JPS5859379U - Gate turn-off thyristor failure detection device - Google Patents

Gate turn-off thyristor failure detection device

Info

Publication number
JPS5859379U
JPS5859379U JP15363381U JP15363381U JPS5859379U JP S5859379 U JPS5859379 U JP S5859379U JP 15363381 U JP15363381 U JP 15363381U JP 15363381 U JP15363381 U JP 15363381U JP S5859379 U JPS5859379 U JP S5859379U
Authority
JP
Japan
Prior art keywords
gate
detection device
failure detection
switching element
cathode
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.)
Granted
Application number
JP15363381U
Other languages
Japanese (ja)
Other versions
JPS6349098Y2 (en
Inventor
渋谷　忠士
政木　久光
Original Assignee
株式会社明電舎
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 株式会社明電舎 filed Critical 株式会社明電舎
Priority to JP15363381U priority Critical patent/JPS5859379U/en
Publication of JPS5859379U publication Critical patent/JPS5859379U/en
Application granted granted Critical
Publication of JPS6349098Y2 publication Critical patent/JPS6349098Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Power Conversion In General (AREA)
  • Thyristor Switches And Gates (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 drawings]

第１図は従来の故障検出装置を示す具体的な回路図、第
２図は本考案による一実施例を示す故障検出装置の具体
的な回路図、第３図はその動作を示すタイムチャート図
。 １はゲートターンオフサイリスタ、４−５は整流回路、
６−７はスイッチング素子、８−９は故障検出回路、８
□−９１は発光ダイオード、８゜−９□はフォトトラン
ジスタ。Fig. 1 is a specific circuit diagram showing a conventional fault detection device, Fig. 2 is a specific circuit diagram of a fault detection device showing an embodiment of the present invention, and Fig. 3 is a time chart showing its operation. . 1 is a gate turn-off thyristor, 4-5 is a rectifier circuit,
6-7 is a switching element, 8-9 is a failure detection circuit, 8
□-91 is a light emitting diode, and 8°-9□ is a phototransistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 交流入力電源電圧を整流する第１の整流回路と、この回
路の直流出力側に設けられ所定のＯＮゲート信号をゲー
ト−カソードの経路で与える第１のスイッチング素子と
、交流入力電源電圧を整流する第２の整流回路と、この
回路の直流出力側に設けられ所定のＯＦＦゲート信号を
カソード−ゲートの経路で与える第２のスイッチング素
子と、ＯＦＦ時のゲート・カソード間の電圧に応動する
第１の発光素子と、ＯＮ時のゲート・カソード間の電圧
に応動子る第２の発光素子と、これら発光素子の出力に
応動して所定の検出信号を取出す第１及び第２の受光素
子とでそれぞれ構成したことを特徴とするゲートターン
オフサイリスタの故障検出装置。A first rectifier circuit that rectifies an AC input power supply voltage, a first switching element that is provided on the DC output side of this circuit and provides a predetermined ON gate signal through a gate-cathode path, and a first switching element that rectifies the AC input power supply voltage. a second rectifier circuit, a second switching element provided on the DC output side of this circuit and applying a predetermined OFF gate signal through a cathode-gate path; a second light emitting element that responds to the voltage between the gate and cathode when turned on, and first and second light receiving elements that output predetermined detection signals in response to the outputs of these light emitting elements. A failure detection device for a gate turn-off thyristor, characterized in that each of them is configured.
JP15363381U 1981-10-16 1981-10-16 Gate turn-off thyristor failure detection device Granted JPS5859379U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15363381U JPS5859379U (en) 1981-10-16 1981-10-16 Gate turn-off thyristor failure detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15363381U JPS5859379U (en) 1981-10-16 1981-10-16 Gate turn-off thyristor failure detection device

Publications (2)

Publication Number Publication Date
JPS5859379U true JPS5859379U (en) 1983-04-21
JPS6349098Y2 JPS6349098Y2 (en) 1988-12-16

Family

ID=29946245

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15363381U Granted JPS5859379U (en) 1981-10-16 1981-10-16 Gate turn-off thyristor failure detection device

Country Status (1)

Country Link
JP (1) JPS5859379U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5983569A (en) * 1982-10-30 1984-05-15 Toshiba Corp Trouble detecting circuit for gate turn-off thyristor
JPS62199117A (en) * 1986-02-27 1987-09-02 Fuji Electric Co Ltd Fault detection circuit for gto thyristor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS506272A (en) * 1973-05-17 1975-01-22
JPS5219955A (en) * 1975-08-08 1977-02-15 Toshiba Corp Gate turn-off thyristor protector
JPS5545274A (en) * 1978-09-26 1980-03-29 Hitachi Ltd Gate circuit of gate turn-off thyristor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS506272A (en) * 1973-05-17 1975-01-22
JPS5219955A (en) * 1975-08-08 1977-02-15 Toshiba Corp Gate turn-off thyristor protector
JPS5545274A (en) * 1978-09-26 1980-03-29 Hitachi Ltd Gate circuit of gate turn-off thyristor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5983569A (en) * 1982-10-30 1984-05-15 Toshiba Corp Trouble detecting circuit for gate turn-off thyristor
JPS62199117A (en) * 1986-02-27 1987-09-02 Fuji Electric Co Ltd Fault detection circuit for gto thyristor

Also Published As

Publication number Publication date
JPS6349098Y2 (en) 1988-12-16

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