JP2591251B2 - Internal purification method of liquid refrigerant input transformer - Google Patents
Internal purification method of liquid refrigerant input transformerInfo
- Publication number
- JP2591251B2 JP2591251B2 JP10939290A JP10939290A JP2591251B2 JP 2591251 B2 JP2591251 B2 JP 2591251B2 JP 10939290 A JP10939290 A JP 10939290A JP 10939290 A JP10939290 A JP 10939290A JP 2591251 B2 JP2591251 B2 JP 2591251B2
- Authority
- JP
- Japan
- Prior art keywords
- transformer
- liquid refrigerant
- oil
- circulation circuit
- purification method
- 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 - Fee Related
Links
Landscapes
- Transformer Cooling (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は油等の液冷媒入変圧器の内部浄化方法に関
するものである。Description: TECHNICAL FIELD The present invention relates to a method of purifying the interior of a transformer containing a liquid refrigerant such as oil.
第２図は従来の油入変圧器における内部浄化方法を説
明するための概略図である。FIG. 2 is a schematic view for explaining an internal purification method in a conventional oil-filled transformer.
この図において、（１）は変圧器タンクで、内部に変
圧器本体（２）と、その冷却及び絶縁のための液冷媒で
ある油（３）が収容されている。（４）は上記油を循環
させる循環回路で、変圧器タンクの上部に連通する配管
（41）と、この配管に接続された油循環用のポンプ（4
2）と、変圧器タンクの下部に連通する配管（43）と、
この配管に接続された異物除去用のフィルター（44）
と、ポンプ及びフィルターを接続する配管（45）とから
構成されている。In this figure, (1) is a transformer tank in which a transformer main body (2) and an oil (3) which is a liquid refrigerant for cooling and insulating the transformer main body (2) are stored. (4) is a circulation circuit for circulating the oil, and a pipe (41) communicating with the upper part of the transformer tank and an oil circulation pump (4) connected to the pipe.
2) and piping (43) communicating with the lower part of the transformer tank,
Filter (44) for removing foreign matter connected to this pipe
And a pipe (45) for connecting a pump and a filter.
このような構成において、循環回路のポンプ（42）を
駆動して変圧器タンク内の油を長時間にわたって循環回
路（４）に循環させることにより、変圧器本体（２）の
表示に付着した塵埃等の異物や、油（３）に混在する浮
遊異物をフィルター（44）で除去し、変圧器内部の電気
絶縁性能を確保するようにしている。In such a configuration, by driving the pump (42) of the circulation circuit to circulate the oil in the transformer tank to the circulation circuit (4) for a long time, dust adhering to the display of the transformer main body (2) is obtained. The filter (44) removes foreign matters such as the above and floating foreign matters mixed in the oil (3), so as to secure the electrical insulation performance inside the transformer.
従来の油入変圧器の内部浄化方法は以上のように構成
され、循環回路に循環させるのみであったため、変圧器
本体に付着した異物を油中に遊離させ、除去するのに非
常に長時間を要するという問題点があった。Since the conventional method of purifying the interior of an oil-immersed transformer is configured as described above and only circulates through the circulation circuit, it takes a very long time to release foreign matter adhering to the transformer body into oil and remove it. Is required.
この発明はこのような問題点を解消するためになされ
たもので、変圧器内部の浄化を短時間で行なうことがで
きる液冷媒入変圧器の内部浄化方法を提供しようとする
ものである。The present invention has been made in order to solve such a problem, and an object of the present invention is to provide a method of purifying the inside of a liquid refrigerant-filled transformer, which can purify the inside of the transformer in a short time.
この発明に係る液冷媒入変圧器の内部浄化方法は、液
冷媒の循環回路を備えた変圧器の変圧器タンクの壁面ま
たはその内部に超音波加振機を装着し、液冷媒に圧力振
動を与えるようにしたものである。The method for purifying the inside of a liquid refrigerant input transformer according to the present invention includes mounting an ultrasonic vibrator on a wall or inside a transformer tank of a transformer having a liquid refrigerant circulation circuit, and applying pressure vibration to the liquid refrigerant. It is something to give.
この発明によれば超音波による油圧振動が変圧器本体
の表面に付着した異物を振動させ、油中に遊離させるこ
とになる。According to the present invention, the hydraulic vibrations caused by the ultrasonic waves vibrate the foreign substances attached to the surface of the transformer main body and release them in the oil.
以下、この発明の一実施例を第１図について説明す
る。この図において（５）は超音波加振機、（６）は変
圧器タンクの適宜の箇所に設けられた超音波加振機取付
用のフランジで、図示のものは３箇所に設けている。An embodiment of the present invention will be described below with reference to FIG. In this figure, (5) is an ultrasonic vibrator, and (6) is an ultrasonic vibrator mounting flange provided at an appropriate location of the transformer tank. The illustrated one is provided at three locations.
その他の構成は従来のものと同様であるため、相当部
分に同一符号に付して説明を省略する。The other configuration is the same as that of the conventional one, and therefore, the corresponding parts are denoted by the same reference numerals and description thereof will be omitted.
このような構成において超音波加振機（５）を動作さ
せると、超音波振動が発生し、この振動が油（３）を伝
搬して変圧器本体（２）の表面に付着している微小な塵
埃、異物等を振動させ、油中への遊離を促進させる。When the ultrasonic vibrator (5) is operated in such a configuration, ultrasonic vibration is generated, and this vibration propagates through the oil (3) and causes minute vibrations adhering to the surface of the transformer body (2). Vibration of dust, foreign matter, etc. promotes release into oil.
油中へ遊離した塵埃、異物等は油中浮遊物となり、循
環回路（４）に流入してフィルター（44）に捕捉され、
変圧器内部は次第に浄化される。Dust and foreign matter released into the oil become suspended matter in the oil, flow into the circulation circuit (4) and are captured by the filter (44).
The inside of the transformer is gradually purified.
以上の説明では超音波加振機と、油の循環回路とを同
時に動作させる実施例を示したが、両者を周期的に交互
に動作させて超音波振動の伝搬効率の向上を図ると共
に、油流停止から流動開始に至る油流のじょう乱等によ
り浄化作用を一層向上させることも可能である。In the above description, the embodiment in which the ultrasonic vibrator and the oil circulation circuit are operated at the same time is shown. However, while the two are periodically and alternately operated to improve the ultrasonic vibration propagation efficiency, The purifying action can be further improved by disturbance of the oil flow from the stop of the flow to the start of the flow.
また、超音波加振機を変圧器タンクの壁面に装着する
実施例を示したが、これを変圧器タンク内部の適宜の箇
所に装着しても同様な効果を期待することができる。In addition, although the embodiment in which the ultrasonic vibrator is mounted on the wall surface of the transformer tank has been described, the same effect can be expected even if the ultrasonic vibrator is mounted on an appropriate location inside the transformer tank.
この発明は以上のように構成され、変圧器タンクの壁
面またはその内部に超音波加振機を装着して液冷媒に圧
力振動を与えるようにしたため、変圧器本体の表面に付
着した塵埃その他の異物を効果的に油中に遊離させるこ
とができ、変圧器内部を短時間で浄化することが可能と
なる。The present invention is configured as described above, and the ultrasonic vibration exciter is attached to the wall surface of the transformer tank or the inside thereof so as to apply pressure vibration to the liquid refrigerant, so that dust or other dust adhered to the surface of the transformer body. Foreign substances can be effectively released into the oil, and the inside of the transformer can be purified in a short time.
第１図はこの発明の一実施例を示す概略図、第２図は従
来の油入変圧器の内部浄化方法を示す概略図である。 図において（１）は変圧器タンク、（２）は変圧器本
体、（３）は油、（４）は循環回路、（42）はポンプ、
（44）はフィルター、（５）は超音波加振機、（６）は
フランジである。 なお、図中、同一符号は夫々相当部分を示す。FIG. 1 is a schematic diagram showing one embodiment of the present invention, and FIG. 2 is a schematic diagram showing a conventional method for purifying the interior of an oil-immersed transformer. In the figure, (1) is a transformer tank, (2) is a transformer main body, (3) is oil, (4) is a circulation circuit, (42) is a pump,
(44) is a filter, (5) is an ultrasonic vibrator, and (6) is a flange. In the drawings, the same reference numerals indicate corresponding parts.
Claims (1)
容すると共に、上記液冷媒の循環回路を設け、上記循環
回路に異物除去用のフィルターを配設するようにしたも
のにおいて、上記変圧器タンクの壁面またはその内部に
超音波加振機を装着して上記液冷媒に圧力振動を与える
ことにより上記変圧器本体の表面に付着した塵埃その他
の異物を上記液冷媒中に遊離させるようにしたことを特
徴とする液冷媒入変圧器の内部浄化方法。An apparatus according to claim 1, wherein the transformer main body and the liquid refrigerant are accommodated in a transformer tank, the liquid refrigerant circulation circuit is provided, and a foreign matter removing filter is provided in the circulation circuit. An ultrasonic vibrator is mounted on the wall surface of the transformer tank or inside thereof to apply pressure vibration to the liquid refrigerant so that dust and other foreign substances adhering to the surface of the transformer body are released into the liquid refrigerant. A method for purifying the interior of a liquid refrigerant-immersed transformer, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10939290A JP2591251B2 (en) | 1990-04-25 | 1990-04-25 | Internal purification method of liquid refrigerant input transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10939290A JP2591251B2 (en) | 1990-04-25 | 1990-04-25 | Internal purification method of liquid refrigerant input transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH047812A JPH047812A (en) | 1992-01-13 |
| JP2591251B2 true JP2591251B2 (en) | 1997-03-19 |
Family
ID=14509074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10939290A Expired - Fee Related JP2591251B2 (en) | 1990-04-25 | 1990-04-25 | Internal purification method of liquid refrigerant input transformer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2591251B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2923700B2 (en) | 1991-03-27 | 1999-07-26 | 株式会社半導体エネルギー研究所 | Semiconductor device and manufacturing method thereof |
| EP1705781A1 (en) * | 2005-03-23 | 2006-09-27 | Siemens Aktiengesellschaft | Method to remove sedimentation in the interior of an electric machine and electric machine |
-
1990
- 1990-04-25 JP JP10939290A patent/JP2591251B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH047812A (en) | 1992-01-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |