CN204333852U - 500kV hydroelectric station outlet anchor point arrangement - Google Patents
500kV hydroelectric station outlet anchor point arrangement Download PDFInfo
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- CN204333852U CN204333852U CN201420748819.1U CN201420748819U CN204333852U CN 204333852 U CN204333852 U CN 204333852U CN 201420748819 U CN201420748819 U CN 201420748819U CN 204333852 U CN204333852 U CN 204333852U
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Abstract
The utility model 500kV hydroelectric station outlet anchor point arrangement, its anchor point is arranged on massif, massif side is provided with 500kV and goes out line platform, 500kV goes out that line platform is added is provided with door type frame, it comprises lightning conducter anchor point, middle phase outlet anchor point is disposed with below lightning conducter anchor point, limit phase outlet anchor point and transition anchor point, transition anchor point is positioned at the upper right of door type frame, a single back line comprises a middle phase outlet anchor point, two limit phase outlet anchor points and three transition anchor points, with conductors on quad bundled, door type frame is communicated with transition anchor point, with conductors on quad bundled by limit phase outlet anchor point, middle phase outlet anchor point is communicated with terminal tower, with lightning conducter, lightning conducter anchor point is communicated with terminal tower ground wire, the limit wire anchor point level interval of adjacent multi circuit transmission lines is greater than 14m.Which solve and return back out line more simultaneously, the hydroelectric station outlet problem of electric clearance deficiency when outlet drift angle is large, saved construction investment, outside applicability is good, and economic and social benefit is obvious.
Description
Technical field
The utility model relates to 500kV hydroelectric station outlet anchor point arrangement, specifically for solve the many and outlet drift angle of precipitous regional transmission line circuit large time electric clearance deficiency outlet problem.
Background technology
At present, China 500kV hydroelectric station outlet generally adopts direct extraction scheme, wire directly draws and is connected to terminal tower from door type frame, to outlet drift angle and tensile requirements comparatively strict, the comprehensive outlet drift angle of General Requirements is within 10 °, every phase conductor tension force is not more than 40kN, and outlet span general control is at about 100m.For hydroelectric station outlet, if landform is comparatively precipitous, outlet drift angle is greater than 10 °, and wire can not loosen when needing by normal tension unwrapping wire, can consider to arrange anchor point at dam body or body of wall, wire directly be drawn from anchor point and is connected to terminal tower, then from this section of circuit by T connection of conducting wire to switchyard.
And when 500kV hydroelectric station transmission line circuit is many, outlet angle is large, landform is subject in limited time, outlet scheme just becomes a difficult problem.According to conventional anchor point outlet scheme, electric clearance is difficult to meet code requirement; According to cable outlet scheme, construction investment is large, and harsh to Geological Condition Requirement.
Summary of the invention
The purpose of this utility model will provide a kind of 500kV hydroelectric station outlet anchor point arrangement exactly, specifically for solve the many and outlet drift angle of precipitous regional transmission line circuit large time electric clearance deficiency outlet problem, its outside applicability is strong, and construction investment is saved, economic benefit and social benefit obvious.
For achieving the above object, 500kV hydroelectric station outlet anchor point arrangement designed by the utility model, its anchor point is arranged on massif, massif side is provided with 500kV and goes out line platform, 500kV goes out the added door type frame be provided with for supporting outlet of line platform, it comprises lightning conducter anchor point, middle phase outlet anchor point is disposed with below lightning conducter anchor point, limit phase outlet anchor point and transition anchor point, transition anchor point is positioned at the upper right of door type frame, a single back line comprises a middle phase outlet anchor point, two limit phase outlet anchor points and three transition anchor points, with conductors on quad bundled, door type frame is communicated with transition anchor point, with conductors on quad bundled by limit phase outlet anchor point, middle phase outlet anchor point is communicated with terminal tower, directly lightning conducter anchor point is communicated with terminal tower ground wire with lightning conducter, the limit wire anchor point level interval of adjacent multi circuit transmission lines is greater than 14m.
In technique scheme, limit phase outlet anchor point, middle phase outlet anchor point interval are arranged, in delta arrangement.The alternate level interval of adjacent transition anchor point is 10m, and adjacent middle phase outlet anchor point is 10m with the alternate level interval of limit phase outlet anchor point, and middle phase outlet anchor point is than limit phase outlet anchor point height 8m.
Use the utility model 500kV hydroelectric station outlet anchor point arrangement, compared with the traditional power station outlet anchor point arrangement of use, there is following advantage:
One, solves and returns back out line more simultaneously, the problem of electric clearance deficiency when outlet drift angle is large;
Its two, compared with cable outlet scheme, saved construction investment;
Its three, outside applicability is good, economic benefit and social benefit obvious.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model 500kV hydroelectric station outlet anchor point arrangement;
Fig. 2 is the left side structure schematic diagram (single-circuit configurations) of Fig. 1;
Fig. 3 is the outlet schematic diagram (single-circuit configurations) of 500kV hydroelectric station outlet anchor point arrangement of the present utility model.
In figure: 500kV goes out line platform 1; Door type frame 2; Transition anchor point 3; Limit phase outlet anchor point 4; Middle phase outlet anchor point 5; Lightning conducter anchor point 6; Massif 7; Conductors on quad bundled 8; Lightning conducter 9.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, but should not be construed restriction of the present utility model, only for example, simultaneously by illustrating that advantage of the present utility model will become clearly and easy understand.
As Figure 1-3, 500kV hydroelectric station outlet anchor point arrangement designed by the utility model, its anchor point is arranged on massif 7, massif 7 side is provided with 500kV and goes out line platform 1, 500kV goes out the added door type frame 2 be provided with for supporting outlet of line platform 1, it comprises lightning conducter anchor point 6, middle phase outlet anchor point 5 is disposed with below lightning conducter anchor point 6, limit phase outlet anchor point 4 and transition anchor point 3, transition anchor point 3 is positioned at the upper right of door type frame 2, a single back line comprises a middle phase outlet anchor point 5, two limit phase outlet anchor points 4 and three transition anchor points 3, with conductors on quad bundled, door type frame 2 is communicated with transition anchor point 3, with conductors on quad bundled 8 by limit phase outlet anchor point 4, middle phase outlet anchor point 5 is communicated with terminal tower, directly lightning conducter anchor point 6 is communicated with terminal tower ground wire with lightning conducter 9, limit wire anchor point 4 level interval of adjacent multi circuit transmission lines is greater than 14m.
Limit phase outlet anchor point 4, middle phase outlet anchor point 5 interval are arranged, in delta arrangement.The alternate level interval of adjacent transition anchor point 3 is 10m, and adjacent middle phase outlet anchor point 5 is 10m with the alternate level interval of limit phase outlet anchor point 4, and middle phase outlet anchor point 5 is than the high 8m of limit phase outlet anchor point 4.
During utility model works, first the utility model arranges the transition anchor point 3 of a row of horizontal arrangement, the limit phase outlet anchor point 4 of delta arrangement, middle phase outlet anchor point 5 are set above transition anchor point again, above limit phase outlet anchor point 4, middle phase outlet anchor point 5, horizontal lightning conducter anchor point 6 is set.
With conductors on quad bundled respectively by the outlet door type frame 2 in power station and transition anchor point 3, limit phase outlet anchor point 4, middle phase outlet anchor point 5 are communicated with terminal tower.Then by power station outlet from post insulator upwards T be connected to the shelves of outlet structure-transition anchor point; The correct position near anchor point side is selected in the shelves of outlet structure-transition anchor point and outlet anchor point-terminal tower, the T binding clip of four changes two is adopted to be communicated with the large-section lead of binary fission, note checking electric clearance, lightning conducter anchor point 6 is directly connected with terminal tower earth wire support by lightning conducter.
The utility model carries out transition by arranging double anchor point, overcomes the excessive drawback causing electric clearance deficiency in outlet drift angle, thus achieves the hydroelectric station outlet of the area in hardship.
The content be not described in detail in specification, belongs to the known prior art of those skilled in the art.
Claims (3)
1.500kV hydroelectric station outlet anchor point arrangement, its anchor point is arranged on massif (7), described massif (7) side is provided with 500kV and goes out line platform (1), described 500kV goes out the added door type frame (2) be provided with for supporting outlet of line platform (1), it is characterized in that: it comprises lightning conducter anchor point (6), described lightning conducter anchor point (6) below is disposed with middle phase outlet anchor point (5), limit phase outlet anchor point (4) and transition anchor point (3), described transition anchor point (3) is positioned at the upper right of door type frame (2), a single back line comprises a middle phase outlet anchor point (5), two limit phase outlets anchor point (4) and three transition anchor points (3), with conductors on quad bundled, described door type frame (2) is communicated with described transition anchor point (3), with conductors on quad bundled (8) by described limit phase outlet anchor point (4), middle phase outlet anchor point (5) is communicated with terminal tower, with lightning conducter (9), lightning conducter anchor point (6) is communicated with terminal tower ground wire, limit wire anchor point (4) level interval of adjacent multi circuit transmission lines is greater than 14m.
2. 500kV hydroelectric station outlet anchor point arrangement according to claim 1, is characterized in that: described limit phase outlet anchor point (4), middle phase outlet anchor point (5) interval are arranged, in delta arrangement.
3. 500kV hydroelectric station outlet anchor point arrangement according to claim 1 or 2, it is characterized in that: the alternate level interval of adjacent described transition anchor point (3) is 10m, adjacent middle phase outlet anchor point (5) is 10m with the alternate level interval of limit phase outlet anchor point (4), middle phase outlet anchor point (5) 8m higher than limit phase outlet anchor point (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420748819.1U CN204333852U (en) | 2014-12-02 | 2014-12-02 | 500kV hydroelectric station outlet anchor point arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420748819.1U CN204333852U (en) | 2014-12-02 | 2014-12-02 | 500kV hydroelectric station outlet anchor point arrangement |
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| Publication Number | Publication Date |
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| CN204333852U true CN204333852U (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420748819.1U Active CN204333852U (en) | 2014-12-02 | 2014-12-02 | 500kV hydroelectric station outlet anchor point arrangement |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108683082A (en) * | 2018-06-22 | 2018-10-19 | 黄河勘测规划设计有限公司 | Power station at dam toe's outlet method for arranging |
| CN110571738A (en) * | 2019-08-20 | 2019-12-13 | 中国能源建设集团江苏省电力设计院有限公司 | device and method for leading and connecting multiple split conductors in transmission line gear |
-
2014
- 2014-12-02 CN CN201420748819.1U patent/CN204333852U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108683082A (en) * | 2018-06-22 | 2018-10-19 | 黄河勘测规划设计有限公司 | Power station at dam toe's outlet method for arranging |
| CN108683082B (en) * | 2018-06-22 | 2019-11-12 | 黄河勘测规划设计研究院有限公司 | Power station at dam toe's outlet method for arranging |
| CN110571738A (en) * | 2019-08-20 | 2019-12-13 | 中国能源建设集团江苏省电力设计院有限公司 | device and method for leading and connecting multiple split conductors in transmission line gear |
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| C14 | Grant of patent or utility model | ||
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