CN204905745U - 252kV falls to ground totally closed combined electrical apparatus of pot -type - Google Patents
252kV falls to ground totally closed combined electrical apparatus of pot -type Download PDFInfo
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- CN204905745U CN204905745U CN201520504326.8U CN201520504326U CN204905745U CN 204905745 U CN204905745 U CN 204905745U CN 201520504326 U CN201520504326 U CN 201520504326U CN 204905745 U CN204905745 U CN 204905745U
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- circuit breaker
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- switch
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Abstract
The utility model discloses a high -pressure combined electrical apparatus among the electric power system high -tension apparatus technical field, specifically speaking are 252kV falls to ground totally closed combined electrical apparatus of pot -type, including circuit breaker and operating mechanism, first generating line, second generating line, branch's generating line component, built on stilts sleeve pipe, big base, little base, first generating line, second bus -bar arrangement is in the top of circuit breaker, be connected with being qualified for the next round of competitions of the vertical direction of circuit breaker respectively, and the branch is listed as the left and right sides that the circuit breaker was qualified for the next round of competitions, the effectual upper space that has utilized after the circuit breaker level is placed, more do benefit to the maintenance of generating line, the space layout's of lower floor circuit breaker and operating mechanism pass through the arrangement of support frame subassembly on big base for horizontal mode, form integrative type of construction, branch's generating line component divides with built on stilts bushing portion to be installed on little base to the one end of branch's generating line is qualified for the next round of competitions with circuit breaker level side and is connected. Two parts are all integrated on big or small base, consequently have simple structure compactness, circuit breaker action steadily reliably, more do benefit to the characteristics that the main bus -bar overhauld.
Description
Technical field
The invention discloses a kind of high-voltage combined electrical apparatus in electric power system high-tension apparatus technical field, specifically a kind of 252kV land pot type fully closed combined electric unit.
Background technology
Combined electrical apparatus, also known as Cubicle Gas-Insulated Switchgear, is formed a whole by wiring requirement by two or more electrical equipment, and each electrical equipment still keeps the device of originality energy.In general it is directly linked to together by the elements such as circuit breaker, isolating switch, earthed switch, main bus bar, and be all enclosed in the metal shell of ground connection, fills using the insulating gas of certain pressure as arc-extinguishing medium in shell.Its main feature is exactly, and compact conformation, floor space are little.But along with today that land resource day is becoming tight, the further miniaturization of combined electrical apparatus is also extremely urgent.And on the other hand, each electric elements centralized arrangement, and while reaching miniaturization, have compressed again space for maintenance further, very big inconvenience is brought to the Maintenance and Repair of equipment.
Such as, the combined electrical apparatus of current 252kV, common a kind of structural shape is circuit breaker vertical, and each electric appliance unit lists in the left and right sides of circuit breaker respectively.Its median generatrix is console mode structure, is arranged in issuing of branch, usually also as one of the support component of branch.Though this structure make use of space to a certain extent, for the main bus bar part that probability of failure is larger, during maintenance, need dismounting of disintegrating on a large scale, cause great inconvenience to applying unit.
Therefore optimized arrangement structure, Appropriate application component space, while reduced volume, reserved rational space for maintenance, concerning applying unit, has important meaning again.
Summary of the invention
For solving the technical problem of above-mentioned existence, what the utility model provided a kind of 252kV lands pot type fully closed combined electric unit, have simple and compact for structure, breaker actuation is steadily reliable, is more conducive to the feature of main bus bar maintenance.
The technical solution of the utility model is: a kind of 252kV lands pot type fully closed combined electric unit.It is characterized in that, comprise circuit breaker and operating mechanism thereof, first bus, second bus, branch bar element, aerial sleeve, large base, small footprint, described first, second two busbar arrangement are above circuit breaker, be connected with angle-style isolating switch respectively below first, second bus, and realize two buses by T-shaped earthed switch and be connected in parallel, circuit breaker is installed in the below of T-shaped earthed switch, and is connected and fixed with the outlet conductor of circuit breaker vertical direction.
Circuit breaker tank body described in the utility model is arranged horizontally, and tank body on the large base landed, large base is fixed with the operating mechanism of circuit breaker by support installing.
In the utility model circuit breaker tank body, arc control device are installed, described arc control device horizontal arrangement, the conductor of arc control device side, for vertical mode is arranged, be connected with T-shaped earthed switch, the other end conductor horizontal arrangement of arc control device, and and the branch bar element in this loop, interval be connected.
Large base described in the utility model is arranged on the ground, and be steel framework structure, its top is provided with circuit breaker tank, its underpart directly and foundation of civil work fix.
Branch bar element described in the utility model by angle-style earthed switch and angle-style ground connection, isolate unit switch and form, angle-style earthed switch is connected with circuit breaker horizontal ends, angle-style earthed switch opposite side is isolated with angle-style, ground connection unit switch is connected, and angle-style isolation, ground connection unit switch are fixedly connected with aerial sleeve.
The utility model aerial sleeve and branch bar element, all be arranged in small footprint, small footprint is placed in ground, fix described circuit breaker tank body below base to be arranged horizontally with foundation of civil work, tank body is by support installing on the large base landed, and large base is console mode structure, has higher mechanical strength, its underpart directly and foundation of civil work fix, its end fixes the operating mechanism of circuit breaker.Such frame mode, can reduce mechanical shock during breaker actuation as far as possible, extends the useful life of breaker mechanism, ensure that the steady of mechanism action.
First, second described in the utility model two busbar arrangement above circuit breaker, and realize two by T-shaped earthed switch and are connected with the outlet conductor of circuit breaker vertical direction.The both sides being arranged in breaker outgoing line of such double-bus, can utilize circuit breaker tank body as effective support simultaneously, effectively make use of the advantage of topology layout, have compressed again the whole size of space.Simultaneously when overhauling main bus bar, conventional busbars is avoided to land in arrangement, the deficiency that the amount of disassembling is large.Main bus bar maintenance disintegration scope is little, can not need to dismantle other electric elements beyond main bus bar.Maintenance workload is little, particularly decreases the power station repair time, can be that recovery system is powered as early as possible, provide feasible technical conditions.
Branch bar unit described in the utility model, be connected with the circuit breaker of horizontal side, such structure, reduce the ground level of element, and the electric elements of 252kV, itself is highly higher, does not need additionally to improve device height, just can ensure that the insulation distance that sleeve belt electric position is enough apart from ground, therefore such structure are conducive to improving the stability of combined electrical apparatus.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention.
Embodiment
Describe the present invention below in conjunction with the drawings and specific embodiments:
Accompanying drawing is a specific embodiment of the present invention, a kind of 252kV lands pot type fully closed combined electric unit, it is characterized in that, comprise circuit breaker 2 and operating mechanism 1 thereof, first bus 3, second bus 4, branch bar element 6, aerial sleeve 7, large base 5, small footprint 8, described first, second two busbar arrangement are above circuit breaker 2, first, be connected with angle-style isolating switch 12 respectively below second bus, and realize two buses by T-shaped earthed switch 11 and be connected in parallel, circuit breaker 2 is installed in the below of T-shaped earthed switch 11, and be connected and fixed with the outlet conductor of circuit breaker 2 vertical direction.
Circuit breaker 2 tank body described in the utility model is arranged horizontally, and tank body on the large base 5 landed, large base 5 is fixed with the operating mechanism 1 of circuit breaker 2 by support installing.
In the utility model circuit breaker 2 tank body, arc control device are installed, described arc control device horizontal arrangement, the conductor of arc control device side, for vertical mode is arranged, be connected with T-shaped earthed switch, the other end conductor horizontal arrangement of arc control device, and and the branch bar element in this loop, interval be connected.
Large base 5 described in the utility model is arranged on the ground, and be steel framework structure, its top is provided with circuit breaker tank, its underpart directly and foundation of civil work fix.
Branch bar element 6 described in the utility model by angle-style earthed switch 12 and angle-style ground connection, isolate unit switch 13 and form, angle-style earthed switch 12 is connected with circuit breaker 2 horizontal ends, angle-style earthed switch 12 opposite side is isolated with angle-style, ground connection is combined 13 switches and is connected, and angle-style isolation, ground connection unit switch 13 are fixedly connected with aerial sleeve 7.
Circuit breaker tank body is arranged horizontally, and arc control device horizontal arrangement is in circuit breaker tank body, and wherein side outlet is vertically arrange, is connected, realizes double bus scheme pattern by T-shaped earthed switch with two angle-style isolating switches and main bus bar.The opposite side outlet of circuit breaker is arranged horizontally, and is connected with branch bar element and bushing.
Article two, busbar arrangement is above circuit breaker, the left and right sides of apportion breaker outgoing line, circuit breaker tank body namely can be utilized as effective support, effectively make use of the advantage of topology layout, have compressed again the whole size of space.Integrated spaced center of gravity is low, and breaker operation mechanism is fixed on large base, ensure that the stationarity at whole interval.
When needs maintenance bus, because bus is not as the supporting element of other unit, also interfere without other electric elements in space for maintenance, when therefore dismantling, directly to main bus bar construction, according to the maintenance mode of main bus bar, the mode such as rapid abutting joint, enter hole's operation can be utilized, remove the inner conductor of main bus bar, then main bus bar housing is removed maintenance.Comparatively speaking, the scope of repair is much smaller.
And the bushing of 252kV height itself just reaches about 2.5 meters, connected by the threeway of installing, namely close to the insulation height of standard-required, therefore by being connected with the horizontal outlet of circuit breaker, namely the height of branch bar is reduced, reduce the input of cost, meet again insulation distance requirement.
Therefore, it is steadily reliable that the utility model has simple and compact for structure, breaker actuation, is more conducive to the feature of main bus bar maintenance.
Claims (6)
1. a 252kV land pot type fully closed combined electric unit, it is characterized in that, comprise circuit breaker and operating mechanism, first bus, second bus, branch bar element, aerial sleeve, large base and small footprint, described first, second two busbar arrangement are above circuit breaker, be connected with angle-style isolating switch respectively below first, second bus, and realize two buses by T-shaped earthed switch and be connected in parallel, circuit breaker is installed in the below of T-shaped earthed switch, and is connected and fixed with the outlet conductor of circuit breaker vertical direction.
2. a kind of 252kV according to claim 1 land pot type fully closed combined electric unit: it is characterized in that, described circuit breaker external is fixed with tank body, tank body is arranged horizontally, and tank body on the large base landed, large base is fixed with the operating mechanism of circuit breaker by support installing.
3. a kind of 252kV according to claim 1 land pot type fully closed combined electric unit: it is characterized in that, in circuit breaker tank body, arc control device are installed, described arc control device horizontal arrangement, the conductor of arc control device side is that vertical mode is arranged, be connected with T-shaped earthed switch, the opposite side conductor horizontal arrangement of arc control device, and and the branch bar element in this loop, interval be connected.
4. a kind of 252kV according to claim 1 land pot type fully closed combined electric unit, it is characterized in that, described large base is arranged on the ground, and be steel framework structure, its top is provided with circuit breaker tank, its underpart directly and foundation of civil work fix.
5. a kind of 252kV according to claim 1 land pot type fully closed combined electric unit, it is characterized in that, described branch bar element by angle-style earthed switch and angle-style ground connection, isolate unit switch and form, angle-style earthed switch is connected with circuit breaker horizontal ends, angle-style earthed switch opposite side is isolated with angle-style, ground connection unit switch is connected, and angle-style isolation, ground connection unit switch are fixedly connected with aerial sleeve.
6. a kind of 252kV according to claim 1 land pot type fully closed combined electric unit: it is characterized in that, aerial sleeve and branch bar element, be arranged in small footprint, small footprint is placed in ground, fixes below base with foundation of civil work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520504326.8U CN204905745U (en) | 2015-07-14 | 2015-07-14 | 252kV falls to ground totally closed combined electrical apparatus of pot -type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520504326.8U CN204905745U (en) | 2015-07-14 | 2015-07-14 | 252kV falls to ground totally closed combined electrical apparatus of pot -type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204905745U true CN204905745U (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520504326.8U Expired - Fee Related CN204905745U (en) | 2015-07-14 | 2015-07-14 | 252kV falls to ground totally closed combined electrical apparatus of pot -type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204905745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979773A (en) * | 2015-07-14 | 2015-10-14 | 山东泰开高压开关有限公司 | 252kV ground tank-type fully-enclosed combined electric appliance |
-
2015
- 2015-07-14 CN CN201520504326.8U patent/CN204905745U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979773A (en) * | 2015-07-14 | 2015-10-14 | 山东泰开高压开关有限公司 | 252kV ground tank-type fully-enclosed combined electric appliance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20180714 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |