JPS6246934B2 - - Google Patents
Info
- Publication number
- JPS6246934B2 JPS6246934B2 JP12996079A JP12996079A JPS6246934B2 JP S6246934 B2 JPS6246934 B2 JP S6246934B2 JP 12996079 A JP12996079 A JP 12996079A JP 12996079 A JP12996079 A JP 12996079A JP S6246934 B2 JPS6246934 B2 JP S6246934B2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- electrical equipment
- processing
- insulated electrical
- filter
- 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.)
- Expired
Links
- 239000007788 liquid Substances 0.000 claims description 36
- 238000000354 decomposition reaction Methods 0.000 claims description 30
- 239000000428 dust Substances 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 3
- 230000003749 cleanliness Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 37
- 239000000843 powder Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 230000002378 acidificating effect Effects 0.000 description 5
- 150000002222 fluorine compounds Chemical class 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- -1 disconnectors Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000013494 PH determination Methods 0.000 description 1
- 229910018503 SF6 Inorganic materials 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- 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
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
- H01H33/56—Gas reservoirs
Landscapes
- Transformer Cooling (AREA)
Description
【発明の詳細な説明】
本発明はガス絶縁電気機器内部に発生する分解
生成物を無害化するガス絶縁電気機器における分
解生成物処理装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a decomposition product processing device for gas insulated electrical equipment, which renders decomposition products generated inside the gas insulated electrical equipment harmless.
近年、電力需要の増加と受変電装置の高電圧化
及び大容量化にともない、六弗化硫黄（SF6）ガ
スのような絶縁ガスを封入したガスしや断器、ガ
ス断路器、ガス絶縁母線のようなガス絶縁電気機
器装置が電力系統に設置されている。このSF6ガ
スは絶縁性と消弧性に優れた特性を有するため、
このガスとともに充電部を機器容器内に収納した
ガスしや断器、ガス断路器及び母線などのガス絶
縁機器を形成し、これらのガス絶縁機器を接続し
てガス絶縁開閉装置のような小形で高性能なガス
絶縁電気機器装置を構成している。 In recent years, with the increase in electricity demand and the increase in the voltage and capacity of power receiving and transforming equipment, gas shields and disconnectors filled with insulating gas such as sulfur hexafluoride (SF 6 ) gas, gas disconnectors, and gas insulators have been introduced. Gas-insulated electrical equipment devices, such as busbars, are installed in power systems. This SF 6 gas has excellent insulation and arc extinguishing properties, so
Together with this gas, gas insulated equipment such as gas insulators, disconnectors, gas disconnectors, and busbars are formed with live parts housed in equipment containers, and these gas insulated equipment are connected to form small devices such as gas insulated switchgear. It constitutes a high-performance gas-insulated electrical equipment device.
しかしながら、SF6ガスは、これが封入されて
いるしや断器及び断路器等のような開閉器では、
開閉時のアークによつて、SF6ガスが分解され、
一部は金属蒸気と化合して、金属の弗素化合物か
らなる微細な粉末となり、他の一部はSF4及び
SOF2などの有害な分解ガスとなる等の分解生成
物が生成される。また、微少ではあるが、母線の
ような他のガス絶縁電気機器においても、コロナ
放電によつて微量な分解生成物が発生するおそれ
がある。 However, SF 6 gas is not used in switchgears such as circuit breakers and disconnectors in which SF 6 gas is sealed.
SF 6 gas is decomposed by the arc during opening and closing,
Some of it combines with metal vapor to form a fine powder consisting of metal fluorine compounds, and some of it combines with SF4 and
Decomposition products such as harmful decomposition gases such as SOF 2 are generated. In addition, there is a possibility that a small amount of decomposition products may be generated due to corona discharge in other gas-insulated electrical equipment such as a bus bar.
そして、分解生成物のうち、分解ガスは酸性で
あるため、弱アルカリ性溶液中を通て排気するこ
とにより、無害化することができるが、一方微細
な分解生成粉末中に吸着された有害な酸性ガスは
脱気されないで、機器内に残る。したがつて、機
器の分解点検時に、分解生成物の微細な粉末が人
体に触れ、あるいは呼吸とともに人体に吸収され
ることは、健康上好ましくないことは当然であ
り、ガス絶縁電気機器装置の急速な普及と相まつ
て、その対策が検討されるに至つた。そして、分
解生成物の粉末中に吸着される分解ガスを除去す
る最も簡便な方法としては、機器中に水、あるい
は弱アルカリ性の水溶液を注入洗浄することが考
えられる。しかし、この水溶液による方法では、
洗浄及び洗浄後の乾燥に時間がかゝり、また機器
構成部材に錆が著しく発生してしまうことが大き
な問題点である。錆が発生した場合には構成部材
を引き出して錆落し処理をした後に再度組立てな
ければならなく、その処理が非常に面倒である。 Among the decomposition products, the decomposition gas is acidic, so it can be made harmless by passing it through a weak alkaline solution and exhausting it, but on the other hand, the harmful acidity adsorbed in the fine decomposition product powder The gas remains in the equipment without being degassed. Therefore, it is natural that it is not good for health if the fine powder of decomposition products comes into contact with the human body or is absorbed into the human body when breathing during the overhaul of the equipment. Coupled with its widespread use, countermeasures have begun to be considered. The simplest method for removing the decomposed gas adsorbed in the decomposition product powder is to inject water or a weakly alkaline aqueous solution into the equipment for cleaning. However, with this aqueous solution method,
A major problem is that it takes a long time to clean and dry after cleaning, and the components of the equipment are significantly rusted. If rust occurs, the components must be pulled out, treated to remove rust, and then reassembled, which is extremely troublesome.
本発明は上記の点を考慮してなされたもので、
その目的とするところは、SF6ガス絶縁開閉装置
のようなガス絶縁電気機器装置の内部に発生する
分解ガスによる分解生成物を無害化処理し、かつ
この無害化処理が終了したか否かを判定できるガ
ス絶縁電気機器における分解生成物処理装置を提
供することにある。 The present invention has been made in consideration of the above points, and
The purpose of this is to detoxify the decomposition products caused by decomposition gas generated inside gas-insulated electrical equipment such as SF 6 gas-insulated switchgear, and to check whether the detoxification process has been completed or not. It is an object of the present invention to provide a decomposition product processing device for gas-insulated electrical equipment that can be used for determination.
以下、本発明を図面に示す一実施例を参照して
説明する。図面においては、分解ガスが発生する
対象となるガス絶縁電気機器装置、例えばガスし
や断器及びガス断路器などからなるガス絶縁開閉
装置１０（以下開閉装置と略記する）が被処理電
気機器として示されている。この開閉装置１０は
容器１１の内部に、SF6ガスのような絶縁ガスを
図示しない固定及び可動接触部からなる開閉部と
ともに収納し、この開閉部は夫々ブツシング１
２，１２を介在して外部に導出されている。 Hereinafter, the present invention will be described with reference to an embodiment shown in the drawings. In the drawing, a gas insulated electrical equipment device from which decomposed gas is generated, such as a gas insulated switchgear 10 (hereinafter abbreviated as a switchgear) consisting of a gas insulator, a gas disconnector, a gas disconnector, etc., is shown as the electrical equipment to be treated. It is shown. This opening/closing device 10 stores an insulating gas such as SF 6 gas in a container 11 together with an opening/closing section consisting of a fixed and movable contact section (not shown), and each opening/closing section is connected to a bushing 1.
2 and 12, and is led out to the outside.
そして、分解生成物処理装置２００（以下処理
装置と略記する）は後述する揮発性溶剤からなる
分解生成物処理液２１（以下、処理液と略記す
る）と、この処理液２１を貯蔵する処理液２１を
濾過するフイルタ装置３０と回収ポンプ３３と、
容器１１内部を減圧する装置、例えば真空ポンプ
４０と、処理終了判定装置７０と、これらを接続
するバルブ及び配管等とから形成されている。 The decomposition product treatment device 200 (hereinafter abbreviated as the treatment device) contains a decomposition product treatment liquid 21 (hereinafter abbreviated as the treatment liquid) made of a volatile solvent, which will be described later, and a treatment liquid that stores this treatment liquid 21. A filter device 30 for filtering 21 and a recovery pump 33,
It is formed of a device for reducing the pressure inside the container 11, for example, a vacuum pump 40, a processing end determination device 70, and valves, piping, etc. that connect these devices.
処理液タンク２０は上部にバルブ２２ａを取付
け、下部にはバルブ２３，２４ａを設け、バルブ
２４ａからバルブ３１，３５ａを介在して回転ポ
ンプ３３の両側に接続され、この回収ポンプ３３
の一方はバルブ３６を経て配管１４及びバルブ１
４ａによつて開閉装置１０の容器１１に接続さ
れ、配管１４にはバルブ４１を介して真空ポンプ
４０が接続される。また、回転ポンプ３３の他方
は除塵フイルタ３２，３２ａと脱酸フイルタ３４
とからなるフイルタ装置３０に接続され、フイル
タ装置３０の一方は配管１３、バルブ１３ａによ
つて容器１１の下部に接続され、この配管１３の
途中に処理終了判定装置７０が接続されている。
この処理終了判定装置７０は分解生成物の粉末が
酸性であるので、例えばPH判定器を使用すれば処
理液が酸性でなくなつた時点を処理終了と判定す
ることができる。 The processing liquid tank 20 has a valve 22a installed at the top and valves 23 and 24a at the bottom, and is connected to both sides of a rotary pump 33 via valves 31 and 35a from the valve 24a.
One side is connected to the pipe 14 and the valve 1 through the valve 36.
4 a to the container 11 of the opening/closing device 10 , and a vacuum pump 40 is connected to the pipe 14 via a valve 41 . Further, the other side of the rotary pump 33 is connected to the dust removal filters 32, 32a and the deoxidizing filter 34.
One end of the filter device 30 is connected to the lower part of the container 11 through a pipe 13 and a valve 13a, and a process end determination device 70 is connected in the middle of the pipe 13.
Since the powder of the decomposition product is acidic, this process end determination device 70 can determine the end of the process when the treatment liquid is no longer acidic, for example, by using a PH determiner.
前述したように、開閉装置１０の開閉時に発生
するアークによつて、SF6ガスが分解され、一部
は金続蒸気と化合して金属の弗素化合物からなる
微細な粉末となり、他の一部はSF4，SOF2など
の有害な分解ガス等の分解生成物となる。この分
解ガスは酸性であつて、一部は分解生成物の粉末
中に吸着されている。 As mentioned above, the SF 6 gas is decomposed by the arc generated when the switchgear 10 is opened and closed, and part of it combines with Kintsugi vapor to become a fine powder made of metal fluorine compounds, and the other part is becomes decomposition products such as harmful decomposition gases such as SF 4 and SOF 2 . This decomposition gas is acidic, and a portion is adsorbed in the decomposition product powder.
ここで、処理液は、揮発性溶剤例えばアルコー
ル、あるいはフレオン、あるいはアルコールとフ
レオンの混合液等を使用できるが、以下アルコー
ルを用いた場合について説明することにする。分
解生成物の粉末はアルコールからなる処理液２１
が容器１１内に導入され蒸気となつて機器部材の
表面に付着して凝縮液となるか、あるいは霧状又
はしぶき状にねつて上記と同様に表面に付着し
て、洗浄できる。また、粉末の一部例えば銅の弗
素化合物はアルコールによく溶解するので、さら
に開閉装置１０の内部を清浄にすることができ
る。なお、フレオン、あるいはフレオンとアルコ
ールの混合液によれば粉末中に吸着された酸性ガ
スを除くことができる。 Here, a volatile solvent such as alcohol, Freon, or a mixture of alcohol and Freon can be used as the processing liquid, but the case where alcohol is used will be explained below. The powder of the decomposition product is treated with a treatment liquid 21 consisting of alcohol.
The water is introduced into the container 11 and turns into a vapor, which adheres to the surface of the equipment member and becomes a condensate, or it is twisted into a mist or droplet form and adheres to the surface in the same manner as described above, so that it can be cleaned. Further, since a part of the powder, for example, a fluorine compound of copper, dissolves well in alcohol, the inside of the switchgear 10 can be further cleaned. Note that the acidic gas adsorbed in the powder can be removed by using Freon or a mixture of Freon and alcohol.
そして、除塵フイルタ３２，３２ａは濾紙、ポ
リエステル不織布、又はガラス繊維等からなるフ
イルタ部材を装着して形成されており、これによ
つて分解生成物の粉末を除去することができる。
一方、脱酸フイルタは合成ゼオライト、活性アル
ミナ、又は活性炭等のフイルタ部材を充てんして
形成されており、処理液中に溶解した分解ガス
を、このフイルタ部材によつて吸着して脱酸する
ものである。次に上述したように構成された本発
明の処理装置２００の作用について説明する。開
閉装置１０の容器１１中に処理液を注入する際
に、まずバルブ２４ａ，３１，３５ａ，３６を閉
じ、バルブ４１，１４ａを開き真空ポンプ４０を
運転して開閉装置１０内部を真空、又は大気圧よ
りやや低目に減圧する。次にバルブ３５ａ，４１
を閉じ、バルブ２４ａ，３１，３６を開き、回転
ポンプ３３を運転して処理液タンク２０の処理液
２１を強制的に開閉装置１０へ、さらにフイルタ
装置３０へ送る。そして、開閉装置１０内部の分
解生成物の粉末は処理液２１によつて洗浄され、
開閉装置１０から送り出された処理液２１はフイ
ルタ装置３０の除塵フイルタ３２，３２ａおよび
脱酸フイルタ３４を通り、除塵され脱酸されて清
浄になつた処理液２１は回転ポンプ３３へ戻る。
このように回転ポンプ３３へ戻された処理液２１
は、再び開閉装置１０内部へ送り込まれる。した
がつて、処理液タンク２０から適当量の処理液２
１を回転ポンプ３３へ送つた後、バルブ２４ａ，
３１，３５ａ，４１を閉じれば、それまでに送り
込まれた処理液が、回転ポンプ３３、開閉装置１
０、処理終了判定装置７０、フイルタ装置３０、
回転ポンプ３３の順に循環する。このようにし
て、フイルタ装置３０を循環した処理液は清浄に
無害化され、処理終了判定装置７０例えばPH判定
器によつて酸性度を判定して、設定された酸性度
以下となつたときに処理終了と判定し、図示され
ないが指示を出すものである。したがつて、処理
終了と判定された後、処理液２１を回収する時に
は、バルブ３１，３６，４１を閉じ、バルブ２４
ａ，３５ａ，２２ａを開き、回転ポンプ３３によ
つて、処理液２１は処理液タンク２０へ回収され
る。 The dust removal filters 32, 32a are formed by attaching a filter member made of filter paper, polyester nonwoven fabric, glass fiber, etc., and can thereby remove powder of decomposition products.
On the other hand, a deoxidizing filter is formed by filling a filter member such as synthetic zeolite, activated alumina, or activated carbon, and deoxidizes the cracked gas dissolved in the processing liquid by adsorbing it with this filter member. It is. Next, the operation of the processing device 200 of the present invention configured as described above will be explained. When injecting the processing liquid into the container 11 of the opening/closing device 10, first close the valves 24a, 31, 35a, and 36, open the valves 41, 14a, and operate the vacuum pump 40 to create a vacuum or a large vacuum inside the opening/closing device 10. Depressurize to slightly lower than atmospheric pressure. Next, valves 35a, 41
is closed, the valves 24a, 31, and 36 are opened, and the rotary pump 33 is operated to forcibly send the processing liquid 21 in the processing liquid tank 20 to the opening/closing device 10 and further to the filter device 30. Then, the powder of decomposition products inside the switchgear 10 is washed with the treatment liquid 21,
The processing liquid 21 sent out from the opening/closing device 10 passes through the dust removal filters 32, 32a and the deoxidizing filter 34 of the filter device 30, and the processed liquid 21, which has been purified by dust removal and deoxidation, returns to the rotary pump 33.
The processing liquid 21 returned to the rotary pump 33 in this way
is sent into the opening/closing device 10 again. Therefore, an appropriate amount of processing liquid 2 is removed from the processing liquid tank 20.
1 to the rotary pump 33, the valves 24a,
31, 35a, and 41, the processing liquid sent so far is transferred to the rotary pump 33 and the opening/closing device 1.
0, processing end determination device 70, filter device 30,
The rotary pump 33 circulates in this order. In this way, the treatment liquid that has circulated through the filter device 30 is clean and rendered harmless, and the acidity is determined by the treatment completion determination device 70, for example, a PH determination device, and when the acidity is below the set acidity. It determines that the process is complete and issues an instruction (not shown). Therefore, when recovering the processing liquid 21 after it is determined that the processing is completed, the valves 31, 36, and 41 are closed, and the valve 24 is closed.
a, 35a, and 22a are opened, and the processing liquid 21 is collected into the processing liquid tank 20 by the rotary pump 33.
以上説明したように本発明によれば、揮発性溶
剤からなる処理液によつて被処理ガス絶縁機器容
器内部の分解生成物を洗浄し、この処理液をフイ
ルタ装置によつて除塵及び脱酸して無害化処理
し、これを循環して繰返し、この経路途中に設け
られた処理終了判定装置によつて、容器内部を通
つた処理液の清浄さによつて処理終了を判定し、
この処理液を処理液タンクにもどすことのできる
ガス絶縁電気機器における分解生成物処理装置を
提供することができる。 As explained above, according to the present invention, the decomposition products inside the gas insulating equipment container to be treated are washed with a processing liquid made of a volatile solvent, and the processing liquid is removed from dust and deoxidized using a filter device. This is circulated and repeated, and a processing completion determination device installed in the middle of this path determines the completion of the processing based on the cleanliness of the processing liquid that has passed through the inside of the container.
It is possible to provide a decomposition product processing device for gas-insulated electrical equipment that can return this processing liquid to a processing liquid tank.
図面は本発明のガス絶縁電気機器における分解
生成物処理装置を示す構成説明図である。
１０…ガス絶縁開閉装置、１１…容器、２０…
処理液タンク、２１…処理液、３０…フイルタ装
置、３２，３２ａ…除塵フイルタ、３３…回収ポ
ンプ、３４…脱酸フイルタ、４０…真空ポンプ、
７０…処理終了判定装置、２００…分解生成物処
理装置。
The drawing is a configuration explanatory diagram showing a decomposition product processing device in a gas-insulated electric device according to the present invention. 10... Gas insulated switchgear, 11... Container, 20...
Processing liquid tank, 21... Processing liquid, 30... Filter device, 32, 32a... Dust removal filter, 33... Recovery pump, 34... Deoxidizing filter, 40... Vacuum pump,
70... Process completion determination device, 200... Decomposition product processing device.
Claims (1)
充てんした処理タンクと、この処理タンクと接続
される被処理ガス絶縁電気機器容器と、この被処
理ガス絶縁電気機器容器に接続される減圧装置
と、前記被処理ガス絶縁電気機器容器と前記処理
液タンクとの間に配設されたフイルタ装置及び前
記処理液の清浄さを判定する処理終了判定装置
と、前記被処理ガス絶縁電気機器容器、処理液タ
ンク及びフイルタ装置との間に処理液を送る回収
ポンプとを備えてなるガス絶縁電気機器における
分解生成物処理装置。 ２ 処理終了判定装置はPH判定器とする特許請求
の範囲第１項記載のガス絶縁電気機器における分
解生成物処理装置。 ３ フイルタ装置は除塵フイルタ及び脱酸フイル
タからなる特許請求の範囲第１項または第２項記
載のガス絶縁電気機器における分解生成物処理装
置。[Scope of Claims] 1. A processing liquid made of a volatile solvent, a processing tank filled with this processing liquid, a gas-insulated electrical equipment container to be treated that is connected to the processing tank, and this gas-insulated electrical equipment container to be processed. a filter device disposed between the to-be-treated gas insulated electrical equipment container and the to-be-treated treatment liquid tank, and a treatment end determination device to determine the cleanliness of the to-be-treated liquid; A decomposition product processing device for gas insulated electrical equipment, comprising a gas insulated electrical equipment container, a processing liquid tank, and a recovery pump that sends the processing liquid between the filter device. 2. The decomposition product processing device for gas insulated electrical equipment according to claim 1, wherein the processing end determining device is a PH determining device. 3. A decomposition product processing device for gas insulated electrical equipment according to claim 1 or 2, wherein the filter device comprises a dust removal filter and a deoxidizing filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12996079A JPS5655017A (en) | 1979-10-11 | 1979-10-11 | Apparatus for treating decomposed product in gas insulated electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12996079A JPS5655017A (en) | 1979-10-11 | 1979-10-11 | Apparatus for treating decomposed product in gas insulated electric machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5655017A JPS5655017A (en) | 1981-05-15 |
| JPS6246934B2 true JPS6246934B2 (en) | 1987-10-05 |
Family
ID=15022682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12996079A Granted JPS5655017A (en) | 1979-10-11 | 1979-10-11 | Apparatus for treating decomposed product in gas insulated electric machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5655017A (en) |
-
1979
- 1979-10-11 JP JP12996079A patent/JPS5655017A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5655017A (en) | 1981-05-15 |
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