JPS586581U - Gate control circuit of gate turn-off thyristor - Google Patents
Gate control circuit of gate turn-off thyristorInfo
- Publication number
- JPS586581U JPS586581U JP9951181U JP9951181U JPS586581U JP S586581 U JPS586581 U JP S586581U JP 9951181 U JP9951181 U JP 9951181U JP 9951181 U JP9951181 U JP 9951181U JP S586581 U JPS586581 U JP S586581U
- Authority
- JP
- Japan
- Prior art keywords
- gate
- thyristor
- turn
- control circuit
- 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
- 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
第１図はＧＴＯのゲート電流波形図、第２図はＧＴＯの
ゲート制御回路図、第３図はＧＴＯターンオフ時のゲー
ト電圧電流波形図、第４図は本考案のＧＴＯのゲート制
御回路図である。
、 １・・・・・・ＧＴｏ、２・・・・・・直流電源、
３・・・・・・トランジスタ、４・・・・・・トランジ
スタ、５・・・・・・パルストランス、６・・・・・・
ダイオード、７・・・・・・ダイオード、８・・・・・
・抵抗、９・・・・・・オフゲート回路、１０・・・・
・・トランジスタ、１１・・・・・・抵抗。Figure 1 is a diagram of the gate current waveform of the GTO, Figure 2 is a diagram of the gate control circuit of the GTO, Figure 3 is a diagram of the gate voltage and current waveform at GTO turn-off, and Figure 4 is a diagram of the gate control circuit of the GTO of the present invention. be. , 1...GTo, 2...DC power supply,
3...Transistor, 4...Transistor, 5...Pulse transformer, 6...
Diode, 7...Diode, 8...
・Resistance, 9... Off-gate circuit, 10...
...Transistor, 11...Resistor.
Claims (1)
ゲート電流を通流してターンオフさせる回路、及びゲ
ートターンオフサイリスタのゲート−にオフゲート電流
を通流してターンオフさせる回路−を備えたゲートター
ンオフサイリスタのゲート制御回路において、前記オン
ゲート回路はミゲートターンオフサイリスタがオンする
期間交流電圧を発生するパルストランス、パルストラン
スの２次電圧を整流して直流に変換するダイオード、ダ
イオードの出力とゲートターンオフサイリスタのゲート
を接続する半導体スイッチと抵抗の直列回路で構成し、
前記半導体スイッチはゲートターンオフサイリスタのオ
ン期間だけオンするようにしたことを特徴とするゲート
ターンオフサイリスタのゲート制御回路。 ２ 実用新案登録請求の範囲第１項において、オンゲー
ト回路の半導体スイッチをトランジスタとして、パルス
トランスの２次電圧によって前記トランジスタにベース
電流を流しオンするよう↓こしたことを特徴とするゲー
ト、ターンオフサイリスタのゲート制御回路。[Claims for Utility Model Registration] 1 Turn-on to the gate of the gate turn-off thyristor
In a gate control circuit for a gate turn-off thyristor, the gate control circuit includes a circuit for turning off the gate turn-off thyristor by passing a gate current therethrough, and a circuit for turning off the gate turn-off thyristor by passing an off-gate current through the gate of the gate turn-off thyristor. It consists of a pulse transformer that generates an alternating current voltage for a period of time, a diode that rectifies the secondary voltage of the pulse transformer and converts it to direct current, and a series circuit of a semiconductor switch and a resistor that connects the output of the diode and the gate of the gate turn-off thyristor.
A gate control circuit for a gate turn-off thyristor, wherein the semiconductor switch is turned on only during an on-period of the gate turn-off thyristor. 2. A gate turn-off thyristor according to claim 1 of the utility model registration claim, characterized in that the semiconductor switch of the on-gate circuit is a transistor, and a base current is caused to flow through the transistor and turn it on by a secondary voltage of a pulse transformer. gate control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9951181U JPS586581U (en) | 1981-07-06 | 1981-07-06 | Gate control circuit of gate turn-off thyristor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9951181U JPS586581U (en) | 1981-07-06 | 1981-07-06 | Gate control circuit of gate turn-off thyristor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS586581U true JPS586581U (en) | 1983-01-17 |
Family
ID=29894248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9951181U Pending JPS586581U (en) | 1981-07-06 | 1981-07-06 | Gate control circuit of gate turn-off thyristor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS586581U (en) |
-
1981
- 1981-07-06 JP JP9951181U patent/JPS586581U/en active Pending
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