium alloy conductors, and this second aluminium alloy conductor periphery is around 30 3 Al alloy wires are set;
Above-mentioned first, second, third and fourth steel core diameter of wire is 2.86mm, and above-mentioned first, second and third aluminium alloy conductor diameter is 4mm.
2. as claimed in claim 1 ± large the leap of 800kV extra-high voltage direct-current high strength alumin ium alloy conductor structure, is characterized in that, this first, second, third and fourth steel core wire is G4A steel core.
3. as claimed in claim 2 ± large the leap of 800kV extra-high voltage direct-current high strength alumin ium alloy conductor structure, is characterized in that, this first, second and third aluminium alloy conductor is LHA1 aluminium alloy conductor.
4. as claimed in claim 1 ± large the leap of 800kV extra-high voltage direct-current high strength alumin ium alloy conductor structure, is characterized in that, the solid conductor length in this all conducting is 2800m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320589452.9U CN203456109U (en) | 2013-09-24 | 2013-09-24 | A high-strength aluminum alloy wire structure for +/-800V ultrahigh-voltage DC large spanning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320589452.9U CN203456109U (en) | 2013-09-24 | 2013-09-24 | A high-strength aluminum alloy wire structure for +/-800V ultrahigh-voltage DC large spanning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203456109U true CN203456109U (en) | 2014-02-26 |
Family
ID=50135969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320589452.9U Expired - Fee Related CN203456109U (en) | 2013-09-24 | 2013-09-24 | A high-strength aluminum alloy wire structure for +/-800V ultrahigh-voltage DC large spanning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203456109U (en) |
-
2013
- 2013-09-24 CN CN201320589452.9U patent/CN203456109U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202153454U (en) | Overhead power transmission conducting wire and extra-high voltage DC transmission line | |
| CN202838989U (en) | Multicore wire/cable | |
| CN203456109U (en) | A high-strength aluminum alloy wire structure for +/-800V ultrahigh-voltage DC large spanning | |
| CN203192526U (en) | Specially-shaped aerial conductor | |
| CN202495281U (en) | Low skin effect extra-high voltage crosslinked cable | |
| CN204537713U (en) | A kind of high conductivity steel-aluminum wire | |
| CN202473390U (en) | Medium-voltage power cable | |
| CN202487197U (en) | Novel aluminum clad steel-cored aluminum stranded wire | |
| CN208622449U (en) | A kind of substation's low-tension high-conductivity aluminum alloy core pattern aluminum stranded conductor | |
| CN206259195U (en) | High intensity aluminium Baogang core is high to lead aluminum stranded conductor | |
| CN202434256U (en) | Cable | |
| CN204884599U (en) | Novel overhead stranded conductor | |
| CN205722980U (en) | A kind of data-communication cables of charged line | |
| CN202473276U (en) | Aluminum-clad steel core aluminum-alloy stranded wire | |
| CN203118607U (en) | Middle-strength aluminum alloy conductor of ultra-high-strength steel core | |
| CN104616724A (en) | Moderate-strength abnormally-shaped heat-resistant aluminum alloy overhead conductor | |
| CN202103875U (en) | Double-conductor heating cable | |
| CN204348356U (en) | Middle strength thermal resistant aluminium alloy shaped overhead conductors | |
| CN203260376U (en) | Low-sag heat-resisting aluminum alloy multiple-capacity conducting wire | |
| CN202473286U (en) | Novel aluminum clad steel core cable | |
| CN203179598U (en) | An aluminum alloy wire with extra heavy steel cores | |
| CN202549387U (en) | Anti-compression butyronitrile flexible power cable | |
| CN201868134U (en) | Paper-covered copper flat wire | |
| CN203260378U (en) | Low-sag high-strength heat-resisting aluminum alloy cable | |
| CN201465584U (en) | Steel-cored aluminum strand for UHV transmission lines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: SHANGHAI ZHONGTIAN ALUMINIUM WIRE Co.,Ltd. Patentee after: CHINA POWER ENGINEERING CONSULTING (Group) Corp. Patentee after: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Patentee after: NORTH CHINA POWER ENGINEERING CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: NORTHEAST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: EAST CHINA ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: CENTRAL SOUTHERN CHINA ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee after: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: Southwest Electric Power Design Institute CO., Ltd. of China Power Engineering Consulting Group Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: SHANGHAI ZHONGTIAN ALUMINIUM WIRE Co.,Ltd. Patentee before: CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee before: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Patentee before: NORTH CHINA POWER ENGINEERING CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee before: NORTHEAST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Patentee before: CHINA POWER ENGINEERING CONSULTING Group CORPORATION EAST CHINA ELECTRIC POWER DESIGN INSTITUTE Patentee before: CENTRAL SOUTHERN CHINA ELECTRIC POWER DESIGN INSTITUTE, CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee before: NORTHWEST ELECTRIC POWER DESIGN INST. OF CHINA POWER ENGINEERING CONSULTING Group Patentee before: SOUTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Corp. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |