CN214506065U

CN214506065U - 500KV and 220KV indoor substation 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure

Info

Publication number: CN214506065U
Application number: CN202120595284.9U
Authority: CN
Inventors: 邹符波
Original assignee: China Energy Engineering Group Guangdong Electric Power Design Institute Co Ltd
Current assignee: China Energy Engineering Group Guangdong Electric Power Design Institute Co Ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-10-26
Anticipated expiration: 2031-03-23

Abstract

The utility model discloses a 500KV indoor transformer substation 500KV, 220KV homonymy upper and lower double-deck overhead outlet structure, it includes the distribution device building, the distribution device building is equipped with 500KV overhead outlet platform, the top of distribution device building is equipped with 500KV and is qualified for the next round of competitions the framework, 500KV overhead outlet platform's upper portion is equipped with 500KV electricity distribution room, 500KVGIS high-voltage bushing, 500KV arrester and 500KV voltage transformer, 500KV electricity distribution room is equipped with 500KVGIS equipment, 500KVGIS equipment is connected with 500KVGIS high-voltage bushing electricity, 500KV is qualified for the next round of competitions the framework and is connected with 500KVGIS high-voltage bushing, 500KV arrester and 500KV voltage transformer electricity; the lower part of the 500KV overhead outgoing line platform is provided with a 220KV distribution chamber, 220KV distribution chambers are internally provided with 220KVGIS equipment, a 220KV outgoing line framework, a 220KVGIS high-voltage sleeve, a 220KV lightning arrester and a 220KV voltage transformer are arranged on the outdoor ground, the 220KVGIS equipment is electrically connected with the 220KVGIS high-voltage sleeve, and the 220KV outgoing line framework is electrically connected with the 220KVGIS high-voltage sleeve, the 220KV lightning arrester and the 220KV voltage transformer. The utility model discloses make 500KV distribution device and 220KV distribution device's the mode of being qualified for the next round of competitions have occupation space less and fortune dimension advantage with low costs.

Description

500KV and 220KV indoor substation 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure

Technical Field

The utility model relates to a high tension electricity transmission equipment technical field especially relates to an indoor transformer substation of 500KV, double-deck overhead outlet structure about 220KV homonymy.

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 large city centers and to construct economical, environment-friendly and harmonious power grids, the existing 500KV transformer substations are gradually set in an indoor arrangement mode.

According to the understanding, the existing 500KV indoor transformer substation has two outgoing modes, the first mode is a multi-side single-layer overhead outgoing mode, the 500KV power distribution device and the 220KV power distribution device are symmetrically overhead outgoing, the second mode is a cable tunnel outgoing mode, the 500KV power distribution device and the 220KV power distribution device adopt cable tunnels in different directions to be in butt joint with cable layers, and cables with different voltage grades enter the tunnels through the cable layers so as to realize outgoing. However, the above-described prior art has the following problems:

(1) the wire outlet condition requirement of the multi-side single-layer overhead wire outlet mode is higher, the occupied space is more, the removal difficulty is high, and the removal cost is high;

(2) the cable tunnel outlet mode has high engineering cost, the transmission capacity of the cable line is limited, and the operation and maintenance costs of the cable tunnel and the cable line are high

Disclosure of Invention

The utility model aims at: the utility model provides an indoor transformer substation of 500KV, double-deck overhead outlet structure about 220KV homonymy to make 500KV distribution device and 220KV distribution device's the mode of being qualified for the next round of competitions have occupation space less, the construction degree of difficulty is low, the dismantlement degree of difficulty is low and fortune dimension advantage with low costs.

In order to achieve the above object, the utility model provides a 500KV indoor transformer substation 500KV, 220KV homonymy double-deck overhead outlet structure from top to bottom, it includes the distribution device building, the distribution device building is equipped with 500KV and puts on stilts platform of being qualified for the next round of competitions, the top of distribution device building is equipped with 500KV and puts on stilts the skeleton of being qualified for the next round of competitions, 500KV overhead platform's upper portion is equipped with 500KV electricity distribution room, 500KVGIS high-voltage bushing, 500KV arrester and 500KV voltage transformer, 500KV electricity distribution room is equipped with 500KVGIS equipment, 500KVGIS equipment with 500KVGIS high-voltage bushing electricity is connected, 500KV 500 is qualified for the next round of competitions the skeleton through downlead with 500KVGIS high-voltage bushing, 500KV arrester and 500KV voltage transformer electricity is connected;

the lower portion of the 500KV overhead outgoing line platform is provided with a 220KV distribution chamber, 220KV equipment is arranged in the 220KV distribution chamber, a 220KV outgoing line framework, a 220KV VGIS high-voltage sleeve, a 220KV lightning arrester and a 220KV voltage transformer are arranged on the outdoor ground, the 220KV equipment is electrically connected with the 220KV voltage sleeve, and the 220KV outgoing line framework is electrically connected with the 220KV voltage sleeve, the 220KV lightning arrester and the 220KV voltage transformer through down leads.

In some embodiments of the present application, the outlet height of the 500KV outlet frame is 13m higher than the outlet height of the 220KV outlet frame.

In some embodiments of the present application, the outgoing line height of the 500KV outgoing line framework is 39m, and the outgoing line height of the 220KV outgoing line framework is 26 m.

In some embodiments of the present application, the outgoing line height of the 500KV outgoing line framework is 34m, and the outgoing line height of the 220KV outgoing line framework is 21 m.

In some embodiments of the present application, a crawler crane is arranged on the upper portion of the 500KV overhead outgoing line platform.

In some embodiments of the present application, the height of the 500KV overhead outlet platform is 10 m.

The embodiment of the utility model provides an indoor transformer substation 500KV of 500KV, double-deck overhead outlet structure about 220KV homonymy, it compares with prior art, and its beneficial effect lies in:

the 500KV outgoing line framework is arranged at the top end of the power distribution device building, the 500KVGIS equipment, the 500KVGIS high-voltage sleeve, the 500KV lightning arrester and the 500 voltage transformer are arranged above the 500KV overhead outgoing line platform, the 220KVGIS equipment is arranged below the 500KV overhead outgoing line platform, and the 220KV outgoing line framework, the 220KVGIS high-voltage sleeve, the 220KV lightning arrester and the 200 voltage transformer are arranged on the outdoor ground.

Drawings

Fig. 1 is a schematic structural diagram of an upper and lower double-layer overhead outgoing line structure of a 500KV indoor substation 500KV and 220KV in the embodiment of the present invention.

In the figure, 1 KV and 500KV overhead outgoing line platforms are arranged; 2. a 500KV outgoing line framework; 3. 500KV power distribution room; 4. 500KVGIS high voltage bushing; 5. 500KV lightning arrester; 6. 500KV voltage transformer; 7. 500KVGIS equipment; 8. 220KV power distribution room; 9. a 220KV outgoing line framework; 10. a 220KVGIS high voltage bushing; 11. 220KV lightning arrester; 12. a 220KV voltage transformer; 13. 220KVGIS device.

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, the embodiment of the utility model provides a 500KV indoor transformer substation 500KV, 220KV homonymy double-deck overhead outgoing line structure from top to bottom, it includes the distribution device building, the distribution device building is equipped with 500KV overhead outgoing line platform 1, the top of distribution device building is equipped with 500KV outgoing line framework 2, the upper portion of 500KV overhead outgoing line platform 1 is equipped with 500KV electricity distribution room 3, 500KV gis high-voltage bushing 4, 500KV arrester 5 and 500KV voltage transformer 6, be equipped with 500KV gis equipment 7 in the 500KV electricity distribution room 3, 500KV gis equipment 7 is electrically connected with 500KV gis high-voltage bushing, 500KV outgoing line framework 2 is electrically connected with 500KV gis high-voltage bushing 4, 500KV arrester 5 and 500KV voltage transformer 6 through the downlead;

the lower part of the 500KV overhead outgoing line platform 1 is provided with a 220KV distribution chamber 8, the 220KV distribution chamber 8 is internally provided with 220KVGIS equipment 13, a 220KV outgoing line framework 9, a 220KVGIS high-voltage bushing 10, a 220KV lightning arrester 11 and a 220KV voltage transformer 12 are arranged on the outdoor ground, the 220KVGIS equipment 13 is electrically connected with the 220KVGIS high-voltage bushing 10, and the 220KV outgoing line framework 9 is electrically connected with the 220KVGIS high-voltage bushing 10, the 220KV lightning arrester 11 and the 220KV voltage transformer 12 through down-lead wires.

Based on the above arrangement, the 500KV indoor transformer station 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure of the embodiment of the utility model, as the 500KV power distribution device framework 2 is arranged at the top end of the power distribution device building, the 500KVGIS equipment 7, the 500KVGIS high-voltage bushing 4, the 500KV lightning arrester 5 and the 500 voltage transformer are arranged above the 500KV overhead power outlet platform 1, the 220KVGIS equipment 13 is arranged below the 500KV overhead power outlet platform 1, and the 220KV power outlet framework 9, the 220KVGIS high-voltage bushing 10, the 220KV lightning arrester 11 and the 200 voltage transformer are arranged on the outdoor ground, therefore, the 500KV power distribution device and the 220KV power distribution device are arranged in a stacked mode, therefore, the purposes of fully utilizing the internal space of the 500KV indoor transformer substation, occupying less internal space of the 500KV indoor transformer substation, leading out wires easily, saving occupied area, reducing removal amount, reducing construction cost and ensuring output capacity of lines are achieved.

In some embodiments, optionally, as shown in fig. 1, the construction scale of the 500KV indoor substation is that, a 500KV outgoing line: 6, returning; 220KV outgoing line: 8 times.

In some embodiments, as shown in fig. 1, optionally, the 500KV lightning arresters 5 and 220KV lightning arresters are open pillar type zinc oxide lightning arresters, and the 500KV voltage transformers 6 and 220KV voltage transformers are open pillar type capacitor voltage transformers.

In some embodiments, optionally, as shown in fig. 1, when the 500KV outgoing line and the 220KV outgoing line are subjected to outage maintenance at the same time, in order to ensure the live safety distance of the outage maintenance and simultaneously consider the inconsistency between the sag of the 500KV outgoing line and the sag of the 220KV, the outgoing line height of the 500KV outgoing line framework 2 is 13m higher than the outgoing line height of the 220KV outgoing line framework 9.

In some embodiments, optionally, as shown in fig. 1, the outlet height of the 500KV outlet frame 2 is 39m in consideration of the connection height of the line termination tower;

considering the field spanning the long-term 35KV parallel capacitor bank and the 35KV parallel reactor bank, the installation, the overhaul and the hoisting of the parallel capacitor bank and the parallel reactor bank are met for the extension of the long-term 35KV parallel capacitor bank and the 35KV parallel reactor bank, the live operation of the upper 220KV overline is not influenced, and the outgoing line height of the 220KV outgoing line framework 9 is 26 m.

In some embodiments, optionally, as shown in fig. 1, the outlet height of the 500KV outlet frame 2 is 34m in consideration of the connection height of the line termination tower;

also, the outlet height of the 220KV outlet frame 9 is 21m in consideration of the connection height of the line termination tower.

In some embodiments, optionally, as shown in fig. 1, in order to facilitate the transportation and maintenance of the 500KV power distribution apparatus, for a newly-built 500KV power distribution apparatus, a ground truck is used to hoist the 500KV overhead outlet platform 1; meanwhile, a crawler crane is arranged on the upper part of the 500KV overhead outgoing line platform 1, so that the 500KV power distribution device can be conveniently installed and maintained.

In some embodiments, optionally, as shown in fig. 1, the height of the power distribution equipment building is 23m, and the height of the 500KV overhead outlet platform 1 is 10 m.

To sum up, the 500KV indoor transformer substation 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure of the embodiment of the utility model, as the 500KV power distribution device framework 2 is arranged at the top end of the power distribution device building, the 500KVGIS equipment 7, the 500KVGIS high-voltage bushing 4, the 500KV lightning arrester 5 and the 500 voltage transformer are arranged above the 500KV overhead power outlet platform 1, the 220KVGIS equipment 13 is arranged below the 500KV overhead power outlet platform 1, and the 220KV power outlet framework 9, the 220KVGIS high-voltage bushing 10, the 220KV lightning arrester 11 and the 200 voltage transformer are arranged on the outdoor ground, therefore, the 500KV power distribution device and the 220KV power distribution device are arranged in a stacked mode, therefore, the purposes of fully utilizing the internal space of the 500KV indoor transformer substation, occupying less internal space of the 500KV indoor transformer substation, leading out wires easily, saving occupied area, reducing removal amount, reducing construction cost and ensuring output capacity of lines are achieved.

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

1. The 500KV indoor substation 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure is characterized by comprising a power distribution device building, wherein the power distribution device building is provided with a 500KV overhead outgoing line platform, the top end of the power distribution device building is provided with a 500KV outgoing line framework, the upper part of the 500KV overhead outgoing line platform is provided with a 500KV power distribution chamber, a 500KVGIS high-voltage sleeve, a 500KV lightning arrester and a 500KV voltage transformer, 500KVGIS equipment is arranged in the 500KV power distribution chamber and is electrically connected with the 500KVGIS high-voltage sleeve, and the 500KV outgoing line framework is electrically connected with the 500KVGIS high-voltage sleeve, the 500KV lightning arrester and the 500KV voltage transformer through down leads;

2. The 500KV indoor substation 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure of claim 1, wherein the outgoing line height of the 500KV outgoing line framework is 13m higher than that of the 220KV outgoing line framework.

3. The 500KV indoor substation 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure of claim 2, wherein the outgoing line height of the 500KV outgoing line framework is 39m, and the outgoing line height of the 220KV outgoing line framework is 26 m.

4. The 500KV indoor substation 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure of claim 2, wherein the outgoing line height of the 500KV outgoing line framework is 34m, and the outgoing line height of the 220KV outgoing line framework is 21 m.

5. The 500KV indoor substation 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure as claimed in claim 2, wherein a crawler crane is arranged on the upper portion of the 500KV overhead outgoing line platform.

6. The 500KV indoor substation 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure of claim 2, wherein the height of the 500KV overhead outgoing line platform is 10 m.