CN108604784A - Encapsulating housing for gas-insulated switchgear is arranged - Google Patents
Encapsulating housing for gas-insulated switchgear is arranged Download PDFInfo
- Publication number
- CN108604784A CN108604784A CN201780010697.2A CN201780010697A CN108604784A CN 108604784 A CN108604784 A CN 108604784A CN 201780010697 A CN201780010697 A CN 201780010697A CN 108604784 A CN108604784 A CN 108604784A
- Authority
- CN
- China
- Prior art keywords
- package module
- cross members
- busbar
- branch
- switchgear
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B5/00—Non-enclosed substations; Substations with enclosed and non-enclosed equipment
- H02B5/06—Non-enclosed substations; Substations with enclosed and non-enclosed equipment gas-insulated
-
- 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
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/22—Layouts for duplicate bus-bar selection
Abstract
A kind of switchgear has busbar package module (1,2,15,15 ', 15 ", 16,16 ', 16 ").Busbar package module (1,2,15,15 ', 15 ", 16,16 ', 16 ") is used for multiple panels of connecting valve equipment.Herein, busbar package module (1,2,15,15 ', 15 ", 16,16 ', 16 ") extend substantially in the cross machine direction, wherein, busbar package module (1,2,15,15 ', 15 ", 16,16 ', 16 ") the main package module (4,4a by substantially extending along plotted, 9,9a) it carries.In main package module (4,4a, 9,9a) on branch is disposed in shell side, the branch is not only substantially perpendicular to main package module (4,4a, 9,9a) vertical pivot orientation, but also it is substantially perpendicular to transversal orientation, and busbar package module (1,2,15,15 ', 15 ", 16,16 ', 16 ") is supported on the branch road.
Description
The present invention relates to a kind of switchgears, have busbar package module, the busbar package module is for connecting valve
Multiple panels of equipment extend substantially in the cross machine direction, and the main package module by substantially extending along plotted carries.
This switchgear is known for example from 2012/065630 Al of International Publication WO.Here, switchgear is equipped with mother
Line package module is used for multiple panels of connecting valve equipment.Here, busbar package module extends transversely.In order to prop up
Busbar package module is held, it is specified that using the main package module substantially extended along plotted.In order to make multiple busbar Encapsulation Moulds
Block is arranged stepwise each other, and housing unit that different type is bent, substantially T shapes is arranged.Additionally, T shapes
The attachment that housing unit is bent equipped with L-shaped, to realize deflection.This make must use T shapes housing unit of different shapes,
So that busbar package module is oriented relative to each other.
Therefore the technical problem to be solved by the present invention is to provide a kind of switchgear, utilize the structure letter for reducing quantity
Single module or component realizes the high changeability in switchgear structure.
The technical problem is solved according to the present invention by the switchgear of aforementioned type, wherein providing, in the primary seal
It is disposed with branch in shell side on die-filling piece, the vertical pivot that the branch is not only substantially perpendicular to main package module orients, but also
It is also essentially perpendicular to transversal orientation, and busbar package module is supported on the branch road.
Switchgear is for establishing or disconnecting on-state, wherein multiple panels are via at least one busbar Encapsulation Moulds
Block is connected to each other or can be electrically connected.Panel serves as the entrance and exit of busbar package module so that is sealed via busbar
Die-filling piece can make different panels electrically connected to each other or electrical disconnection each other.Preferably, panel can be according to mark
The type of note extends substantially transversely to busbar package module (or relative to transverse direction) arrangement.The typical panel of switchgear is usual
With the power switch with breaker unit, wherein power switch is connect with the first connecting side with busbar package module,
And it is connect with the second connecting side for example with connecting wire, connection cables, generator etc..In order to realize different switch shapes
State can specify that the second connecting side in power switch is additionally arranged disconnect switch equipment and/or earthing switch equipment, so as to
Connecting wire connected in the second connecting side etc. can be disconnected or is grounded.Similarly, it can also provide in power switch
The first connecting side on arrangement disconnect switch or earthing switch, so as to realize connection busbar package module electrical isolation or
Person is grounded.Two at least one, outstanding connecting side can be built by main package module.Main package module is preferably arranged in distribution
In plate/on.Main package module can especially be arranged and (especially be supported) on power switch, and the encapsulation of power switch is especially arranged in
On shell.
In order to be monitored to panel, measurement transformer in addition can be arranged in panel.Here, measuring with mutual
Sensor for example can be current transformer or voltage transformer.Preferably, voltage transformer should be arranged in the of power switch
Two connecting sides, so as to the current potential of voltage transformer measuring connecting wire, being connected etc..In addition, current transformer is not
The first connecting side that can be only arranged in power switch can also be arranged in the second connecting side.Preferably, measurement transformer can
Be integrated on the measurement transformer encapsulating housing of panel/in, be used for power switch and busbar package module or
It is connect with connecting wire etc..Measurement transformer encapsulating housing has encapsulating housing herein.Measurement transformer encapsulating housing can
To be a part for main package module.
Panel has at least one, especially multiple encapsulating housings.It can couple mechanically to each otherly respectively.
Encapsulating housing is in the internal phase conductor surrounded for guiding electric current.Phase conductor can pass through the exhausted of encapsulating housing
Edge arrangement keeps interval and electric insulation.Phase conductor can be hermetically packed by encapsulating housing herein so that encapsulating housing
Inside can fill the medium of electric insulation.
Main package module is used as pillar, so that compartment of terrain keeps busbar modules.For the primary seal substantially extended along vertical pivot
Die-filling piece, it can advantageously use substantially cylindrical structure, especially encapsulating housing.For example, a part for main package module can
To be made of current transformer or measurement transformer encapsulating housing.Main package module can vertically prolong substantially tubular shapely herein
It stretches, wherein the branch for supporting busbar modules can be arranged in main package module in shell side.Main package module can have
There is multiple, the especially encapsulating housing of flanged joint each other.Branch herein means perpendicular to vertical pivot and perpendicular to the orientation of horizontal axis
Be that the phase conductor arranged in the inside of encapsulating housing or branch passes through direction.Therefore, the phase of busbar package module
Conductor extends substantially in the cross machine direction, and relatively, the part for being located at the die-filling phase conductor in the block of primary seal substantially extends along vertical pivot.
Correspondingly, the branch of main package module refers to phase in shell side perpendicular to lateral and substantially perpendicular to vertical pivot orientation
Trend of the conductor in branch.The position for example can correspond to be formed the flange of branch or the flange axis of flange connecting pipe.
With such as screwed flange, in the structure of the switchgear of the flanges such as welded flange, clamping flange, encapsulating housing
With flange, so as to be connected to each other.Package module has at least one encapsulating housing.Thus, for example using welding
In the case of blue or screwed flange, Flange Plane substantially transversely, is especially oriented substantially perpendicular to flange axis.
This, passes through the phase conductor of flange substantially to extend along the direction of flange axis.
In addition, using branch shell side position can also from main package module protrusion one or more branch, so as to
Support busbar package module.Branch can for example be implemented in the form of flange or flange connecting pipe.Preferably, two relative orientations
And the branch that is aligned herein can also be arranged on main package module, so as to support the (outstanding of main package module both sides
Its shell side) such as the first and second busbar package modules.Region before (relative to the vertical pivot) of main package module can
For arrangement other assemblies, such as earthing switch, measurement transformer etc..Known complexity is curved in compared with the existing technology
Bent module can ensure that at least equivalent of the structure about switchgear can now with relatively simple modules/components
Denaturation.When necessary, it might even be possible to identical component is used, it is possible thereby to reduce the logistics cost for building switchgear.
In addition advantageous to implement it can be stated that the cross members of the branch die-filling piece of primary seal of routing are constituted.
Cross members are the components for having encapsulating housing.Cross members usually have the branch of arranged crosswise herein, especially
Flange connecting pipe, they are preferably located in a plane and orient mutual vertically to each other, and two of which is relative to each other
Flange respectively preferably orients in alignment.It can especially be filled in alignment oppositely in primary seal in shell side by cross members
The first branch and the second branch are formed in module.In addition, in alignment volume can be arranged in front side in the vertical pivot with main package module
Outer connection possibility, to arrange there such as earthing switch, measurement transformer and especially there with its method
Orchid connection.
In addition it can advantageously provide for, the busbar package module is supported in the cross members.
Cross members have multiple branches and flanged joint so that can alternatively be arranged in the mother supported in cross members
Line package module.Cross members serve as a part for main package module herein.Busbar package module can support at least partly
In cross members.
In addition it can advantageously provide for, the busbar package module has other cross members in intermediate arrangement indirectly
In the case of be supported on the main package module branch road.
In addition to direct method orchid connects busbar package module on the branch road of main package module, may also dictate that, indirectly by
At least one other cross members of intermediate arrangement realize the bearing of busbar package module.By directly or indirectly propping up
Road arranges that other cross members can change the position of busbar package module.It therefore for example can be by using other friendship
Fork component is aligned bearing busbar package module in compartment of terrain with branch.But can also provide, it is opposite using other cross members
Branch lateral shift is orientated ground arrangement busbar package module.In particular, in lateral shift, switch can be inserted in busbar package module
In the wedge shape space of equipment being not used by.
In addition, by using other cross members, in addition to can also with the position of lateral shift busbar package module
To it into horizontal deflection, method is, for example, the branch of the cross members of main package module and other cross members branch example
Such as extend in different planes.
In addition, the space provided inside cross members can be used by using other cross members, it is electrical to accommodate
Switchgear.This is especially advantageous using passive type busbar package module, wherein busbar package module or
Its encapsulating housing itself is without switchgear.
In addition it can advantageously provide for, the section of cross members composition busbar package module in addition.
Independently with the positions of other cross members, cross members in addition itself can form busbar package module
Section.That is, cross members form a part for the encapsulating housing of busbar package module.Other cross members are busbares
A part for the parent track (Sammelschienenzuges) of package module is relatively connecting other intersection by intermediate
In the case that component supports busbar package module, which only realizes extension/position of the branch of main package module
The function of shifting.
Other cross members are concentrated in busbar package module, are only used for changing branch so as to abandon use
Line, the cross members for extending to busbar package module.More precisely, the company of busbar package module and the branch of main package module
Being connected on this can realize by identical cross members.Other cross members are a parts for busbar package module.It will open
It closes in the case that equipment is arranged in package assembling and (is arranged in the encapsulating housing of busbar package module) and forms so-called master
Dynamic formula busbar package module.
In addition it is advantageous implement it can be stated that branch that the staggered form of the cross members of the main package module is holded up and
The branch that the staggered form of other cross members is holded up is arranged substantially at respectively in a plane, in other cross members
It is mounted with busbar package module.
The branch (such as flange, flange connecting pipe) that the staggered form of cross members is holded up is essentially available for handing over along basic each other
The axis of fork connects cross members.If the Zhi Luji of the branch of the cross members of main package module and other cross members
In sheet in one plane, then can realize in one plane busbar package module to main package module guiding, turn to
And connection.When narrow space, this is particularly advantageous.In particular, using be arranged a plurality of phase conductor it is common (multiphase/
It is multistage) the busbar package module of encapsulation when, it is separately and continuously substantially consistent for the main package module of the same structure of multiphase
Ground with it is laterally aligned.Therefore, similar connection possibility can be established in panel in a simple form, to realize from more
Mutually the busbar package module of encapsulation is converted to the main package module of one/multiple single-phase encapsulation.Correspondingly, it is right each other to use
The similar module oriented together.
In addition it is advantageous implement it can be stated that the cross members of the main package module staggered form horizontal (or lie low or
Accumbency) branch and the branches of staggered form horizontal of other cross members extend in one plane respectively, wherein this two
A plane is intersected each other, is especially mutually perpendicular to, and the other cross members are the sections of busbar package module.
The branch of cross members extends in one plane respectively, by using multiple cross members (plurality of intersection
Two planes of component intersect each other) it can so that cross members couple and will be as the section of busbar package module each other
Other cross members are integrated in the position of plane being substantially perpendicular to each other.The branch of other cross members can be with as a result,
Form a part for the encapsulating housing of busbar package module, wherein its flange axis especially can be oriented transversely so that inside
The phase conductor of portion's arrangement transversely passes through cross members.When busbar package module has the envelope of single-phase (monopole) of phase conductor
When dress, this position between cross members provides particular advantage so that from a phase inside busbar package module
Position conductor starts may be implemented the connection via other cross members to main package module.Further, it is also possible to implement along vertical pivot
The interval of multiple busbar package modules of the single-phase insulation of difference of direction setting.The main package module being transversely sequentially arranged can be with
Different busbar package modules is supported in different planes respectively, busbar package module preferably substantially prolongs in parallel with each other
It stretches.Branch for supporting package module can be arranged offset from each other along plotted in different main package modules.
In addition advantageous to implement it can be stated that the cross members have multiple flange connecting pipes, wherein at least one flange
It takes over different connecting pipe lengths.
There is cross members encapsulating housing, encapsulating housing to have multiple flange connecting pipes, can will intersect via flange connecting pipe
Component and other flange connecting pipe flanged joint.Flange connecting pipe is substantially radially arranged each other herein, wherein preferably answering
Provide the orthogonal position of each flange connecting pipe.Preferably, the flange connecting pipe of cross members is located in a plane so that
Preferably at least a pair of, especially multipair, especially two pairs of flange connecting pipes are in alignment with each other to be arranged and each alignment axle oppositely
Line is preferably intersected with each other.Preferably, a flange connecting pipe has different flanges long herein relative to other flange connecting pipes
Degree, thus preferably forms the symmetrical cross members along flange axis, but this is symmetrically only about by with different
The flange axis of the take over extension of connecting pipe length.
In addition advantageous to implement it can be stated that the cross members have the flange connecting pipe there are four arranged crosswise, wherein one
A flange connecting pipe has the connecting pipe length different relative to other flange connecting pipes.
The difference of the connecting pipe length of a flange connecting pipe in four flange connecting pipes, especially with respect to remaining, especially together
The extended length of the flange connecting pipe of sample length has the following advantages that：Pass through the flange connecting pipe basis of formation flange of different connecting pipe lengths
It takes over, the other three flange connecting pipe similarly extends since it.In addition, by using a flange relative to flange connecting pipe
Axis asymmetric structure, and this cross members of another flange axis symmetric construction relative to flange connecting pipe, lead to
It crosses selection and can implement different types of compensation or height change using the flange connecting pipe of different connecting pipe lengths.
In addition advantageous to implement it can be stated that the cross members have similar case outlines.
Use the similar cross members with similar case outlines, it is possible to reduce the quantity of different encapsulating housings.This
Outside especially using the cross members taken over different connecting pipe lengths, two cross members flanged joints are set
In the case of different connecting pipe lengths each flange connecting pipe different position relative to each other.Similar case outlines substantially with friendship
The interface defined by flange connecting pipe pitched on component is related.That is, even if the design of cross members itself has differences,
In the case of similar case outlines, the position of the interface formed by flange connecting pipe should also be kept.Therefore, even if cross members
Design it is different from each other in detail, similar case outlines can also be kept, thus cross members can each other modularly
It exchanges, and a kind of modular system can be formed.
In addition advantageous implementation is it can be stated that at least one of module (or encapsulating housing) fills electric insulation
Fluid.
It, can be with by filling at least one, especially multiple module/package modules of switchgear with the fluid of electric insulation
The electric insulation of phase conductor, such as busbar Encapsulation Moulds phase conductor section in the block, main package module are protected in inside modules
In phase conductor section or cross members inside phase conductor section.In the Fluid Sealing of modules or component
In design scheme, the volatilization of fluid can be prevented, when necessary, module or its encapsulating housing may be constructed such that pressure vessel,
To which fluid can also be filled under stress.Suitable fluid for example can be gas or liquid, wherein with fluorine ingredient
Fluid especially has been demonstrated to be advantageous herein because its in addition to good insulation characterisitic also with good arc extinguishing spy
Property, such as when disconnecting the electric arc caused by switching manipulation or failure.It can be used for example as fluorine-containing fluid lithium
Sulphur, fluorine nitrile or fluoro ketones or other fluorinated organic compounds.In addition to using fluorine-containing fluid that can also use for example based on nitrogen
Or the fluid of the alternative electric insulation of carbon dioxide or pure air etc., to ensure enough dielectric strengths.
In addition advantageous to implement it can be stated that arranging the contact spacing of switchgear inside cross members.
Cross members are inside it in addition to between arrangement phase conductor and the electric insulation also contact with switchgear
Away from.This switchgear is characterized in that, such as relatively-movable contact can disconnect or make contact spacing.It is this
Switchgear for example can interrupt or establish phase conductor.Further, it is also possible to prescribed switch equipment, such as be for security reasons
Phase conductor road applies preset current potential.In cross members/in can also arrange multiple switch equipment.
In addition advantageous implementation is it can be stated that the switchgear is disconnect switch.
Disconnect switch is the switchgear for disconnecting or connecting phase conductor road.Here, disconnect switch is designed to,
In currentless break-make.Therefore, disconnect switch can not break-make running current.Although in the case that currentless logical
It is disconnected, can also on the switchgear of disconnect switch form Discharge Phenomena.For example, by capacitive charging, electric discharge electricity
Stream can also flow through disconnect switch under no-current conditions, and switch electricity thus can be formed in the case where there is break distance
Arc.By may be arranged at the fluid of the electric insulation inside cross members, switching arc can be supported on this disconnect switch
Arc extinguishing.
In addition it can advantageously provide for, the switchgear is earthing switch.
The phase conductor that earthing switch is arranged in inside modules with being used to electric insulation applies ground connection electricity as needed
The switchgear of position.For example, if wanting circuit with high safety and preventing the unintentionally deficient electricity of phase conductor under any circumstance
Pressure connection, then this is necessary.Earthing switch is therefore equipped with the contact spacing that can connect phase conductor with earthing potential.
Here, the different embodiments of earthing switch can be provided, for example, so-called operation ground wire can be equipped with slow running
, relatively-movable contact, and faster contact is relatively fast, such as is recognizing fault condition or will send out
In the case of raw failure, the ground connection of phase conductor can be caused.
It is schematically depicted in the drawings simultaneously detailed description of the present invention embodiment below.
In the accompanying drawings：
Fig. 1 shows the transverse side view with the panel of so-called passive type busbar package module,
Fig. 2 shows the stereogram of the panel known to Fig. 1,
Fig. 3 shows the transverse side view with the panel of so-called active busbar package module,
Fig. 4 shows the stereogram of the panel known to Fig. 3,
Fig. 5,6,7,8,9,10,11,12 show the deformation side of the arrangement of the busbar modules of the panel known to Fig. 1
Case.
Figure 13 shows the details of active busbar package module,
Figure 14 shows the details of passive type busbar package module,
Figure 15 shows the alternative connector of main package module, and
Figure 16 shows the Alternative designs of the cross members with earthing switch, includes the flange with ground connection feasibility
The disconnect switch of connection.
Panel shown in Fig. 1 has the first passive type busbar package module 1 and the second passive type busbar package module
2.Passive type busbar package module 1,2 mainly has the encapsulating housing of tubulose respectively, wherein the tube body axis of encapsulating housing is basic
On be parallel to and be laterally extended.The tube body axis of the encapsulating housing of first and second passive type busbar package modules 1,2 substantially hangs down
Directly in the diagram plane of Fig. 1.In order to dispose two busbar package modules 1,2, connected in the encapsulating housing upper flange of power switch 3
First main package module 4.For this purpose, the encapsulating housing of power switch 3 equipped with corresponding flange connecting pipe, is equipped with the first master on it
Package module 4.Here, the flange connecting pipe of the encapsulating housing of power switch 3 so orients so that the first substantially tubular shape main casing
Module 4 is oriented along vertical pivot.Correspondingly, it is laterally substantially perpendicular to each other with vertical pivot, wherein the diagram that vertical pivot is located at Fig. 1 is flat
In face.First main package module 4 has the first current transformer 5 for switching current.By in the first current transformer 5
Between connect, cross members 6 are connect with the encapsulating housing 3 of power switch.Cross members 6 have first, second, and third and the
Four flange connecting pipe 7a, 7b, 7c, 7d.Here, first flange take over 7a is equipped with than remaining flange connecting pipe 7b, 7c, 7d bigger
Connecting pipe length.Flange connecting pipe 7a, 7b, 7c, 7d are at right angles to oriented each other respectively, and (its flange axis) substantially exists
(herein be diagram plane) extends in plane so that two flange connecting pipe 7a, 7c or 7b, 7d are axially aligned each other respectively
Ground orients.Flange connecting pipe 7a, 7b, 7c, 7d are respectively provided with the section of circular ring shape.By two flange connecting pipes 7b, 7c, in the first master
The branch of shell side is formed on package module 4, the branch has the flange axis of alignment, is not only substantially perpendicular to first
The vertical pivot of main package module 4, and substantially perpendicular to the transverse direction of passive type busbar package module 1,2.It is taken over larger
The flange connecting pipe 7a of length is aligned with the vertical pivot of the first main package module 4, backwards to the first 5 orientations of current transformer/arrangement.It is propping up
Flanged joint has other cross members 8a, 8b respectively for road.Other cross members 8a, 8b is substantially designed as structurally class
Be similar to the cross members 6 of the first main package module 4, wherein at least they case outlines it is consistent.Here, in other intersection
In component 8a, 8b using with lengthen connecting pipe length flange connecting pipe 7a, so as to respectively with the friendship in the first main package module 4
Pitch flange connecting pipe 7b, the 7d flanged joint as branch of component 6.It is possible thereby to using other cross members 8a, 8b its
Remaining flange connecting pipe, to carry the encapsulating housing of the first and second passive type busbar package modules 1,2.For this purpose, first and
The encapsulating housing of two passive type busbar package modules 1,2 is designed with the flange of corresponding shell side, to intersect group with other
Part 8a, 8b establish connection.
Other flange is arranged on the encapsulating housing of the first power switch 3, is connected with the second main package module on it
9.Here, the second main package module 9 be substantially designed as similar in construction to the first main package module 4 and substantially with its
It is parallel.That is, the second current transformer 10 is connect with the encapsulating housing of power switch 3, wherein in the second current transformer
Upper also flanged joint has cross members 6.Here, selecting position similar to the cross members on the first main package module 4 so that
Relative to similar flange connecting pipe 7b, 7c, 7d is constructed, the orientation of the flange connecting pipe 7a of lengthening is aligned with vertical pivot, backwards to the second electricity
Current transformer 10.Correspondingly, it is located at the shell of the branch and the first main package module 4 of the shell side on the second main package module 9
The branch of side is aligned.The cross members 6 of second main package module 9, flange connecting pipe towards the first main package module 4 are by nothing
Port lid is closed.The cross members 11 of overturning are disposed on the branch road that the opposite orientation of cross members 6 is aligned, wherein overturning
Cross members 11 by flange connecting pipe flanged joint on the branch road of the second main package module 9, the flange connecting pipe is relative to turning over
Remaining flange connecting pipe of the cross members 11 turned has the connecting pipe length increased.One can be formed by the connecting pipe length of increasing
A space can install electric switch equipment, such as disconnect switch and/or earthing switch in the space.It is filled with the second primary seal
In alignment, 12 flanged joint of Wiring module the cross members 11 of overturning to the branch of the shell side of module 9.On Wiring module 12
Also flanged joint has voltage transformer 13, reflects the voltage of the cable 14 connected by Wiring module 12.
In Fig. 1, in addition to can be module a part modules or component, it is further seen that be located at encapsulating shell
The trend of the phase conductor of the guiding electric current in internal portion.First and second passive type busbar package modules 1,2 are distinguished inside it
With three phase conductors so that the first and second passive type busbar package modules are the busbar envelope of multiphase (multistage) encapsulation respectively
Die-filling piece.It alternatively may further specify that, the first and/or second passive type busbar package module is embodied as monopole packedly
(single-phase) deformation scheme, to only arrange a phase conductor for guiding electric current respectively in the inside of encapsulating housing.
In the current situation, it sets out from the multistage insulation of the first and second busbar package modules 1,2, in other intersection group
The monopole insulation of each phase conductor is set inside part 8a, 8b, for connecting with the first main package module 4 and in addition passing through
Power switch 3 and the second connecting side.Respectively from one in the phase conductor of the first and second passive busbar package modules 1,2
It is a to set out, via the disconnect switch respectively in other cross members 8a, 8b may be implemented each phase conductor isolation or
Separate.In addition, the branch of phase conductor is arranged in the cross members 6 of the first main package module 4 so that the first and second busbares
The phase conductor of package module 1,2 can move towards electrical contact power switch 3 via other in the first current transformer 5
First connecting side.In addition, in the inside of cross members 6, it can also be by the first main package module 4 of disconnect switch device interrupt
Phase conductor in trend, so as to interrupt the first and second passive type busbar package modules 1,2 phase conductor branch.
In addition, the ground connection for the phase conductor section that may be implemented to detach in cross members 6 by disconnect switch by earthing switch.
Second current transformer 10 has phase conductor, phase conductor and the power switch 3 in encapsulating housing inside it
The second connecting side connection.Therefore, it may be implemented first or by the breaker unit of the power switch 3 in encapsulating housing
Between the phase conductor section guided in two current transformers 5,10 or in the main package module of the first or second 4,9 it is conductive even
What is connect connects or disconnects.In the cross members 6 of the second main package module 9, the phase conductor on the direction of Wiring module 12
Trend in earthing switch is set.Additionally, disconnect switch is set in cross members 11, is may be implemented whereby in Wiring module
The electrical isolation of the phase conductor guided in 12.In addition, arranging earthing switch in the cross members 11 of overturning, can incite somebody to action whereby
The phase conductor ground connection guided in Wiring module 12.The phase conductor in switchgear may be implemented via Wiring module 12
With the connection of the phase conductor of cable 14.
Fig. 2 shows the stereograms of the panel known to Fig. 1.It is clearly shown herein, in order to be connected to first and second
Three phase lines (conductor) of common insulation arrangement need to show in side view in Fig. 1 in passive type busbar package module 1,2
Component and component correspondingly trebly implement.The especially clear arrangement axially aligned for showing encapsulating housing, especially
It clearly show the arrangement of main package module 4,9 and power switch 3 axially aligned in the transverse direction of panel.It removes
The busbar package module 1,2 of multiphase insulation, other modules/components of panel are implemented as single-phase insulation.
Fig. 3 and 4 shows the distribution with the first and second active busbar package modules 15,15 ', 15 ", 16,16 ', 16 "
Second deformation scheme of plate.11 He of cross members about the construction of the second main package module 9a, including overturning connected to it
Wiring module 12, voltage transformer 13 and cable 14, implementation referring to Fig. 1 and Fig. 2.In addition, the power in encapsulating housing is opened
Closing 3 has and the identical structure and function of known power switch 3 from Fig. 1 and Fig. 2.
Only change the first main package module 4a structure, including supported herein busbar package module 15,15 ', 15 ",
16、16’、16”.In figure 3 it can be seen that the first current transformer 5 three times construction in transverse direction on be aligned, so as to
Monitor three phase conductors electrically isolated from one another and encapsulation.(referring to the stereogram of Fig. 4).First main package module 4a is along perpendicular
The elongation of axis direction is identical for all first current transformers 5.In the first main package module 4a towards observer
The first current transformer 5 on, similar to Fig. 1 and Fig. 2 flanged joint has cross members 6.Herein it further provides that, cross members 6
So orientation so that the flange connecting pipe arrangement that staggered form is holded up is in one plane and the plane is substantially determined with laterally vertical
To.Correspondingly, it arranges branch on the shell side on the first main package module 4a of panel according to fig. 3, goes back method on it
Orchid is connected with the first active busbar package module 15,15 ', 15 " and the second active busbar package module 16,16 ', 16 "
Encapsulating housing.Here, encapsulating housing is partly by being connected to other cross members 8a, 8a of branch road ', 8a ", 8b, 8b ',
8b " formation.It different from the implementation of Fig. 1 and Fig. 2, provides herein, other intersection group extending in the planes respectively, being connected
Part 8a, 8a ', 8a ", 8b, 8b ', 8b " flange connecting pipe so orient so that its friendship in the first main package module 4a
Pitch the plane (other cross members 8a, 8a of horizontal ', 8a ", 8b, 8b ', 8b ") of the flange connecting pipe of component 6.Therefore, first
With other cross members 8a, 8a of the second active busbar package module 15,15 ', 15 ", 16,16 ', 16 " ', 8a ", 8b,
The phase conductor that 8b ', 8b " are configured busbar runs through in the horizontal.Here, in order to by busbar package module 15,15 ', 15 ", 16,
16 ', 16 " other cross members 8a, 8a ', 8a ", 8b, 8b ', the branch flanged joint of 8b " and the first main package module 4a,
Flange connecting pipe is used respectively, and the flange connecting pipe is relative to remaining other (transversely perforative by phase conductor) flange connecting pipe
Connecting pipe length with increasing.Here, the phase conductor of busbar is by other cross members 8a, 8a of flanged joint ', 8a ",
8b, 8b ', 8b " surround and run through.It can be with cloth in ', 8a ", 8b, 8b ', 8b " in addition, in other cross members 8a, 8a
Set disconnect switch so that can also be switched in (gas) space interior for the phase conductor for being disposed with busbar.It can be in mother
The busbar package module 15,15 ', 15 ", 16,16 ', 16 " switched in the space of the phase conductor of line is referred to as active busbar envelope
Die-filling piece 15,15 ', 15 ", 16,16 ', 16 ".
According in the embodiment of Fig. 1 and the panel of Fig. 2, that encapsulating housing for accommodating the phase conductor of busbar does not have
There is switchgear, wherein in order to arrange that switchgear needs and (connected in centre) other cross members 8a, 8b.With master
In the embodiment of the panel of dynamic formula busbar package module 15,15 ', 15 ", 16,16 ', 16 ", as shown in Figure 3 and Figure 4, in addition
Cross members 8a, 8a ', 8a ", 8b, 8b ', 8b " itself be busbar package module 15,15 ', 15 ", 16,16 ', 16 " encapsulation
A part for shell.
In order to arrange single-phase insulation busbar package module 15,15 ', 15 ", 16,16 ', 16 " different encapsulating shells
Body, each main package module 4a backwards to observer are stepwise arranged in its height.This is for example by each first electricity
The interval encapsulating housing that is inserted between current transformer 5 and the cross members 6,6 ', 6 " being supported by it is realized, thus in vertical pivot
The translation of each branch on each first main package module 4a is realized on direction (referring to Fig. 4).It correspondingly, can be along perpendicular
Axis direction is axially spaced the encapsulating housing of the busbar package module 15,15 ', 15 ", 16,16 ', 16 " of single-phase encapsulation.Alternatively,
It can also provide the busbar package module 15,15 ', 15 ", 16,16 ', 16 " to insulate using multiphase.
The deformation scheme of the known panel from Fig. 1 and Fig. 2 is shown respectively in 6,7,8,9,12,11 and 12 by Fig. 5.
This, the cross members of 1,2 the first main package module 4 of respectively different ground flanged joint of the first and second passive type busbar package modules
6 so that other than the underslung arrangement of the first and second passive type busbar package modules 1,2 shown in Fig. 1,
The arrangement of the supporting type of the first and second passive type busbar package modules according to Fig. 5 may be implemented.In addition, Fig. 6,7,8,
9,12,11 and 12 are shown respectively the combination for the busbar package module 1,2 arranged in Different Plane, wherein these combination difference
Via the cross members 6 of the first main package module 4, come alternatively by the other cross members 8a of differently flanged joint, 8b
Arrangement.
Fig. 5,6,7,8,9,12,11 are clearly shown the change programmes using similar cross members with 12, wherein can be with
Realize the different types of arrangement of busbar package module 1,2.It is possible thereby to establish different types of panel as needed.
Figure 13 is clearly shown the horizontal of the single phase conductor of the active busbar package module of the first or second 15,16
The arrangement of cross members, flanged joint is in cross members 6.In order to preferably identify, it is schematically shown that insulation,
Phase conductor is arranged in the inside of encapsulating housing and relative to the insulated interval of package module by it.The other intersection of horizontal
Component 8a, 8b are a part for the encapsulating housing of the active busbar package module of the first or second 15,16 herein.
The arrangement of additional earthing switch has been eliminated in fig. 13.
Figure 14 shows the embodiment of cross members 6, is located on the first main package module 4 (referring to Fig. 5), wherein in basis
In the deformation scheme of Figure 14, only there are one busbar package modules 1 connects other cross members 8a connection branches by intermediate.Point
It is realized by the disconnect switch itself being located in cross members 8a from function.
Figure 15 shows the arrangement possibility of the cross members 6 with earthing switch.Via shell side, by the first primary seal fill
The branch that module 4 carries can support passive or active busbar package module as needed, wherein via cross members
The ground connection in the phase conductor of inside arrangement may be implemented in earthing switch in 6.
Figure 16 shows the details of the known second main package module 9 such as from Fig. 1,2,3 and 4.In the second main package module 9
The second current transformer 10 on be equipped with cross members 6, by the cross members 6 in the shell side of the second main package module 9
The cross members 11 of joint flanged joint overturning.Earthing switch is arranged in cross members, be may be implemented to be located at whereby and be intersected
The ground connection of phase conductor inside component 6.Disconnect switch is arranged in the cross members 11 of overturning, it can be with using the disconnect switch
Detach the phase conductor being connected with the phase conductor of cable 14 via the Wiring module 12 of connection.Earthing switch is arranged on method
On the earthing switch shell 20 of orchid connection, additional space is thus provided, to allow the grounding contact of earthing switch in overturning
Relative movement inside cross members 11.
Cross members shown in figure are respectively provided with the flange connecting pipe with other flange flanged joints, wherein thus providing each
The connection of the Fluid Sealing of a cross members.In each deformation scheme, it is not provided for the flange connecting pipe phase of flanged joint
That answers closes without port lid, to provide cross members Fluid Sealing connection, and the inside of each cross members can be used
The fluid of electric insulation is filled.When necessary, component or the corresponding encapsulating housing of module can be built as pressure vessel, make
The fluid of electric insulation, preferably gas can internally be filled under stress by obtaining.
For hermetically sealed shell, it is particularly possible to arrange that the fluid of such as insulation/insulation arrangement form is close in flange region
Seal barrier.
Claims (14)
1. a kind of switchgear has busbar package module (1,2,15,15 ', 15 ", 16,16 ', 16 "), the busbar Encapsulation Moulds
Block extends substantially in the cross machine direction for multiple panels of connecting valve equipment, and the master by substantially extending along plotted
Package module (4,4a, 9,9a) carries, which is characterized in that is arranged in shell side on the main package module (4,4a, 9,9a)
There is branch, the vertical pivot that the branch is not only substantially perpendicular to main package module (4,4a, 9,9a) orients, but also substantially hangs down
Directly in transversal orientation, and busbar package module (1,2,15,15 ', 15 ", 16,16 ', 16 ") is supported on the branch road.
2. switchgear according to claim 1, which is characterized in that branch die-filling piece of the primary seal of routing (4,4a, 9,9a)
Cross members (6,8a, 8a ', 8a ", 8b, 8b ', 8b ", 11) constitute.
3. switchgear according to claim 2 or 3, which is characterized in that the busbar package module (1,2,15,15 ',
15 ", 16,16 ', 16 ") be supported on the cross members (6,8a, 8a ', 8a ", 8b, 8b ', 8b ", 11) on.
4. the switchgear according to any one of claim 2 to 3, which is characterized in that the busbar package module (1,2,
15,15 ', 15 ", 16,16 ', 16 ") indirectly intermediate arrangement have other cross members (6,8a, 8a ', 8a ", 8b, 8b ',
8b ", 11) the branch road of the main package module (4,4a, 9,9a) is supported in the case of.
5. switchgear according to any one of claim 2 to 4, which is characterized in that other cross members (6,8a,
8a ', 8a ", 8b, 8b ', 8b ", 11) constitute busbar package module (1,2,15,15 ', 15 ", 16,16 ', 16 ") section.
6. the switchgear according to any one of claim 2 to 5, which is characterized in that the main package module (4,4a,
9,9a) cross members (6,8a, 8a ', 8a ", 8b, 8b ', 8b ", 11) the branch holded up of staggered form and other intersection group
The branch that the staggered form of part is holded up is arranged substantially at respectively in a plane, and busbar envelope is mounted in other cross members
Die-filling piece (1,2,15,15 ', 15 ", 16,16 ', 16 ").
7. the switchgear according to any one of claim 2 to 6, which is characterized in that the main package module (4,4a,
9,9a) cross members (6,8a, 8a ', 8a ", 8b, 8b ', 8b ", 11) staggered form horizontal branch and other intersection group
Part (6,8a, 8a ', 8a ", 8b, 8b ', 8b ", 11) the branch of staggered form horizontal extend in one plane respectively, wherein this
Two planes are intersected each other, are especially mutually perpendicular to, the other cross members be busbar package module (1,2,15,15 ',
15 ", 16,16 ', 16 ") section.
8. the switchgear according to any one of claim 2 to 7, which is characterized in that the cross members (6,8a,
8a ', 8a ", 8b, 8b ', 8b ", 11) there are multiple flange connecting pipes (7a, 7b, 7c, 7d), wherein at least one flange connecting pipe has
Different connecting pipe lengths.
9. switchgear according to claim 8, which is characterized in that the cross members (6,8a, 8a ', 8a ", 8b,
8b ', 8b ", 11) tool is there are four the flange connecting pipe (7a, 7b, 7c, 7d) of arranged crosswise, one of flange connecting pipe (7a, 7b, 7c,
7d) there is the connecting pipe length different relative to other flange connecting pipes (7a, 7b, 7c, 7d).
10. the switchgear according to any one of claim 2 to 9, which is characterized in that the cross members (6,8a,
8a ', 8a ", 8b, 8b ', 8b ", 11) have similar case outlines.
11. switchgear according to any one of claim 1 to 10, which is characterized in that at least one of module is filled out
Fluid filled with electric insulation.
12. according to switchgear described in any one of claim 2 to 11, which is characterized in that cross members (6,8a,
8a ', 8a ", 8b, 8b ', 8b ", 11) the contact spacing of internal arrangement switchgear.
13. switchgear according to claim 12, which is characterized in that the switchgear is disconnect switch.
14. switchgear according to claim 12 or 13, which is characterized in that the switchgear is earthing switch.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016202057.9A DE102016202057A1 (en) | 2016-02-11 | 2016-02-11 | switchgear |
| DE102016202057.9 | 2016-02-11 | ||
| PCT/EP2017/050439 WO2017137199A1 (en) | 2016-02-11 | 2017-01-11 | Encapsulating housing assembly for a gas-insulated switchgear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108604784A true CN108604784A (en) | 2018-09-28 |
| CN108604784B CN108604784B (en) | 2021-03-09 |
Family
ID=57838369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780010697.2A Expired - Fee Related CN108604784B (en) | 2016-02-11 | 2017-01-11 | Encapsulation housing arrangement for a gas-insulated switchgear assembly |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3391486A1 (en) |
| CN (1) | CN108604784B (en) |
| DE (1) | DE102016202057A1 (en) |
| WO (1) | WO2017137199A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018203692A1 (en) * | 2018-03-12 | 2019-09-12 | Siemens Aktiengesellschaft | Control panel |
| DE102018205098A1 (en) * | 2018-04-05 | 2019-10-10 | Siemens Aktiengesellschaft | Electrical power transmission device |
| DE102018205096A1 (en) * | 2018-04-05 | 2019-10-10 | Siemens Aktiengesellschaft | Electrical power transmission device |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2259060A1 (en) * | 1972-11-30 | 1974-06-06 | Siemens Ag | METAL ENCLOSED, COMPRESSED GAS INSULATED HIGH VOLTAGE SWITCHGEAR |
| DE2539996A1 (en) * | 1975-09-09 | 1977-03-17 | Bbc Brown Boveri & Cie | THREE-PHASE ENCLOSED, COMPRESSED GAS INSULATED HIGH-VOLTAGE SWITCHGEAR |
| DE3732454A1 (en) * | 1986-09-29 | 1988-04-07 | Mitsubishi Electric Corp | GAS-INSULATED CONTROL PANEL |
| EP0236885B1 (en) * | 1986-03-14 | 1992-06-03 | BBC Brown Boveri AG | Pressured gas insulated triphase-enclosed high tension power switch |
| DE4438776C1 (en) * | 1994-10-21 | 1996-04-11 | Siemens Ag | Metal-enclosed electrical high-voltage switchgear with a circuit breaker |
| EP0872931A2 (en) * | 1997-04-17 | 1998-10-21 | Asea Brown Boveri AG | Metal clad switchgear |
| CN1338137A (en) * | 1999-09-29 | 2002-02-27 | 株式会社日立制作所 | Gas-insulated switching device |
| CN2796202Y (en) * | 2005-06-06 | 2006-07-12 | 正泰电气股份有限公司 | Gas insulation metal sealed closed switch device |
| DE102007047200A1 (en) * | 2007-05-31 | 2008-12-04 | Abb Technology Ag | High-voltage switchgear |
| CN201708450U (en) * | 2010-06-13 | 2011-01-12 | 河南平高东芝高压开关有限公司 | Direct-connecting structure for total box GIS (Geographic Information System) bus and junction box feeder transformer |
| WO2011144243A1 (en) * | 2010-05-20 | 2011-11-24 | Abb Technology Ag | Gas-insulated switchgear assembly arrangement |
| DE102010026014A1 (en) * | 2010-06-29 | 2011-12-29 | Siemens Aktiengesellschaft | Compressed gas-insulated multi-phase control panel |
| CN202797740U (en) * | 2012-09-26 | 2013-03-13 | 中电装备恩翼帕瓦（山东）高压开关有限公司 | Combination switch with two-layer parallelly-arranged current transformers |
| CN204290149U (en) * | 2014-12-04 | 2015-04-22 | 中国西电电气股份有限公司 | A kind of high pressure gas insulation metal sealing switch equipment |
| CN104904079A (en) * | 2012-10-31 | 2015-09-09 | 西门子公司 | Switchgear assembly switchpanel |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4134403B2 (en) * | 1998-11-06 | 2008-08-20 | 株式会社日立製作所 | Power transmission / distribution equipment |
| EP1710589A1 (en) * | 2005-03-30 | 2006-10-11 | VA TECH Transmission & Distribution SA | Optical sensor arrangement for electrical switchgear |
| RU2013127228A (en) | 2010-11-16 | 2014-12-27 | Абб Текнолоджи Аг | SWITCH PANEL FOR HIGH VOLTAGE DISTRIBUTION DEVICE AND METHOD OF INSTALLATION |
-
2016
- 2016-02-11 DE DE102016202057.9A patent/DE102016202057A1/en not_active Withdrawn
-
2017
- 2017-01-11 CN CN201780010697.2A patent/CN108604784B/en not_active Expired - Fee Related
- 2017-01-11 WO PCT/EP2017/050439 patent/WO2017137199A1/en active Application Filing
- 2017-01-11 EP EP17700640.0A patent/EP3391486A1/en not_active Withdrawn
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2259060A1 (en) * | 1972-11-30 | 1974-06-06 | Siemens Ag | METAL ENCLOSED, COMPRESSED GAS INSULATED HIGH VOLTAGE SWITCHGEAR |
| DE2539996A1 (en) * | 1975-09-09 | 1977-03-17 | Bbc Brown Boveri & Cie | THREE-PHASE ENCLOSED, COMPRESSED GAS INSULATED HIGH-VOLTAGE SWITCHGEAR |
| EP0236885B1 (en) * | 1986-03-14 | 1992-06-03 | BBC Brown Boveri AG | Pressured gas insulated triphase-enclosed high tension power switch |
| DE3732454A1 (en) * | 1986-09-29 | 1988-04-07 | Mitsubishi Electric Corp | GAS-INSULATED CONTROL PANEL |
| DE4438776C1 (en) * | 1994-10-21 | 1996-04-11 | Siemens Ag | Metal-enclosed electrical high-voltage switchgear with a circuit breaker |
| EP0872931A2 (en) * | 1997-04-17 | 1998-10-21 | Asea Brown Boveri AG | Metal clad switchgear |
| CN1338137A (en) * | 1999-09-29 | 2002-02-27 | 株式会社日立制作所 | Gas-insulated switching device |
| CN2796202Y (en) * | 2005-06-06 | 2006-07-12 | 正泰电气股份有限公司 | Gas insulation metal sealed closed switch device |
| DE102007047200A1 (en) * | 2007-05-31 | 2008-12-04 | Abb Technology Ag | High-voltage switchgear |
| WO2011144243A1 (en) * | 2010-05-20 | 2011-11-24 | Abb Technology Ag | Gas-insulated switchgear assembly arrangement |
| CN201708450U (en) * | 2010-06-13 | 2011-01-12 | 河南平高东芝高压开关有限公司 | Direct-connecting structure for total box GIS (Geographic Information System) bus and junction box feeder transformer |
| DE102010026014A1 (en) * | 2010-06-29 | 2011-12-29 | Siemens Aktiengesellschaft | Compressed gas-insulated multi-phase control panel |
| CN202797740U (en) * | 2012-09-26 | 2013-03-13 | 中电装备恩翼帕瓦（山东）高压开关有限公司 | Combination switch with two-layer parallelly-arranged current transformers |
| CN104904079A (en) * | 2012-10-31 | 2015-09-09 | 西门子公司 | Switchgear assembly switchpanel |
| CN204290149U (en) * | 2014-12-04 | 2015-04-22 | 中国西电电气股份有限公司 | A kind of high pressure gas insulation metal sealing switch equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108604784B (en) | 2021-03-09 |
| WO2017137199A1 (en) | 2017-08-17 |
| DE102016202057A1 (en) | 2017-08-17 |
| EP3391486A1 (en) | 2018-10-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH01185107A (en) | Gas insulated switchgear | |
| CN102428535B (en) | Electrical power switch and switch plate with power switch | |
| CN105283939B (en) | Switch module, the switchgear including switch module, the switchgear including switching device and cooling means | |
| CN101779343A (en) | Separable loadbreak connector and system | |
| KR200472373Y1 (en) | Bus structure of common three-pole gis | |
| KR100362232B1 (en) | Vacuum switch and vacuum switchgear using the same | |
| CN104584348B (en) | Gas isolated switchgear | |
| US6624372B1 (en) | Gas insulated switchgear | |
| CN108604784A (en) | Encapsulating housing for gas-insulated switchgear is arranged | |
| KR0136383B1 (en) | Gas-insulated switch gear apparatus | |
| JP4297549B2 (en) | Switchgear | |
| CN201134639Y (en) | 72.5KV gas insulated metal sealing switchgear | |
| KR20130029784A (en) | Gas-insulated switchgear assembly arrangement | |
| CN101507069A (en) | Connection module with an encapsulating housing | |
| CN102959814A (en) | Pressurised gas-insulated multi-phase control panel | |
| CN102163817B (en) | Gas-insulated sensor module | |
| BR102013004732A2 (en) | Medium Voltage Distribution Substation | |
| RU2389103C2 (en) | Multi-phase switching device with identical opening blocks | |
| CN201307728Y (en) | Gas insulated load switchgear | |
| CN202772486U (en) | Solid insulation switch device and assembly thereof | |
| CN100533886C (en) | Gas-insulated bus bar component comprising outdoor bushings | |
| CN101479902B (en) | Heavy-duty circuit breaker with a housing | |
| CN103181047B (en) | Heterogeneous compressed gas insulated cable with encapsulation part introduces module | |
| BR102013004729B1 (en) | functional unit for a medium voltage substation and medium voltage distribution substation | |
| CN102428534B (en) | Multi-phase switching device assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210309 Termination date: 20220111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |