CN205051235U - Novel arrangement structure of gas insulation switch device - Google Patents

Novel arrangement structure of gas insulation switch device Download PDF

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Publication number
CN205051235U
CN205051235U CN201520646341.6U CN201520646341U CN205051235U CN 205051235 U CN205051235 U CN 205051235U CN 201520646341 U CN201520646341 U CN 201520646341U CN 205051235 U CN205051235 U CN 205051235U
Authority
CN
China
Prior art keywords
main bus
branch road
bus bar
bar
circuit breaker
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201520646341.6U
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Chinese (zh)
Inventor
文卫兵
胡劲松
石改萍
黄宝莹
杨小光
吴祎琼
庞亚东
杨仁花
莫孟斌
徐剑
陈振
邓华洪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
North China Power Engineering Co Ltd of China Power Engineering Consulting Group
State Grid Economic and Technological Research Institute
Original Assignee
State Grid Corp of China SGCC
North China Power Engineering Co Ltd of China Power Engineering Consulting Group
State Grid Economic and Technological Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, North China Power Engineering Co Ltd of China Power Engineering Consulting Group, State Grid Economic and Technological Research Institute filed Critical State Grid Corp of China SGCC
Priority to CN201520646341.6U priority Critical patent/CN205051235U/en
Application granted granted Critical
Publication of CN205051235U publication Critical patent/CN205051235U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a novel arrangement structure of gas insulation switch device, it includes a plurality of complete clusters, each complete cluster all includes: article six, main bus -bar, a, B, C three -phase are represented respectively to first main bus -bar, second main bus -bar and third main bus -bar, and A, B, C three -phase are represented respectively to fourth main bus -bar, the 5th main bus -bar and the 6th main bus -bar, article three, branch road, each branch road all includes three circuit breaker and six isolator, three circuit breaker in each branch road is respectively for the vertical setting of main bus -bar, and three circuit breaker series connection in proper order, and the both ends of each circuit breaker isolator that all establishes ties, and the isolator who is located three branch road both ends respectively corresponds A, B, the C three -phase of connecting six main bus -bars, each on the road a pair of adjacent and concatenate branch road between two isolator and connect and be qualified for the next round of competitions or the inlet wire, another perhaps is qualified for the next round of competitions to corresponding the connections inlet wire of branch road adjacent and that concatenate between two isolator together. The utility model discloses under the inlet wire condition suitable with going out the line number volume, can effectively practice thrift area, improve economic benefits.

Description

The new arrangement structure of gas-insulated switchgear device
Technical field
The utility model relates to power engineering field, particularly relates to a kind of new arrangement structure of gas-insulated switchgear device.
Background technology
At present, transformer station in power industry extensively adopts gas-insulated switchgear device, and gas-insulated switchgear device is that all or part of being enclosed in by the High-Voltage Electrical Appliances such as bus, circuit breaker, isolating switch, voltage transformer, current transformer, lightning arrester, bus grounding switch is filled with pressure higher than the complete sets of equipment in the stress metal closed container of atmospheric insulating gas.Generally, gas-insulated switchgear device adopts the sulfur hexafluoride gas of insulation property and arc extinction performance excellence as insulating gas and arc-extinguishing medium.Bus is by the conductor that each current-carrying duplexure links together in gas-insulated switchgear device, is the carrier collecting and distribute electric power; Isolating switch is connected with bus, after separating brake, can set up reliable clearance for insulation, the charging current on Ke Yifen, zygonema road; The circuit breaker adopted in gas-insulated switchgear device is generally primary cut-out, primary cut-out is power control unit main in gas-insulated switchgear device, have arc quenching characteristic, when systems are functioning properly, load current is closed in the zero load that it could cut off and connect circuit and various electric device; When system jam, energy is disengagement failure electric current rapidly, to prevent expansion accident scope.
Gas-insulated switchgear device is compared with traditional open type distribution device, and gas-insulated switchgear device has that floor space is little, element all seals not by environmental interference, operational reliability is high, operation is convenient, the time between overhauls(TBO) is long, maintenance workload is little, installation is rapid, operating cost is low, without advantages such as electromagnetic interference.For realizing wider most optimum distribution of resources, promoting high efficiency of energy exploitation and promote the sustainable development of socio-economy, China accelerates the research carrying out extra-high voltage electric transmission and transformation technology, builds extra-high voltage electric transmission and transformation engineering.Existing 1000kVGIS (Gas-insulatedMetal-enclosedSwitchgear, gas-insulated switchgear device) layout pattern all adopts yi word pattern to arrange, namely circuit breaker is parallel to bus, arrange in yi word pattern, but when inlet wire is suitable with number of outgoing, 1000kV power distribution equipment district transverse width is difficult to match with 1000kV outlet structure, make the requirement being difficult to meet Total combining ability, and then the floor space caused in various degree is excessive, the problems such as deficiency in economic performance.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide and a kind ofly can effectively saves floor occupying area when inlet wire is suitable with number of outgoing, the new arrangement structure of the gas-insulated switchgear device of increasing economic efficiency.
For realizing above-mentioned technical purpose, the utility model takes following technical scheme: a kind of new arrangement structure of gas-insulated switchgear device, and this arrangement comprises the complete string of some mutual series connection, and described in each, complete string includes:
Article six, the main bus bar of horizontal arrangement, article six, described main bus bar is respectively the first ~ six main bus bar, wherein, described first main bus bar, the second main bus bar and the 3rd main bus bar represent A, B, C three-phase respectively, and described 4th main bus bar, the 5th main bus bar and the 6th main bus bar represent A, B, C three-phase respectively; Article three, branch road, branch road described in each includes three circuit breakers and six isolating switches; Three described circuit breakers in branch road described in each are respectively relative to the vertical setting of described main bus bar, and three described circuit breakers are sequentially connected in series, the isolating switch described in one and all connect in the two ends of circuit breaker described in each, the described isolating switch correspondence laying respectively at three described branch road two ends connects A, B, C three-phase of six described main bus bars; Branch road described in each includes two to the adjacent and described isolating switch be serially connected, wherein a pair adjacent and branch road between be serially connected two described isolating switches connects outlet or inlet wire, another is to adjacent and the described inlet wire of the corresponding connection of branch road between be serially connected two described isolating switches or described outlet.
Circuit breaker described in each is all arranged in the side of described inlet wire in single-column type.
The utility model is owing to taking above technical scheme, it has the following advantages: 1, the utility model is due to by each circuit breaker vertical layout with main bus bar respectively, make, when inlet wire is suitable with number of outgoing, effectively saves floor occupying area, increase economic efficiency.2, the utility model is owing to being that single-column type is arranged in inlet wire side by circuit breaker, not only convenient installation and maintenance, and effectively improves the flexibility of outlet direction, saves the length of branch bar.The utility model floor space is little, and cost is low, can be widely used in the arrangement of various insulated switch.
Accompanying drawing explanation
Fig. 1 is internal placement floor map of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figure 1, the new arrangement structure of the gas-insulated switchgear device that the utility model provides comprises some complete strings 1 be mutually connected in series, and wherein, the number of complete string 1 is determined according to actual needs, at this not circumscribed; Each complete string 1 includes six main bus bars and three branch roads of horizontal arrangement;
Article six, main bus bar is respectively the first main bus bar 11, second main bus bar 12, the 3rd main bus bar 13, the 4th main bus bar 14, the 5th main bus bar 15 and the 6th main bus bar 16, wherein, first main bus bar 11, second main bus bar 12 and the 3rd main bus bar 13 represent A, B, C three-phase respectively, and the 4th main bus bar 14, the 5th main bus bar 15 and the 6th main bus bar 16 represent A, B, C three-phase respectively;
Article three, branch road is respectively the first branch road 21, second branch road 22 and the 3rd branch road 23, and each branch road includes three circuit breakers 3 and six isolating switches 4; Three circuit breakers 3 in each branch road are respectively relative to the vertical setting of main bus bar, and three circuit breakers 3 are sequentially connected in series, an isolating switch 4 and all connect in the two ends of each circuit breaker 3, each branch road includes two to the adjacent and isolating switch 4 be serially connected, wherein, a pair adjacent and branch road between be serially connected two isolating switches 4 connects outlet 5 or inlet wire 6, and another is to the corresponding connection inlet wire 6 of adjacent and between be serially connected two isolating switches 4 branch roads or outlet 5;
The isolating switch 4 being positioned at the first branch road 21 two ends is connected with the first main bus bar 11 and the 4th bus 14 respectively; The isolating switch 4 being positioned at the second branch road 22 two ends is connected with the second main bus bar 12 and the 5th main bus bar 15 respectively; The isolating switch 4 being positioned at the 3rd branch road 23 two ends is connected with the 3rd main bus bar 13 and the 6th main bus bar 16 respectively.
In a preferred embodiment, in order to improve the flexibility of outlet direction, the length of saving branch bar and convenient installation and maintenance, each circuit breaker 3 is all arranged in the side of inlet wire 6 in single-column type; Each circuit breaker 3 all can adopt level fracture type circuit breaker.
In a preferred embodiment, each isolating switch 4 can adopt horizontal or vertical fracture type isolating switch.
Below by specific embodiment, the floor space of the new arrangement structure of gas-insulated switchgear device of the present utility model situation of saving is described in detail:
For a typical 1000kV transformer station, this transformer station 1000kV power distribution equipment needs to arrange six groups of inlet wires 6 and six groups of outlets 5, therefore needs to arrange six complete strings 1;
If yi word pattern arrangement conventional in the middle of employing prior art, then the maximum total length of gas-insulated switchgear device is 74.5 × 6=447m, the total length of outlet structure is 51 × 6+16=322m, the length in power distribution equipment district need consider the greater in both, be 447m, and the width in power distribution equipment district is 57m, therefore the floor space of power distribution equipment is about 2.5479 hectares;
If adopt the new arrangement structure of gas-insulated switchgear device of the present utility model, then the total length of gas-insulated switchgear device is 54 × 6=324m, the total length of outlet structure is 51 × 6+16=322m, the length in power distribution equipment district is required to be the greater in both, be 324m, and the width in power distribution equipment district is 60m, therefore the floor space of power distribution equipment is about 1.944 hectares.Apparent, the new arrangement structure of gas-insulated switchgear device of the present utility model has effectively saved floor space, has saved Financial cost.
Above-described embodiment is only for illustration of the utility model; wherein the structure of each parts, connected mode and manufacture craft etc. all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection range of the present utility model.

Claims (2)

1. a new arrangement structure for gas-insulated switchgear device, is characterized in that: this arrangement comprises the complete string of some mutual series connection, and described in each, complete string includes:
Article six, the main bus bar of horizontal arrangement, article six, described main bus bar is respectively the first ~ six main bus bar, wherein, described first main bus bar, the second main bus bar and the 3rd main bus bar represent A, B, C three-phase respectively, and described 4th main bus bar, the 5th main bus bar and the 6th main bus bar represent A, B, C three-phase respectively;
Article three, branch road, branch road described in each includes three circuit breakers and six isolating switches; Three described circuit breakers in branch road described in each are respectively relative to the vertical setting of described main bus bar, and three described circuit breakers are sequentially connected in series, the isolating switch described in one and all connect in the two ends of circuit breaker described in each, the described isolating switch correspondence laying respectively at three described branch road two ends connects A, B, C three-phase of six described main bus bars; Branch road described in each includes two to the adjacent and described isolating switch be serially connected, wherein a pair adjacent and branch road between be serially connected two described isolating switches connects outlet or inlet wire, another is to adjacent and the described inlet wire of the corresponding connection of branch road between be serially connected two described isolating switches or described outlet.
2. the new arrangement structure of gas-insulated switchgear device as claimed in claim 1, is characterized in that: circuit breaker described in each is all arranged in the side of described inlet wire in single-column type.
CN201520646341.6U 2015-08-25 2015-08-25 Novel arrangement structure of gas insulation switch device Withdrawn - After Issue CN205051235U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520646341.6U CN205051235U (en) 2015-08-25 2015-08-25 Novel arrangement structure of gas insulation switch device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520646341.6U CN205051235U (en) 2015-08-25 2015-08-25 Novel arrangement structure of gas insulation switch device

Publications (1)

Publication Number Publication Date
CN205051235U true CN205051235U (en) 2016-02-24

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CN201520646341.6U Withdrawn - After Issue CN205051235U (en) 2015-08-25 2015-08-25 Novel arrangement structure of gas insulation switch device

Country Status (1)

Country Link
CN (1) CN205051235U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105048330A (en) * 2015-08-25 2015-11-11 国家电网公司 Novel layout structure of gas insulation switch device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105048330A (en) * 2015-08-25 2015-11-11 国家电网公司 Novel layout structure of gas insulation switch device

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GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20160224

Effective date of abandoning: 20170915

AV01 Patent right actively abandoned