CN208284790U - The single-row arrangement GIS device of 220kV bus extended type - Google Patents
The single-row arrangement GIS device of 220kV bus extended type Download PDFInfo
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- CN208284790U CN208284790U CN201820522632.8U CN201820522632U CN208284790U CN 208284790 U CN208284790 U CN 208284790U CN 201820522632 U CN201820522632 U CN 201820522632U CN 208284790 U CN208284790 U CN 208284790U
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- 238000009434 installation Methods 0.000 claims abstract description 3
- 238000013461 design Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 abstract description 7
- 229910018503 SF6 Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 3
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 3
- 229960000909 sulfur hexafluoride Drugs 0.000 description 3
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Abstract
The utility model relates to a kind of transformer station combined electric appliance power distribution equipments, especially a kind of single-row arrangement GIS device of 220kV bus extended type, its structural feature is, the line side voltage transformer of two groups of buses is installed on upwards above line side outlet branch bar, wherein B group bus is installed on the lower section of the line side voltage transformer of its own group and A group bus, the current transformer of B group bus to the long casing connection between breaker by being provided with branch bar；And A group bus organizes other breaker installation where it, the lower space of the long casing connected between current transformer and breaker where being located at B group bus with the line-outgoing equipment staggered place of B group bus；Thus two groups of buses of A, B are in isometric, parallel and coplanar low position.The utility model advantage is: construction is simple is convenient, does not change power distribution equipment integral layout, without the double-deck outlet, effectively reduces construction cost, and connections are clearly simple, improves reliability of operation, while reducing the difficulty of O&M.
Description
Technical field
The utility model relates to a kind of transformer station combined electric appliance power distribution equipment, especially a kind of 220kV bus extended type list
Column arrangement GIS device.
Background technique
In electric field, GIS(Gas Insulated Substation) be gas insulated transformer substation english name
Referred to as, refer to using sulfur hexafluoride (SF6) gas as dielectric, combine the equipment that multiple equipment and group bus are combined
Body, i.e. SF6 fully closed combined electric unit.It is by the primary equipment in a substation in addition to transformer, including breaker, isolation
Switch, earthing switch, voltage transformer, current transformer, arrester, bus, cable termination, inlet-outlet sleeve etc., it is optimized
Design is organically combined into an entirety.
It is substantially double using double-bus when inlet-outlet line feeder number is more than or equal to 15 times or system needs in standard design
Section wiring, the layout pattern of 220kV power distribution equipment have that GIS device is single-row, HGIS equipment column pipe mother biserial, AIS equipment branch
Hold pipe mother biserial, three column of AIS equipment stay pipe mother, AIS equipment column pipe mother biserial totally 5 kinds of patterns.As power grid is for safety
It is required that raising, the 220kV power distribution equipment wiring of most 500kV substations, 220kV substation needs to consider to examine in bus
Repair or failure stop transport when another bus-bar fault cause one group of 220kV bus (I/IIM is one group of bus, III/IVM be one group mother
Line) full cut-off failure mode (N-2 failure) under, avoid that the major accident that loses entirely of 220kV looped network occurs, it is desirable that 220kV line of the same name
Road is arranged in different groups of buses as far as possible.
Due to the single-row arrangement of GIS device, the coaxial word order arrangement of two groups of buses, all line facilities are same to be listed in bus
The same side is in single-row arrangement, and in order to realize line arrangement of the same name in the outlet requirement of different buses, this field generally uses following
Two ways:
1, using cable interleaved scheme: due to route of the same name is typically located in adjacent spaces (referring to attached drawing 1 and attached drawing 3,
Such as Quanzhou I and Quanzhou II), it often can only connect on same group of bus, therefore needing from arrangement will from another group of bus
Cable is taken over, and thus generates cable and intersects, considers the safety problem between cable, need to widen with electric size, so this scheme
It will generate and increase land used, improve the problems such as cost, and it is complicated to construct, route operational reliability may be lowered.
2, arranged using the direct side-by-side parallel of two groups of buses, as Chinese patent CN201120492033,
Two groups of buses are directlyed adopt simultaneously column distribution according to equipment, can regarded as III/ by technical solution described in CN201610888753
IVM bus rotates 180 degree, is then arranged in parallel with I/IIM bus, and problem is: 1) since bus length constant, each
It is constant every width, thus while being reduced in entire power distribution equipment zone length, but increased on width more；2) because
Constant for bus length, most routes needs accordingly become dually arrayed: in order to realize line arrangement of the same name on different buses,
It needs for route of the same name to be respectively distributed on the outside of two groups of buses, wherein a route of the same name uses the high outlet of frame, realize same
Direction outlet (can refer to the high outlet 9,10 of frame of the 1A and 1B and Fig. 3 in CN201120492033 attached drawing 2) or use are double
The GIS of layer arrangement, the technical solution as described in CN201610888753, the two are required to that the double-deck outlet framework is arranged, therefore not only
The integral arrangement of power distribution equipment is changed significantly, and increases Construction Arrangement workload and framework cost.
Summary of the invention
The purpose of this utility model is that according to prior art shortcoming and to provide a kind of construction is simple convenient, do not change
Become power distribution equipment integral layout, without the double-deck outlet, reduces the single-row arrangement GIS device of 220kV bus extended type of cost.
Purpose described in the utility model is realized by following approach:
The single-row arrangement GIS device of 220kV bus extended type includes tetra- sections of buses of IM, IIM, IIIM and IVM, wherein IM,
IIM is one group, and IIIM and IVM are one group, and two groups are individually identified as A group bus and B group bus, and every group of bus is via bus bar side
Disconnecting switch and earthing switch, current transformer, and breaker is accessed by bus bar side branch bar, then via line-outgoing equipment packet
Line side disconnecting switch and earthing switch, charged display device, line side voltage transformer and three-station are included to outlet line
Road, structural feature are that the line side voltage transformer of two groups of buses is installed on upwards on line side outlet branch bar
Side, wherein B group bus is installed on the lower section of the line side voltage transformer where it, the current transformer of this group of bus is to breaking
By being provided with the long casing connection of branch bar between device, the line-outgoing equipment staggered place of this B group bus and A group bus is located at A
The lower section of line side voltage transformer where group bus；And A group bus organizes other breaker installation where it, with B group
The lower section of the long casing connected between current transformer and breaker where the line-outgoing equipment staggered place of bus is located at B group bus is empty
Between；Thus two groups of buses of A, B are listed in together the same side of bus in isometric, parallel and coplanar low position, all line facilities,
In single-row arrangement.
The utility model is laid out by the equipment component to two groups of buses from bus bar side to outgoing line side, by outlet PT,
I.e. line side voltage transformer is located at below outlet branch bar from originally, is transferred to above outlet branch bar, vacates lower section
Space；The position for further changing wherein one group of bus, by it between original line side voltage transformer and breaker
Space transfer and extends the length of bus bar side branch bar, that is, extend it to the lower space of line side voltage transformer
The casing at place, at this point, two groups of buses are separated by dislocation, it is no longer layout in one line；Then two groups of buses extend respectively
It to original double length and respectively enters in the opposite space for organizing bus, A group bus and B group bus equipment staggered place are located at B
Below the extended long casing of group bus, and B group bus is then located under the line side voltage transformer of itself group and A group bus
Side, is consequently formed 2 groups of compact parallel bus arrangement forms, the parallel low position of 4 sections of main bus-bars, in this way, all line sides are set
It is standby still to distinguish route of the same name then according to design requirement positioned at this 2 groups parallel bus sides single-row arrangements of progress
Draw connecing from the bus of different groups, branch bar is partially all made of with main bus-bar infall and is crossed over from main bus-bar top to mesh
It is attached thereto at mark bus, the A group bus can be IM/IIM group bus, be also possible to IIIM/IVM group bus, then B group is then
Correspond to another set.Therefore the utility model is not necessarily to change the layout of route, does not also need to carry out the high outlet of reversed frame, construct
It is simple and convenient, do not change power distribution equipment integral layout, without the double-deck outlet, effectively reduces construction cost, and connections are clear
It is clear simple, reliability of operation is improved, while reducing the difficulty of O&M.
For the utility model compares cable interleaved scheme, since cable interleaved scheme needs to increase the sky of cable tunnel
Between, to consider the material of 220kV cable and the correlative charges of tunnel internal, and the single-row arrangement of extended type described in the utility model
GIS bus pipe is by 1.2 ten thousand every meter of calculating in GIS device, and due to not needing the correlative charges of cable and tunnel, cost is than cable
Interleaved scheme will reduce 80% or more.
For the utility model compares the direct side-by-side parallel arrangement of two groups of buses, the direct side-by-side parallel cloth of two groups of buses
The scheme of setting needs to increase dually arrayed area or is changed to rebuilding or increases instead go out framework or be changed to double-layer frame, increases and applies
The risk of work complexity and route operation, and the single-row arrangement GIS device of extended type described in the utility model only changes GIS device knot
Structure, without changing the design schemes such as original route, integral layout, whole outlet and the more original design basic one of arrangement size
It causes, wire arrangements are also more succinct, clear, can meet the requirement such as transport, operation, maintenance, inspection.
Thus more times line arrangements of the same name may be implemented in segmentation in the single-row arrangement GIS device of extended type described in the utility model
Heteropleural can be very good to solve current 500kV substation when having two sections of bus-bar faults or one section of bus inspection in tetra- sections of buses of 220kV
When repairing another section of bus-bar fault (N-2 failure), exists and multiple 220kV substations full cut-off or route heavy overload occur and cause big
The hidden danger of area power off time.
The utility model can be further specifically:
The height of phase casing where the line side voltage transformer of two groups of buses is greater than standard and designs band electrical distance.
In order to ensure operational safety, phase casing where changing the line side voltage transformer of distribution should be increased to meet
220kV charges required distance.
In conclusion the utility model provides a kind of single-row arrangement GIS device of 220kV bus extended type, by 220kV4
Group pipe mother lengthens arrangement, and it is original twice that every section of bus, which lengthens, 4 sections of bus parallel arrangements, and is confined to original set
In standby space, the circuit I/II of the same name can connect from the bus leading of different groups respectively without changing Distribution Pattern, realize more times
Line arrangement of the same name is in segmentation heteropleural.Utility model has the advantages that construction is simple is convenient, power distribution equipment entirety cloth is not changed
Office effectively reduces construction cost, and connections are clearly simple, improves reliability of operation, simultaneously without the double-deck outlet
Reduce the difficulty of O&M.
Detailed description of the invention
Fig. 1 is the conventional single-row arrangement main electrical scheme of 220kV bus GIS device described in the utility model background technique
Figure；
Fig. 2 is the main wiring diagram of the single-row arrangement GIS device of 220kV bus extended type described in the utility model；
Fig. 3 is the floor plan of routine 220kV bus GIS device described in the utility model background technique；
Fig. 4 is the floor plan of the single-row arrangement GIS device of 220kV bus extended type described in the utility model；
Fig. 5 is routine 220kV bus GIS device arrangement outlet cross-section diagram described in the utility model embodiment；It (uses
In comparison diagram 6 and Fig. 7)；
Fig. 6 is the single-row arrangement GIS device I/IIM group bus outlet section of 220kV bus extended type described in the utility model
Figure；
Fig. 7 is disconnected for the single-row arrangement GIS device III/IVM group bus outlet of 220kV bus extended type described in the utility model
Face figure.
The utility model is described further below with reference to embodiment.
Specific embodiment
Most preferred embodiment:
For the ease of comparing, first conventional 220kV bus GIS device arrangement is described, referring to attached drawing 5, and is tied
It closes attached drawing 1 and attached drawing 3, conventional 220kV bus GIS device is respectively disposed with main bus-bar (I/IIM group from bus bar side to outgoing line side
Or III/IVM group), bus bar side disconnecting switch and earthing switch DS, Current Transmit, and breaker is accessed by branch bar
CB, then via outlet branch bar along Current Transmit, outgoing line side disconnecting switch and earthing switch DS, electrification display dress
It sets, line side voltage transformer pt and three-station sequentially connect.Line side voltage transformer pt is located at outlet branch bar
Lower section, and main bus-bar is then located in the space between line side voltage transformer pt equipment and breaker CB.4 sections of two two-phases of bus
It connects, 2 sections of parallel bus arrangement forms in one line is formed, as shown in attached drawing 1,3.
With further reference to attached drawing 2,4,6,7, technical solution of the present invention is to above-mentioned conventional routine 220kV double-bus point
Section GIS device scheme is changed as follows:
1, the line side voltage transformer pt of two groups of buses is located at below outlet branch bar from originally, is transferred to outlet
Above branch bar, the space of lower section is vacated；As shown in Figures 6, 7.
2, by III/IVM group bus (being also possible to I/IIM group bus) from original line side voltage transformer pt and open circuit
Space transfer between device CB and extends the length of bus bar side branch bar to the lower space of line side voltage transformer pt,
Namely extend Current Transmit to the casing connected between breaker CB, and vacates the space below casing.Such as 7 institute of attached drawing
Show.
3, by 2 times for being extended for original length of III/IVM group bus, full bus of organizing is located at III/IVM group bus and I/
In IIM group bus line side voltage transformer pt shift and in the space vacated, such as attached drawing 6,7, equally, I/IIM group bus
2 times of original length are extended for, breaker CB is abutted in itself group, and is then located at III/IVM group bus staggered place
III/IVM group bus extends space where below casing.
The line side voltage transformer of two groups of buses is installed on upwards above line side outlet branch bar as a result,
One end of middle III/IVM group bus is installed on the lower section of the line side voltage transformer where it, while current transformer is to disconnected
By being provided with the long casing connection of branch bar between the device of road, this III/IVM group bus and I/IIM group bus equipment staggered place
Positioned at the lower section of the line side voltage transformer where I/IIM group bus；And breaker peace of the I/IIM group bus where it
Dress connects between current transformer and breaker where being located at III/IVM group bus with the group bus equipment staggered place III/IVM
The lower space of long casing；Thus two groups of buses are in isometric, parallel and coplanar low position, and all line facilities are same to be listed in
The same side of bus is in single-row arrangement.The position of above-mentioned I/IIM group bus and III/IVM group bus can be interchanged, i.e., by I/
IIM group bus changes the lower section that the line side voltage transformer where it is moved to outside position.
Referring to attached drawing 2 and attached drawing 4, comparison attached drawing 1,3 can refer to, 220kVGIS wiring described in the utility model is double-bus
220kV4 group pipe mother is lengthened and is arranged by double section wirings, and it is original twice that every section of bus, which lengthens, 4 sections of bus parallel arrangements,
Transmission line circuit of the same name connects on different groups of other buses (I/IIM is one group of bus, III/IVM is one group of bus) respectively.Open circuit
The single-row arrangement of device is arranged in the middle part of the region GIS, vertical；The parallel low position of 4 sections of main bus-bars, bus top connect bus
Side disconnecting switch and earthing switch, and breaker is accessed by branch bar, wherein away from the farther away circuit III/IVM of breaker point
Branch bus is longer, across I/IIM bus but will disconnect；Breaker upper outlet connects current transformer, breaker, outgoing line side
The equipment such as disconnecting switch and earthing switch, charged display device, line side voltage transformer and three-station, eventually by set
Pipe is connected with outer lead.
The utility model occupies the position conventional 220kV arrangement outlet PT with the III/IVM bus pipe lengthened
Example, need to be arranged in outlet branch bar top using outlet PT after the single-row arrangement GIS device of 220kV bus extended type, go out simultaneously
Phase casing where line PT is increased to meet 220kV electrification required distance.Remaining main transformer inlet wire, mother set, mother feelings at equal intervals
Condition can refer to outgoing line interval, and branch bar is partially all made of with main bus-bar infall and is crossed over from main bus-bar top to from target bus
It is attached thereto.The utility model only changes GIS device structure, does not change original design scheme, whole outlet and arrangement size
More original design is almost the same, is allowed to meet more times line arrangements of the same name in segmentation heteropleural, single-row arrangement GIS device is integrally whole
Together, symmetrically, it is beautiful, framework and wire arrangements are also more succinct, clear, and highway layout is reasonable, can meet transport, operation, safeguard, patrols
Inspection etc. requires, smaller to the change of original arrangement, only increases 220kVGIS cost of equipment, does not increase use in substation station separately
Ground.
The not described part of the utility model is same as the prior art.
Claims (2)
- The single-row arrangement GIS device of 1.220kV bus extended type includes tetra- sections of buses of IM, IIM, IIIM and IVM, wherein IM, IIM is one group, and IIIM and IVM are one group, and two groups are individually identified as A group bus and B group bus, and every group of bus is via bus bar side Disconnecting switch and earthing switch, current transformer, and breaker is accessed by bus bar side branch bar, then via line-outgoing equipment packet Line side disconnecting switch and earthing switch, charged display device, line side voltage transformer and three-station are included to outlet line Road, which is characterized in that the line side voltage transformer of two groups of buses is installed on upwards above line side outlet branch bar, Middle B group bus is installed on the lower section of the line side voltage transformer where it, the current transformer of this group of bus to breaker it Between by being provided with the long casing connection of branch bar, the line-outgoing equipment staggered place of this B group bus and A group bus is located at A group mother The lower section of line side voltage transformer where line；And A group bus organizes other breaker installation where it, with B group bus Line-outgoing equipment staggered place be located at B group bus where the lower space of long casing that is connected between current transformer and breaker； Thus two groups of buses of A, B are in the same side for being listed in bus in isometric, parallel and coplanar low position, all line facilities Single-row arrangement.
- 2. the single-row arrangement GIS device of 220kV bus extended type according to claim 1, which is characterized in that described two groups female The height of phase casing where the line side voltage transformer of line is greater than standard and designs band electrical distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820522632.8U CN208284790U (en) | 2018-04-11 | 2018-04-11 | The single-row arrangement GIS device of 220kV bus extended type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820522632.8U CN208284790U (en) | 2018-04-11 | 2018-04-11 | The single-row arrangement GIS device of 220kV bus extended type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208284790U true CN208284790U (en) | 2018-12-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820522632.8U Withdrawn - After Issue CN208284790U (en) | 2018-04-11 | 2018-04-11 | The single-row arrangement GIS device of 220kV bus extended type |
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| Country | Link |
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| CN (1) | CN208284790U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390262A (en) * | 2018-04-11 | 2018-08-10 | 中国电建集团福建省电力勘测设计院有限公司 | The single-row arrangement GIS device of 220kV busbar extended types |
-
2018
- 2018-04-11 CN CN201820522632.8U patent/CN208284790U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390262A (en) * | 2018-04-11 | 2018-08-10 | 中国电建集团福建省电力勘测设计院有限公司 | The single-row arrangement GIS device of 220kV busbar extended types |
| CN108390262B (en) * | 2018-04-11 | 2023-11-10 | 中国电建集团福建省电力勘测设计院有限公司 | 220kV bus lengthening type single-row arrangement GIS equipment |
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| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181225 Effective date of abandoning: 20231110 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181225 Effective date of abandoning: 20231110 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |