CN214478482U

CN214478482U - Double-layer outgoing line structure of GIS power distribution device

Info

Publication number: CN214478482U
Application number: CN202120582965.1U
Authority: CN
Inventors: 陈秋南
Original assignee: China Power Engineering Consulting Group East China Electric Power Design Institute Co Ltd
Current assignee: China Power Engineering Consulting Group East China Electric Power Design Institute Co Ltd
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-10-22
Anticipated expiration: 2031-03-18

Abstract

The utility model belongs to the technical field of power equipment, a double-deck outlet structure of GIS distribution device is related to, including GIS to and the first framework of being qualified for the next round of competitions and the second framework of being qualified for the next round of competitions of setting in the GIS left and right sides, GIS's the direction of being qualified for the next round of competitions orientation is first the framework of being qualified for the next round of competitions or the second framework of being qualified for the next round of competitions, and adjacent GIS is qualified for the next round of competitions opposite direction, first being qualified for the next round of competitions on the framework links to each other with the first GIS of being qualified for the next round of competitions of orientation framework, the second of being qualified for the next round of competitions on the framework of the second is qualified for the next round of competitions with the GIS of orientation second framework of being qualified for the next round of competitions, first being qualified for the next round of competitions and being qualified for the next round of competitions through insulator chain with the next round of being qualified for the next round of. The utility model discloses can be applicable to various types of outdoor GIS distribution device, arrange the restricted condition of size in the place very much under, can satisfy the demand of more return lines, have reasonable in design, compact structure, area is little, space utilization is high, and the suitability is strong, advantages such as economic benefits and social are good.

Description

Double-layer outgoing line structure of GIS power distribution device

Technical Field

The utility model belongs to the technical field of power equipment, concretely relates to double-deck outlet structure of GIS distribution device.

Background

With the acceleration of the urbanization process, more and more transformer substations are built in load centers such as urban areas, and therefore, Gas Insulated Switchgear (GIS) which occupies less land and is more environment-friendly is also more applied. The GIS organically combines primary equipment except a transformer in a transformer substation, including a circuit breaker, an isolating switch, a grounding switch, a voltage transformer, a current transformer, a lightning arrester, a bus, a cable terminal, an inlet and outlet bushing and the like into a whole through optimized design.

The overhead outgoing line of the conventional outdoor GIS substation is influenced by a door-shaped framework, the outgoing line is arranged in a row, if the 220kV GIS power distribution device of the 500kV substation is arranged, GIS equipment is arranged in a row and is intensively arranged according to the outgoing line direction of a line, the occupied area of the GIS power distribution device needs to be increased in the same proportion when the outgoing line scale is increased due to the limitation of the width of the outgoing line interval, and for some engineering projects limited by sites, the GIS arrangement scheme of the conventional single-layer outgoing line cannot be arranged, and the requirement of more outgoing lines cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that current GIS layout scheme area is big, a reasonable in design of design, compact structure, area is little, and space utilization is high, and the suitability is strong, the double-deck outlet structure of GIS distribution device that economic benefits and social are good.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a double-deck outlet structure of GIS distribution device, includes GIS to and set up the first framework of being qualified for the next round of competitions and the second framework of being qualified for the next round of competitions in the GIS left and right sides, GIS's the direction of being qualified for the next round of competitions towards the first framework of being qualified for the next round of competitions or the second framework of being qualified for the next round of competitions, and two adjacent GIS outlet directions are opposite, the first GIS of being qualified for the next round of competitions on the framework links to each other with the GIS of the first framework of being qualified for the next round of competitions of orientation, the second on the second framework of being qualified for the next round of competitions is qualified for the next round of competitions with the GIS of the second framework of being qualified for the next round of competitions, the first top that sets up being qualified for the next round of competitions at the second.

Preferably, the outgoing directions of the two adjacent GIS are opposite, one loop of the outgoing line of the GIS faces the first outgoing line framework, and the other loop of the outgoing line of the GIS faces the second outgoing line framework.

Preferably, the first outgoing line and the second outgoing line are respectively fixed on the first outgoing line framework and the second outgoing line framework through insulator strings.

Preferably, the height of the first wire outlet framework is 21m, and the height of the second wire outlet framework is 14 m.

Preferably, the upper end of the first outgoing line framework is provided with a vertically arranged lightning conductor post, the height of the lightning conductor post is 28.5m, and a line lightning conductor is suspended on the lightning conductor post.

Preferably, the first outgoing line framework is further connected with a main transformer incoming line, and the main transformer incoming line is arranged at a GIS interval middle neutral position of the two reverse outgoing lines.

After the technical scheme is adopted, the utility model provides a pair of double-deck outlet structure of GIS distribution device has following beneficial effect:

the utility model discloses it adopts reverse arrangement to be qualified for the next round of competitions two adjacent return GIS to share a pin framework with GIS owner's inlet wire, make GIS reverse outlet wire high-order arrangement, GIS forward outlet wire low-order arrangement, thereby form the arrangement pattern that GIS double-deck was qualified for the next round of competitions, not only make full use of vertical space, also be favorable to optimizing distribution device's overall width, the scale of being qualified for the next round of competitions is obviously increased when not obviously increasing the occupation of land, reduce area; meanwhile, the main transformer incoming line interval branch bus is prolonged and arranged at the middle neutral position of the GIS interval of the two reverse outgoing lines, so that the arrangement of a GIS power distribution device is more compact and reasonable, the occupied area is further reduced, and the engineering investment is reduced; therefore, the utility model discloses can be applicable to various types of outdoor GIS distribution device, arrange under the restricted condition of size in the place very much, can satisfy the demand of more return lines, have reasonable in design, compact structure, area is little, and space utilization is high, and the suitability is strong, advantages such as economic benefits and social are good.

Drawings

Fig. 1 is a schematic cross-sectional view of a double-layer outgoing line structure of a GIS distribution device of the present invention;

fig. 2 is the utility model relates to a GIS distribution device double-deck outlet structure's plane arrangement diagram.

Wherein: GIS1, first framework 2 of being qualified for next round of competitions, second framework 3 of being qualified for next round of competitions, first 4, the second of being qualified for next round of competitions 5, insulator chain 6, lightning conductor post 7, line lightning conductor 8, main incoming line 9 that becomes.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The utility model relates to a double-deck outlet structure of GIS distribution device, as shown in fig. 1, including GIS1 to and set up the first framework 2 and the second framework 3 of being qualified for the next round of competitions of the GIS1 left and right sides, GIS 1's the direction of being qualified for the next round of competitions towards first framework 2 or the second framework 3 of being qualified for the next round of competitions, and double-phase adjacent GIS1 opposite direction that is qualified for the next round of competitions, first 4 of being qualified for the next round of competitions on the framework 2 link to each other with the first GIS1 of framework 2 of being qualified for the next round of competitions of orientation, the second that the second was qualified for the next round of competitions on the framework 3 is qualified for the next round of competitions 5 with the GIS1 of the second framework 3, first 4 settings of being qualified for the next round of competitions in the second 5 top.

Furthermore, the two adjacent GISs 1 have opposite outgoing directions, one GIS1 outgoing line faces a first outgoing line framework 2, the other GIS1 outgoing line faces a second outgoing line framework 3, the first outgoing line 4 and the second outgoing line 5 are respectively fixed on the first outgoing line framework 2 and the second outgoing line framework 3 through insulator strings 6, the height of the first outgoing line framework 2 is 21m, the height of the second outgoing line framework 3 is 14m, a vertically arranged lightning conductor column 7 is arranged at the upper end of the first outgoing line framework 2, the height of the lightning conductor column 7 is 28.5m, a line lightning conductor 8 is hung on the lightning conductor column 7, the first outgoing line framework 2 is further connected with a main incoming line 9, the main transformer incoming line interval branch bus of the GIS1 is extended to meet the requirement that the main transformer incoming line interval of the GIS1 and the outgoing line interval of the GIS1 are different, the GIS1 incoming line interval is arranged at a neutral position between the two opposite outgoing lines, the double-layer outgoing line structure of the GIS power distribution device is more compact and reasonable, the occupied area is further reduced, and the engineering investment is reduced.

The utility model relates to a when GIS distribution device double-deck outlet structure embodies to tin-free south 500kV transformer substation for example, as shown in FIG. 2, this station 220kV distribution device adopts the two segmentation wiring of double bus, and the west is 1M 2M, and the east is 3M 4M. According to the line outgoing conditions, 8 loops of overhead outgoing lines (to Zhanggong bridge, Yangxi, red flag and reserved 2 loops) in the west side area (1M/2M) of the 220kV section of the project are arranged by adopting high-low double-layer outgoing lines, and the method specifically comprises the following steps: the Yangxing 2 times and the red flag 2 times share a group of double-layer outgoing line frameworks, and the Zhang public bridge 2 times and the reserved 2 times share a group of double-layer outgoing line frameworks. The height of an outgoing line hanging point of the south two-span framework (the second outgoing line framework 3) is 14m, the width of the framework is 26m, the height of an outgoing line hanging point of the north two-span framework (the first outgoing line framework 2) is 21m, the widths of the frameworks are respectively 32m and 26m, and the north two-span framework (the first outgoing line framework 2) is utilized by main incoming lines of #1 and # 2.

For example, a 2-time/2-time double-layer outgoing line arrangement of the Yangmi/red flag is adopted, and the red flag 2 is outgoing to the south by utilizing a south side low framework (a second outgoing line framework 3); the Yangxi 2-time GIS equipment is reversely arranged, wires are reversely led out to the north, and then are overhead-led out to the south by utilizing a north high framework (a first wire outlet framework 2); the GIS arrangement of the double-layer outgoing line of the Yangmi 2-turn/red flag 2-turn is formed, and meanwhile, a #2 main incoming line is arranged at a neutral position in the middle of a GIS interval (the double-layer outgoing line GIS interval of the Yangmi/red flag) of two reverse outgoing lines by utilizing a north side high framework (a first outgoing line framework 2).

To sum up, the utility model provides a pair of double-deck outlet structure of GIS distribution device, applicable in various types of outdoor GIS distribution device, arrange the restricted condition in size in the place very much under, can satisfy the demand of more return lines, have reasonable in design, compact structure, area is little, space utilization is high, the suitability is strong, advantages such as economic benefits and social are good.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a double-deck outlet structure of GIS distribution device which characterized in that: including GIS (1) to and set up the first framework (2) and the second framework (3) of being qualified for the next round of competitions of GIS (1) left and right sides, GIS (1) the direction of being qualified for the next round of competitions is towards first framework (2) or the second framework (3) of being qualified for the next round of competitions, and two adjacent GIS (1) the direction of being qualified for the next round of competitions is opposite, first play line (4) on the first framework (2) of being qualified for the next round of competitions links to each other with GIS (1) towards first framework (2) of being qualified for the next round of competitions, second play line (5) on the second framework (3) of being qualified for the next round of competitions links to each other with GIS (1) towards second framework (3) of being qualified for the next round of competitions, first play line (4) set up in the second top of being qualified for the next round of competitions (5).

2. The double-layer outgoing line structure of the GIS power distribution device of claim 1, characterized in that: the outgoing directions of two adjacent GIS (1) are opposite, one GIS (1) outgoing line faces to the first outgoing line framework (2), and the other GIS (1) outgoing line faces to the second outgoing line framework (3).

3. The double-layer outgoing line structure of the GIS power distribution device of claim 1, characterized in that: the first outgoing line (4) and the second outgoing line (5) are respectively fixed on the first outgoing line framework (2) and the second outgoing line framework (3) through insulator strings (6).

4. The double-layer outgoing line structure of the GIS power distribution device of claim 1, characterized in that: the height of the first wire outlet framework (2) is 21m, and the height of the second wire outlet framework (3) is 14 m.

5. The double-layer outgoing line structure of the GIS power distribution device of claim 1, characterized in that: the upper end of the first outgoing line framework (2) is provided with a vertically arranged lightning conductor post (7), the height of the lightning conductor post (7) is 28.5m, and a line lightning conductor (8) is hung on the lightning conductor post (7).

6. The double-layer outgoing line structure of the GIS power distribution device of claim 1, characterized in that: the first outgoing line framework (2) is further connected with a main transformer incoming line (9), and the main transformer incoming line (9) is arranged at a middle neutral position of a GIS interval of two reverse outgoing lines.