JPS6051738U - Inrush current prevention circuit - Google Patents
Inrush current prevention circuitInfo
- Publication number
- JPS6051738U JPS6051738U JP14172283U JP14172283U JPS6051738U JP S6051738 U JPS6051738 U JP S6051738U JP 14172283 U JP14172283 U JP 14172283U JP 14172283 U JP14172283 U JP 14172283U JP S6051738 U JPS6051738 U JP S6051738U
- Authority
- JP
- Japan
- Prior art keywords
- thyristor
- inrush current
- current prevention
- series
- prevention 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
- Dc-Dc Converters (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の突入電流防止回路の一例を示す回路図、
第２図は本考案による突入電流防止回路の一実施例を示
す回路図である。
１・・・・・・入力電源、２・・・・・・電源スィッチ
、３・・・・・・抵抗、４・・・・・・サイリスタ、５
・・・・・・入力コンデンサ、１２・・・・・・リレー
、１２ａ・・・・・・リレーの検出コイル、１２ｂ・・
・・・・リレーの開閉接点。Figure 1 is a circuit diagram showing an example of a conventional inrush current prevention circuit.
FIG. 2 is a circuit diagram showing an embodiment of the inrush current prevention circuit according to the present invention. 1... Input power supply, 2... Power switch, 3... Resistor, 4... Thyristor, 5
...Input capacitor, 12...Relay, 12a...Relay detection coil, 12b...
...Relay opening/closing contact.
Claims (1)
した回路と、入力コンデンサとが順次直列に接続された
突入電流防止回路において、前記サイリスタと直列に接
続した検出コイルと前記サイリスクのゲート回路に直列
に接続した開閉接点とを有するリレーを設け、前記サイ
リスタのアノードあるいはカソード電流が流れたときに
前記サイリスタのゲート回路を開放し得るようにしたこ
とを特徴とする突入電流防止回路。In an inrush current prevention circuit in which an input terminal of a power supply device, a circuit in which a thyristor and a resistor are connected in parallel, and an input capacitor are sequentially connected in series, a detection coil connected in series with the thyristor and a gate circuit of the thyristor are connected in series. 1. An inrush current prevention circuit, comprising a relay having opening/closing contacts connected in series so that a gate circuit of the thyristor can be opened when an anode or cathode current of the thyristor flows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14172283U JPS6051738U (en) | 1983-09-13 | 1983-09-13 | Inrush current prevention circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14172283U JPS6051738U (en) | 1983-09-13 | 1983-09-13 | Inrush current prevention circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6051738U true JPS6051738U (en) | 1985-04-11 |
Family
ID=30316889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14172283U Pending JPS6051738U (en) | 1983-09-13 | 1983-09-13 | Inrush current prevention circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6051738U (en) |
-
1983
- 1983-09-13 JP JP14172283U patent/JPS6051738U/en active Pending
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