JPS62152689U - - Google Patents
Info
- Publication number
- JPS62152689U JPS62152689U JP3898286U JP3898286U JPS62152689U JP S62152689 U JPS62152689 U JP S62152689U JP 3898286 U JP3898286 U JP 3898286U JP 3898286 U JP3898286 U JP 3898286U JP S62152689 U JPS62152689 U JP S62152689U
- Authority
- JP
- Japan
- Prior art keywords
- gto
- circuit
- series
- diode
- inverter
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Protection Of Static Devices (AREA)
Description
第１図は本考案の一実施例を示す接続図、第２
図は本考案の効果を示すための波形図、第３図は
ゲートターンオフサイリスタのターンオフ時に発
生する波形変化の従来例を示す図、第４図はゲー
トターンオフサイリスタの周辺回路の従来例を示
す図、第５図はゲートターンオフサイリスタへの
印加電圧を説明するための図、第６図はゲートタ
ーンオフサイリスタ係印加される逆方向電圧に対
する従来の保護回路を示す図、第７図はダイオー
ドの立ち上り電圧特性を示す図である。
１，１ａ，１ｂ，１ｃ，１ｄ…ＧＴＯ、２…ス
ナバダイオード、３…スナバ抵抗、４…スナバコ
ンデンサ、５…リアクトル、６，６ａ，６ｂ…ダ
イオード、７…漂遊インダクタンス、８，８ａ，
８ｂ…保護用ダイオード、９ａ，９ｂ…コンデン
サ、１０…負荷リアクトル、１１…漂遊キヤパシ
タンス。
Fig. 1 is a connection diagram showing one embodiment of the present invention;
The figure is a waveform diagram to show the effects of the present invention, Figure 3 is a diagram showing a conventional example of waveform changes that occur when a gate turn-off thyristor is turned off, and Figure 4 is a diagram showing a conventional example of a peripheral circuit of a gate turn-off thyristor. , Fig. 5 is a diagram for explaining the applied voltage to the gate turn-off thyristor, Fig. 6 is a diagram showing a conventional protection circuit against reverse voltage applied to the gate turn-off thyristor, and Fig. 7 is a diagram for explaining the voltage applied to the gate turn-off thyristor. FIG. 3 is a diagram showing characteristics. 1, 1a, 1b, 1c, 1d... GTO, 2... Snubber diode, 3... Snubber resistor, 4... Snubber capacitor, 5... Reactor, 6, 6a, 6b... Diode, 7... Stray inductance, 8, 8a,
8b...protective diode, 9a, 9b...capacitor, 10...load reactor, 11...stray capacitance.
Claims (1)
該ＧＴＯと直列接続されたリアクトルと、前記直
列回路と並列的に接続される帰還ダイオードと、
ＧＴＯに並列接続されるスナバ回路と、前記ＧＴ
Ｏに逆並列に設けられたＧＴＯの逆電圧保護用ダ
イオードとから成る回路を構成要素としたインバ
ータ回路において、該保護用ダイオードは、少な
くとも２個以上のダイオードを直列接続すること
を特徴とするＧＴＯインバータ。 (2) 前記保護用ダイオードの順電圧は帰還用ダ
イオードの順電圧より高くなるように選定したこ
とを特徴とする実用新案登録請求の範囲第１項記
載のＧＴＯインバータ。[Claims for Utility Model Registration] (1) A GTO (gate turn-off thyristor), a reactor connected in series with the GTO, and a feedback diode connected in parallel with the series circuit;
a snubber circuit connected in parallel to the GTO;
An inverter circuit comprising a circuit consisting of a GTO reverse voltage protection diode provided in antiparallel to the GTO, the protection diode being at least two or more diodes connected in series. inverter. (2) The GTO inverter according to claim 1, wherein the forward voltage of the protection diode is selected to be higher than the forward voltage of the feedback diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986038982U JPH0729750Y2 (en) | 1986-03-19 | 1986-03-19 | GTO inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986038982U JPH0729750Y2 (en) | 1986-03-19 | 1986-03-19 | GTO inverter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62152689U true JPS62152689U (en) | 1987-09-28 |
| JPH0729750Y2 JPH0729750Y2 (en) | 1995-07-05 |
Family
ID=30851729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986038982U Expired - Lifetime JPH0729750Y2 (en) | 1986-03-19 | 1986-03-19 | GTO inverter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0729750Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5731378A (en) * | 1980-08-01 | 1982-02-19 | Hitachi Ltd | Semiconductor current switching circuit |
| JPS5963996A (en) * | 1982-09-16 | 1984-04-11 | Sanyo Electric Co Ltd | Electric razor |
-
1986
- 1986-03-19 JP JP1986038982U patent/JPH0729750Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5731378A (en) * | 1980-08-01 | 1982-02-19 | Hitachi Ltd | Semiconductor current switching circuit |
| JPS5963996A (en) * | 1982-09-16 | 1984-04-11 | Sanyo Electric Co Ltd | Electric razor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0729750Y2 (en) | 1995-07-05 |
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