CN104143465B - The earthed switch assembly unit of high-speed grounding switch and its composition - Google Patents
The earthed switch assembly unit of high-speed grounding switch and its composition Download PDFInfo
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- CN104143465B CN104143465B CN201310437611.8A CN201310437611A CN104143465B CN 104143465 B CN104143465 B CN 104143465B CN 201310437611 A CN201310437611 A CN 201310437611A CN 104143465 B CN104143465 B CN 104143465B
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- 230000003068 static effect Effects 0.000 claims abstract description 86
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 239000004020 conductor Substances 0.000 claims abstract description 30
- 229910018503 SF6 Inorganic materials 0.000 claims abstract description 20
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229960000909 sulfur hexafluoride Drugs 0.000 claims abstract description 20
- 238000009413 insulation Methods 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000010891 electric arc Methods 0.000 description 6
- 239000012212 insulator Substances 0.000 description 5
- 230000008033 biological extinction Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention relates to the earthed switch assembly unit of high-speed grounding switch and its composition, high-speed grounding switch include for using when be placed in corresponding assembly unit housing sealed gas chamber in sulfur hexafluoride arc-control device, sulfur hexafluoride arc-control device includes that static side assembling and moved end are assembled, the static side assembling static side conductor for including and the static arc contact being electrically connected on static side conductor, be provided with static side conductor be respectively used to the conducting rod attachment structure being electrically connected is fixed with the abutting end of corresponding two conducting rods, moved end assembling includes the moving arcing contact being mutually grounded corresponding failure by closing a floodgate with static arc contact, high-speed grounding switch also includes the operating mechanism that clutch end is connected with the moving arcing contact.The invention provides a kind of high-speed grounding switch for extinguishing secondary arc current and the earthed switch assembly unit using the earthed switch.
Description
Technical field
The present invention relates to the earthed switch assembly unit of the high-speed grounding switch and its composition in field of transmission equipment.
Background technology
The failure more than 90% of extra high voltage network is singlephase earth fault, and there are about 80% in singlephase earth fault and be
" instantaneity " failure, eliminates singlephase earth fault using single-pole reclosing mostly in China 220kV and Above Transmission Lines, improves and is
The stability of system and the reliability of power supply, can the success or not of single-pole reclosing depends on the latent confession electric arc of trouble point self-extinguishment.
When in transmission line of electricity there is singlephase earth fault in circuit, the action immediately of system auto recloser, the open circuit at failure phase two ends
Device disconnects immediately, and short circuit current flow is cut off, and now perfects and mutually continues to provide electricity to trouble point by electrostatic coupling and electromagnetic coupled
Stream, i.e. secondary arc current.
, as using 8 divisions, even 12 divisions, and phase spacing is larger more than wire, circuit is longer for extra high voltage network,
Therefore line-to-ground distribution capacity and the electric capacity that distributes alternately are all very big, from the latent confession electric arc combustion that the induced voltage for perfecting phase is produced
The burning time is longer, substantially reduces the success rate of single phase autoreclosing, and the harm to system is very serious, therefore, it is necessary to take
Corresponding measure supplies the fall time of electric arc to shorten to dive.The method for being presently used for Secondary Arc Extinction is mainly installed additional at a high speed
Earthed switch and shunt reactor neutral point connect two kinds of low reactance.China uses electricity in parallel when building extra-high voltage demonstration circuit
Anti- device neutral point connects low reactance, and this method may constitute resonance time with the impedance of reactor due to alternate with relatively electric capacity
Road, needs the complexity for taking preventive measures and increased system protection, while investing is larger.
Content of the invention
It is an object of the invention to provide a kind of high-speed grounding switch for extinguishing secondary arc current；The purpose of the present invention is also
It is to provide a kind of earthed switch assembly unit using the earthed switch.
In order to solve the above problems, the technical scheme of high speed earthed switch of the present invention is：
High-speed grounding switch, including for using when be placed in corresponding assembly unit housing sealed gas chamber in hexafluoro
Change sulfur arc-control device, sulfur hexafluoride arc-control device includes that static side assembling and moved end are assembled, the static side static side conductor that includes of assembling and
The static arc contact being electrically connected on static side conductor, is provided with static side conductor and is respectively used to be consolidated with the abutting end of corresponding two conducting rods
Surely the conducting rod attachment structure that is electrically connected, moved end assembling include mutually being grounded corresponding failure by closing a floodgate with the static arc contact
Moving arcing contact, high-speed grounding switch also include the operating mechanism that clutch end is connected with the moving arcing contact.
The static side conductor includes the vertically extending conductive sleeve of axis, and the static arc contact is solid by static arc contact
Fixed rack is coaxially set in the endoporus lower end of the conductive sleeve.
The conducting rod attachment structure includes that axis is vertically disposed with the static arc contact axis, same for corresponding conducting rod
The electric connecting sleeve of the conductive inserting of axis.
In the present invention, the technical scheme of earthed switch assembly unit is：Earthed switch assembly unit, including housing and mechanism
Casing, is provided with sealed gas chamber, is equipped with two by insulating supporting structure insulated enclosure on the air chamber wall of sealed gas chamber in housing
Individual for using when with the accordingly single-phase center conductor being conductively connected, be provided with sealed gas chamber and lead with each center conductor respectively
The conducting rod of electrical connection, is additionally provided with sulfur hexafluoride arc-control device in the sealed gas chamber, sulfur hexafluoride arc-control device includes point
The static side assembling and moved end not being fixedly installed by static side bearing and the relative housing of moved end bearing is assembled, and static side assembling includes arranging
In the static side conductor on static side bearing and the static arc contact that is electrically connected on static side conductor, be provided with static side conductor respectively with two
The abutting end of conducting rod fixes the conducting rod attachment structure being electrically connected, when moved end assembling is included in the single-phase fault by with described
Static arc contact close a floodgate by the moving arcing contact of the single-phase earthing, earthed switch assembly unit also include clutch end with described
The operating mechanism that moving arcing contact is connected.
The static side conductor includes the vertically extending conductive sleeve of axis, and the static arc contact is solid by static arc contact
Fixed rack is coaxially set in the endoporus lower end of the conductive sleeve, and the moving arcing contact is located on the downside of the static arc contact, actuating
Mechanism is located at moved end assembling downside.
The housing includes the vertically extending vertical cylinder of axis and is arranged at two horizontal strokes of vertical cylinder both sides
To cylinder, each conducting rod is coaxially set with corresponding laterally cylinder respectively, the moving arcing contact, static arc contact and the vertical cylinder
Body is coaxially set.
The upper/lower terminal of the vertical cylinder is respectively arranged with and seals the upper and lower close of cooperation with the barrel wall of vertical cylinder
Seal structure, insulating supporting structure are respectively arranged in each horizontal cylinder, and the sealed gas chamber is by the upper and lower sealing structure, each
Vertical, the horizontal cylinder of insulating supporting structure and corresponding position is surrounded.
The static side bearing includes that insulating supporting sleeve, upper insulation supporting cylinder include being coaxially set on static side conductor
The shell portion at end and be fixedly arranged on the upper cover plate of shell portion upper end, be provided with the upper cover plate for the vertical cylinder
The removable upper bolt fastening structure being fixedly connected in upper end.
Described moved end bearing includes the lower insulating supporting sleeve being coaxially set with the moving arcing contact, the lower insulation
The lower end of stop sleeve is provided with for the lower bolt fastening structure being fixedly connected removable with the lower end of the vertical cylinder, described
The insulated tension pole for realizing that operating mechanism is connected with moving arcing contact is equipped with lower insulation supporting cylinder.
Beneficial effects of the present invention are：The center conductor in the present invention single-phase is conductively connected with this reality with corresponding during use
Existing static side conductor is electrically connected with single-phase, when working line single phase ground fault failure, is produced an electric arc, is broken down
Single-phase be referred to as failure phase, failure phase two ends circuit breaker trip, an arc extinction, in addition diphasic zone electrically commoned cross electrostatic coupling
Continue to provide electric current to trouble point with electromagnetic coupled, secondary arc current is produced, now operating mechanism drives dynamic and static arcing contact to close a floodgate,
Failure is mutually grounded by static arc contact and moving arcing contact, is dived and is supplied arc extinction, and subsequent operating mechanism drives dynamic and static arcing contact point
Lock, the present invention is using the dynamic and static arcing contact ground connection in sulfur hexafluoride arc-control device, it is ensured that suitable during dynamic and static arcing contact separating brake
Sharp arc extinguishing, so that ensure the reclosing success of follow-up chopper.
Description of the drawings
Fig. 1 is the structural representation of one embodiment of earthed switch assembly unit in the present invention；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the cooperation schematic diagram of earthed switch and vertical cylinder in Fig. 1；
Fig. 4 is the structural representation of static side assembling in Fig. 3；
Fig. 5 is the structural representation of moved end assembling in Fig. 3；
Fig. 6 is the structural representation of operating mechanism in Fig. 1；
Fig. 7 is the right view of Fig. 6.
Specific embodiment
The enforcement of earthed switch assembly unit is for example shown in Fig. 1 ~ 7：Including housing 40, housing includes axis along the vertical direction
The vertical cylinder 42 for extending and the horizontal cylinder 43 for being placed in the vertical cylinder left and right sides, the opposite end of two horizontal cylinders is respectively provided with
There is the flange connection 47 being fixedly connected for other cylinders with GIS device, in transport, on each flange connection
Lid is equipped with packaging cover plate 4.The lower end of vertical cylinder is provided with mechanism's casing 7.In each horizontal cylinder, sealing is equipped with insulation
Support structure, the center position of each insulating supporting structure be provided with for using when lead with the accordingly single-phase center for electrically connecting
Body, insulating supporting structure are made up of disc insulator 2, are electrically connected with conducting rod 44, each disc insulator on each center conductor
It is sealedly and fixedly connected with the barrel wall of corresponding laterally cylinder respectively.The upper/lower terminal of vertical cylinder is respectively arranged with sealing knot
Structure and lower sealing structure, wherein go up sealing structure and are constituted loaded on the maintenance lid 45 in vertical cylinder upper port by covering, lower sealing
Structure includes that the lower supporting plate 46 being connected with mechanism casing, vertical cylinder are sealed by sealing ring with lower supporting plate, upper and lower sealing
Horizontal, the vertical cylinder of structure, each disc insulator and corresponding position surrounds sealed gas chamber, and conducting rod is located at the sealed gas chamber
In, adsorbent 10 is provided with the corresponding housing wall of sealed gas chamber, filled with sulfur hexafluoride gas in the closed air chamber, make the envelope
Room of holding one's breath defines big arc-chutes, is provided with sulfur hexafluoride arc-control device, and realizes hexafluoro with this in the sealed gas chamber
Change the good arc-suppression function of sulfur arc-control device.The horizontal cylinder of corresponding position refers to the horizontal cylinder between two disc insulators
Body, the vertical cylinder of corresponding position refer to the vertical cylinder between upper and lower sealing structure.Sulfur hexafluoride arc-control device is arranged on
In the vertical cylinder of the sealed gas chamber, sulfur hexafluoride arc-control device is included respectively by static side bearing and moved end bearing with respect to housing
The static side assembling 1 and moved end assembling 6 of fixing assembling, static side assembling include the static side conductor 16 being arranged on static side bearing and are electrically connected
Static arc contact 21 on static side conductor, static side conductor include that the conductive sleeve being coaxially set with vertical cylinder, static arc contact are led to
Cross static arc contact fixed support 18 to be coaxially set in the endoporus lower end of conductive sleeve, the left and right two ends of conductive sleeve are respectively provided with useful
The conducting rod attachment structure being electrically connected is fixed in the abutting end with two conducting rods, and conducting rod attachment structure is included for corresponding conducting rod
The electric connecting sleeve of the conductive inserting of coaxial line, two electric connecting sleeves are coaxially set, and electric connecting sleeve is secured by bolts in conductive sleeve
On, the upper and lower ends of conductive sleeve are respectively arranged with radome 15 and lower radome 19.Static side bearing includes insulation supporting cylinder,
Upper insulation supporting cylinder includes the shell portion 14 being coaxially set with vertical cylinder and the upper cover plate for being fixedly arranged on shell portion upper end
20, along the installation step for being above provided with a ring shape, installation step has installation base surface upward to the upper end nozzle of vertical cylinder,
Upper cover plate is installed on the installation base surface by upper bolt fastening structure, overhauls the top that lid is located at upper cover plate, static side conductor
It is fixedly arranged on shell portion lower end.By closing a floodgate the single-phase earthing with static arc contact when moved end assembling is included in single-phase fault
Moving arcing contact 28, moving arcing contact is located on the downside of static arc contact, is provided with clutch end by insulated tension pole in mechanism's casing
27 operating mechanisms 8 being connected with moving arcing contact, sulfur hexafluoride arc-control device also include that coaxial line is sheathed on outside moving arcing contact
The pneumatic cylinder 22 for enclosing, moving arcing contact is conductively connected with pneumatic cylinder, and the upper end of pneumatic cylinder is installed with spout 29, and pneumatic cylinder is oriented to suit
On piston cylinder 24, pneumatic cylinder is connected with insulated tension pole, that is to say, that insulated tension pole, pneumatic cylinder, spout and moving arcing contact
Synchronization action, moved end assembling also include that moved end supports, and moved end is supported and is provided with the fingertip 23 being conductively connected with pneumatic cylinder, fingertip
Supported by moved end and electrically connected with ground terminal assembling 9, so as to realize that moving arcing contact is electrically connected with ground terminal assembling, moved end
The lower end of support is installed with moved end support tube 25, and the lower end of piston cylinder is provided with damper piston 26, the work of sulfur hexafluoride arc-control device
As principle it is：When dynamic and static arcing contact closes a floodgate, single-phase earthing is realized by dynamic and static arcing contact, in dynamic and static arcing contact separating brake, absolutely
Edge pull bar drives moving arcing contact, spout, pneumatic cylinder to move down, and the sulfur hexafluoride gas in pneumatic cylinder are compressed and pressure liter
Height, when spout is opened, the gas of high pressure will be discharged by nozzle, realize arc blowing function.Under the support tube of moved end
End is provided with the upper backup pad 50 being fixedly connected with lower insulation supporting cylinder, and insulated tension pole is worn by the through hole opened up on upper backup pad
Cross, insulated tension pole is slidably matched with the through hole sealing on upper backup pad, insulated tension pole is provided with mechanism case and is touched with dynamic arc
The operating mechanism 8 that is connected of head, operating mechanism is a hydraulic actuating mechanism, and operating mechanism includes power transmission shaft 32, power transmission shaft
On be installed with crankshaft-link rod 31, the connecting rod of crankshaft-link rod is hinged and connected with the lower end of insulated tension pole, the power of hydraulic drive mechanism
Outfan is connected with transmission shaft driven, and when actually used, hydraulic drive mechanism drives drive axis, so that crankshaft-link rod
Insulated tension pole is driven to move up and down, to realize the on/off switch of dynamic and static arcing contact.Item 30 represents crankcases；Item 3 is represented realizes conduction
Bar and the accordingly single-phase electrical connector being electrically connected, electrical connector are a sleeve-like structure；Item 17 represents the electricity that installs for electric connecting sleeve
Connecting support seat.
Cylinder during use by this earthed switch assembly unit with GIS miscellaneous equipments is coupled together, and make conducting rod with right
Answer single-phase be conductively connected, in working line single phase ground fault failure, produce an electric arc, failure phase two ends chopper
Tripping operation, an arc extinction, in addition electrically commoned electrostatic coupling and the electromagnetic coupled crossed of diphasic zone continue to provide electric current to trouble point, this
When secondary arc current produce, the dynamic and static arcing contact for being installed in the earthed switch of failure phase closes a floodgate, and realizes single-phase earthing, latent supplies electric arc
Extinguish, the dynamic and static arcing contact separating brake of subsequent earthed switch, last chopper reclosing success, circuit recovers normal charging operation.
Static side assembling and moved end assembling are arranged in the vertical cylinder being vertically arranged, and are conducive to the occupation of land for saving assembly unit
Area；Static side is fitted through insulation supporting cylinder and is fixed with housing, and upper insulation supporting cylinder plays insulation and supporting role, upper and lower
The maskable static side Parts optimization electric field structure of radome；Moved end is fitted through lower insulation supporting cylinder and is fixed with housing, lower insulation
Support tube plays insulation and supporting role.
In other embodiments of the invention：Upper insulation supporting cylinder can also be arranged at static side assembling lower section, now go up absolutely
The upper end of edge support tube is fixedly connected with static side conductor, and the lower end of upper insulation supporting cylinder is fixedly connected with lower supporting plate, and moved end fills
Match somebody with somebody and be then arranged in the endoporus of insulation supporting cylinder；Dynamic and static arcing contact can be with lateral arrangement；Conducting rod attachment structure can also
The screwed hole being disposed on conductive sleeve, is directly fixed on conducting rod on conductive sleeve by bolt during use；Certainly upper insulation
Support tube can not also set, and now static side bearing can be made up of conducting rod, and conducting rod had both played the work conductive to static side conductor
With, play a part of again support static side assembling；Operating mechanism can also be spring operating mechanism or pneumatic, electromagnetic operating mechanism
Deng；Sulfur hexafluoride arc-control device in the present invention is air pressing type arc extinguishing, and certain sulfur hexafluoride arc-control device can also adopt self energy
Formula gas blast arc-quenching device；Disc insulator can be with by insulation support plate or the replacement of other insulating supporting structures；Upper insulating supporting
Cylinder also can only include shell portion, and now directly shell portion upper end can be fixed on access hole lid；Lid is overhauled certainly
Can also be not provided with the surface of upper insulation supporting cylinder, such as be arranged at the side of vertical cylinder；Two conducting rods may be used also
To be vertically arranged, when horizontal cylinder is longer, the number of conducting rod of the vertical cylinder per side can also appropriate increase；Erecting bed
Rank can not also set, and now upper cover plate can be secured by bolts on the inwall of maintenance lid or vertical cylinder.
The enforcement of high-speed grounding switch is for example shown in Fig. 1 ~ 7：High-speed grounding switch includes sulfur hexafluoride arc-control device and behaviour
The concrete structure of motivation structure, sulfur hexafluoride arc-control device and operating mechanism and institute in above-mentioned each earthed switch assembly unit embodiment
The sulfur hexafluoride arc-control device that states is identical with operating mechanism, will not be described in detail herein.
Claims (3)
1. earthed switch assembly unit, it is characterised in that：Including housing, sealed gas chamber, the gas of sealed gas chamber in housing, is provided with
On locular wall by insulating supporting structure insulated enclosure be equipped with two for using when with the accordingly single-phase center being conductively connected
Conductor, is provided with the conducting rod being conductively connected with each center conductor respectively, is additionally provided with the sealed gas chamber in sealed gas chamber
Sulfur hexafluoride arc-control device, sulfur hexafluoride arc-control device include setting with respect to housing fixation by static side bearing and moved end bearing respectively
The static side assembling that puts and moved end are assembled, and static side assembling includes the static side conductor being arranged on static side bearing and is electrically connected in static side conductor
On static arc contact, be provided with static side conductor and fix the conducting rod being electrically connected respectively with the abutting end of two conducting rods and be connected knot
The dynamic arc of the single-phase earthing is touched when moved end assembling is included in the single-phase fault by structure by being closed a floodgate with the static arc contact
Head, earthed switch assembly unit also include the operating mechanism that clutch end is connected, the static side with the moving arcing contact
Conductor includes that the vertically extending conductive sleeve of axis, the static arc contact are coaxially set by static arc contact fixed support
In the endoporus lower end of the conductive sleeve, the moving arcing contact is located on the downside of the static arc contact, and operating mechanism is located at the moved end
Assembling downside, the housing include the vertically extending vertical cylinder of axis and are arranged at two horizontal strokes of vertical cylinder both sides
To cylinder, each conducting rod is coaxially set with corresponding laterally cylinder respectively, the moving arcing contact, static arc contact and the vertical cylinder
Body is coaxially set, and described moved end bearing includes the lower insulating supporting sleeve being coaxially set with the moving arcing contact, described
The lower end of lower insulating supporting sleeve is provided with for the lower bolted-on attachment being fixedly connected removable with the lower end of the vertical cylinder
Structure, is equipped with the insulated tension pole for realizing that operating mechanism is connected with moving arcing contact, vertical cylinder in the lower insulation supporting cylinder
Lower end be provided with mechanism's casing, operating mechanism is located in mechanism's casing, and operating mechanism includes power transmission shaft, is installed with power transmission shaft
Crankshaft-link rod, the connecting rod of crankshaft-link rod are hinged and connected with the lower end of insulated tension pole.
2. earthed switch assembly unit according to claim 1, it is characterised in that：The upper/lower terminal of the vertical cylinder
The upper and lower sealing structure with the barrel wall sealing cooperation of vertical cylinder is respectively arranged with, insulating supporting structure is respectively arranged at respectively
Laterally in cylinder, the sealed gas chamber is by the perpendicular of the upper and lower sealing structure, each insulating supporting structure and corresponding position
Surround to, horizontal cylinder.
3. earthed switch assembly unit according to claim 1, it is characterised in that：The static side bearing includes insulation
Support set cylinder, upper insulation supporting cylinder include being coaxially set in static side conductor upper end shell portion and be fixedly arranged on shell portion upper end
Upper cover plate, be provided with the upper cover plate for the removable upper bolted-on attachment being fixedly connected in the vertical cylinder upper end
Structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310437611.8A CN104143465B (en) | 2013-09-24 | 2013-09-24 | The earthed switch assembly unit of high-speed grounding switch and its composition |
| PCT/CN2014/087223 WO2015043460A1 (en) | 2013-09-24 | 2014-09-23 | High-speed grounding switch and grounding switch assembly unit composed thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310437611.8A CN104143465B (en) | 2013-09-24 | 2013-09-24 | The earthed switch assembly unit of high-speed grounding switch and its composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104143465A CN104143465A (en) | 2014-11-12 |
| CN104143465B true CN104143465B (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310437611.8A Active CN104143465B (en) | 2013-09-24 | 2013-09-24 | The earthed switch assembly unit of high-speed grounding switch and its composition |
Country Status (1)
| Country | Link |
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| CN (1) | CN104143465B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106611678A (en) * | 2015-10-26 | 2017-05-03 | 上海思源高压开关有限公司 | Directly-connected transmission mode |
| KR102135381B1 (en) * | 2018-10-30 | 2020-07-17 | 엘에스일렉트릭(주) | High Speed Earthing Switch of Gas Insulated Switchgear |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61237316A (en) * | 1985-04-13 | 1986-10-22 | 株式会社東芝 | Gas insulated ground switch |
| JPH07111855B2 (en) * | 1987-07-02 | 1995-11-29 | 三菱電機株式会社 | Tank type circuit breaker |
| CN2924763Y (en) * | 2006-07-20 | 2007-07-18 | 丹东供电设备厂 | Sulfur hexafluoride circuit breaker arc-quenching mechanism |
| CN201038042Y (en) * | 2007-04-25 | 2008-03-19 | 上海泰高开关有限公司 | Earth switch |
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2013
- 2013-09-24 CN CN201310437611.8A patent/CN104143465B/en active Active
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| Publication number | Publication date |
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| CN104143465A (en) | 2014-11-12 |
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