JPH01174239A - Cooling gas dryer for electric rotary machine - Google Patents
Cooling gas dryer for electric rotary machineInfo
- Publication number
- JPH01174239A JPH01174239A JP33255087A JP33255087A JPH01174239A JP H01174239 A JPH01174239 A JP H01174239A JP 33255087 A JP33255087 A JP 33255087A JP 33255087 A JP33255087 A JP 33255087A JP H01174239 A JPH01174239 A JP H01174239A
- Authority
- JP
- Japan
- Prior art keywords
- cooling gas
- blower
- dryer
- rotary machine
- electric rotary
- 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.)
- Pending
Links
- 239000000112 cooling gas Substances 0.000 title claims abstract description 68
- 238000001035 drying Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 2
- TVZRAEYQIKYCPH-UHFFFAOYSA-N 3-(trimethylsilyl)propane-1-sulfonic acid Chemical compound C[Si](C)(C)CCCS(O)(=O)=O TVZRAEYQIKYCPH-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Motor Or Generator Cooling System (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、回転電機の冷却ガス乾燥装置に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a cooling gas drying device for a rotating electric machine.
回転電機の冷却ガス乾燥装置は回転電機内の絶縁劣化防
止、防錆、腐蝕防止のために必要である。A cooling gas drying device for a rotating electric machine is necessary to prevent insulation deterioration, rust prevention, and corrosion inside the rotating electric machine.
以下、このような従来の回転電機の冷却ガス乾燥装置に
ついて第３図に基づいて説明する。Hereinafter, such a conventional cooling gas drying device for a rotating electric machine will be explained based on FIG. 3.
第３図は例えば実公昭５８−４３４１３号公報に示され
た従来の回転電機の冷却ガス乾燥装置を示す。FIG. 3 shows a conventional cooling gas drying device for a rotating electric machine, as disclosed in, for example, Japanese Utility Model Publication No. 58-43413.
図において（１）はタービン発電機で、タービン発電機
内部に回転軸に設けられたブロクにより冷却ガスを循環
させる様になっている。タービン発電機（１）には抽気
管（２）および戻り管（３）を介して冷却ガス乾燥器（
４）が接続されている。In the figure, (1) is a turbine generator, and cooling gas is circulated inside the turbine generator by a block provided on a rotating shaft. The turbine generator (1) is connected to a cooling gas dryer (
4) is connected.
次に動作について説明する。抽気管（２）と戻り管（３
）の間には、回転電機が回転すると回転軸に設けられた
ブロクにより差圧が加わる。そのため冷却ガスは、抽気
管（２）を通して冷却ガス乾燥器（４）に導かれ、戻り
管（３）を通してタービン発電機（１）に戻るように構
成されている。Next, the operation will be explained. Bleed pipe (2) and return pipe (3
) When the rotating electric machine rotates, a differential pressure is applied by a block provided on the rotating shaft. The cooling gas is therefore arranged to be guided through the bleed pipe (2) to the cooling gas dryer (4) and returned to the turbine generator (1) through the return pipe (3).
近年火力発電所では、電力供給のベースを原子力発電所
に移し、ＤＳＳ運転（昼間運転し、夜間休転する運転方
法）が増加してきており、それに伴い、発電機の休転期
間が増大してきている。しかしながら上述したような従
来の冷却ガス乾燥システムでは、回転電機が休転すれば
、第３図の抽気管（２）と戻り管（３）の間に圧力差を
生じなくなり、冷却ガスが冷却ガス乾燥器（４）内を循
環しなくなり、ガスの除湿ができなくなるという問題点
があった。In recent years, thermal power plants have shifted their electricity supply base to nuclear power plants, and DSS operation (operation method that operates during the day and shuts down at night) has increased, and as a result, the period during which generators are idle has increased. There is. However, in the conventional cooling gas drying system as described above, when the rotating electric machine is stopped, no pressure difference is created between the bleed pipe (2) and the return pipe (3) in Fig. 3, and the cooling gas is There was a problem in that the gas could no longer be circulated in the dryer (4) and the gas could no longer be dehumidified.
この発明は上記のような問題点を解消するためになされ
たもので、回転電機休転中などに冷却ガスの湿度が設定
値以上となったときに冷却ガスの乾燥（除湿）ができる
冷却ガス乾燥装置を得ることを目的とする。This invention was made in order to solve the above-mentioned problems, and it is a cooling gas that can dry (dehumidify) the cooling gas when the humidity of the cooling gas exceeds a set value while the rotating electric machine is not in operation. The purpose is to obtain a drying device.
この発明に係る冷却ガス乾燥装置は冷却ガスの流路に送
風機を設け、冷却ガスの湿度を検出する検出装置を設け
るとともに、前記検出装置の検出信号により前記送風機
を動作させるようにしたものである。The cooling gas drying device according to the present invention is provided with a blower in the flow path of the cooling gas, a detection device for detecting the humidity of the cooling gas, and a detection signal from the detection device to operate the blower. .
この発明における冷却ガス乾燥装置は、冷却ガスの湿度
を検出する検出装置により冷却ガスの湿度が設定値以上
となれば、検出装置の信号により、送風機が動作し、冷
却ガスを強制的に冷却ガス乾燥器に導き、回転電機内の
冷却ガスを乾燥させる。In the cooling gas drying device according to the present invention, when the humidity of the cooling gas exceeds a set value by the detection device that detects the humidity of the cooling gas, the blower operates according to a signal from the detection device to force the cooling gas to dry. The cooling gas inside the rotating electric machine is guided to a dryer and dried.
以下この発明の一実施例を第１図に基づいて説明する。 An embodiment of the present invention will be described below with reference to FIG.
第１図はこの発明の一実施例に係るタービン発電機の冷
却ガス乾燥装置の系統図である。FIG. 1 is a system diagram of a cooling gas drying device for a turbine generator according to an embodiment of the present invention.
第１図において、（１）はタービン発電機で、回転軸に
設けられた羽根により冷却ガスを循環させる装置を有し
ている。発電機（１）には、抽気管（２）及び戻り管（
３）を介して冷却ガス乾燥器（４）が上流側に、冷却ガ
ス循環用送風機（５）が下流側に位置した状態で取り付
けられており、発電機（１）には冷却ガスの湿度を検出
する検出装置（８）が取りつけられている。In FIG. 1, (1) is a turbine generator, which has a device for circulating cooling gas using blades provided on a rotating shaft. The generator (1) has an air bleed pipe (2) and a return pipe (
3), the cooling gas dryer (4) is installed on the upstream side, and the cooling gas circulation blower (5) is installed on the downstream side. A detection device (8) for detection is attached.
第２図は冷却ガスの湿度を検出する検出装置（３）の信
号により、冷却ガス循環用送風機（５）を駆動するため
の制御図である。検出装置（８）からの信号により判別
回路αＯにおいて冷却ガスの湿度が設定値以上となった
場合に、冷却ガス循環用送風機駆動回路αυに信号が送
られ冷却ガス循環用送風機（５）を自動的に動作させる
ものである。FIG. 2 is a control diagram for driving the cooling gas circulation blower (5) based on a signal from the detection device (3) that detects the humidity of the cooling gas. When the humidity of the cooling gas exceeds the set value in the discrimination circuit αO based on the signal from the detection device (8), a signal is sent to the cooling gas circulation blower drive circuit αυ to automatically start the cooling gas circulation blower (5). It is intended to operate in a specific manner.
発電機（１）内の冷却ガスの一部は、抽気管（２）と戻
り管（３）の設置されている部分の冷却ガスの圧力差に
より、抽気管（２）を通して冷却ガス乾燥器（４）、冷
却ガス循環用送風機（５）に導びかれ、戻り管（３）を
通してタービン発電機（１）内に戻る様構成されている
。A part of the cooling gas in the generator (1) passes through the bleed pipe (2) to the cooling gas dryer ( 4), the cooling gas is guided to a blower for circulation (5), and is configured to return into the turbine generator (1) through a return pipe (3).
この様に構成された冷却ガス乾燥装置において、発電機
内の冷却ガスの検出器（８）の検出値が設定値以下であ
れば従来の冷却ガス乾燥装置と同様の動作をする。冷却
ガスの検出器（８）の検出値が設定値以上となれば、検
出装置（８）の信号により冷却ガス循環用送風機（５）
を動作させ、発電機回転中においては、冷却ガス乾燥器
（４）に流れる冷却ガスの量を増加させ、除湿（乾燥）
効果を高めることができる。又、発電機停止中において
も、冷却ガス循環用送風機（５）を動作させることによ
り冷却ガスを冷却ガス乾燥器（４）に送り込み冷却ガス
の除湿（乾燥）を行う。In the cooling gas drying device configured in this manner, if the detected value of the cooling gas detector (8) in the generator is less than or equal to the set value, the cooling gas drying device operates in the same manner as the conventional cooling gas drying device. When the detection value of the cooling gas detector (8) exceeds the set value, the cooling gas circulation blower (5) is activated by a signal from the detection device (8).
is operated, and while the generator is rotating, the amount of cooling gas flowing to the cooling gas dryer (4) is increased, and dehumidification (drying) is performed.
The effect can be increased. Even when the generator is stopped, the cooling gas circulation blower (5) is operated to send the cooling gas to the cooling gas dryer (4) and dehumidify (dry) the cooling gas.
また、上記実施例では冷却ガス循環用送風機（５）を冷
却ガス乾燥器（４）の下流側に設けたものを示したが、
冷却ガス循環用送風機（５）を冷却ガス乾燥器（４）の
上流側に設けてもよい。Furthermore, in the above embodiment, the cooling gas circulation blower (5) was provided on the downstream side of the cooling gas dryer (4), but
A cooling gas circulation blower (5) may be provided upstream of the cooling gas dryer (4).
以上のようにこの発明によれば回転電機の冷却ガスの湿
度を検出する検出装置を設け、回転電機と冷却ガス乾燥
器との間の流路に送風機を設け、検出装置により制御す
るようにしたので回転電機が休転するような場合でも冷
却ガスの乾燥（除湿）を行うことができる効果がある。As described above, according to the present invention, a detection device is provided to detect the humidity of the cooling gas of the rotating electrical machine, and a blower is provided in the flow path between the rotating electrical machine and the cooling gas dryer, and is controlled by the detection device. Therefore, the cooling gas can be dried (dehumidified) even when the rotating electric machine is stopped.
第１図はこの発明の一実施例による回転電機の冷却ガス
乾燥装置を示す系統図、第２図は検出装置から冷却ガス
循環用送風機を動作させるための系統図、第３図は従来
の回転電機の冷却ガス乾燥装置を示す系統図である。
図において、（１）は回転電機、（２）は抽気管、（３
）は戻り管、（４）は冷却ガス乾燥器、（５）は送風機
、（８）は検出装置である。
尚、図中、同一符号は同一、又は相当部分を示す。Fig. 1 is a system diagram showing a cooling gas drying device for a rotating electric machine according to an embodiment of the present invention, Fig. 2 is a system diagram for operating a cooling gas circulation blower from a detection device, and Fig. 3 is a system diagram showing a conventional rotating electric machine. FIG. 2 is a system diagram showing a cooling gas drying device for electric machinery. In the figure, (1) is the rotating electric machine, (2) is the bleed pipe, and (3) is the rotating electric machine.
) is a return pipe, (4) is a cooling gas dryer, (5) is a blower, and (8) is a detection device. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
する検出装置と、前記回転電機の冷却ガスを冷却ガス乾
燥器に導く流路と、前記流路により導かれた冷却ガスを
乾燥させる冷却ガス乾燥器と、前記冷却ガス乾燥器より
再び前記回転電機内に戻す流路と、前記流路中に送風機
を設け、前記検出装置が所定の応答をしたとき、前記検
出装置の信号により、前記送風機を動作させることを特
徴とする回転電機の冷却ガス乾燥装置。(1) A detection device that detects the humidity of the cooling gas of a gas-cooled rotating electrical machine, a flow path that guides the cooling gas of the rotating electrical machine to a cooling gas dryer, and a method that dries the cooling gas guided by the flow channel. A cooling gas dryer, a flow path returning from the cooling gas dryer to the rotating electrical machine, and a blower in the flow path, and when the detection device makes a predetermined response, a signal from the detection device causes A cooling gas drying device for a rotating electric machine, characterized in that the blower is operated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33255087A JPH01174239A (en) | 1987-12-25 | 1987-12-25 | Cooling gas dryer for electric rotary machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33255087A JPH01174239A (en) | 1987-12-25 | 1987-12-25 | Cooling gas dryer for electric rotary machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01174239A true JPH01174239A (en) | 1989-07-10 |
Family
ID=18256173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33255087A Pending JPH01174239A (en) | 1987-12-25 | 1987-12-25 | Cooling gas dryer for electric rotary machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01174239A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4243995A1 (en) * | 1992-12-23 | 1994-06-30 | Gore W L & Ass Gmbh | Permanent hydrophilic modification for fluoropolymers and methods for generating the modification |
| JP2009291022A (en) * | 2008-05-30 | 2009-12-10 | Chugoku Electric Power Co Inc:The | Insulation device and insulation method for generator field circuit |
| JP2016005387A (en) * | 2014-06-18 | 2016-01-12 | 東芝三菱電機産業システム株式会社 | Insulation deterioration prevention device |
-
1987
- 1987-12-25 JP JP33255087A patent/JPH01174239A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4243995A1 (en) * | 1992-12-23 | 1994-06-30 | Gore W L & Ass Gmbh | Permanent hydrophilic modification for fluoropolymers and methods for generating the modification |
| JP2009291022A (en) * | 2008-05-30 | 2009-12-10 | Chugoku Electric Power Co Inc:The | Insulation device and insulation method for generator field circuit |
| JP2016005387A (en) * | 2014-06-18 | 2016-01-12 | 東芝三菱電機産業システム株式会社 | Insulation deterioration prevention device |
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