CN204144873U - A kind of 750kV substation bus bar conductors on quad bundled structure - Google Patents
A kind of 750kV substation bus bar conductors on quad bundled structure Download PDFInfo
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- CN204144873U CN204144873U CN201420678447.XU CN201420678447U CN204144873U CN 204144873 U CN204144873 U CN 204144873U CN 201420678447 U CN201420678447 U CN 201420678447U CN 204144873 U CN204144873 U CN 204144873U
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- bus bar
- substation bus
- quad bundled
- bar conductors
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Abstract
The utility model discloses a kind of 750kV substation bus bar conductors on quad bundled structure, comprise the wire of employing four division, the heading spacing between described wire is 400mm, and solid conductor diameter is not less than 51mm.Adopt the conductor structure in the utility model, corona discharge phenomenon be improved significantly, corona noise, generally at below 45dB, reduces about 25%, has good economic benefit, for follow-up EHV transmission engineering has important reference and reference.Meanwhile, the conductors on quad bundled structure after optimizing is in operation owing to eliminating corona discharge, decreases environmental pollution.
Description
Technical field
The utility model relates to extra-high voltage electric power transmission field, especially relates to a kind of 750kV substation bus bar conductors on quad bundled structure.
Background technology
Along with 750kV power grid construction launches on a large scale, the equipment of the Northwest 750kV main electrical equipment is greatly improved, existing 40 Duo Ge 750kV transformer stations build up and put into operation at present, bus in the transformer station put into operation all adopts double bundle conductor, by to charged double bundle conductor on-the-spot test, its corona discharge is very serious, and corona noise is also at about 60dB.
And along with project of transmitting and converting electricity electric pressure more and more higher, electromagnetic environmental pollution problem also becomes increasingly conspicuous: produce electromagnetic pollution and corona noise after corona discharge occurs, and harm operations staff is healthy; Produce high order harmonic component, interference radio communication; Produce the product such as ozone, nitrogen oxide, contaminated environment.
Especially adopt ultraviolet imager to observe after corona phenomenon on the spot to the domestic multiple 750kV transformer stations put into operation to find, it is compared with interchange 1000kV ultra-high voltage transformer station, and its electric pressure is lower, but corona discharge problem in station is more serious.
Summary of the invention
Technical problem to be solved in the utility model is: the harsh electromagnetic pollution existed for existing 750kV substation bus bar double bundle conductor technology and the problem of corona discharge, provide a kind of 750kV substation bus bar conductors on quad bundled structure.
A kind of 750kV substation bus bar conductors on quad bundled structure, comprise the wire 1 of employing four division, the heading spacing between described wire 1 is 400mm, and solid conductor 1 diameter is not less than 51mm, and the wire 1 of described four divisions adopts conductor spacer 2 to support.
Alternately, above-mentioned a kind of 750kV substation bus bar conductors on quad bundled structure, described conductor spacer 2 is quadrilateral structure, comprises the support component 3 on formation four limit, is positioned at the fixed part 4 of support component 3 two ends for fixing cord.
Alternately, above-mentioned a kind of 750kV substation bus bar conductors on quad bundled structure, described fixed part 4 has termination 10, and described termination 10 embeds the groove 11 of support component 3, and described fixed part 4 is connected by the mode of welding with the external contact place of support component 3.
Alternately, above-mentioned a kind of 750kV substation bus bar conductors on quad bundled structure, described fixed part 4 is annular, and ring part A5 can rotate around the junction 7 of itself and ring part B6, and the other end of described ring part A5 is fixedly connected on ring part B6 by bolt 8.
Alternately, above-mentioned a kind of 750kV substation bus bar conductors on quad bundled structure, described conductor spacer 2 is X-type, and four ends of described X-type support component 3 are provided with the fixed part 4 of fixing cord.
Alternately, above-mentioned a kind of 750kV substation bus bar conductors on quad bundled structure, described fixed part 4 has termination 10, and described termination 10 embeds the groove 11 of support component 3, and described fixed part 4 is connected by the mode of welding with the external contact place of support component 3.
Alternately, above-mentioned a kind of 750kV substation bus bar conductors on quad bundled structure, described fixed part 4 is annular, and ring part A5 can rotate around the junction 7 of itself and ring part B6, and the other end of described ring part A5 is fixedly connected on ring part B6 by bolt 8.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
Described 750kV conductors on quad bundled structure, corona discharge phenomenon be improved significantly, corona noise, generally at below 45dB, reduces about 25%, has good economic benefit, for follow-up EHV transmission engineering has important reference and reference.Meanwhile, after optimizing, conductors on quad bundled structure is in operation because the corona discharge eliminated also just decreases environmental pollution.
Accompanying drawing explanation
The utility model illustrates by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the structural representation of binary fission conductor structure;
Fig. 2 is the structural representation of 750kV substation bus bar conductors on quad bundled structure in the utility model;
Fig. 3 is 750kV substation bus bar conductors on quad bundled structure quadrangle bracket cross section figure in the utility model;
Fig. 4 is 750kV substation bus bar conductors on quad bundled structure X-shaped bracket cross section figure in the utility model.
Reference numeral: 1 be wire, 2 be conductor spacer, 3 be support component, 4 be fixed part, 5 be ring part A, 6 be ring part B, 7 be junction, 8 be bolt, 9 be weld, 10 be termination, 11 for groove.
Embodiment
All features disclosed in this specification, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
As shown in Figure 1, traditional 750kV substation bus bar double bundle conductor structure clash spacing is 400mm, solid conductor minimum diameter is 70mm, through simulation calculation, the surface electric field intensity of double bundle conductor is 29.15kV/cm to the maximum, exceeded the surface field intensity values 20kV/cm that conductor allows, therefore double bundle conductor structure is in operation and can produces serious corona discharge and environmental pollution.
As shown in Figure 2, a kind of 750kV substation bus bar conductors on quad bundled structure in the utility model, comprise the wire 1 of employing four division, the heading spacing between described wire 1 is 400mm, and solid conductor minimum diameter is 51mm.Through simulation calculation, the surface electric field intensity of conductors on quad bundled is 19.82kV/cm to the maximum, and within the surface field intensity values 20kV/cm that conductor allows, after optimizing, conductors on quad bundled structure is in operation the corona discharge and environmental pollution that eliminate.The wire 1 of described four divisions adopts conductor spacer 2 to support.
As described in Figure 3, described conductor spacer 2 is quadrilateral structure, and this structure is simple, shape specification, is easy to production and the manufacture in early stage.This structure comprise formation four limit support component 3, be positioned at the fixed part 4 of support component 3 two ends for fixing cord.Described fixed part 4 has termination 10, and described termination 10 embeds the groove 11 of support component 3, and described fixed part 4 is connected by the mode of welding with the external contact place of support component 3.Described fixed part 4 is annular, and the interior circular diameter of described annular is more than or equal to 52 millimeters, and the distance of center circle of adjacent annular inner circle is 400 millimeters.Ring part A can rotate around the junction 7 of itself and ring part B, when conductor spacer laid by needs, described ring part A is rotated to clockwise (or counterclockwise) direction, open fixed part 4, embedding needs the wire of division arrangement, then (or clockwise) rotary annular portion A puts in place, at ring part A construction bolt counterclockwise, be fixedly connected on ring part B6 by bolt 8, and with the wire in this sealed ring part A and ring part B.
As shown in Figure 4, described conductor spacer 2 is X-shaped structure, and this structure provides the support force of four direction for wire, reduces the elastic deformation of support, makes four wires 1 divided remain on position each other, makes mutual spacing maintain 400mm.Four ends of described X-type support component 3 are provided with the fixed part 4 of fixing cord.Described fixed part 4 has termination 10, and described termination 10 embeds the groove 11 of support component 3, and described fixed part 4 is connected by the mode of welding with the external contact place of support component 3.Described fixed part 4 is annular, and the interior circular diameter of described annular is more than or equal to 52 millimeters, and the distance of center circle of adjacent annular inner circle is 400 millimeters.Ring part A5 can rotate around the junction 7 of itself and ring part B6, and the other end of described ring part A5 is fixedly connected on ring part B6 by bolt 8.
The utility model is not limited to aforesaid embodiment.The utility model expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (7)
1. a 750kV substation bus bar conductors on quad bundled structure, it is characterized in that: the wire (1) comprising employing four division, heading spacing between described wire (1) is 400mm, solid conductor (1) diameter is not less than 51mm, and the wire (1) of described four divisions adopts conductor spacer (2) to support.
2. a kind of 750kV substation bus bar conductors on quad bundled structure as claimed in claim 1, it is characterized in that: described conductor spacer (2) is quadrilateral structure, comprise the support component (3) on formation four limit, be positioned at the fixed part (4) of support component (3) two ends for fixing cord.
3. a kind of 750kV substation bus bar conductors on quad bundled structure as claimed in claim 2, it is characterized in that: described fixed part (4) has termination (10), described termination (10) embeds the groove (11) of support component (3), and described fixed part (4) is connected by the mode of welding with the external contact place of support component (3).
4. a kind of 750kV substation bus bar conductors on quad bundled structure as claimed in claim 2 or claim 3, it is characterized in that: described fixed part (4) is annular, ring part A(5) can around itself and ring part B(6) junction (7) rotate, described ring part A(5) the other end be fixedly connected on ring part B(6 by bolt (8)) on.
5. a kind of 750kV substation bus bar conductors on quad bundled structure as claimed in claim 1, is characterized in that: described conductor spacer (2) is X-type, and four ends of described X-type support component (3) are provided with the fixed part (4) of fixing cord.
6. a kind of 750kV substation bus bar conductors on quad bundled structure as claimed in claim 5, it is characterized in that: described fixed part (4) has termination (10), described termination (10) embeds the groove (11) of support component (3), and described fixed part (4) is connected by the mode of welding with the external contact place of support component (3).
7. a kind of 750kV substation bus bar conductors on quad bundled structure as described in claim 5 or 6, it is characterized in that: described fixed part (4) is annular, ring part A(5) can around itself and ring part B(6) junction (7) rotate, described ring part A(5) the other end be fixedly connected on ring part B(6 by bolt (8)) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420678447.XU CN204144873U (en) | 2014-11-14 | 2014-11-14 | A kind of 750kV substation bus bar conductors on quad bundled structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420678447.XU CN204144873U (en) | 2014-11-14 | 2014-11-14 | A kind of 750kV substation bus bar conductors on quad bundled structure |
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| Publication Number | Publication Date |
|---|---|
| CN204144873U true CN204144873U (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420678447.XU Active CN204144873U (en) | 2014-11-14 | 2014-11-14 | A kind of 750kV substation bus bar conductors on quad bundled structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105098690A (en) * | 2015-08-19 | 2015-11-25 | 平高集团有限公司 | A bundle spacer rod and support members thereof |
| CN106877263A (en) * | 2017-03-06 | 2017-06-20 | 山东特瑞电力器材有限公司 | A kind of extra high voltage network anti-bouncing spacer |
| CN111934267A (en) * | 2020-07-06 | 2020-11-13 | 国家电网有限公司 | Split type multi-bundle conductor spacing fixing device |
-
2014
- 2014-11-14 CN CN201420678447.XU patent/CN204144873U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105098690A (en) * | 2015-08-19 | 2015-11-25 | 平高集团有限公司 | A bundle spacer rod and support members thereof |
| CN106877263A (en) * | 2017-03-06 | 2017-06-20 | 山东特瑞电力器材有限公司 | A kind of extra high voltage network anti-bouncing spacer |
| CN106877263B (en) * | 2017-03-06 | 2019-02-22 | 山东特瑞电力器材有限公司 | A kind of extra high voltage network anti-bouncing spacer |
| CN111934267A (en) * | 2020-07-06 | 2020-11-13 | 国家电网有限公司 | Split type multi-bundle conductor spacing fixing device |
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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 |
Owner name: CHINA POWER ENGINEERING CONSULTING GROUP SOUTHWEST Free format text: FORMER NAME: SOUTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING GROUP CORPORATION |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 610021 Dongfeng Road, Chengdu, Sichuan, No. 18, No. Patentee after: China Power Engineering Consulting Group Southwest Electric Power Design Institute Co., Ltd. Address before: 610021 Dongfeng Road, Chengdu, Sichuan, No. 18, No. Patentee before: Southwest Electric Power Design Institute of China Power Engineering Consulting Group Corporation |