JPS5991746U - thyristor cooling device - Google Patents
thyristor cooling deviceInfo
- Publication number
- JPS5991746U JPS5991746U JP1982187260U JP18726082U JPS5991746U JP S5991746 U JPS5991746 U JP S5991746U JP 1982187260 U JP1982187260 U JP 1982187260U JP 18726082 U JP18726082 U JP 18726082U JP S5991746 U JPS5991746 U JP S5991746U
- Authority
- JP
- Japan
- Prior art keywords
- thyristor
- cooling device
- power
- electric blower
- cooled
- 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
Landscapes
- Control Of Ac Motors In General (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Thyristors (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は従来のかご形誘導電動機の一次電圧制御による
速度制御装置の主回路接続図、第2図は第1図に示した
回路におけるサイリスタ素子のケース温度の変化を示す
グラフであり、第3図は本考案にかかるサイリスタ冷却
装置の一実施例を示す接続図、第4図は第3図に示した
接続図におけるサイリスタ素子のケース温度の変化を説
明するためのグラフである。
1・・・・・・三相交流電源、2・・・・・・三極電源
開閉器、3・・・・・・サイリスタ群、4・・・・・・
三相誘導電動機、5・・・・・・負荷機、6・・・・・
・ゲート回路、7・・・・・・電動送風機、8・・・・
・・開閉器。Figure 1 is a main circuit connection diagram of a speed control device using primary voltage control for a conventional squirrel cage induction motor, and Figure 2 is a graph showing changes in the case temperature of the thyristor element in the circuit shown in Figure 1. FIG. 3 is a connection diagram showing one embodiment of the thyristor cooling device according to the present invention, and FIG. 4 is a graph for explaining changes in the case temperature of the thyristor element in the connection diagram shown in FIG. 3. 1... Three-phase AC power supply, 2... Three-pole power switch, 3... Thyristor group, 4...
Three-phase induction motor, 5...Load machine, 6...
・Gate circuit, 7... Electric blower, 8...
...Switch.
Claims (1)
制風冷式のサイリスタ応用電力装置において、該サイリ
スタ応用電力装置を形成するサイリスタ素子の温度を検
出する温度検出装置を設けると共に、このサイリスタ素
子冷却用の電動送風機を開閉器を介して電源に接続し、
前記温度検出装置の出力信号によって該電動送風機を運
転、停止せしめることを特徴とするサイリスタ冷却装置
。In a forced-air-cooled thyristor-applied power device connected to a DC or AC power source to supply power to a load, a temperature detection device for detecting the temperature of a thyristor element forming the thyristor-applied power device is provided, and the thyristor element is cooled. Connect the electric blower to the power supply via the switch,
A thyristor cooling device characterized in that the electric blower is operated and stopped according to an output signal of the temperature detection device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1982187260U JPS5991746U (en) | 1982-12-13 | 1982-12-13 | thyristor cooling device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1982187260U JPS5991746U (en) | 1982-12-13 | 1982-12-13 | thyristor cooling device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5991746U true JPS5991746U (en) | 1984-06-21 |
Family
ID=30404262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1982187260U Pending JPS5991746U (en) | 1982-12-13 | 1982-12-13 | thyristor cooling device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5991746U (en) |
-
1982
- 1982-12-13 JP JP1982187260U patent/JPS5991746U/en active Pending
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