JPS6061844U - Gate turn-off thyristor drive circuit - Google Patents
Gate turn-off thyristor drive circuitInfo
- Publication number
- JPS6061844U JPS6061844U JP15471183U JP15471183U JPS6061844U JP S6061844 U JPS6061844 U JP S6061844U JP 15471183 U JP15471183 U JP 15471183U JP 15471183 U JP15471183 U JP 15471183U JP S6061844 U JPS6061844 U JP S6061844U
- Authority
- JP
- Japan
- Prior art keywords
- gate
- output
- voltage side
- transformer
- 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)
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はＧＴＯサイリスタのゲートドライブ波形図、第
２図は本考案の一実施例を示す回路図である。
１・・・ＧＴＯサイリスク、２・・・オンゲート用トラ
ンス、３・・・オフゲート用トランス、４・・・パルス
トランス、５，１２・・・発振回路、６，１３・・・増
幅器、７，１４・・・整流回路、１０． １６．２６・
・・ツェナーダイオード、１８・・・スイッチｘｉ御回
路、２２・・・パルス発生器、２１． ２５・・・サイ
リスタ。FIG. 1 is a gate drive waveform diagram of a GTO thyristor, and FIG. 2 is a circuit diagram showing an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... GTO thyrisk, 2... Transformer for on-gate, 3... Transformer for off-gate, 4... Pulse transformer, 5, 12... Oscillation circuit, 6, 13... Amplifier, 7, 14 ... rectifier circuit, 10. 16.26・
. . . Zener diode, 18 . . . Switch xi control circuit, 22 . . . Pulse generator, 21. 25...thyristor.
Claims (1)
この発振器の出力を低圧側と高圧側の絶縁を確保して高
圧側に与えるオンゲート用トランスとこのトランスの出
力整流電圧で自己点弧して該整流出力をオンゲート電流
として発生するトランジスタとを有するオンゲートドラ
イブ回路と、オフゲート信号で発振制御されて電力増幅
する発振器とこの発振器の出力を低圧側と高圧側の絶縁
を確保して高圧側に与えるオフゲート用トランスとこの
トランスの出力整流電圧で自己点弧して該整流出力を第
１のオフゲート電流として発生するトランジスタとを有
する第１のオフゲートドライブ回路と、オフゲート信号
で１発のパルス発生する低圧側パルス電源回路とこのパ
ルス電源回路の出力を低圧側と高圧側の絶縁を確保して
高圧側に与えるパルストランスとこのトランスの出力を
充電するコンデンサ電圧で自己点弧して該コンデンサ電
圧を上記第１のオフゲートドライブ回路出力に重畳する
パルス電流を発生するサイリスタとを有する第２のオフ
ゲートドライブ回路とを備えたことを特徴とするゲート
ターンオフサイリスタのドライブ回路。An oscillator whose oscillation is controlled by an on-gate signal to amplify power; an on-gate transformer that supplies the output of this oscillator to the high-voltage side while ensuring insulation between the low-voltage side and the high-voltage side; and an on-gate transformer that is self-ignited and rectified using the output rectified voltage of this transformer. An on-gate drive circuit including a transistor that generates an output as an on-gate current, an oscillator whose oscillation is controlled by an off-gate signal to amplify power, and an off-gate that provides the output of this oscillator to the high-voltage side while ensuring insulation between the low-voltage side and the high-voltage side. a first off-gate drive circuit comprising a transformer for use in the off-gate circuit and a transistor that self-ignites with the output rectified voltage of the transformer to generate the rectified output as a first off-gate current; A side pulse power supply circuit and a pulse transformer which ensures insulation between the low voltage side and the high voltage side and supplies the output of this pulse power supply circuit to the high voltage side, and a capacitor voltage that charges the output of this transformer are self-ignited to raise the capacitor voltage above A drive circuit for a gate turn-off thyristor, comprising: a second off-gate drive circuit having a thyristor that generates a pulse current superimposed on the output of the first off-gate drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15471183U JPS6061844U (en) | 1983-10-05 | 1983-10-05 | Gate turn-off thyristor drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15471183U JPS6061844U (en) | 1983-10-05 | 1983-10-05 | Gate turn-off thyristor drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6061844U true JPS6061844U (en) | 1985-04-30 |
Family
ID=30341906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15471183U Pending JPS6061844U (en) | 1983-10-05 | 1983-10-05 | Gate turn-off thyristor drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6061844U (en) |
-
1983
- 1983-10-05 JP JP15471183U patent/JPS6061844U/en active Pending
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