JPS59180534U - GTO gate drive circuit - Google Patents
GTO gate drive circuitInfo
- Publication number
- JPS59180534U JPS59180534U JP7431983U JP7431983U JPS59180534U JP S59180534 U JPS59180534 U JP S59180534U JP 7431983 U JP7431983 U JP 7431983U JP 7431983 U JP7431983 U JP 7431983U JP S59180534 U JPS59180534 U JP S59180534U
- Authority
- JP
- Japan
- Prior art keywords
- gto
- current
- switching element
- gate
- 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
Landscapes
- Thyristor Switches And Gates (AREA)
- Electronic Switches (AREA)
- Power Conversion In General (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
第1図は従来例を示す回路図、第2図は第1図・ の
動作を述べるための波形図、第3図はこの考案の一実施
例を示す回路図、第4図は第3図の動作を述べるための
波形図である。
1・・・GTo、4・・・第1電源ζ6・・・第1トラ
ンジスタ、7・・・コンデンサ、9・・・第2電源、1
0・・・第2トランジスタ、11・・・限流リアクトル
、14・・・第3トランジスタ、16・・・ダイオード
。Fig. 1 is a circuit diagram showing a conventional example, Fig. 2 is a waveform diagram to describe the operation of Fig. 1, Fig. 3 is a circuit diagram showing an embodiment of this invention, and Fig. 4 is a diagram showing the operation of Fig. 3. FIG. 3 is a waveform diagram for describing the operation of FIG. 1... GTo, 4... First power supply ζ6... First transistor, 7... Capacitor, 9... Second power supply, 1
0... Second transistor, 11... Current limiting reactor, 14... Third transistor, 16... Diode.
Claims (1)
1スイツチング素子と、前記GTOのゲートオフ電流を
供給する回路に介挿された第2ス゛イツチング素子と、
前記GTOのアノード側に設けられ、前記第1スイツチ
ング素子をオンさせた後、GTOの主回路電流の立上り
時に所定の電圧が巻線に発生される限流リアクトルと、
このリアクトルの巻線に発生された電圧による電流でオ
ンされる第3スイツチング素子と、この第3スイツチン
グ素子がオンされたとき、di/dtを保証するゲート
電流を前記GTOのゲートに供給するダイオードとを備
えたGTOゲートドライブ回路。a first switching element inserted in a circuit that supplies a gate-on current of the GTO; a second switching element inserted in a circuit that supplies a gate-off current of the GTO;
a current limiting reactor that is provided on the anode side of the GTO and generates a predetermined voltage in the winding when the main circuit current of the GTO rises after turning on the first switching element;
a third switching element that is turned on by a current caused by a voltage generated in the winding of the reactor; and a diode that supplies a gate current that guarantees di/dt to the gate of the GTO when the third switching element is turned on. GTO gate drive circuit with
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7431983U JPS59180534U (en) | 1983-05-18 | 1983-05-18 | GTO gate drive circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7431983U JPS59180534U (en) | 1983-05-18 | 1983-05-18 | GTO gate drive circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS59180534U true JPS59180534U (en) | 1984-12-03 |
Family
ID=30204412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7431983U Pending JPS59180534U (en) | 1983-05-18 | 1983-05-18 | GTO gate drive circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59180534U (en) |
-
1983
- 1983-05-18 JP JP7431983U patent/JPS59180534U/en active Pending
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