CN104600612B - 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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- CN104600612B CN104600612B CN201510089497.3A CN201510089497A CN104600612B CN 104600612 B CN104600612 B CN 104600612B CN 201510089497 A CN201510089497 A CN 201510089497A CN 104600612 B CN104600612 B CN 104600612B
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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 new gis transformer station layout design, particularly to square-shaped radiation shape gis substation structure cloth
Put, belong to electrical arrangement design field.
Background technology
At present, state, the inside and outside large-scale gis substation equipment design principle all in accordance with traditional substation bus arrangement.Example
As large-scale load-center substation 110kv, the most wiring using sectionalized single busbar connection or double-bus segmentation of the gis equipment of 220kv
Mode.Single-trunk segmental wiring has simple, economic, convenient feature it is adaptable to 110kv, and 220kv feeder line is the power transformation of 4 times
Stand；Double-bus section wiring can overhaul bus in turn, and flexibly, enlarging is convenient for scheduling, is easy to test it is adaptable to 110kv,
Transformer station more than 6 times for the 220kv feeder line.
Gis equipment arrangement typically adopts level outdoors arrangement, component voltage grade plane figure and indoor layering, point electricity
Pressure grade building body layout.
The major advantage of gis has:
Floor space is little, and the floor space of general 220kv gis equipment is the 37% of conventional equipment；110kv gis equipment accounts for
Ground area is the 46% about of conventional equipment, meets the fundamental state policy that China saves the area, and decreases expropriation of land, removal, reparation etc. and holds high
Expensive front-end fee is used.
Because the element of gis equipment is fully closed, the therefore not contaminated, impact of the environment such as salt fog, humidity.gis
The current-carrying part housing shroud of equipment, ground connection is good, and the noise that the radiation of electric conductor generation, electric jamming, breaker cut-off is equal
By housing shroud, and gis equipment is fixedly mounted on basic built-in fitting, and Gravity Centre of Product is low, and intensity is high, has excellent
Good earthquake-proof function, is particluarly suitable for down town or residential block and uses.Compared with conventional equipment, gis is easier to meet city
The requirement of environmental protection.
Sf6 gas does not burn as dielectric, gas itself, and fire protecting performance is good, and has excellent insulating properties
And arc extinction performance, safe and reliable to operation, maintenance workload is few, and the time between overhauls(TBO) is long, is suitable for Unattended substation, reaches and subtracts people
The purpose of synergy.
Construction period is short.Each element highly versatile of gis equipment, using modular construction, is assembled in a transport single
In unit, transport to job site fixation in place.Field erected workload decreases 80% about than conventional equipment.
On existing gis transformer station layout design basis, how further to reduce floor space, reduce staggered across
Line, preferably lifting gis transformer station advantage is so as to being more suitable for a new band intelligent grid composition and management is that this area is thirsty always
Hope the technical problem solving.
Content of the invention
The present invention is directed to problems of the prior art, designs a kind of square-shaped radiation shape gis substation structure arrangement side
Case, solves the problem that gis transformer station floor space in prior art is relatively large, more than staggered cross-line.
Technical scheme is as follows:
Including upper strata job platform and lower floor's job platform, upper strata job platform and lower floor's job platform are square hollow
Structure, arranges studdle between upper strata job platform and lower floor's job platform；Upper strata job platform is provided with framework, insulator
String hangs architecturally；Bus is laid on upper strata job platform and lower floor's job platform, every section of bus is provided between reserving
It is separated out mouth, every layer of bus two ends have a fracture；Upper strata high voltage combined electrical apparatus is interlocked with lower floor's low-voltage combined electrical apparatus and divides
Layer arranged；Main transformer is separately mounted to transformer station both sides of the road, gis transformer station master control building body and the setting of capacitor bank room
Hollow position in square platform.
Described bus has the installation of fixed angle straight line gis bus by multistage and is formed by connecting.
Insulating course is installed, between upper strata bus and lower floor's bus in the middle of described upper strata bus and lower floor's bus layered arrangement
Every between 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.
The distance between described bus fracture and transformer station entranceway width match.
Described studdle is H-shaped.
Described framework is square shape door shape.
Described master control building one floor is indoor capacitor bank and equipment mounting layer；Two layers is toolroom；Three layers is control room
Import and export corridor with upper strata job platform；Four floor, five floor are protection room.
Advantageous effect of the present invention is as follows:
1st, reduce floor space: taking somewhere 220kv Xin Li gis transformer station as a example: long 74 meters, wide 162 meters, calculated
Floor space is 11988 square metres.Using 75 meters of occupation of land faces being calculated of the length of side square after square-shaped radiation shape gis layout design
Amass as 5625 square metres.
2nd, increase into and out of line interval: taking somewhere 220kv Xin Li gis transformer station as a example: 220kv design and installation has 13 times
Electrical separation, 66kv design and installation has 27 times electrical separations.After square-shaped radiation shape gis layout design, 220kv increases to
15 times electrical separations, 66kv increases to 40 times electrical separations.
3rd, inlet wire, outlet wiring are flexible: fast-developing with electrical network economy ground, to various clean energy resourcies and regenerative resource
Be connected to the grid ground Requirement Increases, can comprehensive inlet wire, the load-center substation of outlet layout design, be more suitable for following intelligent grid
Build and need.After gis transformer station 220kv and 66kv layering square arrangement, being layered square bus all directions can be according to user
Demand neatly adjusts the arrangement of inlet wire and outlet.
4th, avoid or reduce high tension overhead way interleave cross-line: it is known that 220kv gis combined electrical apparatus outgoing line interval
It is greater than 66kvgis combined electrical apparatus outgoing line interval.Postpone in the staggered hierarchal arrangement cloth of square-shaped radiation shape, 220kv gis combination electricity
Device outlet and 66kv gis combined electrical apparatus outlet are in that staggered layering is installed, and this new electric arrangement ensure that each voltage
The outlet of grade meets the safe distance of electrical design, can adopt 66kv for immediately below 220kv gis combined electrical apparatus interval
Gis cable to increase circuit into and out of line.
5th, square bus part builds: original straight line gis bus is changed to square bus by rectilinear generatrix, square bus is
It is made up of the polygon merogenesis rectilinear generatrix with fixed installation angle.220kv is divided by the design of square busbar arrangement with 66kv
Layer arrangement, wherein 220kv equipment interval is arranged on upper strata bus, and 66kv equipment interval is arranged on lower floor's bus.
6th, it is adapted for mount on underground gis Substation Design: square-shaped radiation shape gis transformer station arrangement also is adapted for being arranged on underground
Gis transformer station full cable line arrangement.
Brief description
Fig. 1 is three-dimensional effect diagram of the present invention.
Fig. 2 is cross section structure diagram of the present invention.
Fig. 3 is overlooking the structure diagram of the present invention.
In figure, 1, upper strata job platform, 2, lower floor's job platform, 3, studdle, 4, framework, 5, insulator chain, 6, female
Line, 7, fracture, 8, master control building body, 9, transformer, 10, road.
Specific embodiment
Referring to the drawings, in conjunction with specific embodiments, describe the present invention in detail.
Embodiment
As Figure 1-3, including upper strata job platform 1 and lower floor's job platform 2, upper strata job platform and lower floor's operation horizontal
Platform is square hollow structure, arranges H-shaped studdle 3 between upper strata job platform and lower floor's job platform；Upper strata operation horizontal
Platform is provided with square shape gantry 4, and insulator chain 5 is hung on square shape gantry；Bus 6 is laid in upper strata operation horizontal
On platform and lower floor's job platform, every section of bus is provided with prepared separation outlet, every layer of bus two ends have a fracture 7；On
Floor height combinations of voltages electrical equipment and lower floor's low-voltage combined electrical apparatus staggered hierarchal arrangement arrangement；Interior two main transformers of standing are respectively mounted
In transformer station both sides of the road, the high-pressure side sleeve pipe inlet wire of transformer is by the main switch of a main transformer being arranged on upper platform
The drainage wire of outlet casing tube enters transformer primary side bushing, by transformer secondary low pressure after high voltage variable low pressure after drawing
Side sleeve pipe is drawn through the secondary main switch of No. two main transformers that drainage wire introduces lower floor's platform.Gis transformer station master control building body 8 and electricity
Container group room is arranged on the hollow position of square platform.Described master control building one floor is indoor capacitor bank and equipment mounting layer；
Two layers is toolroom；Three layers is control room and upper strata job platform imports and exports corridor；Four floor, five floor are protection room.
Square bus part builds as shown in figure 1, transforming original straight line gis bus as square bus, square bus is
It 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 goes out
Mouth interval is arranged on lower floor's bus.The 220kv equipment interval of upper strata bus and lower floor's bus 66kv equipment interval are according to design angle
Degree is staggered, lifting and the maintenance being staggered for ensureing interval.In the middle of 220kv and 66kv layered arrangement, cut-off is installed
Layer, 220kv and 66kv is provided with insulating course between interval, meets the regulation of safety operation regulations correlation operation.
Square-shaped radiation feature is applied: it is known that 220kv gis combined electrical apparatus outgoing line interval is greater than 66kv gis combination
Electrical equipment outgoing line interval.Postpone in the square-shaped radiation shape hierarchal arrangement cloth that interlocks, 220kv gis combined electrical apparatus outlet and 66kv gis group
Closing electrical equipment outlet is in that staggered layering is installed, and this new electric arrangement ensure that the outlet of each electric pressure meets electricity
The safe distance of gas design, can be increased into and out of line using 66kv gis cable for immediately below 220kv gis combined electrical apparatus interval
Ledger line road.
Square-shaped radiation shape gis transforming plant main transformer interval builds: square bus two ends have a fracture, distance between fracture
Match with transformer station entranceway 10, a main road is used for delivering heavy duty work equipment.
Interior two main transformers of standing are separately mounted to transformer station both sides of the road, and the high-pressure side sleeve pipe inlet wire of transformer is by pacifying
Transformer primary side high pressure is entered after the drainage wire extraction of the main switch outlet casing tube of a main transformer being contained in upper platform
Sleeve pipe, is drawn through, by transformer secondary low-pressure side sleeve pipe, No. two main transformers that drainage wire introduces lower floor's platform after high voltage variable low pressure
Secondary main switch.
Square-shaped radiation shape gis substation inspection: square-shaped radiation shape gis substation inspection is fairly simple, by entrance main road one
Side enters upper inlet main road opposite side after lower floor's 66kv spacing devices carry out making an inspection tour a circle and returns after making an inspection tour upper strata 220kv spacing devices
Return starting point.The transformer of main road both sides, capacitor bank, pt are individually maked an inspection tour.
Claims (1)
1. square-shaped radiation shape gis substation structure is arranged it is characterised in that including upper strata job platform and lower floor's job platform, on
Layer job platform and lower floor's job platform are square hollow structure, arrange flat between upper strata job platform and lower floor's job platform
Platform pillar；Upper strata job platform is provided with framework, and insulator chain hangs architecturally；Bus be laid in upper strata job platform and under
On layer job platform, 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 staggered hierarchal arrangement arrangement；Main transformer is separately mounted to transformer station's road two
Side, gis transformer station master control building body and capacitor bank room are arranged on the hollow position of square platform；Described bus is had by multistage
There is fixed angle straight line gis bus to install to be formed by connecting；Low-voltage group is installed immediately below described upper strata high voltage combined electrical apparatus
Close appliance cord into and out of line；The distance between described bus fracture and transformer station entranceway width match；Described is flat
Platform pillar is H-shaped；Described framework is square shape door shape；Described master control building one floor is indoor capacitor bank and equipment is installed
Layer；Two layers is toolroom；Three layers is control room and upper strata job platform imports and exports 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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104600612A CN104600612A (en) | 2015-05-06 |
| CN104600612B true CN104600612B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510089497.3A Active CN104600612B (en) | 2015-02-27 | 2015-02-27 | Square radial GIS (gas insulated switchgear) transformer substation structure arrangement |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914590B (en) * | 2015-12-31 | 2019-02-01 | 安徽华电工程咨询设计有限公司 | A kind of GIS substation distribution outlet system |
Family Cites Families (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 |
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