CN214506064U - 500kV main transformer overhead incoming line structure of 500kV indoor transformer substation - Google Patents
500kV main transformer overhead incoming line structure of 500kV indoor transformer substation Download PDFInfo
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- CN214506064U CN214506064U CN202120590621.5U CN202120590621U CN214506064U CN 214506064 U CN214506064 U CN 214506064U CN 202120590621 U CN202120590621 U CN 202120590621U CN 214506064 U CN214506064 U CN 214506064U
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Abstract
The utility model relates to the technical field of power supply, and discloses a 500kV main transformer overhead incoming line structure of a 500kV indoor transformer substation, which comprises a firewall and a main transformer overhead incoming line platform, wherein the top end of the firewall is provided with a lightning arrester; the firewall and the main transformer overhead incoming line platform are sequentially arranged along the longitudinal direction, a GIS sleeve and a voltage transformer are arranged at the top end of the main transformer overhead incoming line platform, and the GIS sleeve and the voltage transformer are sequentially arranged along the transverse direction; the GIS sleeve is respectively and electrically connected with the voltage transformer and the lightning arrester through flexible conductors, and the lightning arrester is electrically connected with the high-voltage side of the main transformer through a post insulator. The utility model provides an indoor 500kV of transformer substation owner of 500kV becomes built on stilts inlet wire structure to reach that area is little, the engineering volume is little, the cost is low and the purpose that the construction degree of difficulty is little.
Description
Technical Field
The utility model relates to an electric power supply technical field especially relates to an indoor transformer substation 500kV owner of 500kV becomes built on stilts and carries out structure.
Background
With the continuous improvement of the industrialization level, the urban scale is gradually enlarged, the power load density is increased year by year, and the construction of transformer stations in cities becomes a necessary trend. In order to ensure safe and reliable power utilization in the central area of a large city and to construct a saving, environment-friendly and harmonious power grid, the conventional 500kV transformer substation is gradually set in an indoor arrangement mode.
The existing 500kV main transformer inlet wire is an overhead inlet wire, an independent inlet wire framework is arranged, and the height of a wire hanging point is 20 m; in addition, the 500kVGIS sleeve, the incoming line arrester and the voltage transformer are arranged in a longitudinal line. However, the 500kVGIS sleeve, the incoming line arrester and the voltage transformer which are arranged in a longitudinal line shape have the problems of large occupied area, large engineering quantity, high manufacturing cost and large construction difficulty.
Disclosure of Invention
The utility model aims at: the utility model provides an indoor 500kV of transformer substation owner of 500kV becomes built on stilts inlet wire structure to reach that area is little, the engineering volume is little, the cost is low and the purpose that the construction degree of difficulty is little.
In order to realize the above-mentioned purpose, the utility model provides an indoor 500kV of transformer substation main becomes built on stilts inlet wire structure of 500kV, it includes:
the top end of the firewall is provided with a lightning arrester;
the firewall and the main transformer overhead incoming line platform are sequentially arranged along the longitudinal direction, a GIS sleeve and a voltage transformer are arranged at the top end of the main transformer overhead incoming line platform, and the GIS sleeve and the voltage transformer are sequentially arranged along the transverse direction;
the GIS sleeve is respectively and electrically connected with the voltage transformer and the lightning arrester through flexible conductors, and the lightning arrester is electrically connected with the high-voltage side of the main transformer through a post insulator.
In some embodiments of the present application, the lightning arrester, the GIS bushing and the voltage transformer are disposed in a triangular shape.
In some embodiments of the present application, the height of the main transformer overhead incoming line platform is the same as the height of the firewall.
In some embodiments of the present application, the height of the main transformer overhead incoming line platform and the height of the firewall are both 10 m.
In some embodiments of the present application, the top of the firewall is provided with fences along its perimeter.
In some embodiments of the present application, the firewall has a width of 1.12 m.
In some embodiments of the present application, the top end of the main transformer overhead incoming line platform is provided with a crawler crane.
In some embodiments of the present application, the lightning arrester is disposed proximate to the main transformer overhead incoming line platform.
In some embodiments of the present application, the distance between the lightning arrester and the main transformer overhead incoming line platform is 4 m.
The embodiment of the utility model provides an indoor 500kV of transformer substation owner of 500kV becomes built on stilts inlet wire structure, it compares with prior art, and its beneficial effect lies in:
the 500kV main transformer substation 500kV main transformer overhead incoming line structure provided by the embodiment of the utility model has the advantages that the lightning arrester is arranged at the top end of the firewall, the firewall and the main transformer overhead incoming line platform are sequentially arranged along the longitudinal direction, and the GIS sleeve and the voltage transformer are sequentially arranged along the transverse direction, so that the arrangement among the lightning arrester, the GIS sleeve and the voltage transformer is not completely and sequentially arranged along the longitudinal direction, the size of the main transformer overhead incoming line platform in the longitudinal direction is reduced, the occupied area is saved, the construction engineering amount is reduced, the construction difficulty is reduced, and the civil engineering cost is saved; in addition, because the arrester sets up in preventing hot wall to make full use of prevents hot wall's space, improves the space utilization who makes perfect use of this 500kV indoor transformer substation 500kV owner become built on stilts inlet wire structure.
Drawings
Fig. 1 is one of the structure schematic diagram of the 500kV main transformer overhead incoming line structure of the 500kV indoor substation of the embodiment of the utility model.
Fig. 2 is the utility model discloses 500kV of indoor transformer substation of 500kV owner becomes built on stilts inlet wire structure's structural schematic diagram two.
In the figure, 1, a firewall; 2. a lightning arrester; 3. a main transformer overhead incoming line platform; 4. a GIS sleeve; 5. a voltage transformer; 6. a post insulator; 7. and (4) fencing.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1 and 2, an embodiment of the present invention provides a 500kV main transformer overhead incoming line structure of a 500kV indoor substation, which includes a firewall 1 and a main transformer overhead incoming line platform 3, wherein a lightning arrester 2 is disposed at a top end of the firewall 1; the firewall 1 and the main transformer overhead incoming line platform 3 are sequentially arranged along the longitudinal direction, a GIS sleeve 4 and a voltage transformer 5 are arranged at the top end of the main transformer overhead incoming line platform 3, and the GIS sleeve 4 and the voltage transformer 5 are sequentially arranged along the transverse direction; the GIS sleeve 4 is respectively electrically connected with the voltage transformer 5 and the lightning arrester 2 through flexible conductors, and the lightning arrester 2 is electrically connected with the high-voltage side of the main transformer through a post insulator 6.
Based on the above arrangement, the 500kV main transformer overhead incoming line structure of 500kV indoor substation of the embodiment of the present invention, because the top end of the firewall 1 is provided with the arrester 2, the firewall 1 and the main transformer overhead incoming line platform 3 are sequentially arranged along the longitudinal direction, and the GIS bushing 4 and the voltage transformer 5 are sequentially arranged along the transverse direction, therefore, the arrangement among the arrester 2, the GIS bushing 4 and the voltage transformer 5 is not sequentially arranged along the longitudinal direction, the size of the main transformer overhead incoming line platform 3 in the longitudinal direction is reduced, the occupied area is saved, the construction engineering amount is reduced, the construction difficulty is reduced, and the civil engineering cost is saved; in addition, the lightning arrester 2 is arranged on the firewall 1, so that the space of the firewall 1 is fully utilized, and the space utilization rate of the 500kV main transformer overhead incoming line structure of the 500kV indoor transformer substation is improved.
In some embodiments, optionally, as shown in fig. 1 and 2, in order to further reduce the floor area of the lightning arrester 2, the GIS bushing 4, and the voltage transformer 5, the lightning arrester 2, the GIS bushing 4, and the voltage transformer 5 are arranged in a triangle, the side of the fire wall 1 in the longitudinal direction is a longitudinal side, and the side of the main transformer overhead incoming line platform 3 in the transverse direction is a transverse side, and it is found through tests that when a connecting line between the center of the lightning arrester 2 and the center of the GIS bushing 4 is parallel to the longitudinal side of the fire wall 1, and a connecting line between the center of the GIS bushing 4 and the center of the voltage transformer 5 is parallel to the transverse side of the fire wall 1, the floor area of the lightning arrester 2, the GIS bushing 4, and the voltage transformer 5 is the smallest.
In some embodiments, optionally, as shown in fig. 1 and 2, the height of the main transformer overhead incoming line platform 3 is the same as that of the firewall 1, so that the main transformer overhead incoming line platform 3 and the firewall 1 are seamlessly butted, and the main transformer overhead incoming line platform 3 and the firewall 1 are interconnected and intercommunicated, thereby greatly improving the operation and maintenance environment. Preferably, the height of the main transformer overhead incoming line platform 3 and the height of the firewall 1 are both 10 m.
In some embodiments, optionally, as shown in fig. 2, the top end of the firewall 1 is provided with a fence 7 along its periphery, so that the top end of the firewall 1 serves as an inspection platform, thereby facilitating the operation of an operator on the top end of the firewall 1; in addition, the fence 7 not only facilitates the operation safety of the operator at the top end of the firewall 1, but also facilitates the test and maintenance of the lightning arrester 2.
In some embodiments, optionally, as shown in fig. 1 and 2, the width of the firewall 1 is 1.12m, thereby facilitating not only the placement of the lightning arrester 2, but also the testing and maintenance of the lightning arrester 2 by an operator.
In some embodiments, optionally, as shown in fig. 1, a crawler crane is disposed at the top end of the main-transformer overhead incoming line platform 3, and when the GIS bushings 4 and the voltage transformers 5 on the main-transformer overhead incoming line platform 3 need to be expanded, an operator installs and overhauls the GIS bushings 4 and the voltage transformers 5 through the crawler crane;
in addition, for newly-built GIS sleeve pipe 4 and voltage transformer 5, can adopt the ground car, with GIS sleeve pipe 4 and voltage transformer 5 hoist and mount to the overhead inlet wire platform 3's of main transformer top end and install can.
In some embodiments, optionally, as shown in fig. 1, the lightning arrester 2 is disposed close to the main transformer overhead incoming line platform 3, so as to reduce the tension of the wires for connecting the lightning arrester 2 with the GIS bushing 4 and to meet the stress of the terminal block corresponding to the lightning arrester 2; in addition, the post insulator 6 can also reduce the tension between the lightning arrester 2 and the lead wire of the main transformer, and make the stress of the terminal board corresponding to the lightning arrester 2 meet the requirement.
In addition, through the test discovery, when the distance between lightning arrester 2 and the main built on stilts inlet wire platform 3 of becoming is 4m, the pulling force of the wire for connecting lightning arrester 2 and GIS sleeve pipe 4 is minimum, and the atress effect of the terminal block corresponding with lightning arrester 2 is best.
To sum up, the 500kV main transformer overhead incoming line structure of 500kV indoor substation of the embodiment of the present invention, because the top end of the firewall 1 is provided with the arrester 2, the firewall 1 and the main transformer overhead incoming line platform 3 are sequentially arranged along the longitudinal direction, and the GIS bushing 4 and the voltage transformer 5 are sequentially arranged along the transverse direction, therefore, the arrangement among the arrester 2, the GIS bushing 4 and the voltage transformer 5 is not all sequentially arranged along the longitudinal direction, thereby compressing the size of the main transformer overhead incoming line platform 3 in the longitudinal direction, saving the occupied area, reducing the construction engineering amount, reducing the construction difficulty, and saving the civil engineering cost; in addition, the lightning arrester 2 is arranged on the firewall 1, so that the space of the firewall 1 is fully utilized, and the space utilization rate of the 500kV main transformer overhead incoming line structure of the 500kV indoor transformer substation is improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides an indoor transformer substation 500kV of 500kV becomes built on stilts inlet wire structure which characterized in that includes:
the top end of the firewall is provided with a lightning arrester;
the firewall and the main transformer overhead incoming line platform are sequentially arranged along the longitudinal direction, a GIS sleeve and a voltage transformer are arranged at the top end of the main transformer overhead incoming line platform, and the GIS sleeve and the voltage transformer are sequentially arranged along the transverse direction;
the GIS sleeve is respectively and electrically connected with the voltage transformer and the lightning arrester through flexible conductors, and the lightning arrester is electrically connected with the high-voltage side of the main transformer through a post insulator.
2. The 500kV indoor substation 500kV main transformer overhead incoming line structure of claim 1, wherein the arrester, the GIS bushing and the voltage transformer are arranged in a triangle.
3. The 500kV indoor substation 500kV main transformer overhead incoming line structure of claim 1, wherein the height of the main transformer overhead incoming line platform is the same as the height of the firewall.
4. The 500kV indoor substation 500kV main transformer overhead incoming line structure of claim 3, wherein the height of the main transformer overhead incoming line platform and the height of the firewall are both 10 m.
5. The 500kV indoor substation 500kV main transformer overhead incoming line structure of claim 3, wherein the top end of the firewall is provided with a fence along its periphery.
6. The 500kV indoor substation 500kV main transformer overhead incoming line structure of claim 3, wherein the width of the firewall is 1.12 m.
7. The 500kV indoor substation 500kV main transformer overhead incoming line structure of claim 3, wherein a crawler crane is arranged on the top end of the main transformer overhead incoming line platform.
8. The 500kV indoor substation 500kV main transformer overhead incoming line structure of claim 3, wherein the arrester is disposed proximate to the main transformer overhead incoming line platform.
9. The 500kV indoor substation 500kV main transformer overhead incoming line structure of claim 3, wherein the distance between the arrester and the main transformer overhead incoming line platform is 4 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120590621.5U CN214506064U (en) | 2021-03-23 | 2021-03-23 | 500kV main transformer overhead incoming line structure of 500kV indoor transformer substation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120590621.5U CN214506064U (en) | 2021-03-23 | 2021-03-23 | 500kV main transformer overhead incoming line structure of 500kV indoor transformer substation |
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| CN214506064U true CN214506064U (en) | 2021-10-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114400514A (en) * | 2021-12-31 | 2022-04-26 | 广东顺德电力设计院有限公司 | GIS power distribution unit's outlet structure and GIS transformer substation |
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2021
- 2021-03-23 CN CN202120590621.5U patent/CN214506064U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114400514A (en) * | 2021-12-31 | 2022-04-26 | 广东顺德电力设计院有限公司 | GIS power distribution unit's outlet structure and GIS transformer substation |
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