CN103701045A - Arrangement method of dual-bus and dual-row arranged type AIS (air insulated switchgear) power distribution device of substation - Google Patents
Arrangement method of dual-bus and dual-row arranged type AIS (air insulated switchgear) power distribution device of substation Download PDFInfo
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- CN103701045A CN103701045A CN201310732897.2A CN201310732897A CN103701045A CN 103701045 A CN103701045 A CN 103701045A CN 201310732897 A CN201310732897 A CN 201310732897A CN 103701045 A CN103701045 A CN 103701045A
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Abstract
The invention discloses an arrangement method of a dual-bus and dual-row arranged type AIS (air insulated switchgear) power distribution device of a substation. The method is characterized by comprising the following steps of arranging a tube bus I and a tube bus II at the proper height positions, arranging each bus isolation switch and each line outgoing loop circuit breaker under the two groups of tube buses, and respectively arranging each electrical equipment on a ground equipment bracket; respectively arranging line outgoing loop circuit breakers from bays, such as a line-main transformer bay, a line-bus tie bay and a line-bus equipment bay, into a row in the direction parallel with the tube buses, and positioning at the line outgoing side of the tube bus I; arranging the main transformer loop circuit breakers of each line-main transformer bay into a row in the parallel direction, and positioning at the line incoming side of the tube bus I; enabling the bus isolation switches in the line-main transformer bay to adopt vertical telescopic type 0-degree isolation switches. The method has the advantage that by reasonably arranging the plane height of the tube buses, the dual-layer arrangement layout of the tube buses and the equipment is formed, so the land is effectively utilized, and the land occupation is saved.
Description
Technical field
The present invention relates to a kind of AIS of transformer station power distribution equipment arrangement, be particularly suitable for the AIS power distribution equipment arrangement of double-bus structure, circuit breaker dually arrayed.
Background technology
Different according to the type of insulation of equipment, transformer station's power distribution equipment can be divided into GIS(Gas Insulated Switchgear, gas-insulating and fully-enclosed switch), HGIS(Hybrid Gas Insulated Switchgear, Mixed gas insulation switch), AIS(Ais Insulated Switchgear, air insulation switch) three kinds of patterns, applying at present maximum is GIS and AIS power distribution equipment.Wherein, GIS power distribution equipment is reliable, characteristics of compact layout, floor space are little, but involve great expense, interruption duration is long and coverage is large during accident; AIS power distribution equipment reduced investment, operation maintenance convenience, operating experience are enriched, but floor space is larger, inapplicable in the nervous area, city of occupation of land.HGIS equipment is between AIS and GIS, and its pattern and GIS are basic identical, but does not comprise bus equipment.Because floor space is large more many than GIS, output investment ratio GIS saves limited, and range of application is less.
The reason that AIS power distribution equipment floor space is large is that electric equipment size is larger, and its power distribution equipment district size is generally controlled by lower floor's equipment size.The 2011 editions universal design C-2-220 schemes of State Grid Corporation of China of 220kV AIS transformer station of take are example, circuit-main transformer interval as shown in Figure 3, this scheme adopts double-bus structure, circuit breaker dually arrayed, circuit-main transformer interval (comprising line loop and main transformer loop) includes four groups of bus isolating switchs, wherein line loop I isolating switch 2A adopts horizontal retractable isolating switch, be arranged in the outgoing line side of I bus 4a, below I bus 4a, do not arrange any electric equipment, line loop II isolating switch 2B adopts 45 ° of isolating switches of vertical-telescopic, phase-splitting is arranged in the below of II bus 4b, the fixed contact of 45 ° of isolating switches of vertical-telescopic is directly fixed on bus.Main transformer loop III isolating switch 2C adopts horizontal retractable isolating switch, be arranged in the inlet wire side of I bus 4a, main transformer loop IV isolating switch 2D adopts 0 ° of isolating switch of vertical-telescopic, be arranged in intermediate frame 13c below, the fixed contact of 0 ° of isolating switch of vertical-telescopic is fixed on suspension type post insulator 5a.Manage female place level close with circuit breaker height, transmission line circuit circuit breaker 7a and main transformer circuit breaker 7b are arranged in bus outside, establish maintenance road 12 between transmission line circuit circuit breaker 7a and transmission line circuit current transformer 8a.Transmission line circuit outgoing line side isolating switch 9a and voltage transformer 10 are arranged on the outside of transmission line circuit current transformer 8a, main transformer circuit breaker 7b, main transformer loop current instrument transformer 8b, main transformer loop inlet wire side isolating switch 9b and lightning arrester 11 are arranged successively towards inlet wire direction in main transformer loop, lightning arrester 11 is arranged on the below of inlet wire framework 13d, and cross-line 16 is erected between outlet structure and intermediate frame 13c.In this version, have two groups of bus isolating switchs to adopt horizontal retractable to arrange, one group of bus isolating switch adopts 45 ° of layouts of vertical-telescopic, and equipment longitudinal size is larger, other equipment is arranged without space in bus below, and the longitudinal size of whole power distribution equipment is difficult to compression.The longitudinal size of this power distribution equipment is 76.5m.
Summary of the invention
The present invention is for overcoming the existing weak point of above-mentioned prior art, a kind of longitudinal size that can reduce power distribution equipment district is provided, thereby reduce transformer station, take up an area the double-bus dually arrayed AIS of the transformer station power distribution equipment arrangement of expansion AIS power distribution equipment range of application.
The present invention is that technical solution problem adopts following technical scheme:
The double-bus dually arrayed AIS of transformer station power distribution equipment arrangement of the present invention, at power distribution equipment on-site, transmission line circuit and main transformer loop, mother loop, mother establishes loop and merges respectively and be arranged in circuit-main transformer interval, circuit-mother interval and circuit-mother establish in interval, be characterized in: two groups of pipes that are supported on bus framework by post insulator are set female, respectively that No. I pipe mother and No. II pipe are female, described two groups of pipe mothers are set to be on suitable height and position, so that each bus isolating switch and transmission line circuit circuit breaker are arranged in two groups of pipe mothers' below, comprise described each bus isolating switch, transmission line circuit circuit breaker and main transformer circuit breaker are installed on ground installation support at each interior electric equipment, comprise that the transmission line circuit circuit breaker that circuit-main transformer interval, circuit-mother interval and circuit-mother establish in each interval at interval forms a line along the female parallel direction of pipe, and be positioned at the described No. I female outgoing line side of pipe, main transformer circuit breaker in each circuit-main transformer interval forms a line along parallel direction, and is positioned at the described No. I female inlet wire side of pipe, at bus isolating switch described in described circuit-main transformer interval, all adopt 0 ° of isolating switch of vertical-telescopic.
The feature of the double-bus dually arrayed AIS of transformer station power distribution equipment arrangement of the present invention is also:
Described two groups of pipe mothers' bus framework is integral type structure, form bus and merge framework, described bus merges framework to be supported by bus truss column respectively in I Guan Mu both sides, described bus merges framework, and at II Guan Mu place, one side direction outgoing line side extends and is supported by the outlet structure of power distribution equipment on-site, forms the association that bus merges framework and outlet structure.
At described power distribution equipment on-site, maintenance road is positioned at the outside of outlet structure.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, the present invention manages female place level by rationally arranging, and bus isolating switch and transmission line circuit circuit breaker are arranged in to pipe mother below, forms and manages female and equipment rebuilding general layout, effectively utilizes space.
2, the present invention adopts 0 ° of isolating switch of vertical-telescopic as bus isolating switch, conventional horizontal retractable and 45 ° of isolating switches of vertical-telescopic in transformer station in alternative prior art, make full use of 0 ° of little advantage of isolating switch longitudinal size of vertical-telescopic, make can arrange more electric equipment below power distribution equipment district bus, further compressed the longitudinal size in power distribution equipment district, saved and take up an area.
3, median generatrix framework of the present invention and line framework all can adopt integrated form, reduce civil engineering costs and installing engineering amount, improve on-the-spot framework assembling speed, shorten the completion time of project.
4, technical solution of the present invention can be applied in the 220kV and 110kV AIS power distribution equipment of transformer station.The 220kV power distribution equipment of 2011 editions universal design 220-C-2 schemes of State Grid Corporation of China of 220kV AIS transformer station of take is example, former power distribution equipment longitudinal size is 76.5 meters, the power distribution equipment that utilizes the inventive method to arrange, its longitudinal size can be optimized to 54.5 meters, save and take up an area 28.8%, approximately 400,000 yuan of construction investments are also saved at each interval simultaneously.In 220-C-2 scheme, 220kV power distribution equipment is totally nine intervals, adopts version of the present invention can save approximately 3,600,000 yuan of civil engineering costs, saves and takes up an area approximately 0.27 hectare, saves 630,000 yuan of land expropriation costs.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention floor plan schematic diagram;
Fig. 2 is the sectional schematic diagram at circuit-main transformer interval in Fig. 1;
Fig. 3 is the sectional schematic diagram at circuit-main transformer interval in prior art;
Number in the figure: 1a is I insulating rod, and 1b is II insulating rod, and 1c is III insulating rod, and 1d is IV insulating rod; 2a is I isolating switch, and 2b is II isolating switch, and 2c is III isolating switch, and 2d is IV isolating switch; 2A line loop I isolating switch; 2B line loop II isolating switch; 2C main transformer loop III isolating switch; 2D main transformer loop IV isolating switch; 3a is I fixed contact, and 3b is II fixed contact, and 3c is III fixed contact, and 3d is IV fixed contact; 4a is I bus, and 4b is II bus; 5 post insulators, 5a is suspension type post insulator; 6a is No. I suspention beam, and 6b is No. II suspention beam; 7 circuit breakers, 7a is transmission line circuit circuit breaker, 7b is main transformer circuit breaker; 8 current transformers, 8a is transmission line circuit current transformer, 8b is main transformer loop current instrument transformer; 9 horizontal retractable isolating switches; 9a is transmission line circuit outgoing line side isolating switch, and 9b is main transformer loop inlet wire side isolating switch; 10 voltage transformers; 11 lightning arresters; 12 maintenance roads; 13a is bus framework, and 13b is outlet structure, and 13c is intermediate frame, and 13d is inlet wire framework; 16 cross-lines; 17 bus truss columns; 18 circuits-main transformer interval; 19 circuits-mother interval; 20 circuits-mother establishes interval; 21 section gaps.
Embodiment
The present embodiment is the present invention to be applied to the 220kV power distribution equipment of 2011 editions universal design 220-C-2 schemes of State Grid Corporation of China of 220kV AIS transformer station, outdoor stay pipe mother is medium-sized, porcelain knob breaker dually arrayed, full overhead outlet, as shown in Figure 1, in this 220kV power distribution equipment place, transmission line circuit and main transformer loop, mother loop, mother establishes loop and merges respectively and be arranged in circuit-main transformer interval 18, circuit-mother interval 19 and circuit-mother establish in interval 20, comprise altogether three circuit-main transformer intervals 18, two circuit-mother intervals 19, three circuit-mothers establish interval 20 and a section gap 21, wherein: each circuit-main transformer interval comprises four groups of bus isolating switchs, two circuit breakers, six current transformers, one group of outlet isolating switch 9a, one group of feed isolating switch 9b, a voltage transformer 10 and three lightning arresters 11, each circuit-mother interval comprises four groups of bus isolating switchs, two circuit breakers, six current transformers and a voltage transformer, each circuit-mother establishes interval and comprises three groups of bus isolating switchs, a circuit breaker, three current transformers, four voltage transformers 10 and three lightning arresters 11, section gap comprises 9, one circuit breakers 7 of two groups of horizontal retractable isolating switches and three current transformers 8.
Referring to Fig. 1 and Fig. 2, at power distribution equipment on-site, two groups of pipes that setting is supported on bus framework by post insulator 5 are female, respectively manage female 4a for No. I and manage female 4b No. II, two groups of pipe mothers are set to be on suitable height and position, so that each bus isolating switch and transmission line circuit circuit breaker 7a are arranged in two groups of pipe mothers' below, comprise that each electric equipment of each bus isolating switch, transmission line circuit circuit breaker 7a and main transformer circuit breaker 7b is installed on ground installation support; Comprise that the transmission line circuit circuit breaker 7a that circuit-main transformer interval, circuit-mother interval and circuit-mother establish in each interval at interval forms a line along parallel direction, and be positioned at the outgoing line side of managing female 4a for No. I, main transformer circuit breaker 7b in each circuit-main transformer interval forms a line along parallel direction, and is positioned at the inlet wire side of managing female 4a for No. I; At circuit-main transformer interval median generatrix isolating switch, all adopt 0 ° of isolating switch of vertical-telescopic.
As shown in Figure 2, two groups of pipe mothers' bus framework is integral type structure, form bus and merge framework 13a, bus merges framework 13a to be supported by bus truss column 17 respectively in the both sides of managing female 4a for No. I, bus merges framework 13a, and at II Guan Mu4b place, one side direction outgoing line side extends and is supported by the outlet structure 13b of power distribution equipment on-site, forms the association that bus merges framework 13a and outlet structure 13b.
As shown in Figure 2, in the present embodiment, at power distribution equipment on-site, maintenance road 12 is positioned at the outside of outlet structure 13b.
Shown in Fig. 2, in the present embodiment, suspend beam 6a for No. I in midair and suspend the bottom that beam 6c is separately positioned on the bus framework of I bus 4a in midair No. III, I insulating rod 1a and III insulating rod 1c are fixedly installed on respectively No. I suspention beam 6a and suspend beam 6c for No. III in midair above, and II insulating rod 1b and IV insulating rod 1d are fixedly installed on respectively on bus truss column 17.The three-phase fixed contact of I isolating switch 2a and III isolating switch 2c is distributed in respectively I insulating rod 1a and III insulating rod 1c is upper, and each connects I bus 4a with I fixed contact 3a and the III fixed contact 3c of corresponding phase by downlead respectively mutually; It is upper that the three-phase fixed contact of II isolating switch 2b is distributed in II insulating rod 1b, and each connects II bus 4b with the II fixed contact 3b of corresponding phase by downlead respectively mutually; It is upper that the three-phase fixed contact of IV isolating switch 2d is distributed in IV insulating rod 1d, and each is connected II bus 4b with corresponding phase cross-line 16 by downlead respectively mutually, then connects with the IV fixed contact 3d of corresponding phase by downlead.
In the present embodiment, I insulating rod and II insulating rod meet insulation level and the creepage distance requirement of corresponding voltage grade, the mechanical strength of insulating rod can meet the mechanical property requirement of isolating switch divide-shut brake under various environment, and the length of insulating rod is suitable with the lateral dimension of cubicle.
In the present embodiment, the transmission line circuit current transformer 8a at the interval of circuit-main transformer shown in Fig. 2 18, transmission line circuit outgoing line side isolating switch 9a and voltage transformer 10 are arranged on the outgoing line side of transmission line circuit circuit breaker 7a, and main transformer circuit breaker 7b, main transformer loop current instrument transformer 8b, main transformer loop inlet wire side isolating switch 9b and lightning arrester 11 are arranged on the inlet wire side of IV isolating switch 2d routinely.
In the present embodiment, as shown in Figure 2, cross-line 16 is erected at inlet wire framework 13d and outlet structure 13b is upper, and the female static contact isolation switch of II is distributed on insulating rod, and insulating rod is fixedly mounted on bus truss column 17, therefore can cancel intermediate frame 13c.And prior art as shown in Figure 3, each circuit-main transformer interval includes three Pin frameworks, be respectively inlet wire framework 13d, intermediate frame 13c and outlet structure, on outlet structure and intermediate frame 13c, set up one grade of upper strata cross-line 16, intermediate frame 13c is used for fixedly suspension type post insulator 5a, it is upper that the female static contact isolation switch of the II in main transformer loop is arranged on suspension type post insulator 5a, by wire jumper, is connected to above-mentioned cross-line, and through downlead with manage female 4b No. II and be connected.
In prior art, each circuit-mother interval includes three Pin frameworks (being respectively inlet wire framework, intermediate frame and outlet structure) and two grades of upper strata cross-lines, one grade of cross-line is erected on inlet wire framework and intermediate frame, another grade of cross-line is erected on intermediate frame and outlet structure, and two grades of cross-lines are connected by wire jumper in intermediate frame position.And in the present embodiment owing to having reduced power distribution equipment longitudinal size, therefore even if one grade of upper strata cross-line is only set, wire tension also can be controlled in the reasonable scope, can cancel intermediate frame equally.
In the present embodiment, power distribution equipment longitudinal size can be optimized to 54.5 meters, compare with the 220kV power distribution equipment (76.5 meters of longitudinal sizes) of 2011 editions universal design 220-C-2 schemes of State Grid Corporation of China of 220kV AIS transformer station, lateral dimension is identical, and longitudinal size reduces significantly.
Claims (3)
- The double-bus dually arrayed AIS of 1.Yi Zhong transformer station power distribution equipment arrangement, at power distribution equipment on-site, transmission line circuit and main transformer loop, mother loop, mother establishes loop and merges respectively and be arranged in circuit-main transformer interval (18), circuit-mother interval (19) and circuit-mother establish in interval (20), it is characterized in that: two groups of pipes that are supported on bus framework by post insulator (5) are set female, respectively No. I pipe female (4a) and No. II pipe female (4b), described two groups of pipe mothers are set to be on suitable height and position, so that each bus isolating switch and transmission line circuit circuit breaker (7a) are arranged in two groups of pipe mothers' below, comprise described each bus isolating switch, transmission line circuit circuit breaker (7a) and main transformer circuit breaker (7b) are installed on ground installation support at each interior electric equipment, comprise that the transmission line circuit circuit breaker (7a) that circuit-main transformer interval, circuit-mother interval and circuit-mother establish in each interval at interval forms a line along the female parallel direction of pipe, and be positioned at the outgoing line side of described No. I pipe female (4a), main transformer circuit breaker (7b) in each circuit-main transformer interval forms a line along parallel direction, and is positioned at the inlet wire side of described No. I pipe female (4a), at bus isolating switch described in described circuit-main transformer interval, all adopt 0 ° of isolating switch of vertical-telescopic.
- 2. the double-bus dually arrayed AIS of transformer station power distribution equipment arrangement according to claim 1, it is characterized in that: described two groups of pipe mothers' bus framework is integral type structure, form bus and merge framework (13a), described bus merges framework (13a) to be supported by bus truss column (17) respectively in the both sides of No. I pipe female (4a), described bus merges framework (13a) and extends and supported by the outlet structure (13b) of power distribution equipment on-site at No. II female (4b) place of pipe one side direction outgoing line side, forms the association that bus merges framework (13a) and outlet structure (13b).
- 3. the double-bus dually arrayed AIS of transformer station power distribution equipment arrangement according to claim 1 and 2, is characterized in that: at described power distribution equipment on-site, maintenance road (12) is positioned at the outside of outlet structure (13b).
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| CN201310732897.2A CN103701045B (en) | 2013-12-26 | 2013-12-26 | A kind of transformer station double-bus dually arrayed AIS power distribution equipment arrangement |
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| CN201310732897.2A CN103701045B (en) | 2013-12-26 | 2013-12-26 | A kind of transformer station double-bus dually arrayed AIS power distribution equipment arrangement |
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| CN103701045B CN103701045B (en) | 2016-04-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958320A (en) * | 2016-05-27 | 2016-09-21 | 中国能源建设集团安徽省电力设计院有限公司 | Outdoor 500kV HGIS power distribution device structure |
| CN108400526A (en) * | 2018-04-26 | 2018-08-14 | 国网浙江省电力有限公司经济技术研究院 | Main transformer low-pressure side main breaker circuit arrangement based on vertical arrangement busbar |
| CN111049054A (en) * | 2019-12-26 | 2020-04-21 | 青岛特锐德电气股份有限公司 | Vehicle-mounted movable GIS equipment |
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| GB2331412A (en) * | 1997-11-18 | 1999-05-19 | Nat Grid Company Plc | Electrical power distribution substation |
| CN1286513A (en) * | 1999-08-25 | 2001-03-07 | 阿尔斯托姆公司 | Double bus power transformer substation, and interruption and selection switch equipment for same |
| CN201887334U (en) * | 2010-12-16 | 2011-06-29 | 安徽省电力设计院 | 220kV section gap optimized layout structure for 500kV transformer station |
| CN202197020U (en) * | 2011-06-30 | 2012-04-18 | 内蒙古电力勘测设计院 | 110 kV back-to-back arranged bidirectional outlet power distribution device |
| CN202872184U (en) * | 2012-10-25 | 2013-04-10 | 中国电力工程顾问集团西南电力设计院 | 110kV power distribution device breaker double-row arrangement structure with double bus wirings |
| CN203617561U (en) * | 2013-12-26 | 2014-05-28 | 中国能源建设集团安徽省电力设计院 | Transformer station double-bus and double-row arrangement AIS power distribution device arrangement structure |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2331412A (en) * | 1997-11-18 | 1999-05-19 | Nat Grid Company Plc | Electrical power distribution substation |
| CN1286513A (en) * | 1999-08-25 | 2001-03-07 | 阿尔斯托姆公司 | Double bus power transformer substation, and interruption and selection switch equipment for same |
| CN201887334U (en) * | 2010-12-16 | 2011-06-29 | 安徽省电力设计院 | 220kV section gap optimized layout structure for 500kV transformer station |
| CN202197020U (en) * | 2011-06-30 | 2012-04-18 | 内蒙古电力勘测设计院 | 110 kV back-to-back arranged bidirectional outlet power distribution device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958320A (en) * | 2016-05-27 | 2016-09-21 | 中国能源建设集团安徽省电力设计院有限公司 | Outdoor 500kV HGIS power distribution device structure |
| CN105958320B (en) * | 2016-05-27 | 2018-03-27 | 中国能源建设集团安徽省电力设计院有限公司 | A kind of 500 kilovolts of HGIS power distribution device structures in open air |
| CN108400526A (en) * | 2018-04-26 | 2018-08-14 | 国网浙江省电力有限公司经济技术研究院 | Main transformer low-pressure side main breaker circuit arrangement based on vertical arrangement busbar |
| CN108400526B (en) * | 2018-04-26 | 2023-11-03 | 国网浙江省电力有限公司经济技术研究院 | Main transformer low-voltage side total circuit breaker loop arrangement structure based on vertically arranged buses |
| CN111049054A (en) * | 2019-12-26 | 2020-04-21 | 青岛特锐德电气股份有限公司 | Vehicle-mounted movable GIS equipment |
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