CN104641428A - Surge arrester - Google Patents
Surge arrester Download PDFInfo
- Publication number
- CN104641428A CN104641428A CN201380048209.9A CN201380048209A CN104641428A CN 104641428 A CN104641428 A CN 104641428A CN 201380048209 A CN201380048209 A CN 201380048209A CN 104641428 A CN104641428 A CN 104641428A
- 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.)
- Granted
Links
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 description 4
- 238000009413 insulation Methods 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
- 230000005611 electricity Effects 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001419 dependent effect Effects 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
- 239000012212 insulator Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material 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
- 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
- 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 invention relates to a surge arrester (1) having a fluid-tight housing (2). The housing has a ground contact (3) and a high-voltage contact (4), wherein the ground contact (3) and the high-voltage contact (4) each electrically connect the interior to the exterior of the housing (2). A discharge element (5) arranged in the housing (2) has a discharge column clamped between two end fittings (6, 7) by means of tension elements (11). An electrical connection of the ground contact (3) to the high-voltage contact (4) via the discharge element (5) can be established or interrupted from outside the housing (2) by means of a contact element (9) that can be moved in an axial direction by means of a moving apparatus (8). According to the invention, the contact element (9) is guided in a bore (26) of an end fitting (6, 7). Thus, the surge arrester (1) can be made very compact. In addition, a mechanically simple yet reliable design is possible due to the guidance of the contact element (9) in the bore (26) of the end fitting (6, 7).
Description
The present invention relates to a kind of discharge device for overvoltage protection as described in the preamble according to claim 1.
Discharge device for overvoltage protection is such as the protection system of switchgear, and they guide overvoltage into ground when there is overvoltage due to thunderbolt or other parts system jam and other component of protection switch equipment thus.
This discharge device for overvoltage protection comprises one or more cylindrical discharge element, they have by single be the varistor post that columniform varistor element is formed equally.The feature of described varistor element is voltage dependent resistor.When voltage is lower, varistor element is used as insulator.From a certain threshold voltage relevant to material, varistor element has good conductivity.Varistor element usually by metal oxide as zinc oxide is made.Arresting element is limited by end-fitting at two ends, and described end-fitting sets up the conductive contact with switchgear and ground.In order to also guarantee good conductive contact when being subject to mechanical load, varistor post must be kept together by pressure.This can realize in the following manner, that is, strain component such as rope or the bar made by the preferred plastics strengthened by glass fibre are clamped in end-fitting under a stretching force.Strain component surrounds varistor post and the retainer formed thus around varistor post at this.
In order to be used in gas isolated switchgear, discharge device for overvoltage protection has the housing of Fluid Sealing, and described housing surrounds arresting element.At this, in order to improve anti-breakdown intensity, with fluid, be mostly sulphur hexafluoride filling housing.Described housing is made up of metal and ground connection conductively mostly.An end-fitting of discharge column is by being directed through the contact ground connection of housing.Another end-fitting to be conducted electricity with the contact being in hull outside by sleeve pipe and is connected, and described contact is for being connected to switchgear.
If answer charged ground sense switch equipment, then because discharge device for overvoltage protection must be separated with switchgear by occurred high pressure.Otherwise discharge device for overvoltage protection can be guided voltage into ground and make measurement result make mistakes.
The hitherto known discharge device for overvoltage protection with separated part, can be separated discharge device for overvoltage protection with switchgear at separated part place.In order to operate this separated part, must housing be opened, sulphur hexafluoride may be made thus to flow out.This extremely undesirably occurs and is therefore disadvantageous, because sulphur hexafluoride is harmful greenhouse gases.
By the known a kind of discharge device for overvoltage protection according to type of the present invention of JP 10322822-A, wherein, by making the device be made up of discharge column and control cover jointly move and set up or cut off conduction connection thus discharge column is separated with switchgear.At this, in order to operate, with carrying out air seal through the linear movement of housing wall.
Be describe a kind of discharge device for overvoltage protection in the international application of PCT/EP2012/059973 at application number, wherein, control cover and can move relative to arresting element and open thus or closed separated part.
The shortcoming of solution of the prior art is, needs complicated mechanical structure, and needs move larger quality and space requirement is larger.
Technical problem to be solved by this invention is, provides a kind of compact discharge device for overvoltage protection, and it has and from the separated part of peripheral operation, can have simple mechanical structure while needing the quality of movement little as far as possible.
This technical problem is solved by technical scheme according to claim 1 by the present invention.
The present invention defines a kind of discharge device for overvoltage protection with the housing of Fluid Sealing at this.Described housing has grounding contact and high-voltage contact, and wherein, the inside of housing is connected with external conductive by described grounding contact and high-voltage contact respectively.The arresting element be arranged in housing has and is clamped in discharge column between two end-fittings by strain component.By can by the contact element of slide device slippage vertically, can set up from the outside of housing or cut off described grounding contact via or be connected with the conduction of high-voltage contact by described arresting element.According to the present invention, described contact element is guided in the boring of end-fitting.Can discharge device for overvoltage protection be designed closely thus.In addition, because contact element is guided in the boring of end-fitting, simply mechanical but reliable structure can be realized.
In a kind of favourable design of the present invention, described contact element is flexibly connected vertically with slide device.The length tolerance of slide device can be compensated thus in a straightforward manner when calibrator (-ter) unit that need not be complicated.
In addition preferably, have respectively a contact element multiple, especially three arresting elements be arranged in housing.At this, described housing has a high-voltage contact respectively for each arresting element, and described multiple contact element can by the common slippage of slide device.Can construct the sealed type discharge device for overvoltage protection of multipole thus in a straightforward manner, it has exclusive separated part for each, but these separated parts can co-operate.
Particularly advantageously, described slide device has the drive link be connected with contact element for each arresting element.In addition, slide device has from the outwards guiding and can by the center rod of operating means movement in outside hermetically of the internal gas of housing.At this, in order to the movement of operating means is passed to contact element, coupling element is connected with drive link with center rod.Thus can in a particularly simple way by unique operating means from the multiple separated parts in outside switching overvoltage arrester.
Described center rod and coupling element are preferably formed thread driver, and the convert rotational motion of center rod is the linear movement of coupling element by described thread driver.Center rod has external screw thread for this reason, and coupling element has corresponding internal thread.These two screw threads are preferably trapezoidal thread.This achieve the driver simple and compact especially for contact element motion.
Below the present invention is set forth further with reference to the accompanying drawings.In the accompanying drawings:
Fig. 1 with cutaway view illustrate have closed separated part according to discharge device for overvoltage protection of the present invention;
Fig. 2 illustrate with cutaway view the separated part with disconnection according to discharge device for overvoltage protection of the present invention;
Fig. 3 illustrates the detailed view of coupling element;
Fig. 4 illustrates the detailed view of separated part.
Corresponding parts are equipped with identical Reference numeral in all of the figs.
Fig. 1 and Fig. 2 illustrates discharge device for overvoltage protection 1 with cutaway view.In the housing 2 of Fluid Sealing, be furnished with three arresting elements 5, they are arranged for the protection of gas isolated threephase switch equipment.Arresting element 5 has columniform discharge column 12, on high-tension side end-fitting 7, the end-fitting 6 of ground side and multiple strain component 11 respectively.Discharge column 12 by single, be that columniform varistor block forms equally.End-fitting 6,7 is made up of electric conducting material mostly.Strain component 12 to be pressed under a stretching force in end-fitting 6,7 and to be kept together by discharge column 12 thus.Insert in discharge column 12 and have the maintenance disc 24 in hole, strain component 12 is directed through described hole and additionally stable discharging element 5 thus.
Housing 2 is essentially cylindrical.The longitudinal axis 50 of definition axis extends along cylinder axis.Arresting element 5 is 50 orientations longitudinally.Housing 2 fluid on two end faces is sealed shut.
In the ground side of arresting element 5, the end face of housing 2 is closed by simple case lid 22.Grounding contact 3 electric insulation ground passes this case lid 22 to the external guidance of housing 2 and for ground connection from the inside of housing 2.In the inside of housing 2, described grounding contact 3 and arresting element 5 are such as conducted electricity by cable 13 and are connected.The end-fitting 6 of ground side to be fixed in case lid 22 and by middleware 25 relative discharge post 12 electric insulation of insulation.Case lid 22 has at this unshowned interface usually, and fluid, such as sulphur hexafluoride can be injected in housing 2 or from wherein discharging by this interface.Housing 2 can also have other device, as service openings 21.
At the high-pressure connecting side of arresting element 5, the end face of housing 2 is equipped with bushing 14, high-voltage potential is introduced housing 2 when not having the risk breakdown between high pressure and ground connection housing 2 from outside.Sleeve pipe 14 is designed to three pole sleeve pipes 14 at this, its by three relative to each other and the high-voltage contact 4 of relatively housing insulation introduce in housing 2.By high-voltage contact 4, discharge device for overvoltage protection 1 can be connected to herein on unshowned gas isolated threephase switch equipment.In the inside of housing 2, stretch in housing 2 to high-voltage contact 4 finger-shaped.
Distance between on high-tension side end-fitting 7 and corresponding high-voltage contact 4 forms separated part 10.Described separated part 10 can be closed by contact element 9.Described contact element 9 is cylindrical as pin or sleeve design and can moves in the boring 26 of on high-tension side end-fitting 7 vertically.At this, boring 26 and contact element 9 mutually coordinate adaptation, thus define between contact element 9 and end-fitting 7 machinery guiding be connected with good conduction.As alternative, sliding contact can be set up conduction and connect.If contact element 9 moves to high-voltage contact 4, then separated part 10 finally closes.Connected by the inside formation conduction of high-voltage contact 4 to housing 2 from switchgear immediately, finally led to the grounding contact 3 of ground connection by contact element 9, on high-tension side end-fitting 7, discharge column 12, earth cable 13.If contact element 9 moves away from high-voltage contact 4, then separate section 10 is opened or is disconnected, and arresting element 5 no longer conducts electricity with high-voltage contact 4 and switchgear and is connected.
Contact element 9 moves by slide device 8.Described slide device has operating means 23, center rod 16, coupling element 17 and drive link 15.The operating means 23 being in housing 2 outside and air seal the center rod 16 imported in housing 2 be connected.Inner at housing 2, center rod 16 is furnished with coupling element 17.Center rod 16 and coupling element 17 form thread driver in the following manner at this, that is, center rod 16 has external screw thread and coupling element 17 has corresponding internal thread, such as trapezoidal thread.Coupling element 17 is furnished with for each arresting element 5 arm 19 radially outward pointed to, the outer end of arm 19 is furnished with the Connection Element 20 for accepting drive link 15.Fig. 3 illustrates this coupling element.Drive link 15 to be fixed in Connection Element 20 with one end and to be connected with contact element 9 with the other end.Drive link 15 is designed to flexible with the connection of contact element 9 as shown in Figure 4.For this reason, drive link 15 is introduced in the boring 30 of contact element 9.An annular blowout patche 33 forms the backstop being used for being shown as helical spring spring 32 at this, and described spring 32 is through on the end of drive link 15.Be in boring 30 and form another backstop for spring 32 to the convex shoulder in the intermediate location of the larger boring 31 of diameter.Boring 31 is closed by stopper 34 in end, and drive link 15 is directed through described stopper.Described stopper 34 prevents drive link 15 to be drawn out boring 31.If contact element 9 moves to high-voltage contact 4 by drive link 15, then when drive link 15 continues to move towards high-voltage contact, spring 32 to be just clamped between boring 30 and 31 and to produce the thrust of contact element 9 pairs of high-voltage contact 4 between blowout patche 33 and convex shoulder.
If rotary operating device 32, then center rod 16 at the internal rotating of housing 2 and the rotary motion of operating means 23 be passed to drive link 15 by coupling element 17 and be therefore passed to contact element 9.At this, separated part 10 is opened according to the direction of motion or is closed.
Claims (5)
1. one kind has the discharge device for overvoltage protection (1) of the housing (2) of Fluid Sealing, described housing has grounding contact (3) and high-voltage contact (4), wherein, the inside of housing (2) is connected with external conductive with high-voltage contact (4) by described grounding contact (3) respectively, described discharge device for overvoltage protection (1) also have be arranged in described Fluid Sealing housing (2) in arresting element (5), described arresting element (5) has and is clamped in two end-fittings (6 by strain component (11), 7) discharge column (12) between, wherein, by can by the contact element (9) of slide device (8) slippage vertically, can set up or cut off described grounding contact (3) to be connected by the conduction of described arresting element (5) with high-voltage contact (4), it is characterized in that, described contact element (9) is at end-fitting (6, 7) be guided in boring (26).
2., by discharge device for overvoltage protection according to claim 2 (1), it is characterized in that, described contact element (9) is flexibly connected vertically with slide device (8).
3. by the discharge device for overvoltage protection (1) described in claim 1 or 2, it is characterized in that, multiple arresting elements (5) respectively with a contact element (9) are arranged in housing (2), described housing (2) has a high-voltage contact (4) respectively for each arresting element (5), wherein, described multiple contact element (9) can by the common slippage of slide device (8).
4. by discharge device for overvoltage protection according to claim 3 (1), it is characterized in that, described slide device (8) has the drive link (15) be connected with contact element (9) for each arresting element (5), and have from the outwards guiding and the center rod (16) of operating means (23) movement can be passed through in housing (2) outside hermetically of the internal gas of housing (2), wherein, in order to the movement of operating means (23) is passed to contact element (9), coupling element (17) is connected with drive link (15) with center rod (16).
5. by discharge device for overvoltage protection according to claim 4 (1), it is characterized in that, described center rod (16) and coupling element (17) form thread driver, and the convert rotational motion of center rod (16) is the linear movement of coupling element (17) by described thread driver.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012217310.2 | 2012-09-25 | ||
| DE102012217310.2A DE102012217310A1 (en) | 2012-09-25 | 2012-09-25 | Surge arresters |
| PCT/EP2013/068353 WO2014048691A1 (en) | 2012-09-25 | 2013-09-05 | Surge arrester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104641428A true CN104641428A (en) | 2015-05-20 |
| CN104641428B 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) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105391027A (en) * | 2015-11-14 | 2016-03-09 | 彭伟成 | Transformer voltage protection device |
| CN108701970A (en) * | 2016-02-16 | 2018-10-23 | 西门子股份公司 | It is used to form the driving device of the distance piece for discharge device for overvoltage protection |
| CN109313995A (en) * | 2016-04-19 | 2019-02-05 | 西门子股份公司 | For carrying out the device of overvoltage protection to the electric utility to insulate using dielectric |
| CN112368789A (en) * | 2018-06-15 | 2021-02-12 | 西门子股份公司 | Surge arrester with pressure relief device |
Families Citing this family (10)
| 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 |
| 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 |
| DE102016217496B4 (en) | 2016-09-14 | 2020-10-08 | Siemens Aktiengesellschaft | On resistor arrangement |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50157851A (en) * | 1974-06-10 | 1975-12-20 | ||
| JPS5123637A (en) * | 1974-07-19 | 1976-02-25 | Matsushita Electric Ind Co Ltd | HIRAIKI |
| US4015228A (en) * | 1974-06-10 | 1977-03-29 | Matsushita Electric Industrial Co., Ltd. | Surge absorber |
| 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 |
| 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 WO PCT/EP2013/068353 patent/WO2014048691A1/en active Application Filing
- 2013-09-05 EP EP13766914.9A patent/EP2885789B1/en active Active
- 2013-09-05 KR KR1020157007538A patent/KR101733899B1/en not_active Application Discontinuation
- 2013-09-05 JP JP2015532362A patent/JP6025988B2/en active Active
- 2013-09-05 CN CN201380048209.9A patent/CN104641428B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50157851A (en) * | 1974-06-10 | 1975-12-20 | ||
| US4015228A (en) * | 1974-06-10 | 1977-03-29 | Matsushita Electric Industrial Co., Ltd. | Surge absorber |
| JPS5123637A (en) * | 1974-07-19 | 1976-02-25 | Matsushita Electric Ind Co Ltd | HIRAIKI |
| 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 |
| 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 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105391027A (en) * | 2015-11-14 | 2016-03-09 | 彭伟成 | Transformer voltage protection device |
| CN108701970A (en) * | 2016-02-16 | 2018-10-23 | 西门子股份公司 | It is used to form the driving device of the distance piece for discharge device for overvoltage protection |
| CN108701970B (en) * | 2016-02-16 | 2020-09-04 | 西门子股份公司 | Drive device for forming a separation section for a surge arrester |
| CN109313995A (en) * | 2016-04-19 | 2019-02-05 | 西门子股份公司 | For carrying out the device of overvoltage protection to the electric utility to insulate using dielectric |
| CN112368789A (en) * | 2018-06-15 | 2021-02-12 | 西门子股份公司 | Surge arrester with pressure relief device |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015537369A (en) | 2015-12-24 |
| DE102012217310A1 (en) | 2014-03-27 |
| WO2014048691A1 (en) | 2014-04-03 |
| KR101733899B1 (en) | 2017-05-08 |
| EP2885789A1 (en) | 2015-06-24 |
| EP2885789B1 (en) | 2024-03-20 |
| JP6025988B2 (en) | 2016-11-16 |
| EP2885789C0 (en) | 2024-03-20 |
| CN104641428B (en) | 2017-06-30 |
| KR20150048191A (en) | 2015-05-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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 |