CN201438615U - Butting device for GIS equipment - Google Patents
Butting device for GIS equipment Download PDFInfo
- Publication number
- CN201438615U CN201438615U CN2009201531106U CN200920153110U CN201438615U CN 201438615 U CN201438615 U CN 201438615U CN 2009201531106 U CN2009201531106 U CN 2009201531106U CN 200920153110 U CN200920153110 U CN 200920153110U CN 201438615 U CN201438615 U CN 201438615U
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- bus
- detachable
- conductor
- gis equipment
- gis
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- Expired - Lifetime
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- 238000002955 isolation Methods 0.000 claims abstract description 13
- 239000004020 conductor Substances 0.000 claims description 59
- 210000001503 joint Anatomy 0.000 claims description 27
- 238000003032 molecular docking Methods 0.000 claims description 26
- 239000012212 insulator Substances 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 4
- 229910018503 SF6 Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 3
- 229960000909 sulfur hexafluoride Drugs 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Gas-Insulated Switchgears (AREA)
Abstract
The utility model specifically discloses a butting device for GIS equipment, which comprises an isolation/grounding switch, a reserved bus and an L-shaped bus, wherein the isolation clearance of the isolation/grounding switch is connected between the tail ends of an electrified running part and the reserved bus, and the grounding clearance thereof is connected between the reserved bus and the ground; the other end of the reserved bus is connected with the L-shaped bus; and the other end of the L-shaped bus is butted with a main bus through a three-way joint. By adopting the butting device, the expansion butting of the GIS equipment can be realized without influencing the normal operation of the GIS equipment.
Description
Technical field
The utility model relates to the switchgear field, particularly relates to a kind of GIS equipment interconnection device.
Background technology
Along with developing rapidly of national economy and power industry, scale of power is huge day by day, gas-insulated metal-enclosed type switchgear (GIS:Gas Insulated Switchgear) because of its operation be subjected to external environment influence little, do not need advantages such as regular maintenance, floor space be little, in transformer station, be widely adopted in recent years.
GIS equipment is meant the primary equipment except that transformer in the transformer station, comprise bus, circuit breaker, isolating switch, earthed switch, voltage transformer, current transformer, lightning arrester, cable termination, turnover thread casing etc., organically combine through optimal design, by seal of vessel, internal tank is full of sulfur hexafluoride gas to insulate.
In actual applications, transformer station generally can carry out built by separate periods to the GIS power station according to actual needs.When existing GIS power station is extended, GIS equipment in early stage need be docked with later stage GIS equipment.With reference to Fig. 1, be the main electrical scheme schematic diagram of the GIS power station of prior art enlarging.
In shown in Figure 1, solid line partly is the first phase equipment 1a in GIS power station, and dotted portion is the second stage of equipment 2a of enlarging.In the enlarging process, needs realization first phase equipment 1a bus docks with the second stage of equipment 2a bus.
By diagram as can be known, when the GIS power station being extended butt joint,, the charging operation position of working among the first phase equipment 1a need be had a power failure, therefore, influence the operate as normal of first phase equipment 1a in order to guarantee device security and workmen's personal safety.
Therefore, how realizing the enlarging butt joint of GIS equipment under the situation that does not influence the normal operation of GIS equipment in early stage, is the technical problem that those skilled in the art are badly in need of solving.
The utility model content
Technical problem to be solved in the utility model provides a kind of GIS equipment interconnection device, can realize the enlarging butt joint of GIS equipment under the situation that does not influence the normal operation of GIS equipment in early stage.
For solving the problems of the technologies described above, the utility model provides a kind of GIS equipment interconnection device, and described device comprises isolating/grounding switch, reserves bus and L type bus; Wherein,
The isolation fracture of described isolating/grounding switch is connected on the end at charging operation position and reserves between the bus; Its ground connection fracture is connected on to be reserved between bus and the ground;
The described L type of another termination bus of described reservation bus; The other end of described L type bus achieves a butt joint through threeway and main bus bar.
Preferably, described device also comprises detachable bus; Described detachable bus is connected between described L type bus and the described threeway.
Preferably, described detachable bus comprises housing, bellows, center conductor; Wherein,
Described center conductor form by two bonding conductors and the butt joint of detachable conductor and described detachable conductor between two bonding conductors;
Respectively be positioned at below bonding conductor and the detachable conductor docking site and the housing of side on, offer first and pull out mouthful and second pull out mouth, and be respectively described first and pull out mouthful and second pull out supporting installation first cover plate of mouth and second cover plate.
Preferably, the central axis of described detachable conductor and bonding conductor is positioned on the same horizontal line.
Preferably, described detachable bus also comprises disc insulator and post insulator, has the effect of insulation and centre of support conductor.
Preferably, electrical connection is installed in described disc insulator middle part; The fixation side of described bonding conductor penetrates in the groove of described electrical connection.
Preferably, described device also comprises the transition bus; Described transition bus is connected between described detachable bus and the described threeway.
Compared with prior art, the utlity model has following advantage:
The utility model provides a kind of GIS equipment interconnection device, and described device comprises isolating/grounding switch, reserves bus and L type bus; Wherein, the isolation fracture of described isolating/grounding switch is connected on the end at charging operation position and reserves between the bus; Its ground connection fracture is connected on to be reserved between bus and the ground; The described L type of another termination bus of described reservation bus; The other end of described L type bus achieves a butt joint through threeway and main bus bar.
When needs carry out GIS power station first phase equipment when docking with the second stage of equipment, the isolation fracture of isolating/grounding switch is disconnected, be connected disconnection between the end that makes charging operation position in the first phase equipment and the reservation bus.Simultaneously, in order to guarantee the personal safety of device security and workmen in the docking operation, the ground connection fracture of closed isolating/grounding switch makes the reservation busbar grounding.At this moment, do not need the charging operation position of first phase equipment is had a power failure, just can be directly disconnect and reserve being connected between bus and the main mother by removing L type bus, the butt end of the second stage of equipment is linked to each other with the reservation bus of first phase equipment, realization GIS power station first phase equipment docks with the second stage of equipment.Obviously, in the above-mentioned docking operation, the charging operation position in the first phase equipment can operate as normal, can not be subjected to the influence of bus butt joint.
Description of drawings
Fig. 1 is the main electrical scheme schematic diagram of the GIS power station enlarging of prior art;
Fig. 2 extends the main electrical scheme schematic diagram of butt joint for the GIS equipment interconnection device that adopts the utility model first embodiment;
Fig. 3 extends the floor plan schematic diagram of butt joint for the GIS equipment interconnection device that adopts the utility model first embodiment;
Fig. 4 extends the floor plan schematic diagram of butt joint for the GIS equipment interconnection device that adopts the utility model second embodiment;
Fig. 5 is a detachable bus cutaway view of the present utility model;
Fig. 6 is a GIS equipment interconnection method flow diagram of the present utility model;
Fig. 7 a～7e carries out GIS equipment interconnection process schematic diagram for adopting GIS equipment interconnection device of the present utility model.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
With reference to Fig. 2 and Fig. 3, be respectively main electrical scheme schematic diagram and floor plan schematic diagram that the GIS equipment interconnection device that adopts the utility model first embodiment is extended butt joint.
As shown in Figures 2 and 3, solid line partly is the first phase equipment in GIS power station, and dotted portion is the second stage of equipment of enlarging.Part is the charging operation position 2 of GIS power station first stage of the project shown in Fig. 2 frame of broken lines.
In traditional GIS power station enlarging butt joint,, at first need described charging operation position 2 is had a power failure, carry out the butt joint of first phase equipment bus and the second stage of equipment bus again in order to guarantee device security and workmen's personal safety.
GIS equipment interconnection device 1 described in the utility model comprises: isolating/grounding switch 12, reservation bus 13, L type bus 14.
Referring to Fig. 2 and Fig. 3, described isolating/grounding switch 12 is arranged on the end at charging operation position 2.Its isolation fracture is connected on the end at charging operation position 2 and reserves between the bus 13; Its ground connection fracture is connected on to be reserved between bus 13 and the ground.
Reserve another termination L type bus 14 of bus 13; The other end of L type bus 14 was connected threeway 4 and was achieved a butt joint with main bus bar 3.The 3rd termination lightning arrester 5 of threeway 4.
When GIS equipment normally moved, the isolation fracture closure of isolating/grounding switch 12, ground connection fracture disconnected, and realized being connected between charging operation positions 2 and the main bus bar 3 by reserving bus 13, L type bus 14.
When needs carry out GIS power station first phase equipment when docking with the second stage of equipment, the isolation fracture of isolating/grounding switch 12 is disconnected, be connected disconnection between the end that makes charging operation position 2 and the reservation bus 13.Simultaneously, in order to guarantee the personal safety of device security and workmen in the docking operation, the ground connection fracture of closed isolating/grounding switch 12 makes and reserves bus 13 ground connection.At this moment, do not need again charging operation position 2 to be had a power failure, can be directly disconnect and reserve being connected between buses 13 and the main bus bar 3 by removing L type bus 14, with the butt end of the second stage of equipment with reserve bus 13 and link to each other, realization GIS power station first phase equipment docks with the second stage of equipment.Obviously, in the above-mentioned docking operation, charging operation position 2 can operate as normal, can not be subjected to the influence of bus butt joint.
Preferably, as shown in Figure 2, described isolating/grounding switch 12 can comprise isolating switch 121 and earthed switch 122.
The end at one termination charging operation position 2 of isolating switch 121, another termination is reserved an end of bus 13 and earthed switch 122; The other end ground connection of earthed switch 122.
When GIS equipment normally moved, isolating switch 121 closures, earthed switch 122 disconnected, and realized being connected between charging operation positions 2 and the main bus bar 3 by reserving bus 13, L type bus 14.
When needs carry out GIS power station first phase equipment when docking with the second stage of equipment, isolating switch 121 is disconnected, earthed switch 122 closures make charging operation position 2 and reserve bus 13 disconnections and be connected, and reserve bus 13 ground connection simultaneously.Make in the docking operation charging operation position 2 can operate as normal, can not be subjected to the influence of bus butt joint.
Because the barrel diameter of the required bus of GIS equipment is generally all bigger, bus heaviness and be difficult to move causes the dismounting work of bus very difficult.The utility model embodiment two described GIS equipment interconnection devices 1 further comprise dismountable bus, by the improvement to the bus structure, make the dismantlement work of realization bus that can be easy in the docking operation.
With reference to Fig. 4, extend the floor plan schematic diagram of butt joint for the GIS equipment interconnection device that adopts the utility model second embodiment.
The utility model embodiment two described GIS equipment interconnection devices 1 are that with the difference of embodiment one described GIS equipment interconnection device 1 further comprises: detachable bus 15.Described detachable bus 15 is connected between L type bus 14 and the threeway 4.
Preferably, the length of general described detachable bus can not be long, and described device may further include transition bus 16, and described transition bus 16 is connected between detachable bus 15 and the threeway 4.
Referring to Fig. 5, be detachable bus cutaway view of the present utility model.
As shown in Figure 5, at center conductor 153 two ends disc insulator 154 and pillar insulator are set respectively.Described disc insulator 154 and pillar insulator play insulation and centre of support conductor 153, and its two ends are separately fixed on the detachable bus housing 151.Be provided with in the middle part of disc insulator 154 and the U type to be installed to be electrically connected 155, be electrically connected 155 by the U type center conductor 153 tightly blocked, realize fixed support center conductor.
In order can to take out the inside that each part of dismounting center conductor 153 down is easy from described detachable bus, be positioned at bonding conductor 153a and detachable conductor 153b docking site below housing 151 on, offer first and pull out mouth 156.
Referring to shown in Figure 5, center conductor 153 comprises two bonding conductors, considers the needs that are provided with of bellows 152 in the GIS equipment bus, and the general place of selecting to avoid bellows 152 is offered first and pulled out mouthfuls 156.Therefore with Fig. 5 is that example describes, and bellows 152 is arranged on the docking site of detachable conductor 153b and right side bonding conductor, offers first below the docking site of detachable conductor 153b and left side bonding conductor and pulls out mouth 156.
Simultaneously, in order to guarantee the sealing of GIS equipment, be first to pull out mouthful 156 supporting installation first cover plates 157.
In order further to guarantee the simplicity of center conductor dismounting, make the workmen convenient center conductor is operated and will be dismantled under each parts of center conductor take out from the inside of detachable bus, on the side housing 151 that is positioned at bonding conductor 153a and detachable conductor 153b docking site, offer second and pull out mouth 158, position shown in broken circle among Fig. 5).Equally, based on the consideration that is provided with of bellows 152, second pulls out mouth 158 should pull out mouthful 156 corresponding settings with described first.In the optimal way, can make the two be positioned at same radial position place of detachable bus housing 151.
Simultaneously, in order to keep the sealing of whole detachable bus, be second to pull out mouthful 158 supporting installation second cover plate (not shown)s.
The utility model embodiment two described GIS equipment interconnection devices 1 adopt detachable bus 15.Because the center conductor 153 of described detachable bus 15 is formed by two bonding conductor 153a and a detachable conductor 153b butt joint, simultaneously, respectively be positioned at below bonding conductor 153a and the detachable conductor 153b docking site and the housing 151 of side on, offer first and pull out mouthful 156 and second and pull out mouthfuls 158.In docking operation or overhaul of the equipments process, when needing the dismounting bus, only needing that first of detachable bus 15 is pulled out mouthful 156 and second cover plate that pulls out mouth 158 opens, disconnect the connection between center conductor 153 each several parts, again the each several part parts of center conductor 153 are pulled out mouthful 156 and second from first respectively and pull out mouthfuls 158 and take out.The dismantlement work of easy thus realization bus.
The corresponding GIS equipment interconnection device that provides with the utility model, the utility model also provides and has adopted described GIS docking facilities to carry out the method for GIS equipment interconnection.
Referring to shown in Figure 6, for adopting GIS equipment interconnection method flow diagram of the present utility model.Describe in conjunction with Fig. 7 a～7e, wherein Fig. 7 a～7e carries out GIS equipment interconnection process schematic diagram for adopting GIS equipment interconnection device of the present utility model.
When adopting the device of realization described in the utility model GIS equipment interconnection to carry out GIS equipment enlarging butt joint, specifically may further comprise the steps:
Step S 100: with the isolation fracture of the isolating/grounding switch of described GIS equipment interconnection device disconnect, ground connection fracture closure.
Referring to Fig. 2, when existing GIS power station is extended, at first with 121 disconnections of the isolating switch in the isolating/grounding switch 12, earthed switch 122 closures.
As shown in Figure 2, by disconnecting isolating switch 121, GIS equipment interconnection device is connected with 2 disconnections of charging operation position.Thus, guaranteed that charging operation part 2 does not need to have a power failure, can operate as normal in the GIS power station enlarging docking operation.
Simultaneously, dock with the safety of the second stage of equipment in order to realize GIS power station first phase equipment, closed ground switch 122 makes GIS equipment interconnection device ground connection, device security in the assurance docking operation and staff's personal safety.
Step S200: the first phase equipment to the GIS power station carries out gas treatment.
With the described GIS equipment interconnection of the utility model second embodiment device is that example describes.As shown in Figure 7, will reserve in the bus 13 air pressure and reduce to 0.05MPa, air pressure is all directly reduced to 0MPa in L type bus 14, detachable bus 15 and the transition bus 16.The air chamber air pressure adjacent with described transition bus 16 is reduced to 0.05MPa.After the step-down, with the gas that makes the return trip empty in described L type bus 14, detachable bus 15 and the transition bus 16 (among Fig. 7 a shown in the dash area).
Step S300: remove all connection buss of reserving between bus and the main bus bar.
To the utility model embodiment one described GIS equipment interconnection device, only need to remove L type bus 14 and get final product; To the utility model embodiment two described GIS equipment interconnection devices, shown in Fig. 7 b, need remove L type bus 14, detachable bus 15 and transition bus 16 successively.
Preferably, in order to keep the sealing of GIS equipment, after above-mentioned each bus dismounting, can append the end at corresponding site, it is seal cover, shown in Fig. 7 c, particular location is for appending first seal cover 131, appending second seal cover 132 in the threeway 4 and the butt end of GIS equipment interconnection device 1 in the butt end of reserving bus 13 and L type bus 14.
Step S400: remove the transportation cover plate of manned the second stage of equipment 6, and install butt joint bus 61 and test end 62 additional, behind described the second stage of filling apparatus sulfur hexafluoride gas, the second stage of device context is carried out correlation test in its end.Specifically referring to shown in Fig. 7 d.
Preferably, in order to save the bus resource, to reduce project cost, when adopting the described GIS equipment interconnection device of the utility model embodiment two, can use among the step S300 transition bus 16 from described GIS equipment interconnection device 1, removed to be connected on the end of the second stage of equipment GIS circuit breaker 6, carry out correlation test fully as butt joint bus 61.
Step S500: after the test of the second stage of device context finishes, reclaim gas and also remove described test end, the butt joint bus 61 of the second stage of equipment is connected on the reservation bus 13 of first phase equipment, realize docking of first phase equipment and the second stage of equipment.
Preferably, in order to make the bus docking operation simple and easy to operate, when adopting the described GIS equipment interconnection device of the utility model embodiment two, can adopt the detachable bus of from described GIS equipment interconnection device 1, removing 15 to realize docking of first phase equipment and the second stage of equipment, shown in Fig. 7 e.
Step S600: after butt joint is finished, will charge into the sulfur hexafluoride gas of specified air pressure in each air chamber, the isolation fracture closure of isolating/grounding switch, ground connection fracture disconnect, and make the second stage of equipment begin charging operation.
When adopting GIS equipment interconnection device described in the utility model that GIS power station first phase equipment is docked with the second stage of equipment, the isolation fracture of isolating/grounding switch is disconnected, be connected disconnection between the end that makes charging operation position in the first phase equipment and the reservation bus.Simultaneously, in order to guarantee the personal safety of device security and workmen in the docking operation, the ground connection fracture of closed isolating/grounding switch makes the reservation busbar grounding.And then proceed conventional docking operation.The method that adopts this device to dock, do not need the charging operation position of first phase equipment is had a power failure, just can be directly disconnect and reserve being connected between bus and the main mother by removing L type bus, the butt end of the second stage of equipment is linked to each other with the reservation bus of first phase equipment, and realization GIS power station first phase equipment docks with the second stage of equipment.Obviously, in the above-mentioned docking operation, the charging operation position in the first phase equipment can operate as normal, can not be subjected to the influence of bus butt joint.
More than to a kind of GIS equipment interconnection device provided by the utility model, be described in detail, used specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (7)
1. a GIS equipment interconnection device is characterized in that, described device comprises isolating/grounding switch, reserves bus and L type bus; Wherein,
The isolation fracture of described isolating/grounding switch is connected on the end at charging operation position and reserves between the bus; Its ground connection fracture is connected on to be reserved between bus and the ground;
The described L type of another termination bus of described reservation bus; The other end of described L type bus achieves a butt joint through threeway and main bus bar.
2. GIS equipment interconnection device according to claim 1 is characterized in that described device also comprises detachable bus; Described detachable bus is connected between described L type bus and the described threeway.
3. GIS equipment interconnection device according to claim 2 is characterized in that described detachable bus comprises housing, bellows, center conductor; Wherein,
Described center conductor is formed by two bonding conductors and a detachable conductor butt joint, and described detachable conductor is between two bonding conductors;
Respectively be positioned at below bonding conductor and the detachable conductor docking site and the housing of side on, offer first and pull out mouthful and second pull out mouth, and be respectively described first and pull out mouthful and second pull out supporting installation first cover plate of mouth and second cover plate.
4. GIS equipment interconnection device according to claim 3 is characterized in that the central axis of described detachable conductor and bonding conductor is positioned on the same horizontal line.
5. GIS equipment interconnection device according to claim 3 is characterized in that described detachable bus also comprises disc insulator and post insulator, has the effect of insulation and centre of support conductor.
6. GIS equipment interconnection device according to claim 3 is characterized in that, installs in described disc insulator middle part to be electrically connected; The fixation side of described bonding conductor penetrates in the groove of described electrical connection.
7. GIS equipment interconnection device according to claim 2 is characterized in that described device also comprises the transition bus; Described transition bus is connected between described detachable bus and the described threeway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201531106U CN201438615U (en) | 2009-06-24 | 2009-06-24 | Butting device for GIS equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201531106U CN201438615U (en) | 2009-06-24 | 2009-06-24 | Butting device for GIS equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201438615U true CN201438615U (en) | 2010-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201531106U Expired - Lifetime CN201438615U (en) | 2009-06-24 | 2009-06-24 | Butting device for GIS equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201438615U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113964707A (en) * | 2021-10-19 | 2022-01-21 | 上海宝冶冶金工程有限公司 | Extension method of box-type GIS busbar barrel |
-
2009
- 2009-06-24 CN CN2009201531106U patent/CN201438615U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113964707A (en) * | 2021-10-19 | 2022-01-21 | 上海宝冶冶金工程有限公司 | Extension method of box-type GIS busbar barrel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100414 Effective date of abandoning: 20090624 |