CN204597313U - Ring radiation shape GIS substation structure - Google Patents

Ring radiation shape GIS substation structure Download PDF

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Publication number
CN204597313U
CN204597313U CN201520117634.5U CN201520117634U CN204597313U CN 204597313 U CN204597313 U CN 204597313U CN 201520117634 U CN201520117634 U CN 201520117634U CN 204597313 U CN204597313 U CN 204597313U
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CN
China
Prior art keywords
job platform
upper strata
bus
lower floor
gis
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Active
Application number
CN201520117634.5U
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Chinese (zh)
Inventor
孙林
姜广敏
苑婷
宋连峻
徐炳富
吴化君
翁晓宇
郭建华
孙睿
赵艳艳
李越
闫明
潘泳超
孙小涵
李天辉
谷强
刘文军
高峰
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State Grid Corp of China SGCC
State Grid Liaoning Electric Power Co Ltd
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State Grid Corp of China SGCC
State Grid Liaoning Electric Power Co Ltd
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Priority to CN201520117634.5U priority Critical patent/CN204597313U/en
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Publication of CN204597313U publication Critical patent/CN204597313U/en
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Abstract

The utility model relates to a kind of ring radiation shape GIS substation structure, comprise upper strata job platform and lower floor's job platform, upper strata job platform and lower floor's job platform are positive annular hollow structure, arrange studdle between upper strata job platform and lower floor's job platform; Upper strata job platform is provided with framework, and insulator string hangs architecturally; Bus is laid on upper strata job platform and lower floor's job platform, and every section of bus is provided with prepared separation outlet, every layer of bus two ends have a fracture; Upper strata high voltage combined electrical apparatus and lower floor's low-voltage combined electrical apparatus hierarchal arrangement of interlocking is arranged; GIS transformer station master control building body and Capacitor banks room are arranged on the hollow position of ring-shaped platform.The utility model meets the basic electrical design such as equipment conveying, installation, overhaul and test and requires and associated maintenance regulation, reduced footprint half, and flexible, layer-stepping inlet wire, the more applicable new band intelligent grid of outlet design that adopt are formed and management.

Description

Ring radiation shape GIS substation structure
Technical field
The utility model relates to a kind of novel GIS transformer station layout design, and particularly ring radiation shape GIS substation structure is arranged, belongs to electrical arrangement design field.
Background technology
At present, state, inside and outside large-scale GIS substation equipment are all in accordance with the design principle of traditional substation bus arrangement.The GIS device majority of such as general large-scale load-center substation 110kV, 220kV adopts the mode of connection of sectionalized single busbar connection or double-bus segmentation.Single-trunk segmental wiring has simply, economy, easily feature, and be applicable to 110kV, 220kV feeder line is the transformer station of 4 times; Double-bus section wiring can overhaul bus in turn, and flexibly, enlarging is convenient in scheduling, is convenient to test, is applicable to 110kV, the transformer station of 220kV feeder line more than 6 go back tos.
GIS device arrangement generally adopts level outdoors to arrange, component voltage grade plane figure and indoor layering, component voltage grade building body layout.
The major advantage of GIS has:
Floor space is little, and the floor space of general 220kV GIS device is 37% of conventional equipment; 110kV GIS device floor space is about 46% of conventional equipment, meets the fundamental state policy that China saves the area, and decreases the expensive front-end fee such as expropriation of land, removal, reparation and uses.
Element due to GIS device is fully closed, therefore the impact of not contaminated, the environment such as salt fog, humidity.The current-carrying part housing shroud of GIS device, ground connection is good, the radiation that electric conductor produces, electric jamming, the circuit breaker noise that cut-offs is all by housing shroud, and GIS device is fixedly mounted on basic built-in fitting, Gravity Centre of Product is low, intensity is high, has excellent earthquake-proof function, is particluarly suitable for down town or residential block and uses.Compared with conventional equipment, GIS more easily meets the requirement of urban environmental protection.
SF6 gas is as dielectric, and gas itself does not burn, and fire protecting performance is good, and has excellent insulation property and arc extinction performance, and safe and reliable to operation, maintenance workload is few, and the time between overhauls(TBO) is long, is suitable for Unattended substation, reaches the object of increasing efficiency by downsizing payrolls.
Construction period is short.Each element highly versatile of GIS device, adopts modular construction, is assembled in a delivery unit, transports to job site in place fixing.Field erected workload decreases about 80% than conventional equipment.
On existing GIS transformer station layout design basis, how further to reduce floor space, reduce staggered cross-line, better lifting GIS transformer station advantage, making its more applicable new band intelligent grid form and manage is the technical problem that solution is thirsted in this area always.
Utility model content
The utility model, for problems of the prior art, designs a kind of ring radiation shape GIS substation structure arrangement, solves GIS transformer station floor space in prior art relatively large, the problem that staggered cross-line is many.
The technical solution of the utility model is as follows:
Comprise upper strata job platform and lower floor's job platform, upper strata job platform and lower floor's job platform are annular hollow structure, arrange studdle between upper strata job platform and lower floor's job platform; Upper strata job platform is provided with framework, and insulator string hangs architecturally; Bus is laid on upper strata job platform and lower floor's job platform, and every section of bus is provided with prepared separation outlet, every layer of bus two ends have a fracture; Upper strata high voltage combined electrical apparatus and lower floor's low-voltage combined electrical apparatus hierarchal arrangement of interlocking is arranged; Main transformer is arranged on transformer station's road both sides respectively, and GIS transformer station master control building body and Capacitor banks room are arranged on the hollow position of ring-shaped platform.
Described bus is formed by connecting by multistage annular GIS bus, or has fixed angle straight line GIS bus by multistage and install and be formed by connecting.
In the middle of described upper strata bus and lower floor's bus layered arrangement, insulating course is installed, between upper strata bus and lower floor's bus interval, insulating course is installed.
Distance between described bus fracture and transformer station's entranceway width match.
Described studdle is H-shaped.
Described framework is ring-type door shape.
Described master control building one deck is indoor Capacitor banks and equipment mounting layer; Two layers is toolroom; Three layers is that control room and upper strata job platform import and export corridor; Four floor, five floor are protection room.
The utility model advantageous effect is as follows:
1, floor space is reduced: for somewhere 220kV Xin Li GIS transformer station: long 74 meters, wide 162 meters, the floor space calculated is 11988 square metres.After adopting ring radiation shape GIS layout design, annular diameter 75 meters, the annular floor space calculated is 4415 square metres.
2, increase into and out of line interval: for somewhere 220kV Xin Li GIS transformer station: 220kV design and installation has 13 times electrical separations, 66kV design and installation has 27 times electrical separations.After adopting ring radiation shape GIS layout design, 220kV is increased to 17 times electrical separations, and 66kV is increased to 44 times electrical separations.
3, inlet wire, outlet wiring are flexibly: along with electrical network economy ground is fast-developing, to various clean energy resource and regenerative resource be connected to the grid ground Requirement Increases, can comprehensive inlet wire, outlet layout design load-center substation, be more applicable to following intelligent grid construction needs.After GIS transformer station 220kV and 66kV layering are circular layout, layering ring busbars all directions can adjust the layout of inlet wire and outlet neatly according to user's request.
4, avoid or reduce high tension overhead way interleave cross-line: well-known 220kV GIS combination electric appliance outgoing line interval is greater than 66kVGIS combined electrical apparatus outgoing line interval.To interlock the postpone of hierarchal arrangement cloth at ring radiation shape, the outlet of 220KV GIS combination electric appliance and the outlet of 66KV GIS combination electric appliance are installed in staggered layering, this novel electric arrangement can ensure that the outlet of each electric pressure meets the safe distance of electrical design, has used ring radiation to disperse this characteristic to ensure that feasibility and the novelty of this sets of plan just.
5, ring busbars part builds: change original straight line GIS bus into ring busbars by rectilinear generatrix, and ring busbars are made up of the polygon merogenesis rectilinear generatrix with fixed installation angle.By 220kV and 66kV layered arrangement in ring busbars layout design, wherein 220kV equipment interval is arranged on upper strata bus, and 66kV equipment interval is arranged on lower floor's bus.
6, be applicable to being arranged on underground GIS Substation Design: ring radiation shape GIS transformer station arranges that being also applicable to being arranged on underground GIS transformer station full cable line arranges.
Accompanying drawing explanation
Fig. 1 is the utility model three-dimensional effect diagram.
Fig. 2 is the utility model sectional structure schematic diagram.
Fig. 3 is the utility model plan structure schematic diagram.
In figure, 1, upper strata job platform, 2, lower floor's job platform, 3, studdle, 4, framework, 5, insulator string, 6, bus, 7, fracture, 8, master control building body, 9, transformer, 10, road.
Embodiment
Referring to accompanying drawing, in conjunction with specific embodiments, the utility model is described in detail.
Embodiment
As Figure 1-3, comprise upper strata job platform 1 and lower floor's job platform 2, upper strata job platform and lower floor's job platform are positive annular hollow structure, arrange H-shaped studdle 3 between upper strata job platform and lower floor's job platform; Upper strata job platform is provided with ring-type gantry 4, and insulator string 5 is hung on ring-type gantry; Bus 6 is laid on upper strata job platform and lower floor's job platform, and every section of bus is provided with prepared separation outlet, every layer of bus two ends have a fracture 7; Upper strata high voltage combined electrical apparatus and lower floor's low-voltage combined electrical apparatus hierarchal arrangement of interlocking is arranged; Interior two main transformers of standing are arranged on transformer station's road both sides respectively, the high-pressure side sleeve pipe inlet wire of transformer enters transformer primary side bushing after being drawn by the drainage wire of the main transformer main switch outlet casing tube being arranged on upper platform, is drawn through No. two main transformer secondary main switches that lower floor's platform introduced by drainage wire after high voltage variable low pressure by transformer secondary low-pressure side sleeve pipe.
GIS transformer station master control building body 8 and Capacitor banks room are arranged on the hollow position of ring-shaped platform.Described master control building one deck is indoor Capacitor banks and equipment mounting layer; Two layers is toolroom; Three layers is that control room and upper strata job platform import and export corridor; Four floor, five floor are protection room.
Ring busbars part builds as shown in Figure 1, is formed by connecting by multistage annular GIS bus, or has fixed angle straight line GIS bus by multistage and install and be formed by connecting.
By 220kV and 66kV layered arrangement in ring busbars design, 220kV interval is arranged on upper strata bus, and 66kV exports interval and is arranged on lower floor's bus.220kV equipment interval and lower floor's bus 66kV equipment interval of upper strata bus are staggered according to design angle, the lifting and the maintenance that are staggered for ensureing interval.Is provided with insulating course in the middle of 220kV and 66kV layered arrangement, 220kV and 66kV is provided with insulating course between interval, meets safety operation regulations and to be correlated with the regulation of operation.
Ring radiation feature is applied: well-known 220kV GIS combination electric appliance outgoing line interval is greater than 66kV GIS combination electric appliance outgoing line interval.To be staggered cloth postpone at ring radiation shape, keep 220KV GIS combination electric appliance outgoing line interval apart from when constant, after extending 66KV GIS combination electric appliance outgoing line interval distance or prolongation 66KV GIS combination electric appliance outlet cable to certain distance, just can meet the designing requirement of electrical connection.This ring radiation design feature eliminates overhead transmission line and to interlock cross-line, improves the superiority of integral layout.
Ring radiation shape GIS transforming plant main transformer interval builds: ring busbars two ends have a fracture, and spacing and transformer station's entranceway 10 of fracture match, and a main road is for delivering heavy duty work equipment.
Interior two main transformers of standing are arranged on transformer station's road both sides respectively, the high-pressure side sleeve pipe inlet wire of transformer enters transformer primary side bushing after being drawn by the drainage wire of the main transformer main switch outlet casing tube being arranged on upper platform, is drawn through No. two main transformer secondary main switches that lower floor's platform introduced by drainage wire after high voltage variable low pressure by transformer secondary low-pressure side sleeve pipe.
Ring radiation shape GIS substation inspection: ring radiation shape GIS substation inspection is fairly simple, enters lower floor 66KV spacing devices by entrance main road side and carries out tour one and enclose rear upper inlet main road opposite side and make an inspection tour return to origin after upper strata 220KV spacing devices.The transformer of main road both sides, Capacitor banks, PT are maked an inspection tour separately.

Claims (7)

1. ring radiation shape GIS substation structure, it is characterized in that comprising upper strata job platform and lower floor's job platform, upper strata job platform and lower floor's job platform are positive annular hollow structure, arrange studdle between upper strata job platform and lower floor's job platform; Upper strata job platform is provided with framework, and insulator string hangs architecturally; Bus is laid on upper strata job platform and lower floor's job platform, and every section of bus is provided with prepared separation outlet, every layer of bus two ends have a fracture; Upper strata high voltage combined electrical apparatus and lower floor's low-voltage combined electrical apparatus hierarchal arrangement of interlocking is arranged; Main transformer is arranged on transformer station's road both sides respectively, and GIS transformer station master control building body and Capacitor banks room are arranged on the hollow position of ring-shaped platform.
2. ring radiation shape GIS substation structure according to claim 1, is characterized in that described bus is formed by connecting by multistage annular GIS bus, or has fixed angle straight line GIS bus by multistage and install and be formed by connecting.
3. ring radiation shape GIS substation structure according to claim 1, is characterized in that being provided with insulating course in the middle of described upper strata bus and lower floor's bus layered arrangement, is provided with insulating course between upper strata bus and lower floor's bus interval.
4. ring radiation shape GIS substation structure according to claim 1, is characterized in that distance between described bus fracture and transformer station's entranceway width match.
5. ring radiation shape GIS substation structure according to claim 1, is characterized in that described studdle is H-shaped.
6. ring radiation shape GIS substation structure according to claim 1, is characterized in that described framework is ring-type door shape.
7. ring radiation shape GIS substation structure according to claim 1, is characterized in that described master control building one deck is indoor Capacitor banks and equipment mounting layer; Two layers is toolroom; Three layers is that control room and upper strata job platform import and export corridor; Four floor, five floor are protection room.
CN201520117634.5U 2015-02-27 2015-02-27 Ring radiation shape GIS substation structure Active CN204597313U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104600613A (en) * 2015-02-27 2015-05-06 国网辽宁省电力有限公司盘锦供电公司 Annular radial GIS (gas insulated switchgear) transformer substation structure arrangement

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104600613A (en) * 2015-02-27 2015-05-06 国网辽宁省电力有限公司盘锦供电公司 Annular radial GIS (gas insulated switchgear) transformer substation structure arrangement
CN104600613B (en) * 2015-02-27 2017-01-11 国网辽宁省电力有限公司盘锦供电公司 Annular radial GIS (gas insulated switchgear) transformer substation structure arrangement

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