CN207459403U - A kind of vertical wire outlet structure of compact 330kV substations GIS - Google Patents

A kind of vertical wire outlet structure of compact 330kV substations GIS Download PDF

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Publication number
CN207459403U
CN207459403U CN201721393388.1U CN201721393388U CN207459403U CN 207459403 U CN207459403 U CN 207459403U CN 201721393388 U CN201721393388 U CN 201721393388U CN 207459403 U CN207459403 U CN 207459403U
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China
Prior art keywords
cantilever beams
phases
outlet
phase
gis
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CN201721393388.1U
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Chinese (zh)
Inventor
康鹏
李志刚
马钦国
项力恒
申卫华
牛冲宣
曾健
张咪
周海宏
肖文
薛勤
王宁壁
薛晓军
应捷
吕宝华
代尚武
朱岸明
颛孙旭
许斐
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Northwest Electric Power Design Institute of China Power Engineering Consulting Group
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Northwest Electric Power Design Institute of China Power Engineering Consulting Group
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Abstract

The utility model discloses a kind of vertical wire outlet structure of compact 330kV substations GIS, including GIS outlet casing tubes, arrester, vertical wire outlet tower, Cantilever Beams, insulator chain and conducting wire;The individual vertical of 330kV GIS power distribution equipments goes out transmission tower, if upper, middle and lower-ranking Cantilever Beams, is arranged into " rice " font, front and rear up and down to stagger.A, B, C three-phase casing, which are longitudinally arranged, the bottom of three layers of overhanging beam end of transmission tower, and GIS outlets transit to strain insulator string outlet, three-phase conducting wire vertical arrangement through overhanging the suspension insulator of beam end;Using the structure of the utility model in substation's outgoing line side, two, which return back out line, shares a Pin individual verticals and goes out transmission tower, achieve the effect that compress outlet structure width using the mode that cable space arranges, so as to reduce outgoing line interval width, floor space is saved, steel are saved, while also save GIS main bus-bar length, reduce equipment manufacturing cost.

Description

A kind of vertical wire outlet structure of compact 330kV substations GIS
Technical field
The utility model belongs to power transmission and transformation field, and in particular to a kind of vertical wire outlet knot of compact 330kV substations GIS Structure.
Background technology
With the high speed development of power grid construction, the scale of Ultra-high Voltage Substations engineering is increasing, is filled using regular distribution It is more and more prominent to put the problem of arrangement takes up a large area, land reserved resources wretched insufficiency, site expropriation of land, removal expense day Benefit increases, and especially in some urban central zones, land expropriation cost is in the situation substantially risen, and substation location selection is more and more tired Difficulty, it is the problem that power grid construction must face to improve land resources utilization rate.For the high voltage distribution installation design of substation, Gas-insulated metal-enclosed power distribution equipment (GIS) is a kind of intensive power equipment, and outdoor GIS device is generally maked somebody a mere figurehead out entirely Line, A, B, C three-phase are horizontally arranged, in one line using herringbone gate framework outlet.It is limited, is become by outlet gate framework width Power station totality outgoing line side width does not reduce due to use GIS device, does not give full play to the advantage of GIS device characteristics of compact layout, It is showed more so in high altitude localities.Therefore, optimize the outlet method of GIS power distribution equipments, reduce outgoing line interval width, match somebody with somebody in GIS During the line corridor design of electric installation, outlet structure and transmission line circuit, three-dimensional compact arrangement is considered, to greatest extent Economization on land improves the utilization rate in soil, can provide technical support for the construction of follow-up substation project, be of great significance.
Utility model content
The purpose of this utility model is that the problem of middle for the above-mentioned prior art, provide a kind of compact 330kV power transformations It stands the vertical wire outlet structure of GIS, outgoing line interval width can be reduced, the utilization rate in soil is improved, and then save equipment investment.
To achieve these goals, the technical solution adopted in the utility model is:
Including vertical wire outlet tower, vertical wire outlet tower has king-post and the A phases being stratified and set on by different height on king-post Cantilever Beams, B phases Cantilever Beams and C phase Cantilever Beams, A phases Cantilever Beams, B phases Cantilever Beams and C phase the Cantilever Beams direction in top plan view Staggeredly, the bottom of vertical wire outlet tower is provided with the outlet casing tube of corresponding different phase Cantilever Beams;The A phases Cantilever Beams, B phases overhang A, B, C phase outlet of 330kV is connected below beam and C phases Cantilever Beams respectively;Single Pin vertical wire outlets tower configuration two returns back out line, by A, B, the Cantilever Beams of C phases make three-phase outlet spatially be arranged vertically.
The king-post of vertical wire outlet tower uses steel pipe type steel construction;A, the Cantilever Beams of B, C phase use triangle girder lattice type steel Structure.
Hanging wire ring is provided on the A phases Cantilever Beams, B phases Cantilever Beams and C phase Cantilever Beams.
A phases Cantilever Beams, B phases Cantilever Beams and the C phases Cantilever Beams connect A, B, C phase by strain insulator string and go out respectively Line, and pass through suspension insulator and A, B, C phase outlet are led into outlet casing tube.
Arrester and voltage transformer are provided on the vertical wire outlet tower, and arrester is parallel to outlet casing tube It sets.
Cat ladder is provided on the king-post of the vertical wire outlet tower.
Compared with prior art, the utility model passes through upper and lower before and after the upper, middle and lower-ranking Cantilever Beams by vertical wire outlet tower Stagger, arranged into " rice " font, three-phase conducting wire is made spatially to be arranged vertically, reach compression using the mode that cable space arranges The effect of outlet structure width.Two, which return back out line, shares a Pin vertical wire outlet towers, the mode being arranged vertically using conducting wire, can be effective Outgoing line interval width is compressed, saves the floor space of substation, framework steel using amount is reduced, has saved framework steel and civil engineering Infrastructure investment, while also can preferably coordinate with line side terminal tower wiring, to line side design advantageously.Due to interval Width is reduced, and GIS main bus-bars are typically parallel to frame girder arrangement, and GIS main bus-bars length is also accordingly reduced, and has saved equipment throwing Money.Terminating wire mode is different from conventional gate framework on the utility model vertical wire outlet tower, also has compressed GIS pipeline bus Length has saved investment, after the vertical wire outlet scheme, is connected more smoothly with circuit double back outlet.
Description of the drawings
The schematic top plan view of Fig. 1 the utility model outlet structures;
The sectional schematic diagram of Fig. 2 the utility model outlet structures;
The schematic three dimensional views of Fig. 3 the utility model outlet structures;
In attached drawing:1- outlet casing tubes;2- arresters;3- voltage transformers;4-A phase Cantilever Beams;5-B phase Cantilever Beams;6-C phases Cantilever Beams;7- suspension insulators;8- conducting wires.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Referring to Fig. 1, the outlet structure of the utility model includes outlet casing tube 1, arrester 2 and the vertical wire outlet tower of 330kV;
Upper, middle and lower-ranking Cantilever Beams are provided on vertical wire outlet tower, are staggered up and down before and after Cantilever Beams, into " rice " font cloth It puts;Single Pin vertical wire outlets tower configuration two returns back out line, outlet casing tube 1 three it is perpendicular be longitudinally arranged, two return back out the A phases of line or C phases Outlet is drawn by lower floor's Cantilever Beams, and the outlet of B phases is drawn by middle level Cantilever Beams suspension insulator wire jumper, C phases or A phase outlets It is drawn by upper strata Cantilever Beams, staggered before and after three-phase Cantilever Beams so that three-phase outlet is spatially arranged vertically.
Arrester 2 is parallel to outlet casing tube 1 and arranges.
The outlet casing tube 1 of every time GIS three-phase outlet of the utility model is in longitudinally perpendicular arrangement, and the three-phase outlet of 330kV is led to The suspension insulator 7 for crossing overhanging beam end is transitioned into strain insulator string 9 and leads to outlet casing tube 1.
The king-post of the utility model vertical wire outlet tower uses steel pipe type steel construction, and the Cantilever Beams of A, B, C phase use triangle Girder lattice type steel construction.Cat ladder is provided on the king-post of vertical wire outlet tower.A, the Cantilever Beams end set of B, C phase has hanging wire ring.
Referring to Fig. 2-3, as a result of vertical wire outlet tower, the mode of connection and conventional gate framework are different.330kV The individual vertical of GIS power distribution equipments goes out transmission tower, if upper, middle and lower-ranking Cantilever Beams, is arranged into " rice " font.A, B, C three-phase outlet Casing is arranged in out the bottom of transmission tower Cantilever Beams end, and GIS outlets transit to outlet through overhanging the suspension insulator of beam end, Three-phase conducting wire is arranged vertically.Since interval width is reduced, GIS main bus-bars length is also accordingly reduced, so as to save equipment investment. After arrangement using vertical wire outlet tower, it is connected more smoothly with circuit outlet.Two return back out in line, and two return back out the C phases of line In the bottom of upper strata overhanging beam end, for B-phase in the bottom of middle level overhanging beam end, A phases are located at the bottom of lower floor's overhanging beam end Portion to meet the requirement of electrical safety clear distance, has been effectively compressed interval width, has saved floor occupying area.
The outlet method of the utility model vertical wire outlet structure can reduce outgoing line interval width, reduce rolled steel dosage and base Plinth is invested, and facade simple and beautiful, constructs and process simple and convenient, saves the investment of GIS main bus-bars, has installation, maintenance, operation The features such as more convenient, safe and reliable, can be applied in engineering, and provide a new Scheme Choice for outlet design.
The above content is combine preferred embodiment further detailed description of the utility model, it is impossible to assert this The specific embodiment of utility model is only limitted to this, for person of an ordinary skill in the technical field, is not departing from this On the premise of utility model is conceived, several simple deduction or replace can also be made, should all be considered as belonging to the utility model Protection domain.

Claims (6)

1. a kind of vertical wire outlet structure of compact 330kV substations GIS, it is characterised in that:Including vertical wire outlet tower, vertically go out There are transmission tower king-post and the A phases Cantilever Beams (4), the B phases Cantilever Beams (5) that are stratified and set on by different height on king-post to be hanged with C phases Outrigger (6), A phases Cantilever Beams (4), B phases Cantilever Beams (5) and C phases Cantilever Beams (6), towards interlocking, vertically go out in top plan view The bottom of transmission tower is provided with the outlet casing tube (1) of corresponding different phase Cantilever Beams;The A phases Cantilever Beams (4), B phases Cantilever Beams (5) With A, B, C the phase outlet for connecting 330kV below C phases Cantilever Beams (6) respectively;Single Pin vertical wire outlets tower configuration two returns back out line, passes through A, the Cantilever Beams of B, C phase make three-phase outlet spatially be arranged vertically.
2. the vertical wire outlet structure of compact 330kV substations GIS according to claim 1, it is characterised in that:It is described vertical The king-post for going out transmission tower uses steel pipe type steel construction;A, the Cantilever Beams of B, C phase use triangular beam latticed steel structure.
3. the vertical wire outlet structure of compact 330kV substations GIS according to claim 1, it is characterised in that:The A Hanging wire ring is provided on phase Cantilever Beams (4), B phases Cantilever Beams (5) and C phases Cantilever Beams (6).
4. the vertical wire outlet structure of compact 330kV substations GIS according to claim 1, it is characterised in that:The A Phase Cantilever Beams (4), B phases Cantilever Beams (5) and C phases Cantilever Beams (6) connect A, B, C phase outlet respectively by strain insulator string (9), And pass through suspension insulator (7) and A, B, C phase outlet are led into outlet casing tube (1).
5. the vertical wire outlet structure of compact 330kV substations GIS according to claim 1, it is characterised in that:Vertical wire outlet Arrester (2) and voltage transformer (3) are provided on tower, and arrester (2) is parallel to outlet casing tube (1) setting.
6. the vertical wire outlet structure of compact 330kV substations GIS according to claim 1, it is characterised in that:Described hangs down Directly go out on the king-post of transmission tower and be provided with cat ladder.
CN201721393388.1U 2017-10-26 2017-10-26 A kind of vertical wire outlet structure of compact 330kV substations GIS Active CN207459403U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721393388.1U CN207459403U (en) 2017-10-26 2017-10-26 A kind of vertical wire outlet structure of compact 330kV substations GIS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721393388.1U CN207459403U (en) 2017-10-26 2017-10-26 A kind of vertical wire outlet structure of compact 330kV substations GIS

Publications (1)

Publication Number Publication Date
CN207459403U true CN207459403U (en) 2018-06-05

Family

ID=62281723

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721393388.1U Active CN207459403U (en) 2017-10-26 2017-10-26 A kind of vertical wire outlet structure of compact 330kV substations GIS

Country Status (1)

Country Link
CN (1) CN207459403U (en)

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