CN104600612A - Square radial GIS (gas insulated switchgear) transformer substation structure arrangement - Google Patents
Square radial GIS (gas insulated switchgear) transformer substation structure arrangement Download PDFInfo
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- CN104600612A CN104600612A CN201510089497.3A CN201510089497A CN104600612A CN 104600612 A CN104600612 A CN 104600612A CN 201510089497 A CN201510089497 A CN 201510089497A CN 104600612 A CN104600612 A CN 104600612A
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Abstract
The invention relates to square radial GIS (gas insulated switchgear) transformer substation structure arrangement comprising an upper operation platform and a lower operation platform. Each of the upper operation platform and the lower operation platform is of a square hollow structure, and platform support columns are arranged between the upper operation platform and the lower operation platform. A framework is arranged on the upper operation platform, and insulator strings are hung on the framework. Buses are laid on the upper operation platform and the lower operation platform. A reserved gap exit is mounted on each section of bus, and a fracture is formed in each of two ends of each layer of buses. An upper high-voltage combined appliance and a lower low-voltage combined appliance are in staggered and layered arrangement. A GIS transformer substation master control building and a capacitor set chamber are arranged in a hollow position of a square platform. The square radial GIS transformer substation structure arrangement meets basic electric design requirements of equipment transportation, installation, overhauling, testing and the like and related maintenance regulations, occupied area is decreased by half, and the adopted flexible and layered wire inlet and outlet design is more suitable for construction and management of the new generation of intelligent power grids.
Description
Technical field
The present invention relates to a kind of novel GIS transformer station layout design, particularly square-shaped 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.
Summary of the invention
The present invention is directed to problems of the prior art, design a kind of square-shaped radiation shape GIS substation structure arrangement, solve GIS transformer station floor space in prior art relatively large, the problem that staggered cross-line is many.
Technical scheme of the present invention 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 square 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 square platform.
Described bus has the installation of fixed angle straight line GIS bus by multistage and is 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.
Low-voltage combined electrical apparatus cable is installed into and out of line immediately below described upper strata high voltage combined electrical apparatus.
Distance between described bus fracture and transformer station's entranceway width match.
Described studdle is H-shaped.
Described framework is square shape 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.
Advantageous effect of the present invention 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 employing square-shaped radiation shape GIS layout design, the square length of side 75 meters of floor spaces calculated are 5625 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 square-shaped radiation shape GIS layout design, 220kV is increased to 15 times electrical separations, and 66kV is increased to 40 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 square arrangement, the square bus all directions of layering 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 square-shaped 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, for 66kV GIS cable can be adopted immediately below 220kV GIS combination electric appliance interval into and out of line to increase circuit.
5, square bus part builds: change original straight line GIS bus into square bus by rectilinear generatrix, and square bus is made up of the polygon merogenesis rectilinear generatrix with fixed installation angle.By 220kV and 66kV layered arrangement in square busbar arrangement 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: square-shaped 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 three-dimensional effect diagram of the present invention.
Fig. 2 is sectional structure schematic diagram of the present invention.
Fig. 3 is plan structure schematic diagram of the present invention.
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 present invention 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 square 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 square shape gantry 4, and insulator string 5 is hung on square shape 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 square 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.
Square bus part builds as shown in Figure 1, and transform original straight line GIS bus as square bus, square bus is made up of the merogenesis bus of polygon fixed angle.
By 220kV and 66kV layered arrangement in square busbar, 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.
Square-shaped 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 interlock the postpone of hierarchal arrangement cloth at square-shaped 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, for 66kV GIS cable can be adopted immediately below 220kV GIS combination electric appliance interval into and out of line to increase circuit.
Square-shaped radiation shape GIS transforming plant main transformer interval builds: square bus 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.
Square-shaped radiation shape GIS substation inspection: square-shaped 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 (8)
1. square-shaped radiation shape GIS substation structure is arranged, 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 square 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 square platform.
2. square-shaped radiation shape GIS substation structure according to claim 1 is arranged, it is characterized in that described bus has the installation of fixed angle straight line GIS bus by multistage and is formed by connecting.
3. square-shaped radiation shape GIS substation structure according to claim 1 is arranged, it 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. square-shaped radiation shape GIS substation structure according to claim 1 is arranged, it is characterized in that installing low-voltage combined electrical apparatus cable into and out of line immediately below described upper strata high voltage combined electrical apparatus.
5. square-shaped radiation shape GIS substation structure according to claim 1 is arranged, it is characterized in that distance between described bus fracture and transformer station's entranceway width match.
6. square-shaped radiation shape GIS substation structure according to claim 1 is arranged, it is characterized in that described studdle is H-shaped.
7. square-shaped radiation shape GIS substation structure according to claim 1 is arranged, it is characterized in that described framework is square shape door shape.
8. square-shaped radiation shape GIS substation structure according to claim 1 is arranged, it 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510089497.3A CN104600612B (en) | 2015-02-27 | 2015-02-27 | Square radial GIS (gas insulated switchgear) transformer substation structure arrangement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510089497.3A CN104600612B (en) | 2015-02-27 | 2015-02-27 | Square radial GIS (gas insulated switchgear) transformer substation structure arrangement |
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| CN104600612A true CN104600612A (en) | 2015-05-06 |
| CN104600612B CN104600612B (en) | 2017-01-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914590A (en) * | 2015-12-31 | 2016-08-31 | 安徽华电工程咨询设计有限公司 | GIS transformer station distribution wire outlet system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1032416A (en) * | 1962-08-13 | 1966-06-08 | Merz And Mclellan Services Ltd | Improvements relating to electric switchgear |
| JP2002165318A (en) * | 2001-10-22 | 2002-06-07 | Hitachi Ltd | Gas-insulation switching device and gas-insulation substation using the device |
| CN204144762U (en) * | 2014-08-15 | 2015-02-04 | 辽宁电能发展股份有限公司 | Combined intelligent transformer station |
| CN204615229U (en) * | 2015-02-27 | 2015-09-02 | 国网辽宁省电力有限公司盘锦供电公司 | Square-shaped radiation shape GIS substation structure |
-
2015
- 2015-02-27 CN CN201510089497.3A patent/CN104600612B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1032416A (en) * | 1962-08-13 | 1966-06-08 | Merz And Mclellan Services Ltd | Improvements relating to electric switchgear |
| JP2002165318A (en) * | 2001-10-22 | 2002-06-07 | Hitachi Ltd | Gas-insulation switching device and gas-insulation substation using the device |
| CN204144762U (en) * | 2014-08-15 | 2015-02-04 | 辽宁电能发展股份有限公司 | Combined intelligent transformer station |
| CN204615229U (en) * | 2015-02-27 | 2015-09-02 | 国网辽宁省电力有限公司盘锦供电公司 | Square-shaped radiation shape GIS substation structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914590A (en) * | 2015-12-31 | 2016-08-31 | 安徽华电工程咨询设计有限公司 | GIS transformer station distribution wire outlet system |
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| CN104600612B (en) | 2017-01-25 |
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