CN204290149U - A kind of high pressure gas insulation metal sealing switch equipment - Google Patents

A kind of high pressure gas insulation metal sealing switch equipment Download PDF

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Publication number
CN204290149U
CN204290149U CN201420771509.1U CN201420771509U CN204290149U CN 204290149 U CN204290149 U CN 204290149U CN 201420771509 U CN201420771509 U CN 201420771509U CN 204290149 U CN204290149 U CN 204290149U
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China
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grounding switch
type isolating
main bus
switch
current transformer
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CN201420771509.1U
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刘根锋
刘旭旭
聂二磊
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China XD Electric Co Ltd
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China XD Electric Co Ltd
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Abstract

The utility model relates to a kind of high pressure gas insulation metal sealing switch equipment, two bus type isolating/grounding switch connect current transformer respectively, two main bus bars are connected to two bus type isolating/grounding switch, current transformer one end connecting breaker, other end connection bus type isolating/grounding switch, another current transformer one end connecting breaker, other end connection line type isolating/grounding switch, extend widening parts one end connection line type isolating/grounding switch, one end connects bushing outgoing line unit.The utility model, when the larger rated current of satisfied tolerance, in the connected mode reducing to simplify while spaced apart between main bus bar between bus type isolating/grounding switch and main bus bar, makes connection between the two simplify; By main bus bar being arranged in respectively the both sides up and down of bus type isolating/grounding switch, and adopting " one " font to arrange, reducing the whole height at interval.

Description

A kind of high pressure gas insulation metal sealing switch equipment
Technical field
The utility model belongs to high voltage power transmission and transforming industry, relates to a kind of high-tension power transmission and transformation equipment, especially relates to a kind of high pressure gas insulation metal sealing switch equipment.
Background technology
Along with the fast development that national grid is built, the requirement of the reliability of electric power system switching devices, lightweight, current capacity is also more and more higher.Traditional 252kV Cubicle Gas-Insulated Switchgear, due to the restriction of its each components and parts self structure, causes the overall structure of equipment huger, occupies larger spatial volume.Such as, traditional current transformer (CN 102360895A) is separately integrally, only contain coiling and the straight line conductor as water conservancy diversion, carry out axial line only, if need to carry out radial line, need to connect another expansion link as three-way body and inner connecting conductors; Traditional three-phase branch mailbox main bus structure is three-phase shell-separating structure, when being connected with equipment body part, the restriction of the connected mode considered, then need the expansion link increasing many middle transition, the component number adopted is more, complicated structure, the volume that takes up room is also larger.
Therefore traditional 252kV Cubicle Gas-Insulated Switchgear can not meet the demand of power network development, need to be optimized design to existing 252kV Cubicle Gas-Insulated Switchgear structure, make it more compact structure, the volume that takes up room is less, bear rated current larger, Total Product technical indicator is higher.
Utility model content
The purpose of this utility model is to provide a kind of high pressure gas insulation metal sealing switch equipment, there is overall structure compacter, the feature that apparent size is less, solves traditional Cubicle Gas-Insulated Switchgear overall structure huger, takies the problem of larger space volume.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of high pressure gas insulation metal sealing switch equipment, comprise setting two bus type isolating/grounding switch in the enclosure, two main bus bars, circuit breaker, two current transformers, line type isolating/grounding switch, high speed grounding switch, extend widening parts, bushing outgoing line unit and support underframe, two described main bus bars are connected to two bus type isolating/grounding switch, one end of one of them bus type isolating/grounding switch is connected with another one bus type isolating/grounding switch, one end connects a current transformer in addition, the other end connecting breaker of this current transformer, another current transformer one end connecting breaker, other end connection line type isolating/grounding switch, described high speed grounding switch is connected to line type isolating/grounding switch, described extension widening parts one end connection line type isolating/grounding switch, one end connects bushing outgoing line unit, described bus type isolating/grounding switch, main bus bar, circuit breaker is by steel structure support underframe support.
Described main bus bar is three-phase composite formula structure, adopts the process of casting three-phase housing to be cast as conjoined structure, inner as a whole air chamber.
The line outlet that the main bus bar adopted is connected with equipment body part is positioned on straight line, while the connected mode that can meet various ways, simplifies the connection between main bus bar and equipment body.
The arrangement of described circuit breaker employing level is positioned on support underframe, and described main bus bar be arranged in parallel with bus type isolating/grounding switch respectively, and described main bus bar adopts " one " font to arrange.
Described equipment adopts overall three-phase separate box structure.
Described current transformer is compounded with threeway link, makes it have the line outlet of radial and axial both direction.
The arrangement of described circuit breaker employing level is positioned on support underframe.
Described line type isolating/grounding switch is connected to side or the top of current transformer, and described line type isolating/grounding switch is vertical with extension widening parts to be arranged or arrange in " one " font.
A kind of high pressure gas insulation metal sealing switch equipment, comprise setting the first and second two bus type isolating/grounding switch in the enclosure, the first and second two main bus bars, circuit breaker, the first and second two current transformers, extend widening parts and support underframe, the first described bus type isolating/grounding switch is connected to the first current transformer, the second described bus type isolating/grounding switch is connected to the first bus type isolating/grounding switch, the second described main bus bar is connected to the first bus type isolating/grounding switch, the first described main bus bar is connected to the second bus type isolating/grounding switch, first described current transformer one end connecting breaker, the other end connects the first bus type isolating/grounding switch, second described current transformer one end connecting breaker, other end connection line type isolating/grounding switch, described extension widening parts one end connection line type isolating/grounding switch, one end connects bushing outgoing line unit, the first described bus type isolating/grounding switch, second bus type isolating/grounding switch, first main bus bar, circuit breaker is supported by the support underframe of steel construction.
Compared with prior art, the utility model has following beneficial effect: the utility model high pressure gas insulation metal sealing switch equipment comprises setting two bus type isolating/grounding switch in the enclosure, two main bus bars, circuit breaker, two current transformers, line type isolating/grounding switch, high speed grounding switch, extend widening parts, bushing outgoing line unit and support underframe, two described main bus bars are connected to two bus type isolating/grounding switch, one end of one of them bus type isolating/grounding switch is connected with another one bus type isolating/grounding switch, one end connects a current transformer in addition, the other end connecting breaker of this current transformer, another current transformer one end connecting breaker, other end connection line type isolating/grounding switch, described high speed grounding switch is connected to line type isolating/grounding switch, described extension widening parts one end connection line type isolating/grounding switch, one end connects bushing outgoing line unit, described bus type isolating/grounding switch, main bus bar, circuit breaker is by steel structure support underframe support.So, the utility model switchgear overall structure is compacter, the feature that apparent size is less, solves traditional Cubicle Gas-Insulated Switchgear overall structure huger, takies the problem of larger space volume.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the utility model embodiment one,
Accompanying drawing 2 is the structural representation of the utility model embodiment two,
Accompanying drawing 3 is the structural representation of the utility model embodiment three.
1,2-bus type isolating/grounding switch, 3,4-main bus bar, 5-circuit breaker, 6,7-current transformer, 8-line type isolating/grounding switch, 9-high speed grounding switch, 10-extend widening parts, 11-bushing outgoing line unit, 12-support underframe.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Execution mode one
As shown in Figure 1, shown in this accompanying drawing is a kind of line interval arrangement of this Cubicle Gas-Insulated Switchgear.
A kind of high pressure gas insulation metal sealing switch equipment, this equipment comprises the first bus type isolating/grounding switch 1, second bus type isolating/grounding switch 2, first main bus bar 3, second main bus bar 4, circuit breaker 5, first current transformer 6, second current transformer 7, line type isolating/grounding switch 8, high speed grounding switch 9, extends widening parts 10, bushing outgoing line unit 11 and steel structure support underframe 12; Described first bus type isolating/grounding switch 1, second bus type isolating/grounding switch 2, first main bus bar 3, second main bus bar 4, circuit breaker 5, first current transformer 6, second current transformer 7, line type isolating/grounding switch 8, high speed grounding switch 9, extension widening parts 10 and bushing outgoing line unit 11 are all arranged in aluminium shell.
One end of the first described bus type isolating/grounding switch 1 connects the first current transformer 6, the other end of the first described bus type isolating/grounding switch 1 connects the second bus type isolating/grounding switch 2, the first described main bus bar 3 is connected to the second bus type isolating/grounding switch 2, the second described main bus bar 4 is connected to the first bus type isolating/grounding switch 1, first described current transformer 6 one end connecting breaker 5, other end connection bus type isolating/grounding switch 1, second described current transformer 7 one end connecting breaker 5, other end connection line type isolating/grounding switch 8, described high speed grounding switch 9 is connected to line type isolating/grounding switch 8, described extension widening parts 10 one end connection line type isolating/grounding switch 8, one end connects bushing outgoing line unit 11, the first described bus type isolating/grounding switch 1, second bus type isolating/grounding switch 2, first main bus bar 3, circuit breaker 5 is supported by the support underframe 12 of steel construction.
As shown in Figure 1, described equipment adopts overall three-phase separate box structure; The first described main bus bar 3 and the second main bus bar 4 are three-phase composite formula structure, it adopts the process of casting that three-phase housing is cast as conjoined structure, inside is an Integral air chamber, all adopt " one " font to arrange, and the line outlet that the first main bus bar 3, second main bus bar 4 is all connected with equipment body part is on same straight line; Described first bus type isolating/grounding switch 1 and the second bus type isolating/grounding switch 2 adopt traditional combined type isolating/grounding switch; Support underframe 12 top of steel construction is provided with circuit breaker 5 and the first main bus bar 3; The arrangement of circuit breaker 5 employing level is positioned on support underframe; Described first current transformer 6 and the second current transformer 7 are compounded with threeway link; Described line type isolating/grounding switch 8 is connected in " one " font with extension widening parts 10; Extend widening parts 10 and be vertically connected at bushing outgoing line unit 11.
The first described current transformer 6 and the second current transformer 7 are compounded with threeway link, make it have the line outlet of both direction (radial and axial), meet the requirement in various line direction, decrease the component number of whole equipment, and then decrease joint face, make product structure compacter, connect more simple, run more safe and reliable.
Execution mode two
As shown in Figure 2, shown in this accompanying drawing is the another kind of line interval arrangement of this Cubicle Gas-Insulated Switchgear.
Execution mode two is compared with execution mode one, difference is only that the turnover line end at interval is positioned at the not homonymy of equipment, wherein the value volume and range of product of comprised components and parts is substantially identical, and the arrangement of the key elements such as connected mode and the first main bus bar 3, second main bus bar is also substantially identical.In this technical scheme, the connected mode of line type isolating/grounding switch 8 and the second current transformer 7 and line type isolating/grounding switch 8 are changed with the connected mode extending widening parts 10, to be attached thereto from the side of the second current transformer 7 by line type isolating/grounding switch 8 and to have changed line type isolating/grounding switch 8 into and be attached thereto from the top of the second current transformer 7; Line type isolating/grounding switch 8 is connected with " one " font extending widening parts 10 and has changed vertical being connected into, make the first bus type isolating/grounding switch 1, second bus type isolating/grounding switch 2, first main bus bar 3, second main bus bar 4, circuit breaker 5, first current transformer 6 in surrounding shape, make the structure of product compacter by such design, and these two kinds of arrangements are corresponding each other, can respectively as the inlet wire interval in a power station and outgoing line interval with the use of.
Execution mode three
As shown in Figure 3, shown in this accompanying drawing is the arrangement at the mother interval of this Cubicle Gas-Insulated Switchgear.
A kind of high pressure gas insulation metal sealing switch equipment, this equipment comprises the first bus type isolating/grounding switch 1, second bus type isolating/grounding switch 2, first main bus bar 3, second main bus bar 4, first current transformer 6, second current transformer 7 be arranged in aluminium shell, circuit breaker 5, extends widening parts 10 and steel structure support underframe 12.Described equipment adopts overall three-phase separate box structure, the first described bus type isolating/grounding switch 1 is connected to the first current transformer 6, the second described bus type isolating/grounding switch 2 is connected to the second current transformer 7, the first described main bus bar 4 is connected to the first bus type isolating/grounding switch 1, the second described main bus bar 3 is connected to and extends widening parts 10, first described current transformer 6 one end connecting breaker 5, the other end connects the first bus type isolating/grounding switch 1, second described current transformer 7 one end connecting breaker 5, the other end connects the second parent track type isolating/grounding switch 2, described extension widening parts 10 one end connects the second bus type isolating/grounding switch 2, one end connects the second main bus bar 3, the first described bus type isolating/grounding switch 1, second bus type isolating/grounding switch 2, first main bus bar 3, circuit breaker 5 is supported by steel structure support underframe 12.
The first described main bus bar 3 and the second main bus bar 4 are three-phase composite formula structure, it adopts the process of casting that three-phase housing is cast as conjoined structure, inside is an Integral air chamber, all adopt " one " font to arrange, and the line outlet that the first main bus bar 3, second main bus bar 4 is all connected with equipment body part is on same straight line; Described first bus type isolating/grounding switch 1 and the second bus type isolating/grounding switch 2 adopt traditional combined type isolating/grounding switch; First bus type isolating/grounding switch 1, second main bus bar 4, circuit breaker 5, first current transformer 6 and the second current transformer 7 are in surrounding shape.Execution mode three is compared with execution mode one, decrease line type isolating/grounding switch 8, high speed grounding switch 9 and bushing outgoing line unit 11, and the first bus type isolating/grounding switch 1, second main bus bar 4, circuit breaker 5, first current transformer 6 and the second current transformer 7 are designed to surround shape, the annexation of parts is made to become simpler, the structure of product is compacter, improves the security reliability of product.
Whole equipment adopts modularized design, each unit not only independent work but also be mutually closely connected.The all elements adopted all can meet the requirement of rated current 5000A.The utility model is when the larger rated current of satisfied tolerance, by three-phase main bus bar is complex as a whole, the line outlet of the first main bus bar 3 and the second main bus bar 4 is made to be positioned on straight line, in the connected mode reducing to simplify while spaced apart between main bus bar between equipment body and the first main bus bar 3, second main bus bar 4; By by the first current transformer 6, second current transformer 7 and threeway link compound, make it have the line outlet of both direction (radial and axial), meet the requirement in various line direction, thus decrease component number, and then decrease the quantity of joint face, make the structure of product compacter, connect more simple, improve the security reliability of product; By the first main bus bar 3 being arranged in the downside of the second bus type isolating/grounding switch 2, the second main bus bar 4 is arranged in the upside of the first bus type isolating/grounding switch, and all adopts " one " font to arrange, reduces the whole height at interval; Circuit breaker adopts the arrangement of level, is more rational arrangement, makes structure compacter, reduce the overall dimensions at interval.These modules and accurately machined adpting flange have on all four size, make these modules can facilitate combination on request, meet the various optimal design requirements of transformer station.
The beneficial effects of the utility model are as follows:
1) the utility model is when the larger rated current of satisfied tolerance, first main bus bar, the second main bus bar adopt three-phase composite formula structure, and all adopting " one " font to arrange, inside is an Integral air chamber, is reduced the whole height at interval by such setting; The line outlet that first main bus bar, the second main bus bar are all connected with equipment body part is on same straight line, by such setting, not only reduce spaced apart between the first main bus bar and the second main bus bar, and simplify the connected mode between equipment body and the first main bus bar, the second main bus bar; First main bus bar is connected to the second bus type isolating/grounding switch, and the first main bus bar is positioned at the below of the second bus type isolating/grounding switch; Second main bus bar is connected to the first bus type isolating/grounding switch, and the second main bus bar is positioned at the top of the first bus type isolating/grounding switch, to be arranged with " one " font of the first main bus bar, the second main bus bar by such setting and match, reduce the whole height at interval, make structure compacter; By being arranged so that the volume at full unit interval is little, lightweight above, so that standard cell interval just can become a standardised transportation unit, and the Installation and Debugging work of product can complete in factory, and the workload of erecting bed is minimized.
2) the utility model passes through the first current transformer, the second current transformer and threeway link compound, make it have the line outlet of both direction (radial and axial), meet the requirement in various line direction, thus decrease component number, and then decrease the quantity of joint face, make the structure of product compacter, connect more simple, improve the security reliability of product.
3) circuit breaker of the present utility model adopts the arrangement of level, structure can be made compacter, reduce the overall dimensions at interval, the floor space and the required construction that greatly reduce transformer station drop into, be particularly suitable for applying in the city of prosperity, meet present environmental protection and cost-effectiveness requirement completely; Whole equipment adopts modularized design, each unit not only independent work but also be mutually closely connected, these modules and accurately machined adpting flange have on all four size, make these modules can facilitate combination on request, meet the various optimal design requirements of transformer station, by Optimal improvements of the present utility model, while the requirement that can meet power grid construction development, also reduce production cost, make product to environmentally friendly future development.
Above content is in conjunction with concrete preferred arrangement further detailed description of the utility model, can not assert that concrete arrangement of the present utility model is only limitted to this.And foregoing merely illustrates the preferred arrangement at several typical interval of Cubicle Gas-Insulated Switchgear; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; some simple deduction or replace can also be made, all should be considered as belonging to the scope of patent protection that the utility model is determined by submitted to claims.

Claims (9)

1. a high pressure gas insulation metal sealing switch equipment, is characterized in that, this equipment comprises setting two bus type isolating/grounding switch (1 in the enclosure, 2), two main bus bars (3, 4), circuit breaker (5), two current transformers (6, 7), line type isolating/grounding switch (8), high speed grounding switch (9), extend widening parts (10), bushing outgoing line unit (11) and support underframe (12), two described main bus bars (3, 4) two bus type isolating/grounding switch (1 are connected to, 2), one end of one of them bus type isolating/grounding switch (1) is connected with another one bus type isolating/grounding switch (2), one end connects a current transformer (6) in addition, the other end connecting breaker (5) of this current transformer (6), another current transformer (7) one end connecting breaker (5), other end connection line type isolating/grounding switch (8), described high speed grounding switch (9) is connected to line type isolating/grounding switch, described extension widening parts (10) one end connection line type isolating/grounding switch, the other end connects bushing outgoing line unit, described bus type isolating/grounding switch, main bus bar, circuit breaker is by steel structure support underframe support.
2. a kind of high pressure gas insulation metal sealing switch equipment according to claim 1, is characterized in that, described main bus bar is three-phase composite formula structure, adopts the process of casting three-phase housing to be cast as conjoined structure, inner as a whole air chamber.
3. a kind of high pressure gas insulation metal sealing switch equipment according to claim 1, it is characterized in that, the line outlet that the main bus bar adopted is connected with equipment body part is positioned on straight line, while the connected mode that can meet various ways, simplify the connection between main bus bar and equipment body.
4. a kind of high pressure gas insulation metal sealing switch equipment according to claim 2, it is characterized in that, described main bus bar be arranged in parallel with bus type isolating/grounding switch respectively, and described main bus bar adopts " one " font to arrange.
5. a kind of high pressure gas insulation metal sealing switch equipment according to claim 1, is characterized in that, described equipment adopts overall three-phase separate box structure.
6. a kind of high pressure gas insulation metal sealing switch equipment according to claim 1, it is characterized in that, described current transformer is compounded with threeway link, makes it have the line outlet of radial and axial both direction.
7. a kind of high pressure gas insulation metal sealing switch equipment according to claim 1, is characterized in that, the arrangement of described circuit breaker employing level is positioned on support underframe.
8. a kind of high pressure gas insulation metal sealing switch equipment according to claim 1, it is characterized in that, described line type isolating/grounding switch (8) is connected to side or the top of current transformer (7), and described line type isolating/grounding switch (8) is vertical with extension widening parts to arrange or arrange in " one " font.
9. a high pressure gas insulation metal sealing switch equipment, it is characterized in that, this equipment comprises setting the first and second two bus type isolating/grounding switch (1 in the enclosure, 2), the first and second two main bus bars (3, 4), circuit breaker (5), the first and second two current transformers (6, 7), line type isolating/grounding switch (8), extend widening parts (10) and support underframe (12), the first described bus type isolating/grounding switch (1) is connected to the first current transformer (6), the second described bus type isolating/grounding switch (2) is connected to the second current transformer (7), described the second main bus bar (4) is connected to the first bus type isolating/grounding switch (1), described the first main bus bar (3) is connected to the second bus type isolating/grounding switch (2), described the first current transformer (6) one end connecting breaker (5), the other end connects the first bus type isolating/grounding switch (1), described the second current transformer (7) one end connecting breaker (5), other end connection line type isolating/grounding switch (8), described high speed grounding switch (9) is connected to line type isolating/grounding switch (8), described extension widening parts (10) one end connection line type isolating/grounding switch (8), one end connects bushing outgoing line unit (11), the first described bus type isolating/grounding switch (1), second bus type isolating/grounding switch (2), first main bus bar (3), circuit breaker (5) is supported by the support underframe (12) of steel construction.
CN201420771509.1U 2014-12-04 2014-12-04 A kind of high pressure gas insulation metal sealing switch equipment Active CN204290149U (en)

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CN201420771509.1U CN204290149U (en) 2014-12-04 2014-12-04 A kind of high pressure gas insulation metal sealing switch equipment

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Application Number Priority Date Filing Date Title
CN201420771509.1U CN204290149U (en) 2014-12-04 2014-12-04 A kind of high pressure gas insulation metal sealing switch equipment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108604784A (en) * 2016-02-11 2018-09-28 西门子股份公司 Encapsulating housing for gas-insulated switchgear is arranged

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108604784A (en) * 2016-02-11 2018-09-28 西门子股份公司 Encapsulating housing for gas-insulated switchgear is arranged

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