CN102368594A - Double-bus single-segment GIS power distribution device line arrangement structure - Google Patents
Double-bus single-segment GIS power distribution device line arrangement structure Download PDFInfo
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- CN102368594A CN102368594A CN2011103926412A CN201110392641A CN102368594A CN 102368594 A CN102368594 A CN 102368594A CN 2011103926412 A CN2011103926412 A CN 2011103926412A CN 201110392641 A CN201110392641 A CN 201110392641A CN 102368594 A CN102368594 A CN 102368594A
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- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910018503 SF6 Inorganic materials 0.000 description 1
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Abstract
The invention discloses a double-bus single-segment GIS power distribution device line arrangement structure which is especially suitable for a situation that there is a plurality of same name overhead outlet loops in a double-bus single-segment GIS high voltage power distribution device. The structure provided in the invention is a double-bus single-segment GIS power distribution device bus three-column arrangement structure which can reasonably distribute same name overhead lines to different segments and has no crossed line, the structure comprises a same name loop which is provided with at least two GIS power distribution devices and a bus three-column arrangement structure, wherein a front bus and an end bus are connected by a segmenting device, a front outlet loop of each same name loop is installed on the front bus and a middle bus, an end outlet loop is installed on the back bus and the middle bus, and the front outlet loop and the end outlet loop are on a same section. According to the GIS power distribution device line arrangement structure, security and reliability of power supply are substantially improved, a place is saved, investment cost is reduced, and maintenance and construction of an expansion project are facilitated.
Description
Technical field
The present invention relates to the single segmentation GIS of a kind of double-bus power distribution equipment circuit arrangement, especially be suitable for the more situation in overhead outlet of the same name loop in the single segmentation GIS of the double-bus high voltage distribution installation
Background technology
In high voltage distribution installation; Sulfur hexafluoride gas-insulating and fully-enclosed power distribution equipment (being called for short GIS) is compared with air-insulated conventional power distribution equipment commonly used (being called for short AIS), and it is little to have floor space, and the fail safe reliability is high; Advantages such as maintenance workload is little are widely used gradually.
GIS high voltage distribution installation for the single-row layout of the single segmentation of double-bus; Intersect for fear of overhead transmission line; Need the loop of the same name of power supply and load is arranged on the same section bus, therefore loop of the same name must have a power failure simultaneously when enlarging at interval, bus maintenance and busbar fault, has reduced power supply reliability.
As shown in Figure 1 is existing GIS power distribution equipment wiring schematic diagram; What adopt is the single disjunction connection type of double-bus; Its GIS bus is that biserial is arranged; Comprise upper bus 1M, bottom left side section bus 2M and lower right section bus 3M, adopt sectioning 6 to connect between a left side, bottom section bus 2M and the lower right section bus 3M, all adopt bus bar connector to be connected between upper bus 1M and a left side, bottom section bus 2M and the lower right section bus 3M.Between upper bus 1M and a left side, bottom section bus 2M and lower right section bus 3M, be connected with main transformer jockey 7, bus equipment 8, bus bar connector 16 respectively; Article two, loop of the same name; On bus 1M and a left side, bottom section bus 2M, be loop 1,2 of the same name wherein, loop 1 of the same name comprises that two go out line loop 1A, 1B, and loop 2 of the same name comprises that also two go out line loop 2A, 2B; On bus 1M and lower right section bus 3M, with bus 1M and down the set-up mode of step left side section bus 2M is identical, do not giving unnecessary details.
The circuit layout that is connected on the section bus 2M of a bus 1M and bottom left side is elaborated, two of loop 1 of the same name go out line loop 1A, 1B arranged adjacent at present, and two of loop 2 of the same name go out also arranged adjacent of line loop 2A, 2B.Though this arrangement form can satisfy general power supply reliability requirement; But still have the shortcoming that reduces power supply reliability under special circumstances: (1) is when high voltage distribution installation outlet power supply, when Load distribution is uneven; Connecting like bus 1M, 2M is load entirely; It is power supply entirely that bus 1M, 3M connect, and then its bus running manner is extremely dumb; (2) when with busbar fault or the maintenance of section or when extending new loop at interval, loop of the same name must have a power failure simultaneously, has reduced power supply reliability.Cause the reason of the problems referred to above to be: loop of the same name is mounted on the identical double-bus; Go out like loop of the same name that line loop 1A, 1B all are connected on bus 1M, 2M is last; And will loop of the same name be installed on two sections different buses; As go out line loop 1A and be connected on bus 1M, 2M is last, goes out that line loop 1B is connected on bus 1M, 3M is last, just must cause the overhead transmission line scissors crossing.
Summary of the invention
Technical problem to be solved by this invention provide a kind of can be in different sections with overhead transmission line of the same name, power supply and load loop reasonable distribution, circuit is the single segmentation GIS of the double-bus power distribution equipment circuit arrangement of not scissors crossing again.
The single segmentation GIS of the double-bus that technical problem to be solved by this invention adopted power distribution equipment circuit arrangement; Comprise at least two loops of the same name that are provided with the GIS power distribution equipment; Double-bus is made up of three row buses of parallel arranged; Comprise preceding bus, median generatrix, back bus, adopt sectioning to connect between wherein preceding bus and the back bus; Preceding bus all adopts bus bar connector to be connected with median generatrix, back bus with median generatrix; Go out before each loop of the same name comprises line loop with after go out line loop, preceding go out line loop and be installed in before on bus and the median generatrix, after go out line loop and install afterwards on the bus and median generatrix; Go out before the above-mentioned same loop of the same name line loop with after go out line loop on same section.
Before corresponding each loop of the same name, the preceding bus outside, go out line loop and be provided with preceding outlet structure, go out line loop before described to be connected with the preceding outlet of said preceding outlet structure; Behind corresponding each loop of the same name, the bus outside, back, go out line loop and be provided with the back outlet structure; Go out after described that lead is connected between the frame between line loop and back outlet structure and the preceding outlet structure, between frame lead again with preceding outlet structure on back outlet be connected.
Preceding outlet before described on the outlet structure is lower than the back outlet.
Preceding bus is arranged in the median generatrix both sides with the back bus.
Before go out line loop, after go out line loop and be connected with lightning arrester respectively.
Adopt the fail safe and the reliability of GIS power distribution equipment bus three its power supplies of row arrangement of the present invention greatly to improve, practice thrift the place, reduce cost of investment, and be convenient to keep in repair the construction with extension project.
Description of drawings
Fig. 1 is the single segmentation GIS of an existing double-bus power distribution equipment wiring schematic diagram;
Fig. 2 is the single segmentation GIS of a double-bus of the present invention power distribution equipment wiring schematic diagram;
Fig. 3 is that the section among Fig. 2 is arranged sketch map.
Mark among the figure: 1,2-loop of the same name goes out line loop, 1M, 2M, 3M-bus, 6-sectioning after going out line loop, 2A, 2B-before 1A, the 1B-; 7-main transformer jockey, the 8-bus equipment, 9-hangs down the frame outlet; The overhead outlet of 10-, outlet structure behind outlet structure, the 13-before the 11-lightning arrester, 12-; Lead between the 14-frame, 15-ground wire, 16-bus bar connector.
Embodiment
The single segmentation GIS of double-bus of the present invention power distribution equipment circuit arrangement is as shown in Figure 2; Comprise at least two loops of the same name that are provided with the GIS power distribution equipment; Double-bus is made up of three row buses of parallel arranged; Comprise the median generatrix 1M in the middle of being arranged in, be arranged in the preceding bus 2M and back bus 3M of median generatrix 1M both sides, adopt sectioning 6 to connect between wherein preceding bus 2M and the back bus 3M; Adopt bus bar connector 16 to be connected between median generatrix 1M and the preceding bus 2M, median generatrix 1M with afterwards also adopt another bus bar connector 16 to be connected between the bus 3M.Go out before each loop of the same name comprises line loop with after go out line loop, as loop 1 of the same name comprise be installed in before on bus 2M and the median generatrix 1M before go out line loop 1A, be installed on afterwards the bus 3M and median generatrix 1M after go out line loop 1B; Loop 2 of the same name equally also comprise be installed in before on bus 2M and the median generatrix 1M before go out line loop 2A, be installed on afterwards the bus 3M and median generatrix 1M after go out line loop 2B.And go out before the above-mentioned same loop of the same name line loop with after go out line loop on same section.Wherein said forward and backward be to define according to the outlet direction that goes out line loop in the accompanying drawing.
Before corresponding each loop of the same name, the preceding bus 2M outside, go out line loop 1A, 1B branch is provided with preceding outlet structure 12, outlet structure 13 after going out line loop 2A, 2B behind corresponding each loop of the same name, the bus 3M outside, back and being respectively arranged with.As shown in Figure 3, preceding outlet structure 12 highly is higher than back outlet structure 13, and preceding outlet structure 12 is divided into three layers, is followed successively by the safe distance requirement that distance between 9, three layers of the ground wires 15, back outlet 10, preceding outlet satisfies transmission line from top to bottom.The preceding outlet 9 that goes out before each on line loop 1A, the 1B preceding outlet structure 12 corresponding with it connects.Go out between corresponding with it respectively back outlet structure 13 of line loop 2A, 2B and the frame between the preceding outlet structure 12 lead 14 after each and connect, between frame lead 14 again with preceding outlet structure 12 on back outlet 10 be connected.Preceding outlet 9 and back outlet 10 connecting systems.
Since each loop of the same name before go out line loop with after go out line loop on same section; And the preceding outlet 9 on the preceding outlet structure 12 is set to be lower than back outlet 10, and outlet structure 13 connects that lead 14 can not take place intersect and interfere with preceding outlet 9 between the frame of coming from the back.Though so just realized loop of the same name before go out line loop with after go out line loop and be installed on the different buses, the line loop that goes out in different loops of the same name can not intersect and cross over each other yet.
Installing for 13 times with the back outlet structure at preceding outlet structure 12 simultaneously has lightning arrester 11 respectively, lightning arrester 11 respectively with preceding go out line loop 1A, 1B, after go out line loop 2A, 2B is connected.
Adopt this mode to have the following advantages: included two in (1) loop of the same name 1 go out line loop 1A, 1B and have been connected on respectively on three sections bus 1M, 2M and 3M; All be connected on the same section bus with respect to loop of the same name in the existing power distribution equipment, its reliability greatly improves.(2) avoided in existing GIS power distribution equipment loop of the same name is arranged in the shortcoming of the outlet line scissors crossing that causes on the different section buses.(3) one section bus such as 2M break down or when overhauling therein, and another section bus 3M can also guarantee that another goes out line loop in the loop of the same name and normally move.(4) along with the development of system, when the new loop of needs enlarging, also can be only to wherein one section bus 2M or 3M power cut construction, and can not cause whole power failure the in loop of the same name not impact to system.
Claims (5)
1. the single segmentation GIS of double-bus power distribution equipment circuit arrangement comprises at least two loops of the same name that are provided with the GIS power distribution equipment, it is characterized in that,
Double-bus is made up of three row buses of parallel arranged, comprises preceding bus (2M), median generatrix (1M), back bus (3M), adopts sectioning (6) to connect between wherein preceding bus (2M) and the back bus (3M); Preceding bus (2M) all adopts bus bar connector (16) to be connected with median generatrix (1M), back bus (3M) with median generatrix (1M);
Go out before each loop of the same name comprises line loop with after go out line loop, precedingly go out line loop and be installed on preceding bus (2M) and the median generatrix (1M), after go out line loop and install on back bus (3M) and the median generatrix (1M);
Go out before the same loop of the same name line loop with after go out line loop on same section.
2. the single segmentation GIS of double-bus as claimed in claim 1 power distribution equipment circuit arrangement; It is characterized in that; Before corresponding each loop of the same name, the preceding bus outside, go out line loop (1A, 1B) and be provided with preceding outlet structure (12), go out line loop (1A, 1B) before described to be connected with the preceding outlet (9) of said preceding outlet structure (12);
Behind corresponding each loop of the same name, the bus outside, back, go out line loop (2A, 2B) and be provided with back outlet structure (13);
Go out after described that lead (14) is connected between the frame between line loop (2A, 2B) and back outlet structure (13) and the preceding outlet structure (12), lead between frame (14) again with preceding outlet structure (12) on back outlet (10) be connected.
3. the single segmentation GIS of double-bus as claimed in claim 2 power distribution equipment circuit arrangement is characterized in that the preceding outlet (9) on the outlet structure before described (12) is lower than back outlet (10).
4. the single segmentation GIS of double-bus as claimed in claim 1 power distribution equipment circuit arrangement is characterized in that preceding bus (2M) and back bus (3M) are arranged in median generatrix (1M) both sides.
5. the single segmentation GIS of double-bus as claimed in claim 1 power distribution equipment circuit arrangement is characterized in that, preceding go out line loop (1A, 1B), after go out line loop (2A, 2B) and be connected with lightning arrester (11) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103926412A CN102368594A (en) | 2011-12-01 | 2011-12-01 | Double-bus single-segment GIS power distribution device line arrangement structure |
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| CN2011103926412A CN102368594A (en) | 2011-12-01 | 2011-12-01 | Double-bus single-segment GIS power distribution device line arrangement structure |
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| CN102368594A true CN102368594A (en) | 2012-03-07 |
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| CN2011103926412A Pending CN102368594A (en) | 2011-12-01 | 2011-12-01 | Double-bus single-segment GIS power distribution device line arrangement structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240884A (en) * | 2017-07-24 | 2017-10-10 | 青海省电力设计院 | A kind of arrangement of power distribution equipment HGIS equipment |
| CN107749567A (en) * | 2017-11-28 | 2018-03-02 | 国家电网公司 | A kind of power distribution equipment of double bus scheme |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038724A (en) * | 1988-03-11 | 1990-01-10 | 株式会社日立制作所 | Gas insulating distribution apparatus |
| JPH10295008A (en) * | 1997-04-17 | 1998-11-04 | Hitachi Ltd | Composite gas insulated substation equipment |
| JP3057141B2 (en) * | 1994-11-15 | 2000-06-26 | 株式会社東芝 | Gas insulated switchgear |
| CN201430367Y (en) * | 2009-06-26 | 2010-03-24 | 福建省电力勘测设计院 | 110kV/220kV voltage level combined electrical appliances |
| CN201562890U (en) * | 2009-09-28 | 2010-08-25 | 中国电力工程顾问集团西北电力设计院 | Power distribution device arranged in three rows for outdoor opening type circuit breaker |
| CN201910590U (en) * | 2010-12-31 | 2011-07-27 | 四川电力设计咨询有限责任公司 | GIS (Geographic Information System) distribution structure |
| CN202340066U (en) * | 2011-12-01 | 2012-07-18 | 四川电力设计咨询有限责任公司 | Double-bus single-section GIS (gas insulated switchgear) distribution device circuit layout structure |
-
2011
- 2011-12-01 CN CN2011103926412A patent/CN102368594A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038724A (en) * | 1988-03-11 | 1990-01-10 | 株式会社日立制作所 | Gas insulating distribution apparatus |
| JP3057141B2 (en) * | 1994-11-15 | 2000-06-26 | 株式会社東芝 | Gas insulated switchgear |
| JPH10295008A (en) * | 1997-04-17 | 1998-11-04 | Hitachi Ltd | Composite gas insulated substation equipment |
| CN201430367Y (en) * | 2009-06-26 | 2010-03-24 | 福建省电力勘测设计院 | 110kV/220kV voltage level combined electrical appliances |
| CN201562890U (en) * | 2009-09-28 | 2010-08-25 | 中国电力工程顾问集团西北电力设计院 | Power distribution device arranged in three rows for outdoor opening type circuit breaker |
| CN201910590U (en) * | 2010-12-31 | 2011-07-27 | 四川电力设计咨询有限责任公司 | GIS (Geographic Information System) distribution structure |
| CN202340066U (en) * | 2011-12-01 | 2012-07-18 | 四川电力设计咨询有限责任公司 | Double-bus single-section GIS (gas insulated switchgear) distribution device circuit layout structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240884A (en) * | 2017-07-24 | 2017-10-10 | 青海省电力设计院 | A kind of arrangement of power distribution equipment HGIS equipment |
| CN107240884B (en) * | 2017-07-24 | 2023-09-26 | 青海省电力设计院 | Distribution device HGIS equipment's arrangement structure |
| CN107749567A (en) * | 2017-11-28 | 2018-03-02 | 国家电网公司 | A kind of power distribution equipment of double bus scheme |
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Application publication date: 20120307 |