CN104641428B - Discharge device for overvoltage protection - Google Patents
Discharge device for overvoltage protection Download PDFInfo
- Publication number
- CN104641428B CN104641428B CN201380048209.9A CN201380048209A CN104641428B CN 104641428 B CN104641428 B CN 104641428B CN 201380048209 A CN201380048209 A CN 201380048209A CN 104641428 B CN104641428 B CN 104641428B
- Authority
- CN
- China
- Prior art keywords
- contact
- housing
- overvoltage protection
- discharge device
- arresting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005553 drilling Methods 0.000 claims abstract description 13
- 239000012530 fluid Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims description 14
- 238000010168 coupling process Methods 0.000 claims description 14
- 238000005859 coupling reaction Methods 0.000 claims description 14
- 230000033001 locomotion Effects 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims 1
- 229910018503 SF6 Inorganic materials 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 4
- 229960000909 sulfur hexafluoride Drugs 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/02—Details
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Gas-Insulated Switchgears (AREA)
- Emergency Protection Circuit Devices (AREA)
- Thermistors And Varistors (AREA)
Abstract
The present invention relates to a kind of discharge device for overvoltage protection (1) of the housing (2) with Fluid Sealing.The housing has grounding contact (3) and high-voltage contact (4), wherein, with external conductive be connected for the inside of housing (2) respectively by the grounding contact (3) and high-voltage contact (4).The arresting element (5) being arranged in housing (2) is with the discharge column being clamped in by strain component (11) between two end-fittings (6,7).By the contact element (9) that can be vertically slid by slide device (8), can set up or cut off grounding contact (3) from the outside of housing (2) being conductively connected via arresting element (5) and high-voltage contact (4).According to the present invention, contact element (9) guiding in the drilling (26) of end-fitting (6,7).Thus, it is possible to discharge device for overvoltage protection (1) is designed to closely.Further, since contact element (9) guiding in the drilling (26) of end-fitting (6,7), can realize mechanical simple but reliable structure.
Description
Technical field
The present invention relates to a kind of discharge device for overvoltage protection of the housing with Fluid Sealing, there is the housing ground connection to touch
Head and high-voltage contact, wherein, with external conductive be connected for the inside of housing respectively by the grounding contact and high-voltage contact, the mistake
Voltage protection discharger also has and is arranged in arresting element in the housing of the Fluid Sealing, the arresting element have by
Strain component is clamped in the discharge column between two end-fittings, wherein, by what can vertically be slid by slide device
Contact element, can set up and cut off the grounding contact being conductively connected by the arresting element and high-voltage contact.
Background technology
Discharge device for overvoltage protection is the protection system for example for switchgear, and they are due to thunderbolt or other portions
Overvoltage is guided into ground and thus other components of protection switch equipment when subsystem breaks down and overvoltage occurs.
This discharge device for overvoltage protection includes one or more cylindrical discharge elements, and they have by single same
It is the piezoresistor post of the piezoresistor element composition of cylinder.The piezoresistor element is characterised by and voltage
Related resistance.When voltage is relatively low, piezoresistor element is used as insulator.Opened from a certain threshold voltage related to material
Begin, piezoresistor element has good electric conductivity.Piezoresistor element is generally made up of metal oxide such as zinc oxide.
Arresting element is limited at two ends by end-fitting, and the end-fitting sets up the conductive contact with switchgear and ground.In order to
Good conductive contact is also ensured that in the case of by mechanical load, piezoresistor post must be maintained at one by pressure
Rise.This can be accomplished by the following way, i.e. the strain component such as rope that is made of plastics that preferably will be strengthened by glass fibre or
Bar is clamped in end-fitting under a stretching force.Strain component surrounds piezoresistor post and is consequently formed around pressure herein
The retainer of sensitive resistor post.
In order that being used in gas isolated switchgear, discharge device for overvoltage protection has the housing of Fluid Sealing, institute
State housing and surround arresting element.Here, in order to improve anti-breakdown intensity, with fluid, being mostly sulfur hexafluoride filling housing.It is described
Housing is made up of metal and is conductively grounded mostly.One end-fitting of discharge column is connect by being directed through the contact of housing
Ground.Another end-fitting is connected by sleeve pipe with the contact conduction in hull outside, and the contact is used to be connected to switch
In equipment.
If answering powered ground detection switch equipment, by the high pressure that occurs must by discharge device for overvoltage protection with open
Pass equipment is separated.Otherwise discharge device for overvoltage protection can guide voltage into ground and measurement result is malfunctioned.
The hitherto known discharge device for overvoltage protection with separated part, can put overvoltage protection at separated part
Electrical equipment is separated with switchgear.In order to operate the separated part, it is necessary to open housing, sulfur hexafluoride may thus flowed out.This
Be extremely it is undesirable generation and be therefore unfavorable because sulfur hexafluoride is harmful greenhouse gases.
A kind of discharge device for overvoltage protection according to type of the present invention as known to JP 10322822-A, wherein, pass through
Make by discharge column and the device that constitutes of control cover it is jointly mobile and thus set up or cut off be conductively connected by discharge column with open
Pass equipment is separated.Here, in order to operate, with carrying out air seal through the linear movement of housing wall.
A kind of discharge device for overvoltage protection is described in the international application of Application No. PCT/EP2012/059973, its
In, control cover can move relative to arresting element and thus open or close separated part.
The shortcoming of solution of the prior art is, it is necessary to the mechanical structure of complexity is, it is necessary to move larger quality simultaneously
And space requirement is larger.
The content of the invention
The technical problems to be solved by the invention are, there is provided a kind of compact discharge device for overvoltage protection, it has can
From the separated part of peripheral operation, there is simple mechanical structure while needing mobile quality as small as possible.
The technical problem is solved by the following technical programs by the present invention.
The present invention defines a kind of discharge device for overvoltage protection of the housing with Fluid Sealing herein.The housing has
Grounding contact and high-voltage contact, wherein, with external conductive be connected for the inside of housing respectively by the grounding contact and high-voltage contact.
The arresting element being arranged in housing has the discharge column being clamped in by strain component between two end-fittings.By that can borrow
Help the contact element that slide device slides vertically, can from housing it is outside set up or cut off the grounding contact via or it is logical
Cross being conductively connected for the arresting element and high-voltage contact.According to the present invention, the contact element is in the drilling of end-fitting
It is directed to.It is possible thereby to discharge device for overvoltage protection is designed to closely.Further, since contact element is in end-fitting
Guided in drilling, mechanical simple but reliable structure can be realized.
In a kind of favourable design of the invention, the contact element and slide device flexibly phase vertically
Even.Length tolerance thus, it is possible to compensate slide device in the case of without complicated calibrator (-ter) unit in a straightforward manner.
It is furthermore preferred that having a multiple for contact element, especially three arresting elements to be arranged in housing respectively
It is interior.Here, the housing has a high-voltage contact respectively for each arresting element, the multiple contact element can be by
Slide device slides jointly.Sealed discharge device for overvoltage protection thus, it is possible to construct multipole in a straightforward manner, it is directed to
Each has exclusive separated part, but these separated parts can be co-operated.
Particularly advantageously, the slide device has the drive link being connected with contact element for each arresting element.
Additionally, slide device hermetically outwards guides with the internal gas from housing and can be by operation device in hull outside
Mobile center rod.Here, in order to the movement of operation device is passed into contact element, by coupling element and center rod and transmission
Bar is connected.Discharged thus, it is possible to be protected from hull outside switching overvoltage by unique operation device in a particularly simple way
Multiple separated parts in device.
The center rod is preferably formed as thread driver with coupling element, and the thread driver transports the rotation of center rod
The dynamic linear movement for being converted into coupling element.Center rod has external screw thread for this, and coupling element has corresponding internal thread.This two
Individual screw thread is preferably trapezoidal thread.This realizes the extremely simple and compact driver for contact element motion.
Brief description of the drawings
The present invention is expanded on further below according to accompanying drawing.In the accompanying drawings：
Fig. 1 is illustrated with the separated part for closing according to discharge device for overvoltage protection of the invention with section view；
Fig. 2 is illustrated with the separated part for disconnecting according to discharge device for overvoltage protection of the invention with section view；
Fig. 3 shows the detailed view of coupling element；
Fig. 4 shows the detailed view of separated part.
Specific embodiment
Corresponding part is equipped with identical reference in all of the figs.
Fig. 1 and Fig. 2 illustrates discharge device for overvoltage protection 1 with section view.Three are disposed with the housing 2 of Fluid Sealing to put
Electric device 5, they are provided for the threephase switch equipment of protective gas insulation.Arresting element 5 has the electric discharge of cylinder respectively
Post 12, the end-fitting 6 of on high-tension side end-fitting 7, ground side and multiple strain components 11.Discharge column 12 is by single, same
Sample is the piezoresistor block composition of cylinder.End-fitting 6,7 is constructed from a material that be electrically conducting mostly.Strain component 12 is made in pulling force
With being pushed down into end-fitting 6,7 and keep together thus by discharge column 12.Guarantor of the insertion with hole in discharge column 12
Hold disc 24, strain component 12 is directed through the hole and thus additionally stable discharging element 5.
Housing 2 is substantially cylindrical.The longitudinal axis 50 for defining axial direction extends along cylinder axis.The edge of arresting element 5
Longitudinal axis 50 is oriented.Housing 2 is sealed shut in two end face upper fluids.
In the ground side of arresting element 5, the end face of housing 2 is closed by simple case lid 22.Grounding contact 3 is electrically insulated
Ground passes through the case lid 22 to the external guidance of housing 2 and for being grounded from the inside of housing 2.It is described in the inside of housing 2
Grounding contact 3 is for example conductively connected with arresting element 5 by cable 13.The end-fitting 6 of ground side is fixed in case lid 22
And it is electrically insulated by the relative discharge post 12 of middleware 25 for insulating.Case lid 22 generally has the interface being not shown here, stream
Body, such as sulfur hexafluoride can be injected in housing 2 by the interface or discharged therefrom.Housing 2 can also be with other dresses
Put, such as service openings 21.
In the high-pressure connecting side of arresting element 5, the end face of housing 2 is equipped with bushing 14, so that high-voltage potential is existed
Housing 2 is introduced from outside into the case of risk breakdown not between high pressure and ground connection housing 2.Sleeve pipe 14 is designed as three herein
Pole sleeve pipe 14, it introduces in housing 2 three high-voltage contacts 4 that housing insulate relative to each other and relatively.By high-voltage contact 4,
Discharge device for overvoltage protection 1 can be connected in unshowned gas isolated threephase switch equipment herein.In housing 2
Portion, in stretching into the finger-shaped of high-voltage contact 4 housing 2.
The distance between on high-tension side end-fitting 7 and corresponding high-voltage contact 4 form separated part 10.The separation unit
Position 10 can be closed by contact element 9.The contact element 9 is cylindrical as pin or sleeve design and can be along axle
Moved in the drilling 26 of on high-tension side end-fitting 7.Here, drilling 26 and the mutually coordinated adaptation of contact element 9, so that
Machinery guiding is formd between contact element 9 and end-fitting 7 to be conductively connected with good.Alternately, slider can be with
Foundation is conductively connected.If contact element 9 is moved to high-voltage contact 4, separated part 10 is finally closed.Immediately from switchgear
It is conductively connected to being internally formed for housing 2 by high-voltage contact 4, by contact element 9, on high-tension side end-fitting 7, discharge column
12nd, earth cable 13 finally leads to the grounding contact 3 of ground connection.If contact element 9 is moved away from high-voltage contact 4, separation unit
10 are divided to open or off, and arresting element 5 is no longer conductively connected with high-voltage contact 4 and switchgear.
Contact element 9 is moved by slide device 8.The slide device has operation device 23, center rod 16, coupling
Close element 17 and drive link 15.The center rod 16 that operation device 23 outside housing 2 is imported in housing 2 with air seal
It is connected.Inside housing 2, coupling element 17 is disposed with center rod 16.Center rod 16 and coupling element 17 herein by with
Under type forms thread driver, i.e. center rod 16 has external screw thread and coupling element 17 has corresponding internal thread, for example
Trapezoidal thread.The arm 19 being radially outward directed is disposed with for each arresting element 5 on coupling element 17, in the outer end of arm 19
The connecting element 20 for accepting drive link 15 is disposed with portion.Fig. 3 shows this coupling element.Drive link 15 is fixed with one end
It is connected with contact element 9 in connecting element 20 and with the other end.Drive link 15 is as shown in Figure 4 with the connection of contact element 9
It is designed as elasticity.Therefore, drive link 15 is introduced into the drilling 30 of contact element 9.One blowout patche of annular 33 is formed and is used for
Here it is shown that the backstop of the spring 32 for helical spring, the spring 32 is through on the end of drive link 15.In drilling 30 to
Convex shoulder in the intermediate location of the bigger drilling 31 of diameter forms another backstop for spring 32.Drilling 31 is in end by plug
Son 34 is closed, and drive link 15 is directed through the stopper.The stopper 34 prevents drive link 15 to be drawn out drilling 31.If contact
Element 9 is moved by drive link 15 to high-voltage contact 4, then in the case where drive link 15 continues to be moved towards high-voltage contact, bullet
Spring 32 is just clamped between blowout patche 33 and convex shoulder between drilling 30 and 31 and produces contact element 9 to the pressure of high-voltage contact 4
Clamp force.
If rotary operating device 23, center rod 16 is in the internal rotating of housing 2 and the rotation fortune of operation device 23
It is dynamic to be transferred to drive link 15 by coupling element 17 and be therefore transferred to contact element 9.Here, separated part 10 is according to motion
Open or close in direction.
Claims (4)
1. a kind of discharge device for overvoltage protection (1) of the housing (2) with Fluid Sealing, the housing has grounding contact (3)
With high-voltage contact (4), wherein, the grounding contact (3) and high-voltage contact (4) are respectively by the inside of housing (2) and external conductive
Connection, the discharge device for overvoltage protection (1) also has the arresting element (5) being arranged in the housing of the Fluid Sealing (2),
The arresting element (5) with the discharge column (12) being clamped in by strain component (11) between two end-fittings (6,7), its
In, by the contact element (9) that can be vertically slid by slide device (8), can set up and cut off the grounding contact
(3) being conductively connected by the arresting element (5) and high-voltage contact (4), wherein, the contact element (9) is in end-fitting
It is directed in the drilling (26) of (6,7), it is characterised in that respectively with multiple arresting elements (5) cloth for contact element (9)
Put in housing (2), the housing (2) has a high-voltage contact (4) respectively for each arresting element (5), wherein, it is described
Multiple contact elements (9) can jointly slide by slide device (8).
2. discharge device for overvoltage protection (1) as described in claim 1, it is characterised in that the contact element (9) fills with sliding
(8) are put flexibly to be connected vertically.
3. discharge device for overvoltage protection (1) as described in claim 1 or 2, it is characterised in that the slide device (8) is directed to
Each arresting element (5) with the drive link (15) being connected with contact element (9), and with the internal gas from housing (2)
The center rod (16) that hermetically outwards guide and can be moved by operation device (23) outside housing (2), wherein, in order to
The movement of operation device (23) is passed into contact element (9), coupling element (17) and center rod (16) and drive link (15) phase
Even.
4. discharge device for overvoltage protection (1) as described in claim 3, it is characterised in that the center rod (16) with couple unit
Part (17) forms thread driver, and the convert rotational motion of center rod (16) is coupling element (17) by the thread driver
Linear movement.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012217310.2A DE102012217310A1 (en) | 2012-09-25 | 2012-09-25 | Surge arresters |
| DE102012217310.2 | 2012-09-25 | ||
| PCT/EP2013/068353 WO2014048691A1 (en) | 2012-09-25 | 2013-09-05 | Surge arrester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104641428A CN104641428A (en) | 2015-05-20 |
| CN104641428B true CN104641428B (en) | 2017-06-30 |
Family
ID=49253257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380048209.9A Active CN104641428B (en) | 2012-09-25 | 2013-09-05 | Discharge device for overvoltage protection |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP2885789B1 (en) |
| JP (1) | JP6025988B2 (en) |
| KR (1) | KR101733899B1 (en) |
| CN (1) | CN104641428B (en) |
| DE (1) | DE102012217310A1 (en) |
| WO (1) | WO2014048691A1 (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL2854141T3 (en) | 2013-09-30 | 2020-08-24 | Siemens Aktiengesellschaft | Surge arrester |
| EP3001430A1 (en) | 2014-09-29 | 2016-03-30 | Siemens Aktiengesellschaft | Surge absorber device |
| EP3043024A1 (en) | 2015-01-09 | 2016-07-13 | Siemens Aktiengesellschaft | Blade platform cooling and corresponding gas turbine |
| EP3048617B1 (en) | 2015-01-26 | 2020-08-12 | Siemens Aktiengesellschaft | Surge absorber |
| EP3131098B1 (en) * | 2015-08-12 | 2018-02-28 | Siemens Aktiengesellschaft | Enclosed surge voltage protector |
| CN105391027A (en) * | 2015-11-14 | 2016-03-09 | 彭伟成 | Transformer voltage protection device |
| DE102016202327A1 (en) * | 2016-02-16 | 2017-08-17 | Siemens Aktiengesellschaft | Drive arrangement for forming a separation path for a surge arrester |
| DE102016202329A1 (en) | 2016-02-16 | 2017-08-17 | Siemens Aktiengesellschaft | arrester |
| DE102016202326A1 (en) | 2016-02-16 | 2017-08-17 | Siemens Aktiengesellschaft | Drive device for a surge arrester |
| DE102016203109A1 (en) | 2016-02-26 | 2017-08-31 | Siemens Aktiengesellschaft | Surge arrester with means for measuring transient overvoltages |
| DE102016205792A1 (en) | 2016-04-07 | 2017-10-12 | Siemens Aktiengesellschaft | Electrical connector for a high voltage switching path and its use |
| DE102016206580A1 (en) * | 2016-04-19 | 2017-11-02 | Siemens Aktiengesellschaft | Arrangement for overvoltage protection of an electrical system insulated with an insulating liquid |
| DE102016217496B4 (en) | 2016-09-14 | 2020-10-08 | Siemens Aktiengesellschaft | On resistor arrangement |
| CN112368789B (en) * | 2018-06-15 | 2022-07-29 | 西门子能源全球有限公司 | Surge arrester with pressure relief device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4015228A (en) * | 1974-06-10 | 1977-03-29 | Matsushita Electric Industrial Co., Ltd. | Surge absorber |
| CN102565639A (en) * | 2010-12-16 | 2012-07-11 | Abb研究有限公司 | Component With Excess Voltage Protection And Method For Testing Same |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5123637A (en) * | 1974-07-19 | 1976-02-25 | Matsushita Electric Ind Co Ltd | HIRAIKI |
| JPS5421943B2 (en) * | 1974-06-10 | 1979-08-03 | ||
| JPS62278712A (en) * | 1986-05-26 | 1987-12-03 | 三菱電機株式会社 | Lightning arrestor circuit breaker |
| JPH0492382A (en) * | 1990-08-08 | 1992-03-25 | Toshiba Corp | Lightning arrester |
| JPH10322822A (en) | 1997-05-16 | 1998-12-04 | Toshiba Corp | Lightning arrestor for gas insulated switchgear |
| JP2009266834A (en) * | 2008-04-21 | 2009-11-12 | Mitsubishi Electric Corp | Fault display unit for lightning arresting device for power transmission, and lightning protection device for power transmission |
| DE102011077394A1 (en) | 2011-06-10 | 2012-12-13 | Siemens Aktiengesellschaft | Surge arresters |
-
2012
- 2012-09-25 DE DE102012217310.2A patent/DE102012217310A1/en not_active Withdrawn
-
2013
- 2013-09-05 JP JP2015532362A patent/JP6025988B2/en active Active
- 2013-09-05 EP EP13766914.9A patent/EP2885789B1/en active Active
- 2013-09-05 WO PCT/EP2013/068353 patent/WO2014048691A1/en active Application Filing
- 2013-09-05 CN CN201380048209.9A patent/CN104641428B/en active Active
- 2013-09-05 KR KR1020157007538A patent/KR101733899B1/en not_active Application Discontinuation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4015228A (en) * | 1974-06-10 | 1977-03-29 | Matsushita Electric Industrial Co., Ltd. | Surge absorber |
| CN102565639A (en) * | 2010-12-16 | 2012-07-11 | Abb研究有限公司 | Component With Excess Voltage Protection And Method For Testing Same |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20150048191A (en) | 2015-05-06 |
| JP6025988B2 (en) | 2016-11-16 |
| DE102012217310A1 (en) | 2014-03-27 |
| KR101733899B1 (en) | 2017-05-08 |
| EP2885789B1 (en) | 2024-03-20 |
| WO2014048691A1 (en) | 2014-04-03 |
| CN104641428A (en) | 2015-05-20 |
| EP2885789C0 (en) | 2024-03-20 |
| JP2015537369A (en) | 2015-12-24 |
| EP2885789A1 (en) | 2015-06-24 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211223 Address after: Munich, Germany Patentee after: Siemens energy Global Ltd. Address before: Munich, Germany Patentee before: SIEMENS AG |