JPS59126585U - Gate turn-off thyristor overcurrent protection circuit - Google Patents

Gate turn-off thyristor overcurrent protection circuit

Info

Publication number
JPS59126585U
JPS59126585U JP1676483U JP1676483U JPS59126585U JP S59126585 U JPS59126585 U JP S59126585U JP 1676483 U JP1676483 U JP 1676483U JP 1676483 U JP1676483 U JP 1676483U JP S59126585 U JPS59126585 U JP S59126585U
Authority
JP
Japan
Prior art keywords
gate turn
thyristor
protection circuit
overcurrent protection
thyristor overcurrent
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
JP1676483U
Other languages
Japanese (ja)
Inventor
一 山田
繁 山本
Original Assignee
株式会社日立製作所
日立エンジニアリング株式会社
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 株式会社日立製作所, 日立エンジニアリング株式会社 filed Critical 株式会社日立製作所
Priority to JP1676483U priority Critical patent/JPS59126585U/en
Publication of JPS59126585U publication Critical patent/JPS59126585U/en
Pending legal-status Critical Current

Links

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図は従来の過電流保護回路のブロック図、第２図は
本考案のブロック図である。 ＧＴＯ・・・ゲートターンオフサイリスク、Ｒ−抵抗、
Ｒ１・・・オンゲート電流制限抵抗、Ｑ・・・オフ用ト
ランジスタ、Ｃ・・・パル又供給コンデンサ。FIG. 1 is a block diagram of a conventional overcurrent protection circuit, and FIG. 2 is a block diagram of the present invention. GTO...Gate turn-off risk, R-resistance,
R1: On-gate current limiting resistor, Q: Off transistor, C: Pulse or supply capacitor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ゲートターンオフサイリスタのカソード部に抵抗を接続
し、前記ゲートターンオフサイリスタに流れる過電流を
検出する手段と、前記ゲートターンオフサイリスタに過
電流が通電されると前記ゲートターンオフサイリスタの
主電流をゲートとカソードに分流させ、保持電流以下に
してターンオフさせる手段とからなることを特徴とする
ゲートターンオフサイリスタの過電流保護回路。means for connecting a resistor to the cathode portion of the gate turn-off thyristor to detect an overcurrent flowing through the gate turn-off thyristor; and means for detecting an overcurrent flowing through the gate turn-off thyristor; 1. An overcurrent protection circuit for a gate turn-off thyristor, comprising means for shunting the current and turning off the current below the holding current.
JP1676483U 1983-02-09 1983-02-09 Gate turn-off thyristor overcurrent protection circuit Pending JPS59126585U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1676483U JPS59126585U (en) 1983-02-09 1983-02-09 Gate turn-off thyristor overcurrent protection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1676483U JPS59126585U (en) 1983-02-09 1983-02-09 Gate turn-off thyristor overcurrent protection circuit

Publications (1)

Publication Number Publication Date
JPS59126585U true JPS59126585U (en) 1984-08-25

Family

ID=30148027

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1676483U Pending JPS59126585U (en) 1983-02-09 1983-02-09 Gate turn-off thyristor overcurrent protection circuit

Country Status (1)

Country Link
JP (1) JPS59126585U (en)

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