JPS60114588U - Overcurrent protection circuit for self-excited converter - Google Patents

Overcurrent protection circuit for self-excited converter

Info

Publication number
JPS60114588U
JPS60114588U JP29684U JP29684U JPS60114588U JP S60114588 U JPS60114588 U JP S60114588U JP 29684 U JP29684 U JP 29684U JP 29684 U JP29684 U JP 29684U JP S60114588 U JPS60114588 U JP S60114588U
Authority
JP
Japan
Prior art keywords
self
protection circuit
overcurrent protection
transformer
excited converter
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
JP29684U
Other languages
Japanese (ja)
Other versions
JPS645991Y2 (en
Inventor
昇 加藤
津村　光恒
Original Assignee
富士電気化学株式会社
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 富士電気化学株式会社 filed Critical 富士電気化学株式会社
Priority to JP29684U priority Critical patent/JPS60114588U/en
Publication of JPS60114588U publication Critical patent/JPS60114588U/en
Application granted granted Critical
Publication of JPS645991Y2 publication Critical patent/JPS645991Y2/ja
Granted 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を組込んだ自励型コンバ
ータの７例を示す回路図、第２図はその電流・電圧特性
を示す説明図、第３図は本考案に係る過電流保護回路を
組込んだ自励型コンバータの一実施例を示す回路図、第
４図はその電流−電流特性を示す説明図である。 、、、ｊ淋；？７で＝−−二二−− 出用の抵抗、Ｃｂ９　Ｑ４’・・トランジスタ。Figure 1 is a circuit diagram showing seven examples of self-excited converters incorporating conventional overcurrent protection circuits, Figure 2 is an explanatory diagram showing their current and voltage characteristics, and Figure 3 is an overcurrent according to the present invention. FIG. 4 is a circuit diagram showing an embodiment of a self-excited converter incorporating a protection circuit, and FIG. 4 is an explanatory diagram showing its current-current characteristics. 、、、j淋；? 7=--22-- Output resistor, Cb9 Q4'...transistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 自励型コンバータのトランス−次側主回路に挿入した過
電流検出用の抵抗と、該抵抗とトランスめベース巻線間
に設けた複数のトランジスタからなる制御回路とからな
り、スイッチングｉランジスタのコレクタ電流を前記過
電流検出用の抵抗の電圧降下で検出し、過電流時に前記
制御回路を作動させてトランスのベース巻線の誘起電圧
を直接制御するようにしたことを、特徴とする自励型コ
ンバータの過電流保護回路。It consists of a resistor for overcurrent detection inserted into the main circuit next to the transformer of the self-excited converter, and a control circuit consisting of a plurality of transistors installed between the resistor and the base winding of the transformer. A self-excited type characterized in that the current is detected by the voltage drop of the overcurrent detection resistor, and when the overcurrent occurs, the control circuit is activated to directly control the induced voltage in the base winding of the transformer. Converter overcurrent protection circuit.
JP29684U 1984-01-05 1984-01-05 Overcurrent protection circuit for self-excited converter Granted JPS60114588U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP29684U JPS60114588U (en) 1984-01-05 1984-01-05 Overcurrent protection circuit for self-excited converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29684U JPS60114588U (en) 1984-01-05 1984-01-05 Overcurrent protection circuit for self-excited converter

Publications (2)

Publication Number Publication Date
JPS60114588U true JPS60114588U (en) 1985-08-02
JPS645991Y2 JPS645991Y2 (en) 1989-02-15

Family

ID=30472009

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29684U Granted JPS60114588U (en) 1984-01-05 1984-01-05 Overcurrent protection circuit for self-excited converter

Country Status (1)

Country Link
JP (1) JPS60114588U (en)

Also Published As

Publication number Publication date
JPS645991Y2 (en) 1989-02-15

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