JPS62198882U - - Google Patents
Info
- Publication number
- JPS62198882U JPS62198882U JP8639186U JP8639186U JPS62198882U JP S62198882 U JPS62198882 U JP S62198882U JP 8639186 U JP8639186 U JP 8639186U JP 8639186 U JP8639186 U JP 8639186U JP S62198882 U JPS62198882 U JP S62198882U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- coil
- series
- photothyristor
- transformer
- 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
- 238000010586 diagram Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
Landscapes
- Electronic Switches (AREA)
- Dc-Dc Converters (AREA)
Description
第１図は本考案の一実施例の回路図、第２図は
従来の一例の回路図である。
１……入力電源、２，３……入力端子、４，１
９……抵抗器、５，６……１次コイルＬ１の端子
、７……変成器、８，９……２次コイルＬ２の端
子、１０，１７……ダイオード、１１……平滑コ
ンデンサ、１２，１３……出力端子、１４……負
荷、１５，１６……駆動コイルＬＤの端子、１８
……定電圧ダイオード、２０……ホトサイリスタ
の発光部、２１……ベース回路、２２……スイツ
チング素子、２３……ホトサイリスタの受光部、
２４……雑音吸収回路、２５……サーキツトブレ
ーカのトリツプコイル、２６……サーキツトブレ
ーカ。
FIG. 1 is a circuit diagram of an embodiment of the present invention, and FIG. 2 is a circuit diagram of a conventional example. 1... Input power supply, 2, 3... Input terminal, 4, 1
9...Resistor, 5,6...Terminal of primary coil L1 , 7...Transformer, 8,9...Terminal of secondary coil L2 , 10,17...Diode, 11...Smoothing capacitor , 12, 13...Output terminal, 14...Load, 15, 16...Terminal of drive coil LD, 18
... Constant voltage diode, 20 ... Light emitting part of photothyristor, 21 ... Base circuit, 22 ... Switching element, 23 ... Light receiving part of photothyristor,
24...Noise absorption circuit, 25...Trip coil of circuit breaker, 26...Circuit breaker.
Claims (1)
、１次コイル、２次コイルおよび駆動コイルをも
つ変成器と、この変成器の１次側に前記１次コイ
ルに直列に挿入されたスイツチング素子と、２次
コイルの電圧を整流する整流回路とからなるリン
ギングチヨークコンバータにおいて、前記駆動コ
イルに並列に接続されたダイオード、定電圧ダイ
オード、抵抗器およびホトサイリスタの発光部の
直列回路と、前記サーキツトブレーカのトリツプ
コイルに直列に接続された前記ホトサイリスタの
受光部とを設けたことを特徴とするリンギングチ
ヨークコンバータの過電圧保護回路。 a DC power supply, a circuit breaker for a power supply circuit, a transformer having a primary coil, a secondary coil, and a drive coil; a switching element inserted in series with the primary coil on the primary side of the transformer; A ringing chain converter includes a rectifier circuit that rectifies the voltage of a secondary coil, and a series circuit of a diode, a constant voltage diode, a resistor, and a light emitting part of a photothyristor connected in parallel to the drive coil, and the circuit. 1. An overvoltage protection circuit for a ringing chain converter, comprising: a light receiving section of the photothyristor connected in series to a trip coil of a breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8639186U JPS62198882U (en) | 1986-06-06 | 1986-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8639186U JPS62198882U (en) | 1986-06-06 | 1986-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62198882U true JPS62198882U (en) | 1987-12-17 |
Family
ID=30942653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8639186U Pending JPS62198882U (en) | 1986-06-06 | 1986-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62198882U (en) |
-
1986
- 1986-06-06 JP JP8639186U patent/JPS62198882U/ja active Pending