JPS593785U - GTO protection circuit - Google Patents

GTO protection circuit

Info

Publication number
JPS593785U
JPS593785U JP9776382U JP9776382U JPS593785U JP S593785 U JPS593785 U JP S593785U JP 9776382 U JP9776382 U JP 9776382U JP 9776382 U JP9776382 U JP 9776382U JP S593785 U JPS593785 U JP S593785U
Authority
JP
Japan
Prior art keywords
gto
protection circuit
snubber
capacitor
anode
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
JP9776382U
Other languages
Japanese (ja)
Inventor
俊昭 鈴木
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 JP9776382U priority Critical patent/JPS593785U/en
Publication of JPS593785U publication Critical patent/JPS593785U/en
Pending legal-status Critical Current

Links

Landscapes

  • Protection Of Static Devices (AREA)
  • 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図は従来のスナバ回路の接続図、第２図は同スナバ
回路の配線状態での等価回路図、第３図はＧＴＯのター
ンオフ時のアノード電圧、電流の波形図、第４図は本考
案に係るＧＴＯ保護回路の一実施例を示す接続図、第５
図及び第６図はそれぞれスナバ回路並列化の他の態様を
示す接続図である。 Ｑ・・・ＧＴＯ９Ｄ８．ＤＳ□〜Ｄ８３・・・スナバダ
イオード、Ｃ８，Ｃ８１〜Ｃ８３・・・スナバコンデン
サ、Ｒ５・・・スナバ抵抗。Figure 1 is a connection diagram of a conventional snubber circuit, Figure 2 is an equivalent circuit diagram of the same snubber circuit in its wiring state, Figure 3 is an anode voltage and current waveform diagram at GTO turn-off, and Figure 4 is a diagram of the current snubber circuit. Connection diagram showing one embodiment of the GTO protection circuit according to the invention, No. 5
6 and 6 are connection diagrams showing other aspects of parallelization of snubber circuits, respectively. Q...GTO9D8. DS□~D83... Snubber diode, C8, C81~C83... Snubber capacitor, R5... Snubber resistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 並列時にその合成容量が所定値となる静電容量のスナバ
弓ンデンサ複数個を各々スナバダイオードを介し、かつ
個別の配線でＧＴＯのアノード、カソード間に接続する
とともに、スナバ抵抗を各コンデンサ共通となるように
接続したことを特徴とす＋ＧＴＯ保護回路。A plurality of snubber capacitors whose combined capacitance becomes a predetermined value when paralleled are connected between the anode and cathode of the GTO through a snubber diode and with individual wiring, and the snubber resistor is common to each capacitor. The +GTO protection circuit is characterized by being connected as follows.
JP9776382U 1982-06-29 1982-06-29 GTO protection circuit Pending JPS593785U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9776382U JPS593785U (en) 1982-06-29 1982-06-29 GTO protection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9776382U JPS593785U (en) 1982-06-29 1982-06-29 GTO protection circuit

Publications (1)

Publication Number Publication Date
JPS593785U true JPS593785U (en) 1984-01-11

Family

ID=30232405

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9776382U Pending JPS593785U (en) 1982-06-29 1982-06-29 GTO protection circuit

Country Status (1)

Country Link
JP (1) JPS593785U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61139263A (en) * 1984-11-28 1986-06-26 ベー・ベー・ツエー・アクチエンゲゼルシヤフト・ブラウン・ボヴエリ・ウント・コンパニイ Anode-cathode connection circuit with limited induction

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55114135A (en) * 1979-02-26 1980-09-03 Tokyo Shibaura Electric Co Surge absorbing circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55114135A (en) * 1979-02-26 1980-09-03 Tokyo Shibaura Electric Co Surge absorbing circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61139263A (en) * 1984-11-28 1986-06-26 ベー・ベー・ツエー・アクチエンゲゼルシヤフト・ブラウン・ボヴエリ・ウント・コンパニイ Anode-cathode connection circuit with limited induction

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