JPS5843188U - Protection circuit for self-extinguishing switching element - Google Patents
Protection circuit for self-extinguishing switching elementInfo
- Publication number
- JPS5843188U JPS5843188U JP13884581U JP13884581U JPS5843188U JP S5843188 U JPS5843188 U JP S5843188U JP 13884581 U JP13884581 U JP 13884581U JP 13884581 U JP13884581 U JP 13884581U JP S5843188 U JPS5843188 U JP S5843188U
- Authority
- JP
- Japan
- Prior art keywords
- self
- switching element
- extinguishing switching
- transistor
- protection 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.)
- Granted
Links
Landscapes
- Protection Of Static Devices (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図は従来のＧＴＯの保護回路の一例を示す回路図、
第２図は第１図の特性図、第３図は本考案の一実雄側番
示す回路図、第４図は第３図の特性図、第５図は本考案
の他の実施例を示す回路図、第６図は第５図の特性図、
第７図はＧＴＯのストレージ期間、フォール期間の説明
図であって、図中１はＧＴｏ、２はスナバ回路、３はコ
ンデンサ、６はゲート回路、７はオフ用電源、８．１０
はスイッチ、９はオン用電源、１１はトランジスタ、１
２〜１４はダイオードを示す。 。Figure 1 is a circuit diagram showing an example of a conventional GTO protection circuit.
Fig. 2 is a characteristic diagram of Fig. 1, Fig. 3 is a circuit diagram showing a single male side number of the present invention, Fig. 4 is a characteristic diagram of Fig. 3, and Fig. 5 is another embodiment of the present invention. Circuit diagram, Figure 6 is the characteristic diagram of Figure 5,
FIG. 7 is an explanatory diagram of the storage period and fall period of the GTO, in which 1 is the GTO, 2 is the snubber circuit, 3 is the capacitor, 6 is the gate circuit, 7 is the off power supply, 8.10
is a switch, 9 is a power supply for turning on, 11 is a transistor, 1
2 to 14 indicate diodes. .
Claims (1)
自己消弧形スイッチング素子の両端子間と並列にスナバ
回路が接続されてなる自己消弧形スイッチング素子の保
護回路において、一方の出力電極が前記自己消弧形スイ
ッチング素子の他方の端子に接続され、かつ入力電極が
前記自己消弧形スイッチング素子の制御入力権に接続さ
れたトランジスタと、このトランジスタの入力電極と他
方の出力電極間に並列に、かつカソード側を前記トラン
ジスタの入力電極側にして接続されたダイオードとを備
え、前記トランジスタの他方の出力電極を前記制御回路
を介して前記自己消弧形スイッチング素子の一方の端子
に接続してなる自己消弧形スイッチング素子の保護回路
。In a protection circuit for a self-extinguishing switching element in which a snubber circuit is connected in parallel between both terminals of a self-extinguishing switching element in which a control circuit is connected between the control input power and one output terminal, one output A transistor whose electrode is connected to the other terminal of the self-extinguishing switching element and whose input electrode is connected to the control input of the self-extinguishing switching element, and between the input electrode and the other output electrode of this transistor. and a diode connected in parallel with the transistor with its cathode side facing the input electrode of the transistor, the other output electrode of the transistor being connected to one terminal of the self-extinguishing switching element via the control circuit. A protection circuit for self-extinguishing switching elements connected to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13884581U JPS5843188U (en) | 1981-09-18 | 1981-09-18 | Protection circuit for self-extinguishing switching element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13884581U JPS5843188U (en) | 1981-09-18 | 1981-09-18 | Protection circuit for self-extinguishing switching element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5843188U true JPS5843188U (en) | 1983-03-23 |
| JPS6325859Y2 JPS6325859Y2 (en) | 1988-07-14 |
Family
ID=29932055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13884581U Granted JPS5843188U (en) | 1981-09-18 | 1981-09-18 | Protection circuit for self-extinguishing switching element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5843188U (en) |
-
1981
- 1981-09-18 JP JP13884581U patent/JPS5843188U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6325859Y2 (en) | 1988-07-14 |
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