CN212303525U - GIS is with keeping apart and withstand voltage equipment - Google Patents
GIS is with keeping apart and withstand voltage equipment Download PDFInfo
- Publication number
- CN212303525U CN212303525U CN202021027323.7U CN202021027323U CN212303525U CN 212303525 U CN212303525 U CN 212303525U CN 202021027323 U CN202021027323 U CN 202021027323U CN 212303525 U CN212303525 U CN 212303525U
- Authority
- CN
- China
- Prior art keywords
- contact seat
- conductor
- basin
- gis
- shaped shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004020 conductor Substances 0.000 claims abstract description 36
- 239000012212 insulator Substances 0.000 claims abstract description 20
- 210000001503 joint Anatomy 0.000 claims abstract description 4
- 239000003463 adsorbent Substances 0.000 claims description 5
- 238000002955 isolation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000005684 electric field Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Images
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model relates to a GIS is with keeping apart and withstand voltage equipment, its structure is: the disconnection parts of the left bus and the right bus are respectively connected with basin-type insulators, the basin-type insulators on the two sides are connected with the T-shaped shell together, and the top of the T-shaped shell is connected with a cover plate; the two basin-type insulators, the cover plate and the T-shaped shell form a closed cavity together; the inner wall of the basin-type insulator on the left side is provided with a left contact seat, the inner wall of the basin-type insulator on the right side is provided with a right contact seat, and the axes of the left contact seat and the right contact seat are coaxial and are coaxial with the bus; a left conductor is inserted on the left contact base, a right conductor is inserted on the right contact base, and the butt joint part of the left conductor and the right conductor is connected through a connecting piece; an opening is formed in the center of the bottom of the T-shaped shell, and the opening is connected with an explosion-proof device. The isolation and voltage-withstanding equipment effectively solves the problem of long lines in the existing GIS fault maintenance process, and can be used as a grounding device in the field voltage withstanding process of the GIS.
Description
Technical Field
The utility model relates to a GIS is with keeping apart and withstand voltage equipment belongs to a high-voltage electrical equipment.
Background
The GIS equipment refers to primary switch equipment except a transformer in a transformer substation, comprising a circuit breaker, a disconnecting switch, a grounding switch, a quick grounding switch, a current transformer, a bus and the like, which are optimally arranged together on the basis of considering certain compensation, and because the GIS is a closed combined electrical appliance and is internally filled with SF6 gas for reliable insulation, at present, when the bus is too long in GIS engineering or contains a voltage transformer, the voltage transformer and the bus need to be isolated and disconnected in field voltage resistance.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a GIS is with keeping apart and withstand voltage equipment, the problem of wave and long circuit when should keep apart and withstand voltage equipment effectively solves current GIS troubleshooting to can act as the on-the-spot earthing device that uses of GIS when withstand voltage.
For solving the above problems, the specific technical scheme of the utility model is as follows: a GIS uses and isolates and withstand voltage apparatus, connect the basin type insulator separately in the break-off place of the left generating line and right generating line, the basin type insulator of both sides connects T-type shell together, the top of T-type shell connects the cover plate; the two basin-type insulators, the cover plate and the T-shaped shell form a closed cavity together; the inner wall of the basin-type insulator on the left side is provided with a left contact seat, the inner wall of the basin-type insulator on the right side is provided with a right contact seat, and the axes of the left contact seat and the right contact seat are coaxial and are coaxial with the bus; a left conductor is inserted on the left contact base, a right conductor is inserted on the right contact base, and the butt joint part of the left conductor and the right conductor is connected through a connecting piece; an opening is formed in the center of the bottom of the T-shaped shell, and the opening is connected with an explosion-proof device.
The middle of the outer circumference of the connecting piece is provided with an annular boss, two ends of the connecting piece are respectively provided with a connecting table, and the connecting tables on the left side and the right side are fixedly connected with a left conductor or a right conductor at corresponding positions through bolts; the annular boss is connected with a shielding cover through screws, and two ends of the shielding cover extend to the end parts of the left conductor and the right conductor on two sides.
The inner surface of the cover plate is provided with an adsorbent.
When the GIS equipment is overhauled, all parts between the left contact seat and the right contact seat are removed, the pressure-resistant left contact seat device replaces the left contact seat, the pressure-resistant right contact seat device replaces the right contact seat, and the pressure-resistant right contact seat device is connected with the explosion-proof device through the grounding wire.
This GIS adopts above-mentioned structure with isolation and withstand voltage equipment, has following advantage:
1. The conductor on two sides can be conveniently detached by adopting a connecting piece mode;
2. The shielding cover is fixed on the annular boss of the connecting piece through the screw, so that the electric field of the conductor and the connecting piece is effectively uniform, and GIS surface flashover caused by electric field distortion is avoided;
3. the gas-insulated GIS has a simple structure, is convenient to disassemble and assemble, is provided with a specific adsorbent, absorbs gas impurities and moisture, and ensures that the GIS has good insulating property;
4. And a fracture is added, and grounding connection is arranged, so that the GIS is convenient to withstand voltage in a sectional manner on site.
Drawings
Fig. 1 is a schematic view of the operating state of the isolation and voltage resistance device for the GIS.
Fig. 2 is a partially enlarged view of the joint.
Fig. 3 is a schematic view showing the inspection state of the isolation and voltage resistance device for the GIS.
Detailed Description
As shown in fig. 1, in the isolation and voltage withstand equipment for the GIS, basin-type insulators 15 are respectively connected at the disconnected positions of a left bus 13 and a right bus 14, the basin-type insulators 15 at the two sides are connected with a T-shaped shell 7 together, and the top of the T-shaped shell 7 is connected with a cover plate 9; the two basin-type insulators 15, the cover plate 9 and the T-shaped shell 7 form a closed cavity together; the inner wall of the basin-type insulator 15 on the left side is provided with a left contact seat 11, the inner wall of the basin-type insulator 15 on the right side is provided with a right contact seat 12, and the axes of the left contact seat 11 and the right contact seat 12 are coaxial and are coaxial with a bus; a left conductor 1 is inserted on the left contact base 11, a right conductor 2 is inserted on the right contact base 12, and the butt joint part of the left conductor 1 and the right conductor 2 is connected through a connecting piece 3; an opening is formed in the center of the bottom of the T-shaped shell 7, the opening is connected with an explosion-proof device 8, and when the gas pressure in the inner cavity of the T-shaped shell exceeds the limit value of the explosion-proof device, the explosion-proof device exhausts gas for maintaining the pressure stability in GIS equipment. During installation, the end parts of the left conductor 1 and the right conductor 2 are connected with the left contact seat 11 and the right contact seat 12 in an inserting mode, and can axially slide during disassembly and assembly, so that the disassembly and assembly are convenient.
As shown in fig. 2, an annular boss 5 is arranged in the middle of the outer circumference of the connecting piece 3, connecting platforms are respectively arranged at two ends of the connecting piece, and the connecting platforms at the left side and the right side are fixedly connected with the left conductor 1 or the right conductor 2 at the corresponding positions through bolts 6; the annular boss 5 is connected with a shielding cover 4 through a screw, and two ends of the shielding cover 4 extend to the end parts of the left conductor 1 and the right conductor 2 on two sides; form the recess between connection platform and the annular boss 5, reserve out the installation space of bolt 6, 6 bolts 6 of circumference equipartition usually, guarantee the stability of connecting.
The inner surface of the cover plate 9 is provided with an adsorbent 10, the adsorbent 10 is arranged in the sealed shell to realize the adsorption of impurity gas in the insulating gas, and a gas pressure density meter and a gas charging and discharging valve can be arranged outside the cover plate for the convenience of monitoring the gas pressure detection and the gas recovery of the compartment.
As shown in fig. 3, when the GIS equipment is overhauled, all parts between the left contact base 11 and the right contact base 12 are removed to form a fracture, at this time, the cover plate 9 butted with the overhaul mounting hole is firstly detached, the bolt for fixing the middle shielding case at the annular boss is detached, the shielding case 4 is detached, the bolt 6 for connecting the left conductor 1 and the right conductor 2 is detached, the middle connecting piece 3 can be detached, and then the left conductor 1 and the right conductor 2 are sequentially pulled along the axial direction to be detached; and the pressure-resistant left contact base device 17 replaces the left contact base 11, the pressure-resistant right contact base device 18 replaces the right contact base 12, and the pressure-resistant right contact base device 18 is connected with the explosion-proof device through the grounding wire 19, so that the equipment is ready for pressure resistance.
Claims (4)
1. The utility model provides a GIS is with keeping apart and withstand voltage equipment which characterized in that: the disconnection parts of the left bus (13) and the right bus (14) are respectively connected with basin-type insulators (15), the basin-type insulators on the two sides are connected with a T-shaped shell (7) together, and the top of the T-shaped shell (7) is connected with a cover plate (9); the two basin-type insulators (15), the cover plate (9) and the T-shaped shell (7) form a closed cavity together; a left contact seat (11) is arranged on the inner wall of the basin-type insulator (15) on the left side, a right contact seat (12) is arranged on the inner wall of the basin-type insulator (15) on the right side, and the axes of the left contact seat (11) and the right contact seat (12) are coaxial and are coaxial with a bus; a left conductor (1) is inserted on the left contact seat (11), a right conductor (2) is inserted on the right contact seat (12), and the butt joint of the left conductor (1) and the right conductor (2) is connected through a connecting piece (3); an opening is arranged at the center of the bottom of the T-shaped shell (7), and the opening is connected with an explosion-proof device (8).
2. The isolating and withstand voltage device for GIS according to claim 1, wherein: the middle of the outer circumference of the connecting piece (3) is provided with an annular boss (5), two ends of the connecting piece are respectively provided with a connecting table, and the connecting tables on the left side and the right side are fixedly connected with the left conductor (1) or the right conductor (2) in the corresponding position through bolts (6); the annular boss (5) is connected with the shielding cover (4) through screws, and two ends of the shielding cover (4) extend to the end parts of the left conductor (1) and the right conductor (2) on two sides.
3. The isolating and withstand voltage device for GIS according to claim 1, wherein: the inner surface of the cover plate (9) is provided with an adsorbent (10).
4. The isolating and withstand voltage device for GIS according to claim 1, wherein: when GIS equipment is overhauled, all parts between the left contact seat (11) and the right contact seat (12) are removed, the pressure-resistant left contact seat device (17) is used for replacing the left contact seat (11), the pressure-resistant right contact seat device (18) is used for replacing the right contact seat (12), and the pressure-resistant right contact seat device (18) is connected with the explosion-proof device through a grounding wire (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021027323.7U CN212303525U (en) | 2020-06-08 | 2020-06-08 | GIS is with keeping apart and withstand voltage equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021027323.7U CN212303525U (en) | 2020-06-08 | 2020-06-08 | GIS is with keeping apart and withstand voltage equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212303525U true CN212303525U (en) | 2021-01-05 |
Family
ID=73939996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021027323.7U Active CN212303525U (en) | 2020-06-08 | 2020-06-08 | GIS is with keeping apart and withstand voltage equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212303525U (en) |
-
2020
- 2020-06-08 CN CN202021027323.7U patent/CN212303525U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202111407U (en) | Dry air insulated metal enclosed switchgear | |
| EP3823115B1 (en) | Gas-insulated metal enclosed neutral point complete-set device | |
| CN202059092U (en) | Connection structure for connecting triphase enclosed GIS combination electric appliance with transformer | |
| CN115792310B (en) | On-site experiment device and method for switching all-in-one machine | |
| CN202383236U (en) | Withstand voltage test fixture for insulation stands | |
| CN107732754B (en) | Aerify cabinet with generating line grafting function | |
| CN201541081U (en) | Monopole railway cabinet type gas insulated switch device | |
| CN109148204A (en) | A kind of gas-insulating and fully-enclosed combined electrical apparatus and its three-station isolating grounding switch | |
| CN204216476U (en) | A kind of modularization intelligent box fixes gas-filled type high-voltage alternating metal enclosed switchgear | |
| CN101976804B (en) | Outdoor high-voltage AC totally-enclosed composite apparatus | |
| CN212587873U (en) | Atmospheric gas insulation switch cabinet | |
| KR101315437B1 (en) | Gas insulated switchgear | |
| CN212303525U (en) | GIS is with keeping apart and withstand voltage equipment | |
| CN204967106U (en) | Cubical switchboard and circuit breaker | |
| CN217769264U (en) | Gas-insulated metal-enclosed switchgear | |
| CN101013800A (en) | Gas-insulated switchgear assembly | |
| CN109950825A (en) | A kind of Cubicle Gas-Insulated Switchgear of gas tank structure up and down | |
| CN201797234U (en) | Small-sized vacuum ring main unit | |
| CN209748042U (en) | Gas-insulated metal-enclosed switchgear with upper and lower gas box structures | |
| CN202957511U (en) | Circuit breaker cabinet of solid insulating annular network | |
| CN105552770A (en) | Connection body between high-voltage sleeve pipe of transformer and gas insulated switchgear (GIS) device | |
| CN110768109A (en) | Detachable isolated fracture bus | |
| CN201319346Y (en) | SF* composite type high-voltage combined electric appliance | |
| CN106019022B (en) | Cover plate test device for connecting gas chamber between oil-gas type transformer and GIS and operation method | |
| CN210379998U (en) | Detachable fracture device for split-phase main bus of gas insulated metal-enclosed switchgear |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20231024 Granted publication date: 20210105 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20240117 Granted publication date: 20210105 |
|
| PD01 | Discharge of preservation of patent |