CN103354320A - 110kV outdoor GIS double-dragonfly-type outlet wire arrangement structure - Google Patents
110kV outdoor GIS double-dragonfly-type outlet wire arrangement structure Download PDFInfo
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- CN103354320A CN103354320A CN2013102828943A CN201310282894A CN103354320A CN 103354320 A CN103354320 A CN 103354320A CN 2013102828943 A CN2013102828943 A CN 2013102828943A CN 201310282894 A CN201310282894 A CN 201310282894A CN 103354320 A CN103354320 A CN 103354320A
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Abstract
The invention discloses a 110kV GIS double-dragonfly-type outlet wire arrangement structure. Although a GIS is adopted, the size of a total wire outlet side of a transformer substation is not reduced because of the width limitation of an outlet wire door frame of a conventional outdoor GIS. The technical scheme provided by the invention is characterized in that a wire outlet structure includes a vertical steel pipe pole and six wire outlet cross arms formed on the steel pipe pole. The wire outlet cross arms are all perpendicular to the steel pipe pole. The six wire outlet cross arms are distributed in three layers including an upper layer, a middle layer and a lower layer. Each of the layers is composed of two of the wire outlet cross arms disposed on two sides of the steel pipe pole respectively and the wire outlet cross arms in each layer are arranged in a staggered manner with the wire outlet cross arms on the same side and in the other layers. Double-loop vertical overhead wire outlet arrangement in the upper layer, the middle layer and the lower layer is formed through the cooperatively use of two GIS wire outlet intervals and the wire outlet structure. According to the invention, the wire outlet structure of the outdoor GIS power distribution device is simplified, the transverse size is reduced, floor space occupancy can be reduced distinctively and length of a 110kV GIS bus is reduced.
Description
Technical field
The present invention relates to power equipment arrangement and framework, specifically a kind of 110 kilovolts of outdoor GIS round trip flight dragonfly outlet arrangements.
Background technology
Development along with electrical network, transformer station's quantity is in continuous increase, soil reserved resources wretched insufficiency, site expropriation of land, removal expense increase day by day, especially at some urban central zones, land expropriation cost is obvious rising situation, and substation location is selected more and more difficulty, and it is current problem demanding prompt solution that transformer station saves the area.
At present, GIS equipment is a kind of intensive power equipment, improved that conventional equipment arrange to disperse that floor space is large, failure rate is high, Installation and Debugging and plant maintenance workload be large, the shortcomings such as long construction period, have advantages of characteristics of compact layout, exempt from (lacking) safeguard, operational reliability is high, greatly degree is saved land seizure, has reduced the expensive front-end fee usefulness such as expropriation of land, removal, reparations, meet the fundamental state policy that China saves the area, be widely used.
GIS equipment has two kinds of indoor layout and outdoor layouts, and with respect to indoor GIS scheme, outdoor GIS is general to adopt full overhead outlet, owing to there not being the restriction of building, can give full play to the characteristics of GIS flexible arrangement, thereby plays the effect of taking up an area of saving.But conventional outdoor GIS generally adopts A, B, the horizontal word order of C three-phase outlet casing tube at present, and framework adopts miter gate's type framework in one line, and State Grid Corporation of China's modular design suggested design 110 KV distribution device gate type framework minimum widiths are 7-8 rice.Owing to be subjected to the restriction of outlet door frame width, so that the overall outgoing line side size of transformer station is not because adopting GIS equipment to reduce.
Therefore, need to optimize GIS equipment outlet arrangement, reduce the outgoing line interval width, arrange power distribution equipment compacter, thereby save to greatest extent the soil, improve the utilance in soil.
Summary of the invention
Technical problem to be solved by this invention is to overcome the defective that above-mentioned prior art exists, a kind of 110 kilovolts of outdoor GIS round trip flight dragonfly outlet arrangements are provided, it is arranged outdoor GIS outgoing line interval and is optimized, reduce the overall outgoing line side lateral dimension of transformer station, floor space in the compression transformer station enclosure wall is saved electric outgoing line corridor.
For this reason, the present invention adopts following technical scheme: a kind of 110 kilovolts of outdoor GIS round trip flight dragonfly outlet arrangements, comprise at least two GIS outgoing line intervals and at least one outlet structure, described at least two GIS outgoing line intervals connect by the bus of horizontally set, it is characterized in that, described outlet structure comprises an erect-type steel pipe pole and the six roots of sensation outlet cross-arm that forms at steel pipe pole, all outlet cross-arms are all vertical with steel pipe pole, described six roots of sensation outlet cross-arm is presented, in, lower three layers of distribution, every layer forms by two outlet cross-arms that lay respectively at the steel pipe pole both sides, and the outlet cross-arm of one deck spatially all misplaces with other same side output terminal cross-arms of two layers arbitrarily;
Three phase lines in each GIS outgoing line interval enter in the pedestal of an erect-type lead collar pipe fitting, be divided in three couplings by three branch joints that are positioned at this lead collar pipe fitting pedestal top again, be connected with the outer end hanging wire point of the outlet cross-arm that is positioned at the branch joint top respectively by wire again, be used in conjunction with by two GIS outgoing line intervals and an outlet structure and form two times vertical overhead outlets of upper, middle and lower-ranking.
The present invention simplifies outdoor GIS power distribution equipment outlet structure, the lateral dimension compression; Satisfy under the prerequisite that electrical safety requires in the horizontal range between the adjacent outlet wire, reduced the overall outgoing line side lateral dimension of transformer station, compressed floor space in transformer station's enclosure wall, saved electric outgoing line corridor.
As the further of technique scheme improved and replenish, the present invention takes following technical measures:
Further, form 180 degree angles between two of described middle level outlet cross-arms; Outlet cross-arm in upper strata is preferably 40-50 degree (most preferably being 42 degree) with the outlet cross-arm of middle level homonymy dislocation drift angle respectively, forms 80-100 degree angle between two outlet cross-arms on upper strata; Lower floor's outlet cross-arm also is preferably 40-50 degree (optimum is 42 degree) with the outlet cross-arm of middle level homonymy dislocation drift angle respectively, also forms 80-100 degree angle between two outlet cross-arms of lower floor.Adopt the outlet structure of above-mentioned setting, make the compact overall structure of outlet structure.
Further, the external outlet cross-arm that hangs on of the lightning arrester of described GIS outgoing line interval, phase line in the GIS outgoing line interval is perpendicular to bus, the bottom of three branch joints is installed on the pedestal and is emitting shape and distributes, the inner chamber of three branch joints communicates with the inner chamber of pedestal respectively, three branch joints are vertical word order, can further reduce the overall outgoing line side lateral dimension of transformer station.
Further, the top spacing of contiguous branch sleeve pipe is 1.2-1.8 rice, and the level interval of the center of outlet structure and lead collar pipe fitting is 1.5-2.5 rice, guarantees the requirement of electrical safety distance.
Further, the fore-and-aft distance of three outlet cross-arm hanging points of homonymy is 1.8-2.0 rice, it is 7-7.5 rice that the hanging wire that is positioned at the outlet cross-arm of lower floor is selected apart from ground level, and the difference in height between the adjacent outlet cross-arm of homonymy is 3.0-3.5 rice, guarantees the safe distance between the outlet wire.
Further, be positioned at upper strata outlet cross-arm directly over be provided with a lightning conducter cross-arm that be used for to hang lightning conducter.
Further, the difference in height between described lightning conducter cross-arm and the upper strata outlet cross-arm is 2.5-3.0m, guarantees that the outlet wire is in the protection range of lightning arrester.
Further, two outlet cross-arms in every layer of outlet cross-arm are symmetrical arranged as axle is take steel pipe pole, make the both sides of steel pipe pole stressed evenly, and structure is more stable.
The present invention is with the outgoing line side lateral dimension compression of outdoor GIS power distribution equipment, singly return back out the line interval width and can be reduced to 2 meters, two line interval widths that return back out can be reduced to 7.5 meters, can significantly reduce floor space, reduce land expropriation cost, reduce 110kV GIS bus length, reduce the GIS cost, outlet structure is succinct, steel material is saved, therefore overall investment is far smaller than conventional GIS power distribution equipment layout, the particularly high area of soil land expropriation cost, and advantage is more obvious.
Description of drawings
Fig. 1 is the floor plan schematic diagram of existing conventional 110 kilovolts of outdoor GIS power distribution equipments.
Fig. 2 is structural representation of the present invention.
Fig. 3 is floor plan schematic diagram of the present invention.
Fig. 4 is the structural representation of outlet structure of the present invention.
Fig. 5 is the vertical view of lower floor of the present invention outlet cross-arm.
Fig. 6 is the vertical view of outlet cross-arm in middle level of the present invention.
Fig. 7 is the vertical view of outlet cross-arm in upper strata of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with specification drawings and specific embodiments.
110 kilovolts of outdoor GIS round trip flight dragonfly outlet arrangements shown in Fig. 2-7, it is comprised of four GIS outgoing line intervals 1 and two outlet structures, and described four GIS outgoing line intervals 1 connect by the bus 2 of a horizontally set.Phase line 8 in the lightning arrester 10 external outlet cross-arms that hang on of described GIS outgoing line interval, GIS outgoing line interval is perpendicular to bus 2.Erect-type lead collar pipe fitting 7 is comprised of pedestal 71 and three branch joints 72,73,74, the bottom of three branch joints is installed on the pedestal and is emitting shape and distributes, the inner chamber of three branch joints communicates with the inner chamber of pedestal respectively, three branch joints are vertical word order (be the conventional lead collar pipe fitting installation site 90-degree rotation in installation site of lead collar pipe fitting 7 of the present invention, and the plane at three branch joint places being perpendicular to bus).The top spacing of contiguous branch sleeve pipe is 1.2-1.8 rice, and the level interval of the center of outlet structure and lead collar pipe fitting 7 is 1.5-2.5 rice.
Three phase lines in each GIS outgoing line interval enter in the pedestal 71 of erect-type lead collar pipe fitting 7, be divided in three couplings by three branch joints 72,73,74 that are positioned at this lead collar pipe fitting 7 pedestals top again, be connected with the outer end hanging wire point of the outlet cross-arm that is positioned at the branch joint top respectively by wire again, be used in conjunction with by two GIS outgoing line intervals and an outlet structure and form two times vertical overhead outlets of upper, middle and lower-ranking.
Described outlet structure forms by erect-type steel pipe pole 3 independently with at the six roots of sensation outlet cross-arm that steel pipe pole forms, all outlet cross-arms are all vertical with steel pipe pole, described six roots of sensation outlet cross-arm is the three layers of distribution in upper, middle and lower, every layer forms by two outlet cross-arms that lay respectively at the steel pipe pole both sides and is symmetrical arranged as axle is take steel pipe pole, and the outlet cross-arm of one deck spatially all misplaces with other same side output terminal cross-arms of two layers arbitrarily.Form 180 degree angles between two outlet cross-arms 5 in middle level; Outlet cross-arm in upper strata is the 40-50 degree with the outlet cross-arm 5 dislocation drift angles of middle level homonymy respectively, forms 80-100 degree angle between two outlet cross-arms 6 on upper strata; Lower floor's outlet cross-arm also is the 40-50 degree with the outlet cross-arm 5 dislocation drift angles of middle level homonymy respectively, also forms 80-100 degree angle between two outlet cross-arms 4 of lower floor.
The fore-and-aft distance scope that is positioned at three outlet cross-arm hanging points of homonymy is 1.8-2.0 rice, and it is 7-7.5 rice that the hanging wire that is positioned at the outlet cross-arm 4 of lower floor is selected apart from the ground level scope, and the difference in height scope between the adjacent outlet cross-arm of homonymy is 3-3.5 rice.
Be positioned at the upper strata the outlet cross-arm directly over be provided with for the lightning conducter cross-arm 9 that hangs lightning conducter, described lightning conducter cross-arm 9 and the discrepancy in elevation scope between the outlet cross-arm 6 on upper strata are 2.5-3.0m.
The above only is preferred embodiment of the present invention, is not structure of the present invention is done any pro forma restriction.Every foundation technical spirit of the present invention all falls within the scope of protection of the present invention any simple modification, equivalent variations and modification that above embodiment does.
Claims (8)
1. one kind 110 kilovolts outdoor GIS round trip flight dragonfly outlet arrangements, comprise at least two GIS outgoing line intervals (1) and at least one outlet structure, described at least two GIS outgoing line intervals (1) connect by the bus (2) of horizontally set, it is characterized in that, described outlet structure comprises an erect-type steel pipe pole (3) and the six roots of sensation outlet cross-arm that forms at steel pipe pole, all outlet cross-arms are all vertical with steel pipe pole, described six roots of sensation outlet cross-arm is presented, in, lower three layers of distribution, every layer forms by two outlet cross-arms that lay respectively at the steel pipe pole both sides, and the outlet cross-arm of one deck spatially all misplaces with other same side output terminal cross-arms of two layers arbitrarily;
Three phase lines in each GIS outgoing line interval enter in the pedestal of an erect-type lead collar pipe fitting (7), be divided in three couplings by three branch joints that are positioned at this lead collar pipe fitting (7) pedestal top again, be connected with the outer end hanging wire point of the outlet cross-arm that is positioned at the branch joint top respectively by wire again, be used in conjunction with by two GIS outgoing line intervals and an outlet structure and form two times vertical overhead outlets of upper, middle and lower-ranking.
2. 110 kilovolts of outdoor GIS round trip flight dragonfly outlet arrangements according to claim 1 is characterized in that, form 180 degree angles between two outlet cross-arms (5) in described middle level; Outlet cross-arm in upper strata is the 40-50 degree with the outlet cross-arm (5) of middle level homonymy dislocation drift angle respectively, forms 80-100 degree angle between two outlet cross-arms (6) on upper strata; Lower floor's outlet cross-arm also is the 40-50 degree with the outlet cross-arm (5) of middle level homonymy dislocation drift angle respectively, also forms 80-100 degree angle between two outlet cross-arms (4) of lower floor.
3. 110 kilovolts of outdoor GIS round trip flight dragonfly outlet arrangements according to claim 1 and 2, it is characterized in that, the external outlet cross-arm that hangs on of the lightning arrester of described GIS outgoing line interval, phase line in the GIS outgoing line interval is perpendicular to bus (2), the bottom of three branch joints is installed on the pedestal and is emitting shape and distributes, the inner chamber of three branch joints communicates with the inner chamber of pedestal respectively, and three branch joints are vertical word order.
4. 110 kilovolts of outdoor GIS round trip flight dragonfly outlet arrangements according to claim 3 is characterized in that, the top spacing of contiguous branch sleeve pipe is 1.2-1.8 rice, and the level interval of the center of outlet structure and lead collar pipe fitting (7) is 1.5-2.5 rice.
5. 110 kilovolts of outdoor GIS round trip flight dragonfly outlet arrangements according to claim 1 and 2, it is characterized in that, the fore-and-aft distance of three outlet cross-arm hanging points of homonymy is 1.8-2.0 rice, it is 7-7.5 rice that the hanging wire that is positioned at the outlet cross-arm (4) of lower floor is selected apart from ground level, and the difference in height between the adjacent outlet cross-arm of homonymy is 3.0-3.5 rice.
6. 110 kilovolts of outdoor GIS round trip flight dragonfly outlet arrangements according to claim 1 and 2 is characterized in that, be positioned at upper strata outlet cross-arm directly over be provided with a lightning conducter cross-arm (9) that be used for to hang lightning conducter.
7. 110 kilovolts of outdoor GIS round trip flight dragonfly outlet arrangements according to claim 6 is characterized in that, the difference in height between described lightning conducter cross-arm (9) and the upper strata outlet cross-arm is 2.5-3.0m.
8. 110 kilovolts of outdoor GIS round trip flight dragonfly outlet arrangements according to claim 1 and 2 is characterized in that, two outlet cross-arms in every layer of outlet cross-arm are symmetrical arranged as axle is take steel pipe pole.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310282894.3A CN103354320B (en) | 2013-07-06 | 2013-07-06 | A kind of 110 kilovolts of outdoor GIS double-dragonfly-typoutlet outlet wire arrangement structure |
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| CN201310282894.3A CN103354320B (en) | 2013-07-06 | 2013-07-06 | A kind of 110 kilovolts of outdoor GIS double-dragonfly-typoutlet outlet wire arrangement structure |
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| CN103354320A true CN103354320A (en) | 2013-10-16 |
| CN103354320B CN103354320B (en) | 2015-08-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143778A (en) * | 2013-11-15 | 2014-11-12 | 国家电网公司 | Sleeve wire inlet/outlet device and connection barrel thereof |
| WO2022188532A1 (en) * | 2021-03-12 | 2022-09-15 | 刘洋 | Power supply circuit and apparatus for replacing power supply circuit |
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2013
- 2013-07-06 CN CN201310282894.3A patent/CN103354320B/en active Active
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| JP2009268283A (en) * | 2008-04-28 | 2009-11-12 | Japan Ae Power Systems Corp | Movement gas insulated switching device and its local operating method |
| CN201398029Y (en) * | 2009-06-24 | 2010-02-03 | 山东电力工程咨询院有限公司 | Main wiring structure capable of reducing scope of power failure of 220kVGIS substation |
| CN201708470U (en) * | 2010-06-13 | 2011-01-12 | 河南平高东芝高压开关有限公司 | High-pressure bushing assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143778A (en) * | 2013-11-15 | 2014-11-12 | 国家电网公司 | Sleeve wire inlet/outlet device and connection barrel thereof |
| WO2022188532A1 (en) * | 2021-03-12 | 2022-09-15 | 刘洋 | Power supply circuit and apparatus for replacing power supply circuit |
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| Publication number | Publication date |
|---|---|
| CN103354320B (en) | 2015-08-26 |
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Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Zhejiang Huayun Electric Power Engineering Design Consulting Co., Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: Zhejiang Zhedian Economic Technology Research Institute |