CN107332151A - A kind of GIS device - Google Patents
A kind of GIS device Download PDFInfo
- Publication number
- CN107332151A CN107332151A CN201710575732.7A CN201710575732A CN107332151A CN 107332151 A CN107332151 A CN 107332151A CN 201710575732 A CN201710575732 A CN 201710575732A CN 107332151 A CN107332151 A CN 107332151A
- Authority
- CN
- China
- Prior art keywords
- phase
- flange
- electric connector
- gis device
- contact tube
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
- H01R11/05—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations having different types of direct connections
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0352—Gas-insulated switchgear for three phase switchgear
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0358—Connections to in or out conductors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The present invention provides a kind of GIS device, to reduce the complexity in three-phase non-segregated bus cylinder.GIS device includes three-phase non-segregated bus cylinder, it is axially spaced on three-phase non-segregated bus cylinder to be provided with three single-phase accessory mounting apertures, single-phase annex mounting flange is equipped with each single-phase accessory mounting apertures, each single-phase annex mounting flange is provided with disc insulator, the electric connector being connected with axial conductor conduction is additionally provided with three-phase non-segregated bus cylinder, the single-phase annex mounting flange is the plate-type flange without neck, and the protruding end end face of disc insulator is provided with described electric connector.The GIS device of the present invention, it is not necessary to set supports insulative to carry out support shaft conductor 801 in three-phase non-segregated bus cylinder, reduce the complexity of three-phase non-segregated bus.
Description
Technical field
The present invention relates to a kind of GIS device.
Background technology
GIS device is the abbreviation of Cubicle Gas-Insulated Switchgear, and the main bus-bar of GIS device is to realize that electric energy is inputted
With the crucial functional unit of output, GIS main bus-bars of the prior art are generally the form of three-phase combined type, GIS main bus-bars and with master
The component that the structures such as bus connected disconnecting switch, breaker are collectively constituted is referred to as interval.If Fig. 1 to Fig. 2 is in the prior art
GIS device schematic diagram, main bus-bar include three-phase non-segregated bus cylinder 1, along axis interval on three-phase non-segregated bus cylinder 1
It is provided with three single-phase accessory mounting apertures（It is not drawn into figure）, single-phase annex is respectively fixed with three single-phase accessory mounting apertures
In mounting flange 2, the present embodiment, single-phase annex mounting flange 2 is the flange with neck, is passed through on single-phase annex mounting flange 2
Bolt is provided with disc insulator 3, and one end of the evagination of disc insulator is set towards the outside of three-phase non-segregated bus cylinder 1,
Electric connector transition conductor 4 is installed, the inner of electric connector transition conductor is connected with phase conductor 5, is electrically connected on disc insulator 3
Junctor transition conductor and phase conductor have collectively constituted electric connector, the lower end of electric connector are provided with contact base 6, in contact base
Compartment conductor is inside provided with, in the prior art, three compartment conductors are distributed in isosceles triangle.In the prior art, it is electrically connected
The presence of junctor transition conductor 4 be because electric connector and three-phase non-segregated bus cylinder it is closer to the distance, in order to optimize electric field knot
Structure and set.
In the prior art, compartment conductor（I.e. axial conductor）Between phase spacing it is smaller, produce larger electric power, and
Easily cause heat to gather, heat dispersion is bad, meanwhile, electric connector is longer, and disc insulator intersects place with electric connector
The torque born is larger, and stress condition is harsh, individually can not fix electric connector using disc insulator and compartment is led
Body, therefore, in order to overcome electrodynamic influence on three-phase non-segregated bus cylinder inboard wall pillar insulator, disc type must be set exhausted
Supports insulative such as edge carrys out fixed conductor.Meanwhile, in Fig. 1 it can be seen from compartment conductor led by compartment conductor transition
The connection conductor 11 of body 7 and the transition conductor at the two neighboring interval of connection, the fixed transition conductor of the support of pillar insulator 8.
It is provided with compartment conductor transition conductor 7 by the plug screw 10 that insulate in touch base 9, touch base 9 and connection conductor 11 is installed.
From the above mentioned, in the three-phase non-segregated bus cylinder of GIS device of the prior art, more supports insulative is employed
Son and transition conductor, cause structure extremely complex, element kind and quantity is more, cost height, and efficiency of assembling is low, poor reliability.
The content of the invention
It is an object of the invention to provide a kind of GIS device, to reduce the complexity in three-phase non-segregated bus cylinder.
To achieve the above object, the technical scheme of GIS device of the present invention is：A kind of GIS device, including three-phase non-segregated bus
It is axially spaced on cylinder, three-phase non-segregated bus cylinder to be provided with three single-phase accessory mounting apertures, each single-phase accessory mounting apertures
Single-phase annex mounting flange is equipped with, each single-phase annex mounting flange is provided with disc insulator, three-phase non-segregated bus cylinder
The electric connector being connected with axial conductor conduction is additionally provided with, the single-phase annex mounting flange is the plate-type flange without neck, benzvalene form
The protruding end end face of insulator is provided with described electric connector.
The GIS device that the present invention is provided, single-phase annex mounting flange is the plate-type flange without neck, reduces single-phase annex peace
The distance between flange face and three-phase non-segregated bus body centre of flange are filled, the length of electric connector is reduced, meanwhile, it is electrically connected
One end of junctor is arranged on disc insulator protruding end end face, further reduces the length of electric connector.With prior art
Compare, when electric connector is by electrodynamic action, because the length of electric connector reduces, disc insulator and electric connector knot
Intensity at conjunction can overcome electric power to the moment loading of the junction, it is not necessary to branch is set in three-phase non-segregated bus cylinder
Support insulator carrys out support shaft conductor 801, reduces the complexity of three-phase non-segregated bus.
Further, electric connector is that the length direction along electric connector is provided with integral type structure, the electric connector
The electric connector insertion heat emission hole of extension.
The heat that electric connector insertion heat emission hole can produce electric connector is discharged in time, while also mitigating electricity
The weight of connector.
Further, one end of the remote disc insulator of electric connector be provided with contact base, the axial conductor be located at
It is provided with what is extended along compartment contact tube length direction in the compartment contact tube of integral type in contact base, compartment contact tube
Contact tube insertion heat emission hole.
Further, one end end in contact base is located on the compartment contact tube to pass through provided with the contact tube is closed
The insulating barrier in logical heat emission hole aperture.
Insulating barrier can realize the electrical connection of the conductive tube end of compartment and electric connector, make to produce between the two
Raw contact overheat.
Further, clamping of the outer rim of the insulating barrier provided with annular is raised, with insulation in compartment contact tube
The inwall in the corresponding contact tube insertion heat emission hole aperture of dividing plate is provided with the clamping groove being caught in for clamping projection adaptation.
Further, the single-phase annex mounting flange is provided with the tapped blind hole for being used for installing annex.
Further, three-phase non-segregated bus cylinder includes the cylinder body provided with the single-phase accessory mounting apertures, cylinder sheet
Axially corresponding position is provided with point inspection hole with each single-phase accessory mounting apertures on body, and each point inspection hole, which is provided with, to be used to install cover plate
Cover plate mounting flange, cover plate mounting flange is the plate-type flange without neck.
Further, the plate-type flange of single-phase accessory mounting apertures and point are repaiied on the plate-type flange in hole close to cylinder body central
End face be attached on the outer peripheral face of cylinder body, single-phase accessory mounting apertures, point repair the aperture in hole and are all higher than the interior of plate-type flange
Footpath, hole wall, the point of single-phase accessory mounting apertures repair the hole wall in hole by circular arc angle welding and the end face weld of plate-type flange
Connect connected.
Further, on single-phase annex mounting flange side corresponding with adjacent single-phase annex mounting flange provided with cutting
Side.
Further, the axial two ends of cylinder body are provided with abutted flange, the single-phase annex Method for Installation positioned at axial two ends
Side on orchid in abutted flange also is provided with trimming.
Brief description of the drawings
Fig. 1 is three-phase non-segregated bus cylinder in GIS device in the prior art and electric connector, the assembling of compartment electric conductor
Schematic diagram；
Fig. 2 is Fig. 1 left view；
Fig. 3 is that the assembling of three-phase non-segregated bus cylinder and electric connector, compartment contact tube in GIS device embodiment of the present invention is shown
It is intended to；
Fig. 4 is the arrangement schematic diagram of three-phase electric connector in GIS device embodiment of the present invention；
Fig. 5 is the schematic diagram of three-phase non-segregated bus cylinder in GIS device embodiment of the present invention；
Fig. 6 is Fig. 5 top view；
Fig. 7 is Fig. 5 Section A-A schematic diagram；
Fig. 8 is the assembling schematic diagram of single-phase annex mounting flange and disc insulator in GIS device embodiment of the present invention；
Fig. 9 is that B is electrically connected the schematic diagram of body in GIS device embodiment of the present invention；
Figure 10 is the sectional view of Fig. 9 left view；
Figure 11 is A in GIS device embodiment of the present invention（C）Be electrically connected the schematic diagram of body；
Figure 12 is the sectional view of Figure 11 top view；
Figure 13 is the sectional view of GIS device embodiment intermediate compartment contact tube of the present invention；
Figure 14 is the enlarged drawing at A in Figure 13；
Figure 15 is the schematic diagram of insulating barrier in GIS device embodiment of the present invention.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment of the GIS device of the present invention, as shown in Fig. 3 to Figure 15, GIS device includes main bus-bar, main bus-bar
The component that the annexes such as disconnecting switch, the breaker being connected with main bus-bar are collectively constituted is referred to as between interval, two neighboring interval
It is connected by compartment contact tube.
Main bus-bar includes three-phase non-segregated bus cylinder, and three-phase non-segregated bus cylinder is included on cylinder body 1, cylinder body 1
It is axially spaced to offer three single-phase accessory mounting apertures, single-phase annex mounting flange 2 is provided with each single-phase accessory mounting apertures,
Abutted flange 3, the docking for adjacent three-phase non-segregated bus cylinder are provided with the axial two ends of cylinder body.In the present embodiment,
Single-phase annex mounting flange 2 is the plate-type flange without neck, can reduce the distance between flange face and cylinder body central.It is single-phase
Annex mounting flange 2 be for install disc insulator and with the disconnecting switch in same interval, the isostructural phase of breaker
Even.As shown in figure 3, bolt is provided with disc insulator 4 on each single-phase annex mounting flange 2, wherein, in disc insulator 4
One end of evagination is centrally disposed towards cylinder body, and disc insulator 4 is provided with electric connector, the present embodiment, electrical connection
Body is integral type structure.As shown in figure 3, the quantity of electric connector is three, including vertical electric connector 6（I.e. B is electrically connected
Body）With two electric connectors 5 for having certain crooked radian（That is A phases and C is electrically connected body）, the remote benzvalene form of three electric connectors
The projection of one end of insulator in the axial direction is in the isosceles triangle of approximate equilateral triangle.
In the present invention, by using the single-phase annex mounting flange without neck and one end of disc insulator outwardly convex inwardly
Set, the length of electric connector is reduced jointly, when electric connector is by electrodynamic effect, reduce to electric connector and basin
The torque of formula insulator intersection, electrodynamic influence can just be overcome by relying solely on disc insulator.It can be seen by Fig. 3 simultaneously
Go out, after plate-type flange and the raised disc insulator set inwardly, the lengthening distance of electric connector and cylinder body is not allowed
The effect of electric field easily is produced to cylinder body and loop is formed, therefore, electric connector can use integral structure.With existing skill
Art is compared, and is eliminated supports insulative and transition conductor, is made the structure in three-phase non-segregated bus cylinder simpler, it is easy to plus
Work.
The electric connector insertion heat emission hole 12 extended along electric connector length direction, one are offered in the inside of electric connector
Aspect, the heat that electric connector insertion heat emission hole 12 can produce electric connector is discharged in time, on the other hand, can be subtracted
The weight of light electric connector, further reduces the moment loading to electric connector and disc insulator intersection.Because conductor is logical
The kelvin effect of stream, conductor center opens up the electric conductivity that insertion heat emission hole does not interfere with electric connector.
It is provided with contact base 7, contact base 7 and is touched provided with spring in one end end of the remote disc insulator of electric connector
Refer to.The contact base for connecting two neighboring interval or the compartment contact tube 9 for connecing power supply are provided with contact base.It can be seen by Figure 13
Go out, compartment contact tube 9 be integral type structure, with prior art intermediate compartment contact tube by transition conductor and transition conductor company
Connect conductor composition to compare, the joint face quantity eliminated in transition conductor, conductor reduces, and resistance is significantly reduced, and through-current capability is obtained
Lifting is arrived.Meanwhile, compartment contact tube is the structure of tubulose, and centre offers what is extended along compartment contact tube length direction
Insertion heat emission hole, on the one hand, insertion heat emission hole can discharge the heat of compartment contact tube in time；On the other hand,
The weight of compartment contact tube can be mitigated, further reduced to disc insulator and electric connector intersection torque.By adopting
With the structure of integral hollow pipe, making the heat dispersion of three-phase non-segregated bus cylinder is improved, and resistance reduces, and three-phase combined type is female
The through-current capability of spool body is improved.
In the present embodiment, insulation is installed at the insertion heat emission hole aperture of one end of contact base in compartment contact tube
Dividing plate 14, insulating barrier can realize the electrical isolation between the end of compartment contact tube 9 and electric connector, it is to avoid both occur
It is conductive and cause contact to overheat.Insulating barrier 14 includes the plug in closure compartment contact tube insertion heat emission hole aperture, wherein stifled
The insulating barrier projection 15 of circular arc is provided with the outer rim of head, meanwhile, the inwall in compartment contact tube insertion heat emission hole aperture
On offer the compartment contact tube groove 13 being adapted with insulating barrier projection, compartment contact tube groove 13 is also circular arc
Groove.During installation, directly by insulating barrier closure in one end of compartment contact tube by way of clamping.This implementation
In example, the material of insulating barrier is polytetrafluoroethylene (PTFE), in other embodiments, and the material of insulating barrier can be other insulation
Material.
In the present embodiment, three-phase compartment contact tube arranges that waist is long using the isosceles triangle of nearly equilateral triangle
324mm, base 372mm, improve space availability ratio of the three-phase compartment contact tube in inner barrel, and increase three-phase compartment is led
Spacing between fulgurite, so as to directly reduce the electric power between three-phase compartment contact tube（Electric power is led with three-phase compartment
The distance between fulgurite is inversely）.
In the present embodiment, single-phase annex mounting flange 2 or the phase of abutted flange 3 on single-phase annex mounting flange 2 with being connected
Trimming 11 is offered on corresponding side, welding space is added, cylinder body 1 and single-phase annex mounting flange 2 can be realized
Butt welding.Compared with the prior art must be using the processing mode cast, quality be easily controlled, high yield rate.
Cylinder body 1 and single-phase accessory mounting apertures same axial positions provided with a point inspection hole, can be seen by Fig. 3
Go out, point inspection hole to open up position corresponding with the intersection of the electric connector and compartment contact tube of each phase, can be for operator
Member is overhauled and aided in install.Cover plate mounting flange 10 is provided with an inspection hole, cover plate mounting flange is used for mount point and examines hole
In cover plate 8, the present embodiment, cover plate mounting flange is also the plate-type flange without neck, so as to reduce three-phase non-segregated bus cylinder
Entire outer diameter size, meet the design requirement of miniaturization GIS equipment.The internal diameter of plate-type flange is more than it can be seen from Fig. 7
Point inspection hole and the aperture of single-phase accessory mounting apertures, during assembling, by circular arc weld seam 16 by the close cylinder body of plate-type flange
End face with point inspection hole and single-phase accessory mounting apertures hole wall weld together, prevent electric field distortion.
In the present embodiment, insulating barrier projection is that clamping is raised, and compartment contact tube groove is clamping groove.
Claims (10)
1. axially spaced on a kind of GIS device, including three-phase non-segregated bus cylinder, three-phase non-segregated bus cylinder be provided with three
It is equipped with single-phase accessory mounting apertures, each single-phase accessory mounting apertures on single-phase annex mounting flange, each single-phase annex mounting flange
It is equipped with the electric connector for being additionally provided with and being connected with axial conductor conduction in disc insulator, three-phase non-segregated bus cylinder, its feature
It is：The single-phase annex mounting flange is the plate-type flange without neck, and one end of the electric connector is located at disc insulator
On protruding end end face.
2. GIS device according to claim 1, it is characterised in that：Electric connector is integral type structure, the electric connector
It is interior to be provided with the electric connector insertion heat emission hole extended along the length direction of electric connector.
3. GIS device according to claim 2, it is characterised in that：One end of the remote disc insulator of electric connector is set
There is contact base, the axial conductor is to be provided with the compartment contact tube of the integral type in contact base, compartment contact tube
The contact tube insertion heat emission hole extended along compartment contact tube length direction.
4. GIS device according to claim 3, it is characterised in that：It is located on the compartment contact tube in contact base
One end end is provided with the insulating barrier for closing the contact tube insertion heat emission hole aperture.
5. GIS device according to claim 4, it is characterised in that：Card of the outer rim of the insulating barrier provided with annular
The inwall for connecing contact tube insertion heat emission hole aperture corresponding with insulating barrier in projection, compartment contact tube is provided with raised for clamping
It is adapted to the clamping groove being caught in.
6. GIS device according to claim 1, it is characterised in that：The single-phase annex mounting flange, which is provided with, to be used to install
The tapped blind hole of annex.
7. the GIS device according to claim 1 ~ 6 any one, it is characterised in that：Three-phase non-segregated bus cylinder includes setting
Have on the cylinder body of the single-phase accessory mounting apertures, cylinder body and to be set with each single-phase accessory mounting apertures axially corresponding position
Hole is examined a little, and each point inspection hole is provided with the cover plate mounting flange for being used for installing cover plate, and cover plate mounting flange is the board-like method without neck
It is blue.
8. GIS device according to claim 7, it is characterised in that：The plate-type flange and point of single-phase accessory mounting apertures repair hole
Plate-type flange on be attached at close to the end face of cylinder body central on the outer peripheral face of cylinder body, single-phase accessory mounting apertures, point
The aperture for repairing hole is all higher than the internal diameter of plate-type flange, and hole wall, the point of single-phase accessory mounting apertures repair the hole wall in hole by circular arc
The end face of angle welding and plate-type flange is weldingly connected.
9. GIS device according to claim 7, it is characterised in that：On single-phase annex mounting flange with it is adjacent single-phase attached
The corresponding side of part mounting flange is provided with trimming.
10. GIS device according to claim 9, it is characterised in that：The axial two ends of cylinder body are provided with abutted flange,
On the single-phase annex mounting flange at axial two ends trimming also is provided with the side of abutted flange.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710575732.7A CN107332151A (en) | 2017-07-14 | 2017-07-14 | A kind of GIS device |
| PCT/CN2017/111297 WO2019010890A1 (en) | 2017-07-14 | 2017-11-16 | Gis device and three-phase-in-one-box busbar cylinder thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710575732.7A CN107332151A (en) | 2017-07-14 | 2017-07-14 | A kind of GIS device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107332151A true CN107332151A (en) | 2017-11-07 |
Family
ID=60227147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710575732.7A Pending CN107332151A (en) | 2017-07-14 | 2017-07-14 | A kind of GIS device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107332151A (en) |
| WO (1) | WO2019010890A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019010890A1 (en) * | 2017-07-14 | 2019-01-17 | 河南平高电气股份有限公司 | Gis device and three-phase-in-one-box busbar cylinder thereof |
| CN109638702A (en) * | 2018-12-27 | 2019-04-16 | 河南平高电气股份有限公司 | A kind of contact base and the GIS using the contact base |
| CN109787094A (en) * | 2019-03-22 | 2019-05-21 | 上海思源高压开关有限公司 | A kind of GIS device of high current three-phase non-segregated bus structure |
| CN110047692A (en) * | 2019-04-11 | 2019-07-23 | 平高集团有限公司 | The electric switch and its middle phase conductor component of three-phase combined type arrangement |
| CN110165622A (en) * | 2019-05-13 | 2019-08-23 | 平高集团有限公司 | Pipeline bus and its removable bus unit |
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| CN87104011A (en) * | 1987-05-30 | 1988-03-30 | 福州第一化工厂 | A kind of improved electrolytic equipment for chlorate |
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| CN202678684U (en) * | 2012-07-23 | 2013-01-16 | 郝相臣 | Hollow core cable capable of dissipating heat |
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| CN201393015Y (en) * | 2009-02-23 | 2010-01-27 | 维依埃龙源电工研究院有限公司 | Support structure for three-phase conducting pole |
| CN202353015U (en) * | 2011-11-08 | 2012-07-25 | 中国西电电气股份有限公司 | Three-phase common main bus for gas-insulated and metal-enclosed switchgear |
| JP2014030282A (en) * | 2012-07-31 | 2014-02-13 | Hitachi Ltd | Three-phase gas-insulated bus |
| CN107332180A (en) * | 2017-07-14 | 2017-11-07 | 河南平高电气股份有限公司 | A kind of GIS device and its three-phase non-segregated bus cylinder |
| CN107332151A (en) * | 2017-07-14 | 2017-11-07 | 河南平高电气股份有限公司 | A kind of GIS device |
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- 2017-07-14 CN CN201710575732.7A patent/CN107332151A/en active Pending
- 2017-11-16 WO PCT/CN2017/111297 patent/WO2019010890A1/en active Application Filing
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| CN87104011A (en) * | 1987-05-30 | 1988-03-30 | 福州第一化工厂 | A kind of improved electrolytic equipment for chlorate |
| WO2001067573A1 (en) * | 2000-03-07 | 2001-09-13 | Siemens Aktiengesellschaft | Three-phase high voltage switchgear with single-phase-encapsulated modules |
| CN202172242U (en) * | 2011-07-25 | 2012-03-21 | 中国西电电气股份有限公司 | Three-phase enclosed main bus structure |
| CN202678684U (en) * | 2012-07-23 | 2013-01-16 | 郝相臣 | Hollow core cable capable of dissipating heat |
| CN104036937A (en) * | 2014-06-27 | 2014-09-10 | 江苏海达电气有限公司 | Enhanced-type current transformer shell |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019010890A1 (en) * | 2017-07-14 | 2019-01-17 | 河南平高电气股份有限公司 | Gis device and three-phase-in-one-box busbar cylinder thereof |
| CN109638702A (en) * | 2018-12-27 | 2019-04-16 | 河南平高电气股份有限公司 | A kind of contact base and the GIS using the contact base |
| CN109787094A (en) * | 2019-03-22 | 2019-05-21 | 上海思源高压开关有限公司 | A kind of GIS device of high current three-phase non-segregated bus structure |
| CN110047692A (en) * | 2019-04-11 | 2019-07-23 | 平高集团有限公司 | The electric switch and its middle phase conductor component of three-phase combined type arrangement |
| CN110165622A (en) * | 2019-05-13 | 2019-08-23 | 平高集团有限公司 | Pipeline bus and its removable bus unit |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019010890A1 (en) | 2019-01-17 |
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Application publication date: 20171107 |