CN104979773B - A kind of landing pot type fully closed combined electric unit of 252kV - Google Patents
A kind of landing pot type fully closed combined electric unit of 252kV Download PDFInfo
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- CN104979773B CN104979773B CN201510408543.1A CN201510408543A CN104979773B CN 104979773 B CN104979773 B CN 104979773B CN 201510408543 A CN201510408543 A CN 201510408543A CN 104979773 B CN104979773 B CN 104979773B
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Abstract
The invention discloses a kind of high-voltage combined electrical apparatus in electric system high-tension apparatus technical field, the landing pot type fully closed combined electric unit of specifically a kind of 252kV, including breaker and its operating mechanism, first busbar, second busbar, branch bar element, aerial sleeve, big base, small footprint, first busbar, second busbar arrangement is in the top of breaker, the outlet with breaker vertical direction is connected respectively, and divide the left and right sides of row breaker outgoing line, upper sheaf space after effectively make use of breaker horizontal positioned, the more conducively maintenance of busbar, the breaker and its operating mechanism of lower layer space arrangement are placed on big base for horizontal mode by bracket assembly, form the structural shape of one；Branch bar element is partially installed in small footprint with aerial sleeve, and one end of branch bar is connected with breaker horizontal side outlet.Two parts are fully integrated into big small footprint, therefore with the characteristics of simple and compact for structure, breaker actuation is steadily reliable, and more conducively main bus-bar overhauls.
Description
Technical field
The invention discloses a kind of high-voltage combined electrical apparatus in electric system high-tension apparatus technical field, specifically one
The landing pot type fully closed combined electric unit of kind 252kV.
Background technology
Combined electrical apparatus, also known as Cubicle Gas-Insulated Switchgear are the electric appliance by two or more by wiring
It is required that form a whole, and each electric appliance still keeps the device of originality energy.In general it is by breaker, disconnecting switch, connects
The elements such as ground switch, main bus-bar are directly linked to together, and are all enclosed in the metal shell of ground connection, and certain pressure is filled with shell
Insulating gas as arc-extinguishing medium.Its main feature is exactly, compact-sized, floor space is small.But with land resource day
The today being becoming tight, miniaturising for combined electrical apparatus are also extremely urgent.And on the other hand, each electric elements concentrate cloth
While putting, and reach miniaturization, space for maintenance is further have compressed, the Maintenance and Repair to equipment bring very big inconvenience.
For example, the combined electrical apparatus of 252kV, a kind of common structural shape are breaker vertical at present, each electric appliance list
Member is listed in the left and right sides of breaker respectively.Its median generatrix is console mode structure, is arranged in issuing for branch, is also typically used as point
One of support member of branch.Though this structure make use of space to a certain extent, for the main bus-bar portion that probability of failure is larger
Point, it is necessary to which dismounting of disintegrating on a large scale, great inconvenience is caused to using unit during maintenance.
Therefore optimized arrangement structure, rationally using component space, rational space for maintenance is reserved while reducing volume again
To using for unit, there is important meaning.
The content of the invention
To solve above-mentioned technical problem, the present invention provides the totally-enclosed combination electricity of landing pot type of 252kV a kind of
Device, has the characteristics of simple and compact for structure, breaker actuation is steadily reliable, is more conducive to main bus-bar maintenance.
The technical scheme is that：A kind of landing pot type fully closed combined electric unit of 252kV.It is characterised in that it includes
Breaker and its operating mechanism, first busbar, second busbar, branch bar element, aerial sleeve, big base, small footprint, it is described
Two busbar arrangements of first, second are connected with angle-style disconnecting switch respectively below the top of breaker, first, second busbar, and by T-shaped
Earthing switch realizes that two busbares are connected in parallel, the lower section of T-shaped earthing switch installation breaker, and goes out with breaker vertical direction
The connection of line conductor is fixed.
Breaker tank body of the present invention is arranged horizontally, and tank body is installed on by stent on the big base of landing, greatly
The operating mechanism of breaker is fixed with base.
Arc-chutes are installed in breaker tank body of the present invention, the arc-chutes are horizontally disposed, the conductor of arc-chutes side,
Arrange for vertical mode, be connected with T-shaped earthing switch, the other end conductor of arc-chutes is horizontally disposed, and with the interval circuit
Branch bar element connects.
Big base of the present invention is arranged on ground, is steel framework structure, and its upper part is provided with breaker tank, its
Lower part is directly fixed with foundation of civil work.
Branch bar element of the present invention by angle-style earthing switch and angle-style ground connection, isolate stacked switch and form, angle
Type earthing switch is connected with breaker horizontal ends, and angle-style earthing switch opposite side isolates with angle-style, is grounded stacked switch is connected, angle
Type isolation, ground connection stacked switch are fixedly connected with aerial sleeve.
Aerial sleeve of the present invention and branch bar element, are all disposed within small footprint, and small footprint is placed in ground, under base
Face is fixed the breaker tank body with foundation of civil work and is arranged horizontally, and tank body is installed on by stent on the big base of landing,
Big base is console mode structure, has higher mechanical strength, and its underpart is directly fixed with foundation of civil work, and open circuit is fixed in its end
The operating mechanism of device.Such frame mode, can reduce mechanical shock during breaker actuation to the greatest extent, extend breaker mechanism
Service life, ensure that the steady of mechanism action.
Two busbar arrangements of first, second of the present invention in the top of breaker, and by T-shaped earthing switch realize two with
The outlet conductor connection of breaker vertical direction.So both sides for being arranged in breaker outgoing line of double-bus, while can utilize
Breaker tank body effectively make use of the advantage of topology layout, and have compressed the whole size of space as effectively support.At the same time when inspection
When repairing main bus-bar, avoid in conventional busbars landing arrangement, the big deficiency of the amount of disassembling.Main bus-bar maintenance disintegration scope is small, can
Other electric elements beyond main bus-bar need not be dismantled.Maintenance workload is small, is especially the reduction of power station repair time, energy
It is enough to power for recovery system as early as possible, there is provided feasible technical conditions.
Branch bar unit of the present invention, is connected with the breaker of horizontal side, and such structure, reduces element
Ground level, and the electric elements of 252kV, height itself is higher, it is not necessary to additionally improves device height, it is possible to ensure set
Pipe is with electric position away from the enough insulation distances in ground, therefore such structure is conducive to improve the stability of combined electrical apparatus.
Brief description of the drawings
Attached drawing is structure diagram of the invention.
Embodiment
The present invention will be described in detail with specific embodiment below in conjunction with the accompanying drawings：
Attached drawing for the present invention a specific embodiment, the landing pot type fully closed combined electric unit of 252kV a kind of, its feature
It is, including breaker 2 and its operating mechanism 1, first busbar 3, second busbar 4, branch bar element 6, aerial sleeve 7, big base
5th, small footprint 8, two busbar arrangements of the first, second are isolated with angle-style respectively below the top of breaker 2, first, second busbar
The connection of switch 12, and realize that two busbares are connected in parallel by T-shaped earthing switch 11, the lower section installation open circuit of T-shaped earthing switch 11
Device 2, and it is connected fixation with the outlet conductor of 2 vertical direction of breaker.
2 tank body of breaker of the present invention is arranged horizontally, and tank body is installed on by stent on the big base 5 of landing,
The operating mechanism 1 of breaker 2 is fixed with big base 5.
Arc-chutes are installed in 2 tank body of breaker of the present invention, the arc-chutes are horizontally disposed, and arc-chutes side is led
Body, arranges that be connected with T-shaped earthing switch, the other end conductor of arc-chutes is horizontally disposed for vertical mode, and with the interval circuit
Branch bar element connection.
Big base 5 of the present invention is arranged on the ground, is steel framework structure, and its upper part is provided with breaker tank,
Its underpart is directly fixed with foundation of civil work.
Branch bar element 6 of the present invention is grounded with angle-style by angle-style earthing switch 12, isolates 13 groups of stacked switch
Into angle-style earthing switch 12 is connected with 2 horizontal ends of breaker, and 12 opposite side of angle-style earthing switch is isolated with angle-style, ground connection is combined
13 switches are connected, and angle-style isolation, ground connection stacked switch 13 are fixedly connected with aerial sleeve 7.
Breaker tank body is arranged horizontally, and arc-chutes are arranged horizontally in breaker tank body, and wherein side outlet is vertical
Arrangement, is connected with two angle-style disconnecting switch and main bus-bar by T-shaped earthing switch, realizes double bus scheme pattern.Breaker
Opposite side outlet is arranged horizontally, and is connected with branch bar element and bushing.
Two busbar arrangements divide the left and right sides of row breaker outgoing line, you can to utilize breaker in the top of breaker
Tank body effectively make use of the advantage of topology layout, and have compressed the whole size of space as effectively support.Integrated spaced center of gravity
Low, breaker operation mechanism is fixed on big base, ensure that the stationarity at whole interval.
When needing to overhaul busbar, since busbar is not as the supporting element of other units, also without other in space for maintenance
Electric elements are interfered, therefore when dismantling, can directly be constructed to main bus-bar, according to the maintenance mode of main bus-bar, using quick right
Connect, into modes such as people's hole operations, remove the inner conductor of main bus-bar, then main bus-bar housing is removed and is overhauled.Comparatively, examine
Scope is repaiied to be much smaller.
And height has just reached 2.5 meters or so to the bushing of 252kV in itself, connected by the threeway of installation, i.e., it is close
The insulation height of standard requirement, therefore by being connected with the horizontal outlet of breaker, that is, reduce the height of branch bar, subtract
The small input of cost, and meet insulation distance requirement.
Therefore, the present invention has the spy that simple and compact for structure, breaker actuation is steadily reliable, and more conducively main bus-bar overhauls
Point.
Claims (1)
1. the landing pot type fully closed combined electric unit of a kind of 252kV, it is characterised in that including breaker and its operating mechanism, first
Busbar, second busbar, branch bar element, aerial sleeve, big base and small footprint, two busbar arrangements of the first, second are disconnected
The top of road device, first, second busbar lower section is connected with angle-style disconnecting switch respectively, and realizes two busbares simultaneously by T-shaped earthing switch
Connection connection, the lower section installation breaker of T-shaped earthing switch, and it is connected fixation with the outlet conductor of breaker vertical direction；It is described
Circuit breaker external be fixed with tank body, tank body is arranged horizontally, tank body by stent be installed on landing big base on, big base
On be fixed with the operating mechanism of breaker；Arc-chutes are installed, the arc-chutes are horizontally disposed, arc-chutes in breaker tank body
The conductor of side arranges that be connected with T-shaped earthing switch, another side conductor of arc-chutes is horizontally disposed for vertical mode, and with this
It is spaced the branch bar element connection in circuit；The big base is arranged on ground, is steel framework structure, and its upper part is installed
There is breaker tank, its underpart is directly fixed with foundation of civil work；The branch bar element is connect by angle-style earthing switch with angle-style
Ground, isolation stacked switch composition, angle-style earthing switch is connected with breaker horizontal ends, angle-style earthing switch opposite side and angle-style every
From, ground connection stacked switch be connected, angle-style isolation, ground connection stacked switch be fixedly connected with aerial sleeve；Aerial sleeve is female with branch
Kind of thread elements, is arranged in small footprint, and small footprint is placed in ground, is fixed below base with foundation of civil work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510408543.1A CN104979773B (en) | 2015-07-14 | 2015-07-14 | A kind of landing pot type fully closed combined electric unit of 252kV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510408543.1A CN104979773B (en) | 2015-07-14 | 2015-07-14 | A kind of landing pot type fully closed combined electric unit of 252kV |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104979773A CN104979773A (en) | 2015-10-14 |
| CN104979773B true CN104979773B (en) | 2018-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510408543.1A Active CN104979773B (en) | 2015-07-14 | 2015-07-14 | A kind of landing pot type fully closed combined electric unit of 252kV |
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| CN (1) | CN104979773B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099728A (en) * | 2016-06-20 | 2016-11-09 | 山东泰开高压开关有限公司 | A kind of prefabricated box Combined electric appliance |
| CN108493827A (en) * | 2018-04-04 | 2018-09-04 | 广东旭东电力科技有限公司 | High-pressure inflation type switch cabinet bus switching device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203883326U (en) * | 2014-05-15 | 2014-10-15 | 山东泰开高压开关有限公司 | One-tank 110kV GIS |
| CN203932792U (en) * | 2014-06-19 | 2014-11-05 | 山东泰开高压开关有限公司 | The horizontal combined electrical apparatus of 252kV |
| CN204012399U (en) * | 2014-07-02 | 2014-12-10 | 新东北电气集团高压开关有限公司 | Be applicable to low temperature, anticyclonic gas-insulated metal enclosed switchgear |
| CN204271463U (en) * | 2014-12-18 | 2015-04-15 | 山东泰开高压开关有限公司 | A kind of 220kV combined electrical apparatus with switching-on resistance |
| CN204905745U (en) * | 2015-07-14 | 2015-12-23 | 山东泰开高压开关有限公司 | 252kV falls to ground totally closed combined electrical apparatus of pot -type |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Jiancheng Inventor after: Li Donghai Inventor after: Chen Pinshe Inventor after: Fan Fangfang Inventor after: Mao Liang Inventor after: Cheng Hao Inventor before: Chen Pinshe Inventor before: Li Donghai Inventor before: Mao Liang Inventor before: Cheng Hao |
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| CB03 | Change of inventor or designer information | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20180814 Address after: 271000 Shandong Tai'an high tech Development Zone Southern District Co-patentee after: Research Institute of Southern Power Grid Co., Ltd. Patentee after: Shandong Taikai High-volt Switch Co., Ltd Address before: 271000 Shandong Tai'an high tech Development Zone Southern District Patentee before: Shandong Taikai High-volt Switch Co., Ltd |
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| TR01 | Transfer of patent right |