WO2011052010A1 - タンク形真空遮断器 - Google Patents
タンク形真空遮断器 Download PDFInfo
- Publication number
- WO2011052010A1 WO2011052010A1 PCT/JP2009/005741 JP2009005741W WO2011052010A1 WO 2011052010 A1 WO2011052010 A1 WO 2011052010A1 JP 2009005741 W JP2009005741 W JP 2009005741W WO 2011052010 A1 WO2011052010 A1 WO 2011052010A1
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- conductor
- fixed
- tank
- movable
- pressure tank
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
-
- 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
- H02B13/0354—Gas-insulated switchgear comprising a vacuum switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
- H01H2033/6665—Details concerning the mounting or supporting of the individual vacuum bottles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
Definitions
- This invention relates to a tank-type vacuum circuit breaker used for electric power equipment and the like.
- the movable side end of the vacuum valve is fixed to one end of the tank via a contact case and an insulating support cylinder, and the fixed side end of the vacuum valve is connected to the contact case and support insulator. And fixed to the other end of the tank.
- a bushing conductor is connected to each of the movable and fixed contact cases.
- the inside of the vacuum valve is equipped with a movable conductor connected to the coupling mechanism of the operating device attached to the outside of the tank movable side end, and a fixed conductor that can be contacted and separated from the movable conductor.
- An energization path is formed by the side contact case, the movable conductor and the fixed conductor of the vacuum valve, the fixed side contact case, and the fixed side bushing conductor.
- the bushing conductor is pulled out of the contact case by separating the movable and fixed bushings from the tank, and the fixed side end of the tank is opened.
- the vacuum valve is removed from the movable side by removing the operation box, operation device, and connecting mechanism attached to the movable side of the tank by removing the support on the fixed side of the vacuum valve. Since the replacement of the valve has many parts to be disassembled, workability is poor, and from the viewpoint that there are many parts to be disassembled, the reliability of the equipment may be lowered after the replacement of the vacuum valve.
- the present invention has been made to solve the above-described problems, and provides a tank-type vacuum circuit breaker that can improve the workability by replacing a vacuum valve with a structure that can reduce the number of disassembly points. Is.
- the fixed end of the vacuum valve is supported on the tank fixing side via the insulating support member and the support frame, or the fixed end of the vacuum valve is tanked via the insulating support bar.
- An insulating support member that is supported on the movable side and supports the movable end of the vacuum valve is omitted.
- the tank is characterized in that an opening is provided on the movable side, and the bushing center conductor has a sliding connection portion that can extend and contract in the axial direction.
- the insertion portion of the contact case for inserting the bushing center conductor has a structure that can be detached from the contact case by bolt fastening or the like. It is said.
- the vacuum valve when replacing the vacuum valve, the vacuum valve can be removed from the tank without separating the bushing from the tank, or without removing the operating device attached to the outside of the movable side of the tank or its connecting mechanism. Since it can be taken in and out from the movable side, it is possible to improve the workability of replacing the vacuum shut-off part.
- Embodiment 1 of this invention It is sectional drawing which shows the tank type vacuum circuit breaker in Embodiment 1 of this invention. It is a top view for demonstrating the support frame attachment structure of Embodiment 1 of this invention. It is a perspective view for demonstrating the conductor connection part of Embodiment 1 of this invention. It is sectional drawing which shows the tank type vacuum circuit breaker in Embodiment 2 of this invention. It is a perspective view for demonstrating the conductor insertion part of Embodiment 2 of this invention. It is sectional drawing which shows the tank type vacuum circuit breaker in Embodiment 3 of this invention.
- Embodiment 1 FIG.
- FIG. 1 is a cross-sectional view showing a tank type vacuum circuit breaker in the best mode for carrying out the present invention.
- FIG. 2 is a plan view showing a mounting structure of a support frame and a tank fixing the vacuum valve shown in FIG.
- an embodiment for carrying out the present invention will be described with reference to the drawings.
- an electrically grounded tank 21 is installed with a trunk portion 21 c horizontal, and a pair of openings 21 a and 21 b are provided above the tank 21, and are coaxial with the respective openings.
- the current transformers 35a and 35b and the current transformer covers 36a and 36b are installed, and the pipes 34a and 34b are attached to the ends of the respective openings.
- Openings 21d and 21e are provided at both ends of the tank 21, and an opening 21f is provided at the lower movable side of the tank 21.
- a lid plate 22, 23 and 24 are attached.
- the inside of the tank requires airtightness because dry air having a pressure different from the atmospheric pressure or gas having high electrical insulation is applied.
- a vacuum valve 61 is installed in the tank 21 through the body 21c and a gap.
- the vacuum valve 61 is accommodated in a cylindrical vacuum container 62 including insulating cylinders 62 a and 62 b made of ceramic and the like, and one end hermetically seals the fixed side end 62 c of the vacuum container 62.
- a fixed conductor 64 joined to the end plate 63 and a bellows 66 provided so as to be able to contact and separate from the fixed conductor 64 and attached to the movable side end portion 62d of the vacuum vessel 62 to the outside of the vacuum vessel 62.
- the movable conductor 65 extends.
- a fixed contact 64a and a movable contact 65a are formed at portions where the fixed conductor 64 and the movable conductor 65 are in contact with each other.
- the end plate 63, the fixed conductor 64, and the movable conductor 65 are made of a conductive metal such as a copper alloy or an aluminum alloy.
- the vacuum container 62, the end plate 63, the bellows 66, and the movable conductor 65 form a sealed container, and the vacuum valve 61 is kept in a vacuum.
- An operating device 49 that opens and closes the fixed contact 64a and the movable contact 65a is provided outside the tank 21 and is housed in the operation box 50.
- the operating device 49 opens and closes the fixed contact 64a and the movable contact 65a by moving the movable conductor 65 connected through the operation rod 48 and the insulating rod 46 penetrating the bellows 25 in the horizontal direction.
- the bellows 66 follows the movement of the movable conductor 65, the vacuum in the vacuum valve 61 is maintained, and the bellows 25 follows the movement of the operation rod 48, so the confidentiality in the tank 21 is maintained.
- the insulating rod 46 is connected to the movable conductor 65 and the operation rod 48 by a pin 47 while ensuring an insulation distance capable of electrically insulating the movable conductor 65 and the operation rod 48.
- a fixed side shield 43 and a movable side shield 44 are provided, and the movable side shield 44 and the movable conductor are electrically connected via a contactor 45.
- the fixed-side shield 43 is disposed so as to cover the fixed-side end portion 62c of the vacuum valve 61, and is connected to the fixed-side end plate 63.
- the movable shield 44 is disposed so as to cover the movable end 62 d of the vacuum valve 61 and the end of the movable conductor 65, and is connected to the movable end plate 67 of the vacuum valve 61.
- Electric field concentration at the fixed side end 62c and the movable side end 62d of the vacuum valve 61 by providing the shapes of the fixed side shield 43 and the movable side shield 44 so as to cover the fixed side end 62c and the movable side end 62d. Can be relaxed.
- the fixed shield 43 is attached to a support frame 41 via an insulating support member 42.
- the support frame 41 is attached to a mounting seat 21g fixed to the tank 21 with bolts 51 as shown in FIG. It is fixed.
- Insertion portions 43a and 44a into which the lower ends of the lower conductor 32a and the lower conductor 32b are inserted are provided above the fixed side shield 43 and the movable side shield 44, respectively.
- the upper ends of the lower conductor 32a and the lower conductor 32b are inserted and connected to the lower ends of the upper conductor 31a and the upper conductor 31b, respectively.
- the upper conductor 31a and the lower conductor 32a, the upper conductor 31b and the lower conductor 32b, the lower conductor 32a and the insertion portion 43a, and the contact portion between the lower conductor 32b and the insertion portion 43b are self-
- a contact 33 composed of a large number of conductor leaf spring pieces having contact pressure due to the deformation spring force is interposed, and each contact portion can slide in the axial direction of the conductor.
- FIG. 3 shows one form of the contactor 33.
- Terminal plates 30a and 30b are fixed to the upper ends of the upper conductor 31a and the upper conductor 31b by means such as bolt fastening or welding, respectively. Seal the top of the.
- the insulating rod 46 is separated from the operation rod 48 by removing the respective cover plates 22 and 23 of the openings 21d and 21f of the tank 21 and removing the pin 47 of the insulating rod 46.
- the lower conductors 32a and 32b are pulled upward along the axial direction of the lower conductors 32a and 32b until they are disconnected from the insertion portions 43a and 44a, respectively, and are held by an assembly jig or the like. Since the integrated structure from the insulating rod 46 including the vacuum valve 61 to the support frame 41 is thus separated from the insulating rod 46, the lower conductor 32a, and the lower conductor 32b, the support frame 41 is held by the assembly jig.
- the fastening of the bolt 51 between the support frame 41 and the mounting seat 21g of the tank 21 is released, the structure including the vacuum valve 61 is pulled out horizontally from the opening 21d, and the vacuum valve is replaced.
- the reassembly is performed in the reverse process of the above disassembly process. That is, an integrated structure from the insulating rod 46 including the vacuum valve 61 to the support frame 41 is inserted into the tank 21, and the support frame 41 and the mounting seat 21 g of the tank 21 are fixed with the bolts 51.
- the contact 33 is composed of a large number of conductor leaf spring pieces. However, if the contact is slidable in the axial direction of the conductor, for example, a conductor coil spring is wound around the conductor. The same effect can be achieved with the attached method.
- FIG. 4 is a diagram for explaining a tank-type vacuum circuit breaker according to Embodiment 2 for carrying out the present invention.
- Adapters 53 a and 53 b into which the conductor 52 a and the conductor 52 b are inserted are bolted to the fixed shield 43 and the movable shield 44.
- FIG. 5 shows adapters 53a and 53b, and a bolt insertion hole 54 is arranged around an insertion portion located at the center.
- a contactor 33 as shown in FIG. 3 is arranged at the contact portion between the conductors 52a and 52b and the adapters 53a and 53b.
- Other structures are the same as those in the first embodiment.
- the insulating rod 46 is separated from the operating rod 48 by removing the respective lid plates 22 and 23 of the openings 21 d and 2 nu f of the tank 21 and removing the pins 47 of the insulating rod 46.
- the adapters 53a and 53b are separated from the fixed side shield 43 and the movable side shield 44 by removing all the bolts of the adapters 53a and 53b.
- the integrated structure from the insulating rod 46 including the vacuum valve 61 to the support frame 41 is separated from the operation rod 48, the conductor 52a, and the conductor 52b, so that the support frame 41 is held in the assembly jig while being supported.
- the fastening of the bolt 51 between the frame 41 and the mounting seat 21g of the tank 21 is released, the structure including the vacuum valve 61 is pulled out horizontally from the opening 21d, and the vacuum valve 61 is replaced.
- the reassembly is performed in the reverse process of the above disassembly process. That is, an integrated structure from the insulating rod 46 including the vacuum valve 61 to the support frame 41 is inserted into the tank 21, and the support frame 41 and the mounting seat 21 g of the tank 21 are fixed with the bolts 51.
- FIG. 6 is a view for explaining a tank-type vacuum circuit breaker according to Embodiment 3 for carrying out the present invention.
- a fixed shield 43 and a movable shield 44 are attached to both ends of the vacuum valve 61 via an end plate 63 and an end plate 67, respectively.
- the fixed side shield 43 is fixed to the lid plate 24 of the movable side opening 21e of the tank 21 by fixing the other end of the insulating support rod 55 attached by the bolt 56, so that the vacuum valve 61 is brought into a predetermined position in the tank 21. keeping.
- Other structures are the same as those in the first embodiment.
- the insulating rod 46 is separated from the operating rod 48 by removing the respective cover plates 22 and 23 of the openings 21d and 21f of the tank 21 and removing the pins 47 of the insulating rod 46.
- the lower conductors 32a and 32b are pulled upward along the axial direction of the lower conductors 32a and 32b until they are disconnected from the insertion portions 43a and 44a, respectively, and are held by an assembly jig or the like.
- the integrated structure from the insulating rod 46 including the vacuum valve 61 to the support frame 41 is separated from the operation rod 48 and the lower conductors 32a and 32b. Therefore, the bolt 56 of the fixed shield 44 is removed and the vacuum valve is removed.
- the structure including 61 is pulled out horizontally from the opening 21d, and the vacuum valve is replaced.
- the reassembly is performed in the reverse process of the above disassembly process. That is, an integrated structure from the insulating rod 46 including the vacuum valve 61 to the support frame 41 is inserted into the tank 21, and the fixed shield 44 and the insulating support rod 55 are fixed with the bolts 56.
- the insulating rod 46 and the operating rod 48 are connected by the pin 47, the lower conductors 32a and 32b are inserted into the insertion portions 43a and 44a, respectively, and the cover plates 22 and 23 are attached, the reassembly is completed.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
Description
この発明は、上記のような問題点を解決するためになされたものであり、分解箇所を低減できる構造にすることで、真空バルブを取り替え作業性の向上を図れるタンク形真空遮断器を提供するものである。
また、上記のブッシング中心導体の伸縮可能な摺動接続部の代替として、ブッシング中心導体を挿入するコンタクトケースの挿入部が、ボルト締結などによりコンタクトケースから着脱可能な構造になっていることを特徴としている。
なお、本実施の形態においては、接触子33に多数の導体板ばね片で構成される接触子を用いたが、導体の軸方向に摺動可能であれば、たとえば導体コイルばねを導体に巻きつけた方式などでも同様の効果を奏する。
実施の形態2.
実施の形態3.
Claims (5)
- 電気的に接地され、複数の開口部を有する、絶縁性ガスを封入された圧力タンクと、
一端が前記圧力タンクに接続され、他端が端子導体により気密封止された碍管と、
前記圧力タンクに設けられ、固定導体およびこの固定導体と接離可能に設けられた可動導体を収容する真空バルブと、
前記碍管内に同軸に配設した、前記端子導体に接続されている引出導体と、
前記引出導体と、前記固定導体および前記可動導体との間を接続すると接続導体と、
前記可動導体に接続された絶縁ロッドを介して前記可動導体を駆動する開閉手段と、
を備えたタンク形真空遮断器において、
前記真空バルブの固定側端を支持する絶縁支持部材が前記圧力タンクの固定側開口部近傍で着脱可能に前記圧力タンクに取り付けられ、
前記引出導体と前記接続導体が前記引出導体の軸方向に摺動可能で、
かつ軸方向に摺動可能な接続部を少なくとも1箇所前記引出導体に配設したことを特徴としたタンク形真空遮断器。 - 電気的に接地され、複数の開口部を有する、絶縁性ガスを封入された圧力タンクと、
一端が前記圧力タンクに接続され、他端が端子導体により気密封止された碍管と、
前記圧力タンクに設けられ、固定導体およびこの固定導体と接離可能に設けられた可動導体を収容する真空バルブと、
前記碍管内に同軸に配設した、前記端子導体に接続されている引出導体と、
前記引出導体と、前記固定導体および前記可動導体との間を接続すると接続導体と、
前記可動導体に接続された絶縁ロッドを介して前記可動導体を駆動する開閉手段と、
を備えたタンク形真空遮断器において、
前記真空バルブの固定側端を支持する絶縁支持部材が前記圧力タンクの固定側開口部近傍で着脱可能に前記圧力タンクに取り付けられ、
前記引出導体と前記接続導体を接続するアダプタを有し、前記アダプタが前記接続導体から着脱可能である締結手段を有することを特徴としたタンク形真空遮断器。 - 電気的に接地され、複数の開口部を有する、絶縁性ガスを封入された圧力タンクと、
一端が前記圧力タンクに接続され、他端が端子導体により気密封止された碍管と、
前記圧力タンクに設けられ、固定導体およびこの固定導体と接離可能に設けられた可動導体を収容する真空バルブと、
前記碍管内に同軸に配設した、前記端子導体に接続されている引出導体と、
前記引出導体と、前記固定導体および前記可動導体との間を接続すると接続導体と、
前記可動導体に接続された絶縁ロッドを介して前記可動導体を駆動する開閉手段と、
を備えたタンク形真空遮断器において、
前記圧力タンクに固定された絶縁支持部材と前記真空バルブの固定側端との接続部が前記圧力タンクの固定側開口部近傍で着脱可能な締結手段を有し、
前記引出導体と前記接続導体が前記引出導体の軸方向に摺動可能で、
かつ軸方向に摺動可能な接続部を少なくとも1箇所前記引出導体に配設したことを特徴としたタンク形真空遮断器。 - 電気的に接地され、複数の開口部を有する、絶縁性ガスを封入された圧力タンクと、
一端が前記圧力タンクに接続され、他端が端子導体により気密封止された碍管と、
前記圧力タンクに設けられ、固定導体およびこの固定導体と接離可能に設けられた可動導体を収容する真空バルブと、
前記碍管内に同軸に配設した、前記端子導体に接続されている引出導体と、
前記引出導体と、前記固定導体および前記可動導体との間を接続すると接続導体と、
前記可動導体に接続された絶縁ロッドを介して前記可動導体を駆動する開閉手段と、
を備えたタンク形真空遮断器において、
前記圧力タンクに固定された絶縁支持部材と前記真空バルブの固定側端との接続部が前記圧力タンクの固定側開口部近傍で着脱可能な締結手段を有し、
前記引出導体と前記固定導体および可動導体を接続するアダプタを有し、前記引出導体と前記接続導体を接続するアダプタを有し、前記アダプタが前記接続導体から着脱可能である締結手段を有することを特徴としたタンク形真空遮断器。 - 前記圧力タンク可動側の前記絶縁ロッドの存在位置に、開口部を設けたことを特徴とした請求項1ないし4のいずれか一項に記載のタンク形真空遮断器。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200980162302.6A CN102598445B (zh) | 2009-10-29 | 2009-10-29 | 箱形真空断路器 |
DE112009005337.8T DE112009005337B4 (de) | 2009-10-29 | 2009-10-29 | Vakuum-Leistungsschalter mit elektrisch an Masse gelegtem Behälter |
AU2009354701A AU2009354701B2 (en) | 2009-10-29 | 2009-10-29 | Tank-type vacuum interrupter |
US13/394,063 US9136674B2 (en) | 2009-10-29 | 2009-10-29 | Dead tank vacuum circuit breaker |
JP2011538115A JP5183810B2 (ja) | 2009-10-29 | 2009-10-29 | タンク形真空遮断器 |
KR1020127010709A KR101300900B1 (ko) | 2009-10-29 | 2009-10-29 | 탱크형 진공차단기 |
PCT/JP2009/005741 WO2011052010A1 (ja) | 2009-10-29 | 2009-10-29 | タンク形真空遮断器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2009/005741 WO2011052010A1 (ja) | 2009-10-29 | 2009-10-29 | タンク形真空遮断器 |
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WO2011052010A1 true WO2011052010A1 (ja) | 2011-05-05 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2009/005741 WO2011052010A1 (ja) | 2009-10-29 | 2009-10-29 | タンク形真空遮断器 |
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US (1) | US9136674B2 (ja) |
JP (1) | JP5183810B2 (ja) |
KR (1) | KR101300900B1 (ja) |
CN (1) | CN102598445B (ja) |
AU (1) | AU2009354701B2 (ja) |
DE (1) | DE112009005337B4 (ja) |
WO (1) | WO2011052010A1 (ja) |
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WO2012164764A1 (ja) * | 2011-06-02 | 2012-12-06 | 三菱電機株式会社 | タンク型真空遮断器 |
RU2498439C1 (ru) * | 2012-05-18 | 2013-11-10 | Открытое Акционерное Общество Холдинговая Компания "Электрозавод" (Оао "Электрозавод") | Баковый вакуумный выключатель |
CN103828155A (zh) * | 2011-09-28 | 2014-05-28 | 三菱电机株式会社 | 箱型真空断路器 |
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- 2009-10-29 AU AU2009354701A patent/AU2009354701B2/en active Active
- 2009-10-29 JP JP2011538115A patent/JP5183810B2/ja active Active
- 2009-10-29 CN CN200980162302.6A patent/CN102598445B/zh active Active
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WO2012164764A1 (ja) * | 2011-06-02 | 2012-12-06 | 三菱電機株式会社 | タンク型真空遮断器 |
CN103563194A (zh) * | 2011-06-02 | 2014-02-05 | 三菱电机株式会社 | 箱型真空断路器 |
JP5507010B2 (ja) * | 2011-06-02 | 2014-05-28 | 三菱電機株式会社 | タンク型真空遮断器 |
US9472356B2 (en) | 2011-06-02 | 2016-10-18 | Mitsubishi Electric Corporation | Tank-type vacuum circuit breaker |
CN103828155A (zh) * | 2011-09-28 | 2014-05-28 | 三菱电机株式会社 | 箱型真空断路器 |
US10347447B2 (en) | 2011-09-28 | 2019-07-09 | Mitsubishi Electric Corporation | Tank type vacuum circuit breaker |
RU2498439C1 (ru) * | 2012-05-18 | 2013-11-10 | Открытое Акционерное Общество Холдинговая Компания "Электрозавод" (Оао "Электрозавод") | Баковый вакуумный выключатель |
CN104508926A (zh) * | 2012-09-26 | 2015-04-08 | 三菱电机株式会社 | 电力开关装置 |
CN104508926B (zh) * | 2012-09-26 | 2016-10-26 | 三菱电机株式会社 | 电力开关装置 |
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WO2023053191A1 (ja) * | 2021-09-28 | 2023-04-06 | 三菱電機株式会社 | タンク型遮断器 |
Also Published As
Publication number | Publication date |
---|---|
DE112009005337T5 (de) | 2012-12-13 |
AU2009354701B2 (en) | 2014-05-15 |
JPWO2011052010A1 (ja) | 2013-03-14 |
KR20120062912A (ko) | 2012-06-14 |
AU2009354701A1 (en) | 2012-05-31 |
DE112009005337B4 (de) | 2015-10-29 |
JP5183810B2 (ja) | 2013-04-17 |
CN102598445B (zh) | 2016-07-06 |
CN102598445A (zh) | 2012-07-18 |
US9136674B2 (en) | 2015-09-15 |
US20120160810A1 (en) | 2012-06-28 |
KR101300900B1 (ko) | 2013-08-27 |
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