CN202153454U - Overhead power transmission conducting wire and extra-high voltage DC transmission line - Google Patents
Overhead power transmission conducting wire and extra-high voltage DC transmission line Download PDFInfo
- Publication number
- CN202153454U CN202153454U CN2011202986159U CN201120298615U CN202153454U CN 202153454 U CN202153454 U CN 202153454U CN 2011202986159 U CN2011202986159 U CN 2011202986159U CN 201120298615 U CN201120298615 U CN 201120298615U CN 202153454 U CN202153454 U CN 202153454U
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- Prior art keywords
- power transmission
- conducting wire
- overhead power
- aluminum alloy
- transmission conducting
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 70
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 37
- 229910001335 Galvanized steel Inorganic materials 0.000 claims abstract description 30
- 239000008397 galvanized steel Substances 0.000 claims abstract description 30
- 238000005728 strengthening Methods 0.000 claims description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 abstract 3
- 101100235511 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) LHP1 gene Proteins 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The present utility model discloses an overhead power transmission conducting wire and an extra-high voltage DC transmission line. The overhead power transmission conducting wire comprises a reinforcing core part which is formed by a plurality of extra-high strength galvanized steel wires, the extra-high strength galvanized steel wires are formed as a stranded structure; and a conductive part which is formed by a plurality of high strength aluminum alloy wires, and the high strength aluminum alloy wires are arranged outside the reinforcing core part and formed as a stranded structure outside the reinforcing part. In the extra-high voltage DC transmission line, the overhead power transmission conducting wire is adopted. The overhead power transmission conducting wire can satisfy the requirement of current-carrying capacity, has large weight-pulling ratio, and has good flexibility, fatigue resistance, vibration resistance and mechanical strength.
Description
Technical field
The utility model relates to a kind of overhead power transmission conducting wire and extra high voltage direct current transmission line.
Background technology
Along with socioeconomic fast development, to the also growth fast of demand of electricity consumption.But primary energy skewness and distance are far away, and the passway for transmitting electricity land used is more and more nervous.In order to address the above problem, improve transmission line capability, building more the transmission line of voltage levels, to be used for long distance power transmission as backbone network will be a kind of new solution.
The general electric pressure of present domestic transmission line backbone network is for exchanging 500kV and direct current ± 500kV, and the lead of its use is the needs that electric requirement or mechanical strength all can not satisfy the big span line of ultra high voltage (like ± 800kV, 1000kV).Therefore,, a kind of novel overhead power transmission conducting wire need be provided, promptly satisfy the transmission capacity requirement, satisfy electromagnetic environment and problems of mechanical strength again for satisfying the requirement of the big span line of extra-high voltage direct-current.
The utility model content
The purpose of the utility model is to provide a kind of novel overhead power transmission conducting wire that is used for the big span line of extra-high voltage direct-current, has bigger cross section, can satisfy the transmission capacity requirement, satisfy the electromagnetic environment influence, has excellent mechanical intensity again.
Another purpose of the utility model is to provide a kind of extra high voltage direct current transmission line, uses above-mentioned overhead power transmission conducting wire.
The first aspect of the utility model provides a kind of overhead power transmission conducting wire, comprising:
The strengthening core part, said strengthening core part is made up of several strands of Extra High Strength galvanized steel wires, and said several strands of Extra High Strength galvanized steel wires form the layer-twisted type structure; With
Current-carrying part, said current-carrying part is made up of several strands of high-strength aluminum alloy lines, is centered around the outside of said strengthening core part;
And said several strands of high-strength aluminum alloy lines form the layer-twisted type structure in the outside of said strengthening core part.
In another preference, the length of said overhead power transmission conducting wire is 2000m～5000m.
In another preference, the length of said overhead power transmission conducting wire is 2800m～4000m.
In another preference, the quantity of said Extra High Strength galvanized steel wire is 37～61 strands, forms four～five layers of layer-twisted type structure; And/or
The quantity of said high-strength aluminum alloy line is 30～84 strands, forms two～three layers of layer-twisted type structure in the outside of said strengthening core part.
In another preference, the quantity of said Extra High Strength galvanized steel wire is 37 strands, forms four layer-twisted type structures; And/or
The quantity of said high-strength aluminum alloy line is 42 strands, forms two-layer layer-twisted type structure in the outside of said strengthening core part.
In another preference, the diameter of said Extra High Strength galvanized steel wire is 2.2mm～3.5mm; And/or
The diameter of said high-strength aluminum alloy line is 3.0～5.0mm.
In another preference, the diameter of said Extra High Strength galvanized steel wire is 3.14mm; And/or
The diameter of high-strength aluminum alloy line is 4.4mm.
In another preference, the surface of said high-strength aluminum alloy line is bright and clean.
The second aspect of the utility model provides a kind of extra high voltage direct current transmission line, and said extra high voltage direct current transmission line comprises iron tower, the described overhead power transmission conducting wire of first aspect and OPGW.
In another preference, the quantity of the Extra High Strength galvanized steel wire of said overhead power transmission conducting wire is 37 strands; And/or
The quantity of said high-strength aluminum alloy line is 42 strands.
Total pull-off force of the overhead power transmission conducting wire of the utility model reaches more than the 654KN, has excellent mechanical intensity.And select for use high-strength aluminum alloy line and Extra High Strength galvanized steel wire as combination, draw anharmonic ratio big.
One of overhead power transmission conducting wire does not have joint on earth, and is not loose after the strand.Satisfy the transmission capacity requirement, satisfy electromagnetic environment influence, be suitable for extra-high voltage direct-current (as ± 800KV, ± 1000KV) cross over transmission line greatly.And be convenient to produce.
In should be understood that in the utility model scope, above-mentioned each technical characterictic of the utility model and hereinafter can mutual combination between specifically described each technical characterictic in (like embodiment), thus constitute new or optimized technical scheme.As space is limited, this tired no longer one by one stating.
Description of drawings
Fig. 1 is the cross-sectional structure sketch map of the overhead power transmission conducting wire of the utility model.
Fig. 2 is the vertical section structure sketch map of the overhead power transmission conducting wire of the utility model, has shown the lay configuration of every layer line in the lead.
Embodiment
The inventor of the utility model finds after overhead power transmission conducting wire has been carried out extensive and deep research; Employing is by the stranded strengthening core part that forms of Extra High Strength galvanized steel wire; Cover outward by the stranded current-carrying part that forms of high-strength aluminum alloy line, the overhead power transmission conducting wire with layer-twisted type structure of formation not only has big sectional area; And can satisfy the transmission capacity requirement, satisfy electromagnetic environment influence, have excellent mechanical intensity.On this basis, accomplished the utility model.
In the context of the utility model, said " Extra High Strength galvanized steel wire " is meant the Extra High Strength galvanized steel wire that satisfies standard GB/T 3428-2002 regulation performance.Said " high-strength aluminum alloy line " is meant that conductance is 52.5%IACS～53%IACS, the aluminium alloy wire of intensity >=280MPa.In the utility model, preferably, the high-strength aluminum alloy line of employing is a LAH1 high-strength aluminum alloy line, and conductance is 52.5%IACS, intensity >=315MPa.
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that following examples only to be used to the utility model is described and be not used in the restriction the utility model scope.
Overhead power transmission conducting wire
As depicted in figs. 1 and 2, the overhead power transmission conducting wire of the utility model comprises:
Strengthening core part 1, said strengthening core part 1 is made up of several strands of Extra High Strength galvanized steel wires 11, and said several strands of Extra High Strength galvanized steel wires 11 form the layer-twisted type structure; With
Current-carrying part 2, said current-carrying part 2 is made up of several strands of high-strength aluminum alloy lines 22, is centered around the outside of said strengthening core part 1, and said several strands of high-strength aluminum alloy lines 22 form the layer-twisted type structure in the outside of said strengthening core part 1.
The length of the overhead power transmission conducting wire of the utility model is 2000m～5000m.Preferably, the length of said overhead power transmission conducting wire is 2800m～4000m.
The diameter of the Extra High Strength galvanized steel wire 11 that overhead power transmission conducting wire adopted of the utility model is 2.2mm～3.5mm, and preferably, the diameter of the Extra High Strength galvanized steel wire 11 that is adopted is 3.14mm.
The diameter of the high-strength aluminum alloy line 22 that overhead power transmission conducting wire adopted of the utility model is 3.0mm～5.0mm.The diameter of the high-strength aluminum alloy line 22 that preferably, is adopted is 4.4mm.
The cross-sectional area of the overhead power transmission conducting wire of the utility model is 300mm
2～1000mm
2
The surface of the high-strength aluminum alloy line 22 that overhead power transmission conducting wire adopted of the utility model is bright and clean.
In another preference, the quantity of said Extra High Strength galvanized steel wire 11 is 37～61 strands, forms four～five layers of layer-twisted type structure.Preferably, the quantity of said Extra High Strength galvanized steel wire 11 is 37 strands, forms four layer-twisted type structures.Extra High Strength galvanized steel wire 11 is 37 strands, has pliability, and anti-fatigue performance and resistance to shock are more excellent.
In another preference, the quantity of said high-strength aluminum alloy line 22 is 30～84 strands, forms two～three layers of layer-twisted type structure in the outside of said strengthening core part 1.Preferably, the quantity of said high-strength aluminum alloy line 22 is 42 strands, forms two-layer layer-twisted type structure in the outside of said strengthening core part 1.
In another preference, the conductance of said high-strength aluminum alloy line 22 is 52.5%IACS～53%IACS, and intensity reaches 295MPa～325MPa.Preferably, said high-strength aluminum alloy line 22 is a LAH1 high-strength aluminum alloy line, and conductance is 52.5%IACS, intensity >=315MPa.
Through test, total pull-off force of the overhead power transmission conducting wire of the utility model reaches more than the 654KN.Select for use high-strength aluminum alloy line and Extra High Strength galvanized steel wire as combination, draw anharmonic ratio big, and length reaches 2000m～4000m, one does not have joint on earth, and not loose after the strand.
Extra high voltage direct current transmission line
The utility model one preferred overhead power transmission conducting wire and OPGW are set up on the iron tower, are used to set up ± test that experimentizes of 800KV extra high voltage direct current transmission line engineering.
Wherein, the strengthening core of overhead power transmission conducting wire part is by 37 bursts of stranded forming of Extra High Strength galvanized steel wire, and current-carrying part is by 42 bursts of stranded forming of high-strength aluminum alloy line, and length is 2985m.
Through test, the overhead power transmission conducting wire ampacity of the utility model can meet the demands, and satisfies the electromagnetic environment influence.
The usefulness of the utility model is:
(1) total pull-off force of lead reaches more than the 654KN, has excellent mechanical intensity.
(2) select for use high-strength aluminum alloy line and Extra High Strength galvanized steel wire as combination, draw anharmonic ratio big.
(3) one do not have joint on earth, not loose after the strand.
(4) satisfy the transmission capacity requirement, satisfy electromagnetic environment influence, be suitable for extra-high voltage direct-current (as ± 800KV, ± 1000KV) cross over transmission line greatly.
(5) be convenient to produce.
Should be understood that in addition after having read the above-mentioned teachings of the utility model, those skilled in the art can do various changes or modification to the utility model, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Claims (10)
1. an overhead power transmission conducting wire is characterized in that, said overhead power transmission conducting wire comprises:
The strengthening core part, said strengthening core part is made up of several strands of Extra High Strength galvanized steel wires, and said several strands of Extra High Strength galvanized steel wires form the layer-twisted type structure; With
Current-carrying part, said current-carrying part is made up of several strands of high-strength aluminum alloy lines, is centered around the outside of said strengthening core part;
And said several strands of high-strength aluminum alloy lines form the layer-twisted type structure in the outside of said strengthening core part.
2. overhead power transmission conducting wire as claimed in claim 1 is characterized in that, the length of said overhead power transmission conducting wire is 2000m～5000m.
3. overhead power transmission conducting wire as claimed in claim 2 is characterized in that, the length of said overhead power transmission conducting wire is 2800m～4000m.
4. overhead power transmission conducting wire as claimed in claim 1 is characterized in that, the quantity of said Extra High Strength galvanized steel wire is 37～61 strands, forms four～five layers of layer-twisted type structure; And/or
The quantity of said high-strength aluminum alloy line is 30～84 strands, forms two～three layers of layer-twisted type structure in the outside of said strengthening core part.
5. overhead power transmission conducting wire as claimed in claim 4 is characterized in that the quantity of said Extra High Strength galvanized steel wire is 37 strands, forms four layer-twisted type structures; And/or
The quantity of said high-strength aluminum alloy line is 42 strands, forms two-layer layer-twisted type structure in the outside of said strengthening core part.
6. overhead power transmission conducting wire as claimed in claim 1 is characterized in that, the diameter of said Extra High Strength galvanized steel wire is 2.2mm～3.5mm; And/or
The diameter of said high-strength aluminum alloy line is 3.0～5.0mm.
7. overhead power transmission conducting wire as claimed in claim 6 is characterized in that, the diameter of said Extra High Strength galvanized steel wire is 3.14mm; And/or
The diameter of high-strength aluminum alloy line is 4.4mm.
8. overhead power transmission conducting wire as claimed in claim 1 is characterized in that the surface of said high-strength aluminum alloy line is bright and clean.
9. an extra high voltage direct current transmission line is characterized in that, said extra high voltage direct current transmission line comprises iron tower, the described overhead power transmission conducting wire of claim 1 and OPGW.
10. extra high voltage direct current transmission line as claimed in claim 9 is characterized in that, the quantity of the Extra High Strength galvanized steel wire of said overhead power transmission conducting wire is 37 strands; And/or
The quantity of said high-strength aluminum alloy line is 42 strands.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202986159U CN202153454U (en) | 2011-08-17 | 2011-08-17 | Overhead power transmission conducting wire and extra-high voltage DC transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202986159U CN202153454U (en) | 2011-08-17 | 2011-08-17 | Overhead power transmission conducting wire and extra-high voltage DC transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202153454U true CN202153454U (en) | 2012-02-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202986159U Expired - Lifetime CN202153454U (en) | 2011-08-17 | 2011-08-17 | Overhead power transmission conducting wire and extra-high voltage DC transmission line |
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| Country | Link |
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| CN (1) | CN202153454U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280272A (en) * | 2013-05-23 | 2013-09-04 | 江苏东峰电缆有限公司 | Ultra-light power transmission lead |
| CN103426551A (en) * | 2012-05-20 | 2013-12-04 | 河南科信电缆有限公司 | Aluminum alloy molded line photoelectric compound cable |
| CN103632750A (en) * | 2013-11-22 | 2014-03-12 | 国家电网公司 | Novel extra-strong steel-core aluminium alloy wire used for extra-high voltage long span transmission |
| CN103714900A (en) * | 2013-12-16 | 2014-04-09 | 黄冈兴和电线电缆有限公司 | Extended-diameter conductor and manufacturing method thereof |
| CN103839620A (en) * | 2014-03-28 | 2014-06-04 | 特变电工(德阳)电缆股份有限公司 | Light wire with super-large cross section |
| CN106024135A (en) * | 2014-12-29 | 2016-10-12 | 江苏亨通电力特种导线有限公司 | Transmission project low sag wire |
| CN106057330A (en) * | 2014-12-29 | 2016-10-26 | 江苏亨通电力特种导线有限公司 | Aluminum alloy twisted wire used for ultra-high voltage transmission line |
| USD779440S1 (en) | 2014-08-07 | 2017-02-21 | Henkel Ag & Co. Kgaa | Overhead transmission conductor cable |
| CN109338770A (en) * | 2018-12-11 | 2019-02-15 | 天津冶金集团中兴盛达钢业有限公司 | A kind of long-span electric transmission line super extra-high strong galvanized strand wires and its twisting method |
-
2011
- 2011-08-17 CN CN2011202986159U patent/CN202153454U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103426551A (en) * | 2012-05-20 | 2013-12-04 | 河南科信电缆有限公司 | Aluminum alloy molded line photoelectric compound cable |
| CN103280272A (en) * | 2013-05-23 | 2013-09-04 | 江苏东峰电缆有限公司 | Ultra-light power transmission lead |
| CN103632750A (en) * | 2013-11-22 | 2014-03-12 | 国家电网公司 | Novel extra-strong steel-core aluminium alloy wire used for extra-high voltage long span transmission |
| CN103632750B (en) * | 2013-11-22 | 2016-04-06 | 国家电网公司 | A kind of novel extra-heavy aluminium alloy conductors steel for ultra high voltage Great span |
| CN103714900A (en) * | 2013-12-16 | 2014-04-09 | 黄冈兴和电线电缆有限公司 | Extended-diameter conductor and manufacturing method thereof |
| CN103839620A (en) * | 2014-03-28 | 2014-06-04 | 特变电工(德阳)电缆股份有限公司 | Light wire with super-large cross section |
| USD779440S1 (en) | 2014-08-07 | 2017-02-21 | Henkel Ag & Co. Kgaa | Overhead transmission conductor cable |
| USD868701S1 (en) | 2014-08-07 | 2019-12-03 | Henkel Ag & Co. Kgaa | Overhead transmission conductor cable |
| CN106024135A (en) * | 2014-12-29 | 2016-10-12 | 江苏亨通电力特种导线有限公司 | Transmission project low sag wire |
| CN106057330B (en) * | 2014-12-29 | 2018-04-06 | 江苏亨通电力特种导线有限公司 | UHV transmission line aluminium alloy stranded conductor |
| CN106057330A (en) * | 2014-12-29 | 2016-10-26 | 江苏亨通电力特种导线有限公司 | Aluminum alloy twisted wire used for ultra-high voltage transmission line |
| CN109338770A (en) * | 2018-12-11 | 2019-02-15 | 天津冶金集团中兴盛达钢业有限公司 | A kind of long-span electric transmission line super extra-high strong galvanized strand wires and its twisting method |
| CN109338770B (en) * | 2018-12-11 | 2021-12-07 | 天津市新天钢中兴盛达有限公司 | Super-extra-high-strength galvanized steel strand for long-span transmission line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200063 Wuning Road, Shanghai, No. 409, No. Patentee after: Co., Ltd of Huabei Power Design Inst., China Power Engineering Consulting Group Patentee after: Shanghai Zhongtian Aluminium Wire Co., Ltd. Address before: 200063 Wuning Road, Shanghai, No. 409, No. Patentee before: Huabei Power Design Inst., China Power Engineering Consulting Group Patentee before: Shanghai Zhongtian Aluminium Wire Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120229 |
|
| CX01 | Expiry of patent term |