CN207200109U - GIS bus bar side breaker attachment structures and GIS transmission systems - Google Patents
GIS bus bar side breaker attachment structures and GIS transmission systems Download PDFInfo
- Publication number
- CN207200109U CN207200109U CN201721142302.8U CN201721142302U CN207200109U CN 207200109 U CN207200109 U CN 207200109U CN 201721142302 U CN201721142302 U CN 201721142302U CN 207200109 U CN207200109 U CN 207200109U
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- Prior art keywords
- breaker
- bus bar
- disconnecting switch
- air chamber
- gis
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 18
- 239000004020 conductor Substances 0.000 claims abstract description 27
- 230000007704 transition Effects 0.000 claims abstract description 25
- 238000002955 isolation Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
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- Gas-Insulated Switchgears (AREA)
Abstract
It the utility model is related to GIS bus bar side breaker attachment structures and the GIS transmission systems in High-Voltage Electrical Appliances field；GIS bus bar side breakers attachment structure includes breaker, bus bar side disconnecting switch and line side disconnecting switch, bus bar side disconnecting switch is arranged in bus bar side disconnector cabinet and for connecting main bus-bar, breaker is arranged in breaker air chamber and for connecting or disconnecting main bus-bar and circuit, line side disconnecting switch is arranged in the disconnector cabinet of line side, First Transition air chamber is provided between the breaker air chamber and bus bar side disconnector cabinet, the second transition air chamber is provided between breaker air chamber and bus bar side disconnector cabinet, first, first is respectively equipped with second transition air chamber, second conductor, first conductor connects bus bar side disconnecting switch and breaker, second conductor connects breaker and line side disconnecting switch.During maintenance, first, second transition air chamber is down to pressure-fired, main bus-bar is without having a power failure, and service work is safer.
Description
Technical field
It the utility model is related to the GIS bus bar side breaker attachment structures in High-Voltage Electrical Appliances field and use the structure
GIS transmission systems.
Background technology
In recent years, as the fast development of State Grid's cause, the demand of GIS/HGIS equipment are growing day by day.In GIS/
The problem of not causing large-area power-cuts is also increasingly while HGIS equipment quickly increases, when running GIS/HGIS maintenance for many years
Paid attention to by users.Recently, user is served as reasons with reducing power failure range in GIS device repair and maintenance, and it is disconnected to bring forward maintenance
Road device（GCB）The problem of main bus-bar is powered can not be influenceed.GIS bus bar sides breaker structure as shown in Figure 1 includes breaker 2,
One of port connection bus bar side disconnecting switch 1 of breaker 2, the another port connection bus of bus bar side disconnecting switch 1, breaks
The another port connecting line trackside disconnecting switch 3 of road device 2, the another port of line side disconnecting switch 3 can connect other electrical equipment member
Part or circuit, bus bar side disconnecting switch 1, breaker 2 and line side disconnecting switch 3 be separately positioned on mutually isolated air chamber it
In.
When being overhauled to breaker 2, it is necessary to by the place air chamber of bus bar side disconnecting switch 1 and bus bar side disconnecting switch 3
The pressure of place air chamber is down to pressure-fired, and the pressure of disconnector cabinet reduces, and causes the insulation protection of corresponding disconnecting switch
Ability declines, it is necessary to main bus-bar has a power failure, the power failure of main bus-bar can cause to have a power failure on a large scale；Line side disconnecting switch 3 it is exhausted
Edge is easily influenceed by the residual electric energy on other electric elements or circuit being connected with line side disconnecting switch 3, breaks
The service work of road device still suffers from potential safety hazard.
Utility model content
The purpose of this utility model is to provide a kind of GIS bus bar sides breaker attachment structure, to solve existing mother
A wide range of power failure is easily caused existing for line side breaker attachment structure, overhaul of line breaker work has the problem of potential safety hazard；
The purpose of this utility model, which also resides in, provides a kind of GIS transmission systems using the bus bar side breaker attachment structure.
To achieve the above object, the scheme 1 of GIS bus bar sides breaker attachment structure of the present utility model is：GIS bus bar sides
Breaker attachment structure includes breaker, bus bar side disconnecting switch and line side disconnecting switch, and bus bar side disconnecting switch is arranged on
In bus bar side disconnector cabinet and for connecting main bus-bar, breaker is arranged in breaker air chamber and for connecting or disconnecting
Main bus-bar and circuit, line side disconnecting switch are arranged in the disconnector cabinet of line side, the breaker air chamber and bus bar side
First Transition air chamber is provided between disconnector cabinet, the second mistake is provided between breaker air chamber and bus bar side disconnector cabinet
Cross air chamber, be respectively equipped with first, second conductor in first, second transition air chamber, the first conductor connection bus bar side disconnecting switch with
Breaker, the second conductor connection breaker and line side disconnecting switch.
Scheme 2 is the bus bar side breaker attachment structure according to scheme 1, one end of first conductor and bus
Side disconnecting switch is conductively connected, the other end and breaker are conductively connected.
Scheme 3 is the bus bar side breaker attachment structure according to scheme 1 or 2, the bus bar side disconnecting switch and line
Trackside disconnecting switch is isolation earthing switch.
Scheme 4 is that the bus bar side breaker attachment structure according to scheme 3, the line side disconnecting switch also includes
High speed grounding switch.
Scheme 5 is the bus bar side breaker attachment structure according to scheme 1 or 2, the breaker be used for and bus
Current Mutual Inductance is respectively equipped with the column body segment of side disconnecting switch connection and on the column body segment for being connected with line side disconnecting switch
Device.
The scheme 1 of GIS transmission systems of the present utility model is：GIS transmission systems include main bus-bar and are connected to main bus-bar
On GIS bus bar side breaker attachment structures, GIS bus bar side breakers attachment structure include breaker, bus bar side disconnecting switch
With line side disconnecting switch, bus bar side disconnecting switch is arranged in bus bar side disconnector cabinet and connects main bus-bar, breaker
It is arranged in breaker air chamber and connects or disconnect main bus-bar and circuit, line side disconnecting switch is arranged on line side disconnecting switch
In air chamber, First Transition air chamber, breaker air chamber and mother are provided between the breaker air chamber and bus bar side disconnector cabinet
The second transition air chamber is provided between line side disconnector cabinet, being respectively equipped with first, second in first, second transition air chamber leads
Body, the first conductor connection bus bar side disconnecting switch and breaker, the second conductor connection breaker and line side disconnecting switch.
Scheme 2 is, according to the transmission system described in scheme 1, one end and the bus bar side disconnecting switch of first conductor are led
Electrical connection, the other end and breaker are conductively connected.
Scheme 3 is the transmission system according to scheme 1 or 2, the bus bar side disconnecting switch and line side disconnecting switch
It is isolation earthing switch.
Scheme 4 is, according to the transmission system described in scheme 3, the line side disconnecting switch also includes high speed grounding switch.
Scheme 5 is the transmission system according to scheme 1 or 2, and being used for of the breaker with bus bar side keeps apart connection
Current transformer is respectively equipped with the column body segment connect and on the column body segment for being connected with line side disconnecting switch.
The beneficial effects of the utility model are：In overhaul of line breaker, by the pressure of breaker air chamber be down to pressure-fired or
Atmospheric pressure, the pressure in first, second transition air chamber is down to pressure-fired, bus bar side disconnector cabinet and line side keep apart
The pressure for closing air chamber keeps constant, and bus is without having a power failure, while the insulation of line side disconnecting switch is relatively reliable, bus bar side open circuit
Device is not readily susceptible to the influence of the residual electric energy on other electric elements or circuit, and the service work of breaker is safer.
Brief description of the drawings
Fig. 1 is the structural representation of existing bus bar side breaker attachment structure；
Fig. 2 is the circuit diagram of the specific embodiment of GIS bus bar sides breaker attachment structure of the present utility model；
Fig. 3 is the structural representation of the specific embodiment of GIS bus bar sides breaker attachment structure of the present utility model.
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment of GIS bus bar sides breaker attachment structure of the present utility model, as shown in Figure 2 to Figure 3, including mother
Line side disconnecting switch 1, breaker 2 and line side disconnecting switch 3, bus bar side disconnecting switch 1 are arranged on bus bar side disconnecting switch gas
In room, breaker 2 is arranged in breaker air chamber, and line side disconnecting switch 3 is arranged in the disconnector cabinet of line side.
Bus bar side disconnecting switch 1 and line side disconnecting switch 3 in the present embodiment are isolation earthing switch, line side every
Leaving pass 3 also has HES ports；Breaker 2 on the column body segment that is connected with bus bar side disconnecting switch 1 and being used for and circuit
Current transformer 6 is respectively equipped with the column body segment that side disconnecting switch 3 connects.
First Transition air chamber 4, breaker air chamber and circuit are provided between bus bar side disconnector cabinet and breaker air chamber
The second transition air chamber 5 is provided between the disconnector cabinet of side, the first conductor, the second transition air chamber 5 are provided with First Transition air chamber 4
In be provided with the second conductor, separated between each air chamber by gas-stopping type insulator.
One of port of bus bar side disconnecting switch 1 with bus for being connected, another port is connected with the first conductor,
One of port of breaker 2 is connected with the first conductor, another port is connected with the second conductor, the other end of the second conductor
Connecting line trackside disconnecting switch 3, the another port of line side disconnecting switch 3 can connect other electric elements or circuit.
When being overhauled to breaker 2, breaker 2 carries out separating brake, and bus bar side disconnecting switch 1 and line side disconnecting switch 3 are complete
Portion disconnects, and the air pressure in breaker air chamber is down into pressure-fired or atmospheric pressure, by the transition air chamber 5 of First Transition air chamber 4 and second
Rated value is down to, to reduce the draught head between breaker air chamber and first, second transition air chamber.
The pressure of bus bar side disconnector cabinet and line side disconnector cabinet keeps constant, and bus need not have a power failure,
The influence for being not readily susceptible to residual electric energy on other electric elements or circuit of line side disconnecting switch 3, bus bar side breaker 3 is more
Add safety.
Compared to prior art, when being overhauled to breaker 2, bus avoids a wide range of power failure, line side without having a power failure
The insulation of disconnecting switch 3 is relatively reliable, and the service work of breaker is safer；First, second conductor respectively with corresponding air chamber
Middle electric elements are directly connected to, and are not required to set other disconnecting switch, are reduced being fabricated to for bus bar side breaker attachment structure
This.
In other embodiments, between bus bar side disconnector cabinet and breaker air chamber and/or line side keeps apart
More than two transition air chambers can also be set between air chamber and breaker air chamber by closing, and conductor is provided with each transition air chamber,
Conductor in adjacent air cells is connected with each other.
The specific embodiments of GIS transmission systems of the present utility model, GIS transmission systems include bus and are connected with bus
Bus bar side breaker attachment structure, bus bar side breaker attachment structure connect with above-mentioned GIS bus bar sides breaker of the present utility model
The structure of any embodiment of binding structure is identical, repeats no more.
Claims (10)
1.GIS bus bar side breaker attachment structures, including breaker, bus bar side disconnecting switch and line side disconnecting switch, bus
Side disconnecting switch is arranged in bus bar side disconnector cabinet and for connecting main bus-bar, breaker is arranged in breaker air chamber
And for connecting or disconnecting main bus-bar and circuit, line side disconnecting switch is arranged in the disconnector cabinet of line side, its feature
It is：First Transition air chamber, breaker air chamber and bus are provided between the breaker air chamber and bus bar side disconnector cabinet
The second transition air chamber is provided between the disconnector cabinet of side, first, second conductor is respectively equipped with first, second transition air chamber,
First conductor connects bus bar side disconnecting switch and breaker, the second conductor connection breaker and line side disconnecting switch.
2. GIS bus bar sides breaker attachment structure according to claim 1, it is characterised in that：The one of first conductor
End is conductively connected with bus bar side disconnecting switch, the other end and breaker are conductively connected.
3. GIS bus bar sides breaker attachment structure according to claim 1 or 2, it is characterised in that：The bus bar side isolation
Switch and line side disconnecting switch are isolation earthing switch.
4. GIS bus bar sides breaker attachment structure according to claim 3, it is characterised in that：The line side keeps apart
Pass also includes high speed grounding switch.
5. GIS bus bar sides breaker attachment structure according to claim 1 or 2, it is characterised in that：The use of the breaker
It is respectively equipped with the column body segment being connected with bus bar side disconnecting switch and on the column body segment for being connected with line side disconnecting switch
Current transformer.
6.GIS transmission systems, including main bus-bar and the GIS bus bar side breaker attachment structures being connected on main bus-bar, GIS buses
Side breaker attachment structure includes breaker, bus bar side disconnecting switch and line side disconnecting switch, and bus bar side disconnecting switch is set
In bus bar side disconnector cabinet and main bus-bar is connected, breaker is arranged in breaker air chamber and connects or disconnect main bus-bar
With circuit, line side disconnecting switch is arranged in the disconnector cabinet of line side, it is characterised in that：The breaker air chamber and mother
First Transition air chamber is provided between line side disconnector cabinet, the is provided between breaker air chamber and bus bar side disconnector cabinet
Two transition air chambers, first, second conductor is respectively equipped with first, second transition air chamber, and the first conductor connection bus bar side is kept apart
Close and breaker, the second conductor connect breaker and line side disconnecting switch.
7. GIS transmission systems according to claim 6, it is characterised in that：One end of first conductor and bus bar side every
Leave that pass is conductively connected, the other end and breaker are conductively connected.
8. the GIS transmission systems according to claim 6 or 7, it is characterised in that：The bus bar side disconnecting switch and line side
Disconnecting switch is isolation earthing switch.
9. GIS transmission systems according to claim 8, it is characterised in that：The line side disconnecting switch is also comprising quick
Earthed switch.
10. the GIS transmission systems according to claim 6 or 7, it is characterised in that：The breaker be used for and bus bar side
Current transformer is respectively equipped with the column body segment of disconnecting switch connection and on the column body segment for being connected with line side disconnecting switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721142302.8U CN207200109U (en) | 2017-09-07 | 2017-09-07 | GIS bus bar side breaker attachment structures and GIS transmission systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721142302.8U CN207200109U (en) | 2017-09-07 | 2017-09-07 | GIS bus bar side breaker attachment structures and GIS transmission systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207200109U true CN207200109U (en) | 2018-04-06 |
Family
ID=61791441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721142302.8U Active CN207200109U (en) | 2017-09-07 | 2017-09-07 | GIS bus bar side breaker attachment structures and GIS transmission systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207200109U (en) |
-
2017
- 2017-09-07 CN CN201721142302.8U patent/CN207200109U/en active Active
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