JPS5991746U - thyristor cooling device - Google Patents

thyristor cooling device

Info

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
Application number
JP1982187260U
Other languages
Japanese (ja)
Inventor
増田 和典
Original Assignee
東洋電機製造株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 東洋電機製造株式会社 filed Critical 東洋電機製造株式会社
Priority to JP1982187260U priority Critical patent/JPS5991746U/en
Publication of JPS5991746U publication Critical patent/JPS5991746U/en
Pending legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 直流または交流電源に接続され負荷に電力を供給する強
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.
JP1982187260U 1982-12-13 1982-12-13 thyristor cooling device Pending JPS5991746U (en)

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)

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