CN202275607U - 3000mm<2> aluminum core segmental conductor - Google Patents
3000mm<2> aluminum core segmental conductor Download PDFInfo
- Publication number
- CN202275607U CN202275607U CN2011203385188U CN201120338518U CN202275607U CN 202275607 U CN202275607 U CN 202275607U CN 2011203385188 U CN2011203385188 U CN 2011203385188U CN 201120338518 U CN201120338518 U CN 201120338518U CN 202275607 U CN202275607 U CN 202275607U
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- conductor
- aluminum core
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Abstract
The utility model discloses a 3000mm<2> aluminum core segmental conductor. A circular conductive body is combined by a group of fan-shaped conductive strand blocks with equivalent section area, and an aluminum twisted wire is filled at the center of the circular conductive body. The large section of the aluminum core segmental conductor disclosed by the utility model can transmit higher current, be equivalent to the transmittability of an 1800mm<2> copper conductor under the same voltage class and further ease the situation of scarce global copper resources.
Description
Technical field
The utility model relates to a kind of material of electric energy transmitting, is the 3000mm on a kind of heavy in section 220kV of being applicable to and above superhigh pressure or the ultra high voltage
2Aluminum core segmental conductor.
Background technology
The maximum aluminium core conductor cross section that can produce in the world at present is 2500mm
2Along with the average annual growth of China GDP and the continuous growth of electricity needs; Improving constantly of electric power transfer electric pressure and cross section; " conductor of GB/T 3956-2008 cable ", " GB/Z 18890-2002 rated voltage 220kV (Um=252kV) power cable with cross-linked polyethylene insulation and annex thereof ", " GB/T 22078-2008 rated voltage 500kV (Um=550kV) power cable with cross-linked polyethylene insulation and annex thereof " and " IEC60228:2004; IDT ", the maximum cable cross section 2500mm that stipulates in " IEC62067:2001 ", " IEC62067:2006, MOD " standard
2Conductor can not satisfy the demand of electric power development, 3000mm in the near future
2The demand of heavy in section aluminum core segmental conductor is appeared suddenly, and the research and development new product also is the task of top priority of electric power system manufacturer.
The utility model content
The utility model purpose: the utility model technical problem to be solved is the deficiency to prior art, and a kind of aluminum core segmental conductor is provided.
In order to solve the problems of the technologies described above, the utility model discloses a kind of 3000mm
2Aluminum core segmental conductor, said cable core cross-section are that the cross section that the fan-shaped conduction strand piece of one group of uiform section area is combined into is 3000mm
2Circular electric conductor, the electric conductor center of said circle is provided with aluminium stranded conductor.
In the utility model, be provided with the wrinkle insulating paper layer between the fan-shaped conduction strand piece of said each uiform section area.Be provided with the wrinkle insulating paper layer between said fan-shaped conduction strand piece and the said aluminium stranded conductor.Form insulation thus, can overcome the skin effect of electric current.
In the utility model, the fan-shaped conduction strand piece of said uiform section area is six.Adopt six segmenting structures, the middle circle twisted wire of filling helps the stable of aluminum core segmental conductor.
In the utility model, said cross section is surrounded with semiconductive nylon belt outward for circular electric conductor.Not only played thus wrapping with but also electric field strength that can homogenizing conductor periphery.
Said semiconductive nylon belt peripheral hardware has polyester layer, shields, and when carrying out next procedure, divests.
Beneficial effect: the 3000mm of the utility model
2Bigger electric current can be transmitted in the aluminum core segmental conductor heavy in section, and it is equivalent to 1800mm under identical electric pressure
2The transmittability of copper conductor also can be alleviated the situation of global copper scarcity of resources.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done specifying further, the above-mentioned and/or otherwise advantage of the utility model will become apparent.
Fig. 1 is a present embodiment aluminum core segmental conductor structural representation.
Embodiment
As shown in Figure 1, the utility model discloses a kind of aluminum core segmental conductor, comprise cable core, said cable core cross-section is that the cross section that the fan-shaped conduction strand piece of 6 uiform section areas is combined into is 3000mm
2Circular electric conductor 1, the electric conductor center of said circle is provided with aluminium stranded conductor 2.Be provided with wrinkle insulating paper layer 3 between the fan-shaped conduction strand piece of said each uiform section area.Be provided with wrinkle insulating paper layer 3 between said fan-shaped conduction strand piece and the said aluminium stranded conductor.Said cross section is surrounded with semiconductive nylon belt 4 outward for circular electric conductor.Said semiconductive nylon belt peripheral hardware has polyester protective layer 5.
Embodiment
Fan-shaped strand of piece of pretwist made on 91 dishes, 500/630 type frame winch in the present embodiment, stranding suitable device
the dish winch of fan-shaped strand of piece.
Wherein, the quality standard of each operation is following:
1, monofilament requires:
1) monofilament external diameter tolerance: Φ 2.72 ± 0.01mm;
2) tensile strength 160～200N/mm
2
3) monofilament resistivity :≤0.028264 * 10
-6Ω mm
2/ m;
4) monofilament outward appearance rounding, smooth; Non-oxidation, greasy dirt, burr;
5) the take-up reel winding displacement is neat, tight.
2, twisted wire requires:
1) pitch, fan is high, fan is wide, pretwist pitch, strand are controlled in strict accordance with technological requirement to, external diameter;
2) 20 ℃ of thigh piece D.C. resistance≤0.0606 Ω/km;
3) outer do not have disconnected strand;
4) fan type thigh piece does not have burr, sharp edge, back of the body thigh, greasy dirt, crawls;
5) the take-up disk track is not less than Φ 2500mm, and in the dish tool inner liner should be arranged;
6) between every layer of fan type thigh piece take-up layer, should add the cushions;
7) the pretwist pitch must be identical;
8) every dish line take-up finishes, and should do the external packing protection.
3, stranding requires:
1) laying up pitch is carried out according to technological requirement, keeps six split share piece laying up pitch to equate with the pretwist pitch;
2) stranding direction, band are controlled according to the technology table;
3) stranding roundness >=98.5%;
4) fill in the middle of and use 25mm
2Circular aluminium stranded conductor;
5) 20 ℃ of D.C. resistance control≤0.0101 Ω/km;
6) use ф 3600mm take-up reel, inner liner is used in dish tool bottom, every layer of middle liner that uses;
7) the semi-conductive tape joint uses special adhesive tape;
8) two overlapping inserting of crimped paper joint;
9) stranding wrapped (semiconductive nylon tape) tension force is big as far as possible, guarantees smooth, corrugationless.
The utility model provides a kind of thinking and method of aluminum core segmental conductor; The method and the approach of concrete this technical scheme of realization are a lot, and the above only is the preferred implementation of the utility model, should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection range of the utility model.The all available prior art of each part not clear and definite in the present embodiment realizes.
Claims (5)
1. 3000mm
2Aluminum core segmental conductor is characterized in that, said cable core cross-section is that the cross section that the fan-shaped conduction strand piece of one group of uiform section area is combined into is 3000mm
2Circular electric conductor, the electric conductor center of said circle is filled with aluminium stranded conductor.
2. 3000mm according to claim 1
2Aluminum core segmental conductor is characterized in that, is provided with the wrinkle insulating paper layer between the fan-shaped conduction strand piece of said each uiform section area.
3. 3000mm according to claim 1 and 2
2Aluminum core segmental conductor is characterized in that, is provided with the wrinkle insulating paper layer between said fan-shaped conduction strand piece and the said aluminium stranded conductor.
4. 3000mm according to claim 1
2Aluminum core segmental conductor is characterized in that, the fan-shaped conduction strand piece of said uiform section area is six.
5. 3000mm according to claim 1
2Aluminum core segmental conductor is characterized in that, said cross section is surrounded with semiconductive nylon belt outward for circular electric conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203385188U CN202275607U (en) | 2011-09-09 | 2011-09-09 | 3000mm<2> aluminum core segmental conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203385188U CN202275607U (en) | 2011-09-09 | 2011-09-09 | 3000mm<2> aluminum core segmental conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202275607U true CN202275607U (en) | 2012-06-13 |
Family
ID=46195951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203385188U Expired - Fee Related CN202275607U (en) | 2011-09-09 | 2011-09-09 | 3000mm<2> aluminum core segmental conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202275607U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105745722A (en) * | 2013-11-06 | 2016-07-06 | 莱尼电缆控股有限公司 | Stranded conductors and method for producing stranded conductors |
| CN106531327A (en) * | 2016-12-30 | 2017-03-22 | 无锡江南电缆有限公司 | Extra large section segmented conductor type armored water-blocking power cable |
-
2011
- 2011-09-09 CN CN2011203385188U patent/CN202275607U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105745722A (en) * | 2013-11-06 | 2016-07-06 | 莱尼电缆控股有限公司 | Stranded conductors and method for producing stranded conductors |
| US9887022B2 (en) | 2013-11-06 | 2018-02-06 | Leoni Kabel Holding Gmbh | Stranded conductors and method for producing stranded conductors |
| CN105745722B (en) * | 2013-11-06 | 2018-03-23 | 莱尼电缆控股有限公司 | Stranded conductor and the method for manufacturing stranded conductor |
| CN106531327A (en) * | 2016-12-30 | 2017-03-22 | 无锡江南电缆有限公司 | Extra large section segmented conductor type armored water-blocking power cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120613 Termination date: 20190909 |