JPS58124087U - gate drive circuit - Google Patents
gate drive circuitInfo
- Publication number
- JPS58124087U JPS58124087U JP2111782U JP2111782U JPS58124087U JP S58124087 U JPS58124087 U JP S58124087U JP 2111782 U JP2111782 U JP 2111782U JP 2111782 U JP2111782 U JP 2111782U JP S58124087 U JPS58124087 U JP S58124087U
- Authority
- JP
- Japan
- Prior art keywords
- gate
- switching element
- current transformer
- circuit
- drive circuit
- 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
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
第１図は逆変換回路の構成を示す回路図、第２−図は従
来のオフゲート電流供給回路図、第３図は本考案の一実
施例を説明する回路図、第４図は第３図の要部の詳細を
示す回蕗図である。
２１・・・変流器、２２・・・第１ダイオード、２３・
・・第２ダイオード、２４・・・第１スイツチング素子
、２５・・・ＧＴｏ、２９・・・第２スイツチング素子
、３１・・・抵抗、３２・・・コンディサ。FIG. 1 is a circuit diagram showing the configuration of an inverse conversion circuit, FIG. 2 is a conventional off-gate current supply circuit diagram, FIG. 3 is a circuit diagram explaining an embodiment of the present invention, and FIG. FIG. 21... Current transformer, 22... First diode, 23...
...Second diode, 24...First switching element, 25...GTo, 29...Second switching element, 31...Resistor, 32...Condenser.
Claims (1)
側に介挿された変流器、該変流器の２次巻線の一端と前
記ゲートターンオフサイリスタのカソード間に接続され
た第１スイツチング素子と、。 この第１スイツチング素子と前記変流器の一端との電路
間に各介挿′され、ゲートターンオフサモリ伐りへのオ
フゲート電流のみを通過させる逆流防止ダイオードと、
このダイオードと第１スーイツチング素子との間に一端
が接続され、その他端がゲートターンオフサイリスタの
ゲートに接続された第２スイツチング素子と、前記変流
器の両端に接続され、−オフゲート電流以外は電気的に
短絡させるダイオニドとを有するゲートドライブ回路。[Claims for Utility Model Registration] A current transformer inserted on the output side of an inverse conversion circuit using a gate turn-off thyristor, connected between one end of the secondary winding of the current transformer and the cathode of the gate turn-off thyristor. and a first switching element. a backflow prevention diode that is inserted between the electrical circuit between the first switching element and one end of the current transformer, and allows only the off-gate current to pass through the gate turn-off circuit;
A second switching element is connected between the diode and the first switching element, and the other end is connected to the gate of the gate turn-off thyristor, and to both ends of the current transformer. A gate drive circuit having a diionide that electrically shorts the circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2111782U JPS58124087U (en) | 1982-02-17 | 1982-02-17 | gate drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2111782U JPS58124087U (en) | 1982-02-17 | 1982-02-17 | gate drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58124087U true JPS58124087U (en) | 1983-08-23 |
Family
ID=30033248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2111782U Pending JPS58124087U (en) | 1982-02-17 | 1982-02-17 | gate drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58124087U (en) |
-
1982
- 1982-02-17 JP JP2111782U patent/JPS58124087U/en active Pending
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