CN215119560U - Single-pin joint-frame wire inlet and outlet structure of 110kV power distribution device - Google Patents
Single-pin joint-frame wire inlet and outlet structure of 110kV power distribution device Download PDFInfo
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- CN215119560U CN215119560U CN202121484939.1U CN202121484939U CN215119560U CN 215119560 U CN215119560 U CN 215119560U CN 202121484939 U CN202121484939 U CN 202121484939U CN 215119560 U CN215119560 U CN 215119560U
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Abstract
The utility model discloses a 110kV distribution device single pin joint frame business turn over line structure for it is great to solve the business turn over line joint frame lateral length among the prior art, with the big problem of steel volume and area. The method comprises the following steps: the outgoing line of the GIS combined equipment is arranged at the middle position of the interval of two main transformers at intervals, the combined framework is a single-row framework, 9 insulator string hanging points are arranged on a framework beam, and the distance between every two adjacent insulator string hanging points is 2 meters; the middle three hanging points on the framework beam are used for hanging three-phase outgoing line wires and corresponding outgoing line insulator strings, the left side and the right side of the framework beam are respectively used for hanging the three-phase incoming line wires of a main transformer and the corresponding main transformer insulator strings, and the outermost side of each main transformer insulator string is hung at the end position of the framework beam. The combined structure beam has the beneficial effects that the form of the inlet and outlet line frame is optimized, the span of the inlet and outlet line combined frame beam is reduced, and the occupied area of the combined frame is reduced, so that the land is saved, and the steel consumption is reduced.
Description
Technical Field
The utility model relates to an electrical engineering technical field especially relates to a 110kV distribution device single pin joint frame business turn over line structure.
Background
With the increasing demand of electricity utilization in recent years in China, the construction of electric power infrastructure is particularly urgent. The construction of the transformer substation is one of important links, particularly in urban planning areas, the site selection of the transformer substation is increasingly difficult, the land acquisition cost is increased year by year, and how to more effectively save land for the transformer substation is a problem to be solved urgently at present.
The transformer substation framework is conventionally arranged in a mode of one beam at a distance or two beams at a distance. In a new energy booster station, the scale of a 110kV power distribution device is mainly two main transformers with an outgoing line, three intervals are provided in total, the incoming line and the outgoing line adopt a single-row framework scheme, if one beam is provided at one interval, three beams are required, and the transverse total length of the framework is about 23 m; if two beams are separated by one beam, one beam is needed to be separated by two beams and one beam is needed to be separated by one beam, and the total length of the frame is 21 m. The structure not only occupies a large area, but also uses a large amount of steel due to the large span of the beam.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a 110kV distribution device single pin joint frame business turn over line structure for solve among the prior art 110kV distribution device adoption business turn over line joint frame, lateral length is great, and is big with the steel volume, and the big problem of area.
A110 kV distribution device single-truss joint-frame wire inlet and outlet structure comprises: the outgoing line of the GIS combined equipment is arranged at the middle position of the interval of two main transformers at intervals, the combined framework is a single-row framework, 9 insulator string hanging points are arranged on a framework beam, and the distance between every two adjacent insulator string hanging points is 2 meters; the middle three hanging points on the framework beam are used for hanging three-phase outgoing line wires and corresponding outgoing line insulator strings, the left side and the right side of the framework beam are respectively used for hanging the three-phase incoming line wires of a main transformer and the corresponding main transformer insulator strings, and the outermost side of each main transformer insulator string is hung at the end position of the framework beam.
Preferably, each section of main bus between two main transformer intervals, one outgoing line interval and one bus equipment interval of the GIS combined equipment is connected in a straight line shape, wherein the distances between the outgoing line interval and the main transformer intervals on two sides are all 6 meters, and the bus equipment interval is positioned between one main transformer interval and the outgoing line interval.
Preferably, suspension insulator string suspension points are respectively arranged below the middle three suspension points on a framework beam of the combined framework, A, B, C three-phase outgoing wires are led out from a GIS outgoing bushing, the three-phase outgoing wires are transited to the outgoing insulator strings through the suspension insulator strings connected to the framework beam and then are outgoing, and the outgoing insulator strings are positioned on one side, far away from the GIS combined equipment, of the framework beam.
Preferably, a lightning arrester is arranged below a suspension insulator string hung on a three-phase outgoing line lead drawn out of A, B, C by a GIS outgoing line sleeve respectively, a down lead between the suspension insulator string and the GIS outgoing line sleeve is connected with the lightning arrester, a voltage transformer and the three lightning arresters are arranged side by side and close to an A-phase outgoing line, and the A-phase outgoing line is connected to the voltage transformer.
Preferably, main transformer A, B, C three-phase inlet wire lead is hung on the framework beam through a main transformer insulator string, the main transformer insulator string is positioned at one side close to the GIS combination equipment, and the three-phase inlet wire lead is connected to a main transformer sleeve of the GIS combination equipment below through respective downlead.
Preferably, a ladder stand is arranged on the framework column of the combined framework.
Preferably, the length of the framework beams of the combined framework is 16 m.
The utility model discloses beneficial effect includes: a framework solution is provided for 110kV one-line two-variable scale, one truss and one beam are integrally adopted, the length of the framework beam is about 16 meters, outgoing lines are arranged between two main transformers at intervals, the main transformers are connected with tension string spacing edges in series at the end of the framework, the distance from the tension string to a framework column is saved, and the arrangement of one truss at three intervals is realized. The structure form of the inlet and outlet wire frames and the inlet and outlet wire structures are optimized, the span of the inlet and outlet wire combined frame beam is reduced, the occupied area of the combined frame is reduced, the land is saved, the steel consumption is reduced, the construction period of the new energy booster station is shortened, the requirement of the new energy project on grid-connected power generation time can be effectively met, and meanwhile, the smooth circuit connection is guaranteed. The length of a GIS main bus is reduced, the investment cost of construction projects is reduced, and the investment income is increased.
Drawings
Fig. 1 is a schematic top view of a single-pin joint-frame wire inlet and outlet structure of a 110kV power distribution device in an embodiment of the present invention;
fig. 2 is another schematic view of a top view structure of a single-pin joint frame wire inlet and outlet structure of a 110kV power distribution device in an embodiment of the present invention;
FIG. 3 is a schematic side view of the main transformer space according to the embodiment of the present invention;
fig. 4 is a schematic side view of the outlet interval in the embodiment of the present invention;
fig. 5 is a schematic structural view of an arrester and a voltage transformer in an embodiment of the present invention;
fig. 6 is a perspective structural diagram of the joint frame according to the embodiment of the present invention.
Detailed Description
In order to provide a characteristics that combines the new forms of energy booster station, optimize the integration to the joint framework of business turn over line, reduce cost reduces the new forms of energy booster station area's realization scheme, the embodiment of the utility model provides a 110kV distribution device single pin joint framework business turn over line structure, it is right below to combine the description drawing the utility model discloses an preferred embodiment explains.
Referring to fig. 1 and 2, a single-truss combined-frame wire inlet and outlet structure of a 110kV power distribution device comprises: the outgoing line of the GIS combined equipment is arranged at the middle position of the interval of two main transformers at intervals, the combined framework is a single-row framework, 9 insulator string hanging points 101 are arranged on a framework beam 1, and the distance between every two adjacent insulator string hanging points 101 is 2 meters; three hanging points in the middle of the framework beam 1 are used for hanging three-phase outgoing line wires 2 and corresponding outgoing line insulator strings 3, three hanging points on the left side and the right side of the framework beam 1 are used for being hung on three-phase incoming line wires 4 of main transformers and corresponding main transformer insulator strings 5, and the outermost side of each main transformer insulator string 5 is hung on the end position of the framework beam 1 in series.
Specifically, the combined frame is set to be a combined door-shaped frame, the length of the frame beam 1 is 16 meters, two ends of the frame beam 1 are respectively provided with a hanging point, other hanging points are uniformly distributed on the frame beam 1, and the frame beam 1 is arranged at a position 10 meters away from the ground. Under the design requirement of at least 9 hitching points, the framework span is compressed by about thirty percent only through calculation of the span, and the steel is saved by about thirty-four percent through calculation of the steel amount used for the framework. Each section of main bus between two main transformer intervals, one outgoing line interval and one bus equipment interval of the GIS combined equipment is connected in a straight line shape, wherein the distances between the outgoing line interval and the main transformer intervals on two sides are all 6 meters, and the bus equipment interval is positioned between one main transformer interval and the outgoing line interval.
Referring to fig. 3, a main transformer A, B, C three-phase incoming line conductor 4 is hung on a framework beam 1 through a main transformer insulator string 5, the main transformer insulator string 5 is located at one side close to a GIS combined device, and the three-phase incoming line conductor 4 is connected to a main transformer bushing 7 of the lower GIS combined device through respective down lead 6. In fig. 1, the distance between the main transformers A, B, C on the left side and the right side is two meters, and the main transformers are hung on a framework through insulator strings and connected to a GIS main transformer bushing 7 through a down conductor 6.
Referring to fig. 4, suspension insulator string 8 and insulator string suspension points 101 are respectively arranged below the middle three suspension points on a framework beam 1 of the combined framework, A, B, C three-phase outgoing wires 2 are led out from a GIS outgoing bushing, the three-phase outgoing wires 2 are led out after being transited to outgoing insulator strings 3 through the suspension insulator strings 8 connected to the framework beam 1, and the outgoing insulator strings 3 are located on one side, far away from GIS combination equipment, of the framework beam 1. In fig. 1, distances between upward A, B, C three-phase outgoing conductors 2 are required to be spaced by two meters, outgoing insulator strings 3 and main transformer insulator strings 5 are respectively located on two sides of a framework beam 1, the A, B, C three-phase outgoing conductors 2 are hung on the framework beam 1 through the outgoing insulator strings 3, then are transited through corresponding suspension insulator strings 8 and are connected to outgoing line sleeves through down leads 6, and the suspension insulator strings 8 are vertically connected below the framework beam 1.
Referring to fig. 5, a lightning arrester 9 is respectively arranged below a suspension insulator string 8 hung on a A, B, C three-phase outgoing line conductor 2 led out from a GIS outgoing line sleeve 10, a down lead 6 between the suspension insulator string 8 and the GIS outgoing line sleeve 10 is connected to the lightning arrester 9, a voltage transformer 11 and the three lightning arresters 9 are arranged side by side and close to an A-phase outgoing line, and the A-phase outgoing line is connected to the voltage transformer 11. This arrangement provides for the condition that the outgoing single-phase voltage transformer 11 is arranged on the same horizontal line as the arrester 9.
Referring to fig. 6, a ladder stand is arranged on a frame post 102 of the combined frame, wherein the ladder stand is arranged at the position of a circle slash marked on the frame post 102.
In conclusion, the wire inlet and outlet structure of the GIS combined equipment greatly shortens the framework span under the condition of ensuring safe short distance and smooth wiring, the GIS combined equipment is arranged more compactly, the length of a bus is saved, the initial investment of a project is effectively reduced, and the safety and reliability are also ensured. The new energy booster station has the advantages of reducing the occupied area, saving land resources, and enabling the whole layout of the booster station to be reasonable and compact and to be convenient to operate. Meanwhile, by combining the process requirements, accident oil collecting wells are arranged nearby by utilizing scattered open spaces in the station, and equipment and buildings which are arranged in a scattered manner such as variation are used for the temporary station.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A110 kV distribution device single-truss combined-framework access line structure is characterized by comprising: the outgoing line of the GIS combined equipment is arranged at the middle position of the interval of two main transformers at intervals, the combined framework is a single-row framework, 9 insulator string hanging points are arranged on a framework beam, and the distance between every two adjacent insulator string hanging points is 2 meters; the middle three hanging points on the framework beam are used for hanging three-phase outgoing line wires and corresponding outgoing line insulator strings, the left side and the right side of the framework beam are respectively used for hanging the three-phase incoming line wires of a main transformer and the corresponding main transformer insulator strings, and the outermost side of each main transformer insulator string is hung at the end position of the framework beam.
2. The single-truss combined-framework access line structure of a 110kV power distribution device according to claim 1, wherein each section of main bus between two main transformer intervals, an outgoing line interval and a bus equipment interval of the GIS combined equipment is connected in a straight line shape, wherein the distances between the outgoing line interval and the main transformer intervals on two sides are both 6 meters, and the bus equipment interval is located in the middle position of one main transformer interval and the outgoing line interval.
3. The single-truss combined-framework wire inlet and outlet structure of the 110kV power distribution device as claimed in claim 1, wherein suspension insulator string suspension points are further arranged on the framework beams of the combined framework below the three middle suspension points, A, B, C three-phase wire outlet leads are led out from the GIS wire outlet sleeve, the three-phase wire outlet leads are led out after being transited to the wire outlet insulator string through the suspension insulator string connected to the framework beams, and the wire outlet insulator string is positioned on one side of the framework beams far away from the GIS combined equipment.
4. The single-truss combined-framework incoming and outgoing line structure of the 110kV power distribution device as claimed in claim 3, wherein a lightning arrester is respectively arranged below a suspension insulator string hung on a A, B, C three-phase outgoing line lead led out from a GIS outgoing line sleeve, an outgoing line from the suspension insulator string to the GIS outgoing line sleeve is connected to the lightning arrester, a voltage transformer is arranged side by side with the three lightning arresters and close to an A-phase outgoing line, and the A-phase outgoing line is connected to the voltage transformer.
5. The single-truss combined-framework access line structure of the 110kV power distribution device according to claim 3, wherein a main transformer A, B, C three-phase incoming line lead is hung on a framework beam through a main transformer insulator string, the main transformer insulator string is positioned at one side close to GIS combined equipment, and the three-phase incoming line lead is connected to a main transformer bushing of the GIS combined equipment below through respective downlead.
6. The single-truss combined-framework access line structure of the 110kV power distribution device as claimed in claim 1, wherein a ladder stand is arranged on a framework column of the combined framework.
7. The single-truss unified-truss access line structure of a 110kV distribution device of claim 1, wherein the truss beam length of the unified framework is 16 meters.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121484939.1U CN215119560U (en) | 2021-07-01 | 2021-07-01 | Single-pin joint-frame wire inlet and outlet structure of 110kV power distribution device |
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| CN202121484939.1U CN215119560U (en) | 2021-07-01 | 2021-07-01 | Single-pin joint-frame wire inlet and outlet structure of 110kV power distribution device |
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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
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Cited By (2)
| 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 |
| CN114400514B (en) * | 2021-12-31 | 2022-12-20 | 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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