CN217883239U - Supporting and hanging combined type valve hall arrangement structure of 150kV flexible direct current converter station - Google Patents
Supporting and hanging combined type valve hall arrangement structure of 150kV flexible direct current converter station Download PDFInfo
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- CN217883239U CN217883239U CN202221665407.2U CN202221665407U CN217883239U CN 217883239 U CN217883239 U CN 217883239U CN 202221665407 U CN202221665407 U CN 202221665407U CN 217883239 U CN217883239 U CN 217883239U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
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Abstract
A supporting and hanging combined type valve hall arrangement structure of a 150kV flexible direct current conversion station comprises a valve hall and a valve tower group arranged in the valve hall, wherein the valve tower group comprises a first valve tower and a second valve tower which are oppositely arranged in the valve hall, the first valve tower is arranged in the valve hall in a floor-falling mode, and the second valve tower is inversely arranged on the floor of the valve hall through a preset roof hanging point and a suspension insulator; the distance between two adjacent phases in the same valve tower is not less than 4m. The valve hall is connected with the starting resistance area through alternating current GIS equipment, a current transformer and a lightning arrester are arranged between the first valve tower and the second valve tower and the corresponding alternating current GIS equipment, and the valve towers, the current transformer, the lightning arrester and the alternating current GIS equipment are connected through flexible wires; the second valve tower is connected with the GIS equipment by using a GIL pipeline; the relative distance between the first valve tower and the second valve tower is 3.3 to 4m. The arrangement structure has the advantages of saving space, reducing the floor area of the valve hall and the like.
Description
Technical Field
The utility model relates to a direct current transmission engineering technical field, concretely relates to 150kV gentle direct current conversion station prop and hang convolution valve room arrangement structure.
Background
The valve hall is an important area in the flexible direct current convertor station, the overall size and the arrangement scheme of the flexible direct current convertor station are determined to a great extent, and important influence is generated on the investment and construction cost of the flexible direct current convertor station. The core design content of the valve hall is the arrangement of equipment such as a valve tower, and the size of the valve hall is mainly determined by the size of main equipment and air clear distance requirements. According to the calculation, the valve-side phase spacing is considered as 4000mm and the valve-side pole spacing is considered as 4000 mm. Limited by partial geographical shape, a complete converter unit valve group is usually arranged in a single valve hall of the flexible direct current converter station in the prior open area, alternating current and direct current side electrical equipment of the converter valve are arranged in a tiled mode, and the size of the valve hall is large, so that the arrangement structure occupies a large area and cannot meet the requirement of compact structure of the flexible direct current converter station in partial areas.
Disclosure of Invention
The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, provides one kind and arranges that 150kV gentle straight current conversion station's that compacter and area are littleer props hangs convolution valve room arrangement structure.
The utility model aims at solving the technical problem that the supporting and hanging combined valve hall arrangement structure of the 150kV flexible direct current converting station comprises a valve hall and a valve tower group arranged in the valve hall, wherein the valve tower group comprises a first valve tower and a second valve tower which are oppositely arranged in the valve hall, the first valve tower is arranged in the valve hall in a floor-to-floor manner, and the second valve tower is inversely arranged on the floor of the valve hall through a preset roof hanging point and a suspension insulator; the distance between two adjacent phases in the same valve tower is not less than 4m.
Furthermore, the valve hall and the starting resistance area are connected through alternating current GIS equipment, a current transformer and an arrester are arranged between the first valve tower and the second valve tower and the corresponding alternating current GIS equipment, and the valve towers, the current transformer, the arrester and the alternating current GIS equipment are connected through flexible wires; and the second valve tower is connected with the GIS equipment by using a GIL pipeline.
Further, the relative distance between the first valve tower and the second valve tower is 3.3-4 m.
The utility model has the beneficial technical effects that: the utility model discloses a thereby the area in valve room has been reduced greatly to the first valve tower and the second valve tower of arranging from top to bottom, props and hangs the area that the scheme was arranged to convolution valve room and has reduced the valve room greatly, and is applicable to the limited area of certain geographical shape, provides new design for engineering from now on.
Drawings
Fig. 1 is a schematic plan view of the present invention;
fig. 2 is a schematic sectional view of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention will be further described with reference to the accompanying drawings and examples.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "lateral", "vertical", and the like are the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1-2, the utility model discloses a 150kV flexible direct current converter station props and hangs convolution valve hall arrangement structure, including valve hall 1 and the valve tower group arranged in this valve hall 1, the valve tower group includes the first valve tower 2 and the second valve tower 3 arranged in the valve hall relatively, the first valve tower 2 falls to the ground and arranges in the valve hall 1, the second valve tower 3 is arranged on the floor of the valve hall 1 through the roof hanging point 4 and the suspension insulator 5 that are preset; the ABC and ABC valve towers are oppositely arranged, one group of valve towers is arranged on the ground, the other group of mirrors is arranged on the floor in an inverted hanging mode, and the arrangement scheme reduces the floor area of approximately half of the valve hall. The relative distance between the first valve tower 2 and the second valve tower 3 is 3.3 to 4m; the distance between two adjacent phases in the same valve tower is not less than 4m. Referring to fig. 1-2, the valve hall 1 is connected with the start resistance area through an ac GIS device 6, a current transformer 7 and a lightning arrester 8 are arranged between the first valve tower 2 and the second valve tower 3 and the corresponding ac GIS device 6, and the valve towers, the current transformer 7, the lightning arrester 8 and the ac GIS device 6 are connected through flexible wires; the second valve tower 3 is connected with the GIS equipment by using a GIL pipeline 9, so that influence caused by cross-over connection among wires does not need to be considered.
The utility model provides a prop and hang convolution valve room arrangement scheme, the arrangement mode of roof truss hoist and mount is comparatively common in the valve room design of extra-high voltage converter station, according to the example analysis in the electric power engineering design manual-converter station design, can see that the load of suspension valve tower is transmitted to the node of roof truss through the girder steel, and the stress path is reasonable; in the example analysis, the span and the height of the valve hall are higher than those of the flexible converter station valve hall, so that the conclusion can be drawn through the analogy method and the stress analysis, and the arrangement mode of roof truss hoisting can be realized and is more reasonable. The layout scheme greatly reduces the floor space of the valve hall, is suitable for certain regions with limited geographic shapes, and provides a new design idea for future projects.
The specific embodiments described herein are merely illustrative of the principles of the present invention and its efficacy, and are not intended to limit the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Therefore, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical idea of the present invention shall be covered by the claims of the present invention.
Claims (3)
1. The utility model provides a 150kV gentle straight converter station prop hang convolution valve hall arrangement structure, includes the valve hall and arranges the valve tower group in this valve hall, its characterized in that: the valve tower group comprises a first valve tower and a second valve tower which are oppositely arranged in the valve hall, the first valve tower is arranged in the valve hall in a floor-falling mode, and the second valve tower is inversely arranged on the floor of the valve hall through a preset roof hanging point and a suspension insulator; the distance between two adjacent phases in the same valve tower is not less than 4m.
2. The porting and hanging combined valve hall arrangement structure of the 150kV flexible direct current converter station according to claim 1, characterized in that: the valve hall is connected with the starting resistance area through alternating current GIS equipment, a current transformer and a lightning arrester are arranged between the first valve tower and the second valve tower and the corresponding alternating current GIS equipment, and the valve towers, the current transformer, the lightning arrester and the alternating current GIS equipment are connected through flexible conductors; and the second valve tower is connected with the GIS equipment by using a GIL pipeline.
3. The porting and hanging combined valve hall arrangement structure of a 150kV flexible direct current converter station according to claim 1 or 2, characterized in that: the relative distance between the first valve tower and the second valve tower is 3.3 to 4m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221665407.2U CN217883239U (en) | 2022-06-30 | 2022-06-30 | Supporting and hanging combined type valve hall arrangement structure of 150kV flexible direct current converter station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221665407.2U CN217883239U (en) | 2022-06-30 | 2022-06-30 | Supporting and hanging combined type valve hall arrangement structure of 150kV flexible direct current converter station |
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| Publication Number | Publication Date |
|---|---|
| CN217883239U true CN217883239U (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221665407.2U Active CN217883239U (en) | 2022-06-30 | 2022-06-30 | Supporting and hanging combined type valve hall arrangement structure of 150kV flexible direct current converter station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116111629A (en) * | 2023-01-31 | 2023-05-12 | 中国华能集团清洁能源技术研究院有限公司 | Offshore flexible straight bridge arm valve tower and alternating current bus same-hall arrangement structure and method |
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2022
- 2022-06-30 CN CN202221665407.2U patent/CN217883239U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116111629A (en) * | 2023-01-31 | 2023-05-12 | 中国华能集团清洁能源技术研究院有限公司 | Offshore flexible straight bridge arm valve tower and alternating current bus same-hall arrangement structure and method |
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