JPH0226344U - - Google Patents
Info
- Publication number
- JPH0226344U JPH0226344U JP10402788U JP10402788U JPH0226344U JP H0226344 U JPH0226344 U JP H0226344U JP 10402788 U JP10402788 U JP 10402788U JP 10402788 U JP10402788 U JP 10402788U JP H0226344 U JPH0226344 U JP H0226344U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- current
- rectifier
- output
- inrush current
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 230000001629 suppression Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
Landscapes
- Measurement Of Current Or Voltage (AREA)
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
Description
第１図は本考案の１実施例の回路構成図、第２
図は従来技術の回路構成図である。
１……整流回路、２，３……コンバータ回路、
４……トライアツク等の制御整流素子、７，８…
…ＡＣ入力端子、９……突入電流保護抵抗、１０
，１１，１２，１３……ＤＣ出力端子、１４，１
５……外部コントロール端子、２０，３０……制
御回路、２１，３１……スイツチングトランジス
タ、２２，３２……トランス、２３……カレント
トランス、１００……１次電流検出回路、Ｃ，Ｃ
ｄ，Ｃ１，Ｃ２……平滑コンデンサ、Ｌ１，Ｌ２
……平滑コイル、Ｒ……抵抗、Ｒｌ……突入電流
保護抵抗、Ｄ，Ｄ１〜Ｄ４……ダイオード。
Figure 1 is a circuit configuration diagram of one embodiment of the present invention;
The figure is a circuit configuration diagram of a conventional technique. 1... Rectifier circuit, 2, 3... Converter circuit,
4... Control rectifier element such as triax, 7, 8...
...AC input terminal, 9...Inrush current protection resistor, 10
, 11, 12, 13...DC output terminal, 14, 1
5... External control terminal, 20, 30... Control circuit, 21, 31... Switching transistor, 22, 32... Transformer, 23... Current transformer, 100... Primary current detection circuit, C, C
d, C1, C2...Smoothing capacitor, L1, L2
...Smoothing coil, R...Resistor, Rl...Inrush current protection resistor, D, D1-D4...Diode.
Claims (1)
回路の入力側に直列に挿入された突入電流保護抵
抗と、この整流回路の出力点に並列に接続されそ
れぞれＤＣ電力を出力する構成を持つた複数のコ
ンバータ回路とを備えたコンバータの突入電流抑
制回路において、上記出力点の電流を検出する１
次電流検出回路と、上記突入電流保護抵抗と並列
に接続された制御整流素子とを設け、上記１次電
流検出回路の検出出力により上記制御整流素子を
オン状態に制御するよう構成したことを特徴とす
る 突入電流抑制回路。 A rectifier circuit that rectifies AC input current, an inrush current protection resistor inserted in series on the input side of this rectifier circuit, and a plurality of resistors that are connected in parallel to the output point of this rectifier circuit and each output DC power. 1 for detecting the current at the output point;
A secondary current detection circuit and a control rectifier connected in parallel with the inrush current protection resistor are provided, and the control rectifier is controlled to be in an on state by the detection output of the primary current detection circuit. Inrush current suppression circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10402788U JPH0226344U (en) | 1988-08-08 | 1988-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10402788U JPH0226344U (en) | 1988-08-08 | 1988-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0226344U true JPH0226344U (en) | 1990-02-21 |
Family
ID=31335382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10402788U Pending JPH0226344U (en) | 1988-08-08 | 1988-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0226344U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59201636A (en) * | 1983-04-27 | 1984-11-15 | 三菱電機株式会社 | Rush current suppressing device |
-
1988
- 1988-08-08 JP JP10402788U patent/JPH0226344U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59201636A (en) * | 1983-04-27 | 1984-11-15 | 三菱電機株式会社 | Rush current suppressing device |