CN208257234U - The arragement construction of novel isolated breaker power distribution equipment - Google Patents
The arragement construction of novel isolated breaker power distribution equipment Download PDFInfo
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- CN208257234U CN208257234U CN201820141911.XU CN201820141911U CN208257234U CN 208257234 U CN208257234 U CN 208257234U CN 201820141911 U CN201820141911 U CN 201820141911U CN 208257234 U CN208257234 U CN 208257234U
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- Prior art keywords
- bus
- phase
- breaker
- power distribution
- isolated breaker
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Abstract
The utility model relates to a kind of arragement constructions of novel isolated breaker power distribution equipment.It solves the problems such as existing power distribution equipment takes up a large area.Route outlet including the first support insulator upper end is arranged in, buckling equipment is connected in route outlet, route outlet is connected with current transformer, first support insulator lower end is equipped with the arrester being connected in parallel in connection line, arrester is connected with the isolated breaker with disconnecting switch structure, and the disconnecting switch structure includes arc-chutes, arc-chutes have fracture, isolated breaker is respectively and with bus C phase, bus B phase is connected with the main bus-bar of bus A phase, and the bus C phase, bus B phase is laterally successively set on the second support insulator upper end with bus A phase or is laterally successively set on isolated breaker upper end.Advantage is: solving open type substation and takes up a large area, simple installation, convenient transportation make full use of space.
Description
Technical field
The utility model relates to substation equipments, and in particular to a kind of arrangement knot of novel isolated breaker power distribution equipment
Structure.
Background technique
With the process of urbanization, more and more substations are built in the load centers such as city, the construction face of substation
Product is an important indicator, while the occupied area for reducing substation is also the important means of environment sustainable development.Breaker
It is the most common two classes primary equipment in substation with disconnecting switch, Each performs its own functions for the two, cooperates, and common realize connects pass
The critical functions such as disconnected power circuit load.Due to many reasons, at this stage, the time between overhauls(TBO) of breaker is than disconnecting switch
Much longer, especially in open type substation, it is relevant that the relevant maintenance workload of disconnecting switch has been much higher than breaker
Workload.For the convenience of overhaul of line breaker, in substation generally using it is typical spacing design so as to as far as possible by breaker every
It leaves and, reduce influence of the breaker Maintenance and Repair to other equipment；This is also why interval in present substation is basic
All centered on breaker.Disconnecting switch is all arranged in breaker two sides, and in double-bus configuration system, bus bar side there is provision of two
Disconnecting switch.If it is considered that the equipment such as bus-bar potential transformer do not need breaker and only need setting disconnecting switch,
And bus needs that earthing switch is separately provided, in fact, the quantity of disconnecting switch is remote in ll0kV and the above substation
Greater than breaker quantity.It is larger that conventional breaker, disconnecting switch opening-type equipment occupied area are allowed in this way, are deposited simultaneously
Inconvenient in: installation and transportation, the problems such as stability is poor, to the space utilization of whole power distribution equipment, there are a degree of wastes.
To solve the above problems, people have carried out long-term exploration, for example, Chinese patent discloses a kind of double mothers of substation
The single-row arrangement AIS power distribution equipment arragement construction of line [application number: 201320869912.3], it is characterized in that in power distribution equipment place
Interior, setting is supported on the mother of two groups of pipes on bus framework by support insulator, is I pipe mother and II pipe mother, setting two respectively
Group pipe mother is on height and position appropriate, so that each bus isolating switch and breaker are arranged in the lower section of two groups of pipe mothers, respectively
Electrical equipment is installed on ground installation bracket；Bus isolating switch is to be correspondingly arranged respectively with I pipe mother and II pipe mother
I disconnecting switch and II disconnecting switch, including outgoing line interval and main transformer be spaced in each interval in all breakers
Form a line along pipe mother's parallel direction, and be located at I pipe mother outgoing line side, in outgoing line interval and main transformer interval, bus every
It leaves pass and is all made of 0 ° of disconnecting switch of vertical-telescopic.Although above scheme solves existing power distribution equipment cloth to a certain extent
It sets structure to take up a large area, but the program still remains: the problems such as stability is poor, and connection reliability is low.
Summary of the invention
The purpose of this utility model is high novel isolated of stability in view of the above-mentioned problems, provide that a kind of structure is simple
The arragement construction of breaker power distribution equipment.
In order to achieve the above objectives, the utility model uses following technical proposal: the isolated breaker of the utility model matches Denso
The arragement construction set, the route outlet including the first support insulator upper end is arranged in are connected with pressure in the route outlet
Becoming equipment, the route outlet is connected by connection line with the current transformer that the first support insulator lower end is arranged in,
The first support insulator lower end is equipped with the arrester that is connected in parallel in connection line, and the arrester and having is kept apart
The isolated breaker for closing structure is connected, and the disconnecting switch structure includes arc-chutes, and the arc-chutes are with disconnected
Mouthful, and the isolated breaker is connected with bus C phase, bus B phase with the main bus-bar of bus A phase respectively, and described
Bus C phase, bus B phase is laterally successively set on the second support insulator upper end with bus A phase or is laterally successively set on
Isolated breaker upper end.
After integration of equipments and optimization design, obtained using the reliability of substation bus arrangement after isolated breaker
To significantly improving, and occupied area and construction area have also obtained larger reduction, meet the design of New Generation of Intelligent substation
Principle reaches the construction purpose of New Generation of Intelligent substation, while having established base for the promotion and implementation of New Generation of Intelligent substation
Plinth, while novel isolated breaker structure simple installation, convenient transportation, are applied more particularly to adapt to the limited equipment of installation space
Work scene.After novel isolated breaker power distribution equipment arrangement form optimization, occupied area can be saved, and provide power supply
Reliability, economic benefit, social benefit are significant.
In the arragement construction of above-mentioned novel isolated breaker power distribution equipment, the main bus-bar by connecting line and
Isolated breaker upper end is connected, and the described main bus-bar setting is in the second support insulator upper end and the setting of isolated breaker exists
Second support insulator side.
In the arragement construction of above-mentioned novel isolated breaker power distribution equipment, the height of the main bus-bar is 7.1
Rice.
In the arragement construction of above-mentioned novel isolated breaker power distribution equipment, the main bus-bar is arranged isolated
Breaker upper end, and the main bus-bar is directly connected with isolated breaker upper end.
In the arragement construction of above-mentioned novel isolated breaker power distribution equipment, the main bus-bar height is 8 meters.
In the arragement construction of above-mentioned novel isolated breaker power distribution equipment, the current transformer is electronic type
Mutual inductor.
In the arragement construction of above-mentioned novel isolated breaker power distribution equipment, the height of the route outlet is greater than
The height of main bus-bar.
Utility model has the advantages that structure is simple, solves open type substation and take up a large area, compared to tradition isolation
Switch, breaker assembled scheme arrange simple installation, convenient transportation, existing more particularly to adapt to the limited equipment construction of installation space
, space is made full use of, the advantage that novel isolated breaker power distribution equipment arragement construction is compact, effectively control substation are utilized
Land area reaches good economic benefit and social benefit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment one；
Fig. 2 is the structural schematic diagram of the utility model embodiment two；
In figure, the first support insulator 1, connection line 21, buckling equipment 3, current transformer 4, is taken shelter from the thunder at route outlet 2
Device 5, isolated breaker 6, main bus-bar 7, bus C phase 71, bus B phase 72, bus A phase 73, connecting line 74, the second post insulator
Son 8.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
Embodiment one
As shown in Figure 1, the arragement construction of the isolated breaker power distribution equipment of the utility model, including be arranged in the first post insulator
The route outlet 2 of sub 1 upper end is connected with buckling equipment 3 in route outlet 2, and route outlet 2 is existed by connection line 21 and setting
The current transformer 4 of first support insulator, 1 lower end is connected, and 1 lower end of the first support insulator is equipped with and is connected in parallel on connection line 21
On arrester 5, arrester 5 is connected with the isolated breaker 6 with disconnecting switch structure, and disconnecting switch structure includes going out
Arc chamber, and arc-chutes have fracture, and isolated breaker 6 is respectively and with bus C phase 71, bus B phase 72 and bus A phase
73 main bus-bar 7 is connected, and bus C phase 71, bus B phase 72 and bus A phase 73 are laterally successively set on the second support insulator
8 upper ends.That is, main bus-bar 7 here is connected by connecting line 74 with isolated 6 upper end of breaker, and main bus-bar 7 is arranged
In the second support insulator 8 and the setting of isolated breaker 6 is in 8 side of the second support insulator.Preferably, main bus-bar here
7 height is 7.1 meters.Wherein, current transformer 4 here can be electronic mutual inductor, the height of route outlet 2 here
Degree is greater than the height of main bus-bar 7.
Wherein, the basic structure of isolated breaker is similar with conventional circuit breaker, functionally have coincidence, quartile with
Outside, there are also its distinctive quartile and locked position of couplers.It is special by isolated breaker when isolated breaker is in quartile position
Some isolating closing lock mechanisms realize the open circuit for being similar to that conventional circuit breaker and disconnecting switch combine to realize the locking to its quartile
Device enables stand-by state.This is to say, the disconnecting switch function of isolation circuit breakers is realized by the fracture of arc-chutes, not
Have and increase additional fracture, this is also an outstanding feature of isolation circuit breakers.In quartile and locked position of coupler, connect by external
The ground connection of isolation circuit breakers side namely the earthing position of disconnecting switch may be implemented in ground switch.
The important feature of disconnecting switch is exactly that visible cut-off point is provided while isolated power supply, this is also considered as
Guarantee a mark of safety when working in many open type substations.And in fact, visible cut-off point itself can not be protected
The safety of work is demonstrate,proved, it is not visible from the beginning for gas-insulated combined electric equipment or Medium voltage switch or circuit breaker cabinet equipment
Cut-off point.Only after visible earthing switch closes, really safety is just effectively guaranteed.Although isolated open circuit
Device has function identical with disconnecting switch in quartile and locked position of coupler；But reliably to guarantee the work on isolation circuit breakers
The safety of work also only could be realized really when visible earthing switch closes.
In early stage Substation Design directive/guide, in order to which the maintenance of breaker is convenient, breaker is surrounded using disconnecting switch
Firmly, this is also the initial purpose that disconnecting switch is arranged.If replacing conventional circuit breaker and disconnecting switch using isolation circuit breakers
After combination, although the reliability of isolation circuit breakers is very high, the time between overhauls(TBO) is very long, also can inevitably encounter isolation circuit breakers needs
The problem of repair and maintenance.In the case where no additional isolation switchs and provides cut-off point, the repair and maintenance of isolation circuit breakers itself
How to realize, especially relate to the isolation circuit breakers connecting with bus, repair and maintenance problem is more prominent.One kind can be used
The isolation lap joint that can be closed with Quick release disengages isolation joining seam when isolation circuit breakers need to carry out repair and maintenance, i.e. pipe is female
The connection bolt of T binding clip and device clamp, realization are isolated with bus.To the bus of one group of 220kV/110kV voltage class
Isolation joining seam is disengaged or is overlapped, and when work asks within 1h.Certainly, isolation circuit breakers are carried out using this kind isolation joining seam
When isolation, it is necessary to guarantee that there is enough safe distances after isolation joining seam disengages.Although being pointed out that isolation joining seam tool
There is the function that conventional isolation switches are similar, but it is not that disconnecting switch can be compared on maintainability that joining seam, which is isolated, it is preceding
Person is almost that the average time for needing to operate during maintenance-free and entire service life is only l~2 time.It is disconnected by isolation
The distinctive isolating closing lock mechanism of road device, external earthing switch, isolation lap joint etc., isolation circuit breakers can fully achieve biography
The institute of system breaker and disconnecting switch combination is functional, and each position state can be taken with the isolation of Quick release.
This patent is temporarily pressed 110kV outgoing line interval, can be extended to using novel isolated breaker power distribution equipment arrangement
The voltage class such as 35kV, 220kV, using this novel isolated breaker, one interval number of devices greatly reduce, land occupation face
Product also greatly reduces, investment reduction.This patent is temporarily pressed with a 110kV outgoing line interval, for being individually spaced, with an allusion quotation
For the overhead outlet interval of type, after being changed to isolated breaker scheme, space 30% can be saved；
After integration of equipments and optimization design, using the reliability of substation bus arrangement after isolated breaker 6
It is significantly improved, and occupied area and construction area have also obtained larger reduction, meets setting for New Generation of Intelligent substation
Principle is counted, reaches the construction purpose of New Generation of Intelligent substation, while establishing for the promotion and implementation of New Generation of Intelligent substation
Basis, while novel isolated breaker structure simple installation, convenient transportation, more particularly to adapt to the limited equipment of installation space
Construction site.After novel isolated breaker power distribution equipment arrangement form optimization, occupied area can be saved, and provide confession
Electric reliability, economic benefit, social benefit are significant.
Embodiment two
As shown in Fig. 2, the structure of the present embodiment, principle and implementation steps are similar with the present embodiment one, different places
It is, the bus C phase 71, bus B phase 72 and bus A phase 73 in the present embodiment are laterally successively set on the second support insulator 8
Upper end is laterally successively set on isolated 6 upper end of breaker, that is to say, that main bus-bar 7 is arranged on isolated breaker 6
End, and main bus-bar 7 is directly connected with isolated 6 upper end of breaker, wherein 7 height of main bus-bar here is 8 meters.
If isolated breaker 6 is further moved to the lower section of main bus-bar 7, main bus-bar 7 is raised to 8.0 meters, so as to make every
From B1 value (110kV 1650mm) is met between formula breaker 6 and main bus-bar 7, when meeting different the needs of interruption maintenance, arrive
When the connecting line of main bus-bar and isolated breaker can be removed, space is then saved using this arrangement and reaches 60%.Such as
Current transformer is further changed to electronic mutual inductor and gathered together with isolated breaker by fruit, then required space will more
It is small.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although the first support insulator 1, route outlet 2, connection line 21, buckling equipment 3, electricity is used more herein
Current transformer 4, arrester 5, isolated breaker 6, main bus-bar 7, bus C phase 71, bus B phase 72, bus A phase 73, connecting line
74, the terms such as second support insulator 8, but it does not exclude the possibility of using other terms.It the use of these terms is only to be
It is more convenient to describe and explain the essence of the utility model；Being construed as any additional limitation is all and this reality
It is disagreed with novel spirit.
Claims (7)
1. a kind of arragement construction of novel isolated breaker power distribution equipment, including be arranged in the first support insulator (1) upper end
Route outlet (2), be connected with buckling equipment (3) in the route outlet (2), the route outlet (2) passes through connection
Route (21) is connected with current transformer (4) in the first support insulator (1) lower end is arranged, which is characterized in that described the
One support insulator (1) lower end is equipped with the arrester (5) that is connected in parallel on connection line (21), the arrester (5) and has
The isolated breaker (6) of disconnecting switch structure is connected, and the disconnecting switch structure includes arc-chutes, and the arc extinguishing
Room has fracture, and the isolated breaker (6) is respectively and with bus C phase (71), bus B phase (72) and bus A phase
(73) main bus-bar (7) is connected, and bus C phase (71), bus B phase (72) and the bus A phase (73) is laterally set gradually
Isolated breaker (6) upper end is successively set in the second support insulator (8) upper end or transverse direction.
2. the arragement construction of novel isolated breaker power distribution equipment according to claim 1, which is characterized in that described
Main bus-bar (7) is connected by connecting line (74) with isolated breaker (6) upper end, and the main bus-bar (7) is arranged at second
Column insulator (8) upper end and isolated breaker (6) are arranged in the second support insulator (8) side.
3. the arragement construction of novel isolated breaker power distribution equipment according to claim 2, which is characterized in that described
The height of main bus-bar (7) is 7.1 meters.
4. the arragement construction of novel isolated breaker power distribution equipment according to claim 1, which is characterized in that described
Main bus-bar (7) setting is in isolated breaker (6) upper end, and the main bus-bar (7) is directly and isolated breaker (6) upper end
It is connected.
5. the arragement construction of novel isolated breaker power distribution equipment according to claim 4, which is characterized in that described
Main bus-bar (7) is highly 8 meters.
6. the arragement construction of novel isolated breaker power distribution equipment according to claim 4, which is characterized in that described
Current transformer (4) is electronic mutual inductor.
7. the arragement construction of novel isolated breaker power distribution equipment according to claim 1, which is characterized in that described
The height of route outlet (2) is greater than the height of main bus-bar (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820141911.XU CN208257234U (en) | 2018-01-26 | 2018-01-26 | The arragement construction of novel isolated breaker power distribution equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820141911.XU CN208257234U (en) | 2018-01-26 | 2018-01-26 | The arragement construction of novel isolated breaker power distribution equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208257234U true CN208257234U (en) | 2018-12-18 |
Family
ID=64619524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820141911.XU Expired - Fee Related CN208257234U (en) | 2018-01-26 | 2018-01-26 | The arragement construction of novel isolated breaker power distribution equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208257234U (en) |
-
2018
- 2018-01-26 CN CN201820141911.XU patent/CN208257234U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 Termination date: 20200126 |