JPS5851690U - Gate turn-off thyristor control circuit - Google Patents
Gate turn-off thyristor control circuitInfo
- Publication number
- JPS5851690U JPS5851690U JP14841581U JP14841581U JPS5851690U JP S5851690 U JPS5851690 U JP S5851690U JP 14841581 U JP14841581 U JP 14841581U JP 14841581 U JP14841581 U JP 14841581U JP S5851690 U JPS5851690 U JP S5851690U
- Authority
- JP
- Japan
- Prior art keywords
- thyristor
- gate turn
- control circuit
- turn
- gate
- 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図はサイリスクスイッチのスナバ回路を例示する回
路図、第２図はサイリスタのオン・オフ−制御電圧、電
流波形図、第３図はスナバ回路のコンデンサ電圧とサイ
リスタ電圧の関係を示す図、第４図は本考案の一実施例
を示すオフゲート制御回路図である。
ＴＨｕ・・・・・・ＧＴＯサイリスク、Ｏ２０・・・・
・・オフゲート信号源、ＧＣｕ・・・・・・ゲート回路
、Ｃ□・・・・・・過電圧吸収用コンデンサ、Ｒ３，Ｒ
４・・・・・・分圧回路用抵抗、Ｄ２・・・・・・電圧
検出用ツェナーダイオード。Fig. 1 is a circuit diagram illustrating the snubber circuit of a thyrisk switch, Fig. 2 is a diagram of the thyristor on/off control voltage and current waveform, and Fig. 3 is a diagram showing the relationship between the capacitor voltage and thyristor voltage of the snubber circuit. , FIG. 4 is an off-gate control circuit diagram showing an embodiment of the present invention. THu...GTO Cyrisk, O20...
...Off-gate signal source, GCu...Gate circuit, C□...Capacitor for overvoltage absorption, R3, R
4... Resistor for voltage divider circuit, D2... Zener diode for voltage detection.
Claims (1)
に該スイッチのターンオフ時の過電圧吸収用コンデンサ
を持つスナバ回路を備えるゲートターンオフサイリスク
において、上記ゲートターンオフサイリスタのオン状態
における上記コンデンサの電圧が該サイリスクのターン
オフに充分な電圧まで放電された後に該サイリスタのタ
ーンオフ制御が許容されるオフゲート回路を備えたこと
を特徴とするゲートターンオフサイリスタの制御回路。In a gate turn-off thyristor which is equipped with a snubber circuit having a capacitor for absorbing overvoltage when the switch is turned off in parallel with a gate turn-off thyristor as a main switch, the voltage of the capacitor when the gate turn-off thyristor is on is applied to the turn-off of the thyristor. 1. A control circuit for a gate turn-off thyristor, comprising an off-gate circuit that allows turn-off control of the thyristor after being discharged to a sufficient voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14841581U JPS5851690U (en) | 1981-10-06 | 1981-10-06 | Gate turn-off thyristor control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14841581U JPS5851690U (en) | 1981-10-06 | 1981-10-06 | Gate turn-off thyristor control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5851690U true JPS5851690U (en) | 1983-04-07 |
Family
ID=29941233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14841581U Pending JPS5851690U (en) | 1981-10-06 | 1981-10-06 | Gate turn-off thyristor control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5851690U (en) |
-
1981
- 1981-10-06 JP JP14841581U patent/JPS5851690U/en active Pending
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