JPS63149188U - - Google Patents
Info
- Publication number
- JPS63149188U JPS63149188U JP3969887U JP3969887U JPS63149188U JP S63149188 U JPS63149188 U JP S63149188U JP 3969887 U JP3969887 U JP 3969887U JP 3969887 U JP3969887 U JP 3969887U JP S63149188 U JPS63149188 U JP S63149188U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- short
- smoothing
- circuits
- reactor
- 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
- 238000009499 grossing Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Rectifiers (AREA)
Description
第1図は本考案の一実施例としての構成を示す
回路図、第2図は同じく、第1図中の電流検出回
路の詳細構成を示す図、第3図は同じく第2図の
動作を説明するためのタイムチヤートである。
VDC:直流電源、T:トランス、Q1,Q2
:トランジスタ、1:制御回路、D1,D2:ダ
イオード、L,L1,L2:平滑リアクトル、2
:電流検出回路、RL:負荷、R1〜R6:抵抗
、3:コンパレータ。
FIG. 1 is a circuit diagram showing the configuration of an embodiment of the present invention, FIG. 2 is a diagram showing the detailed configuration of the current detection circuit in FIG. 1, and FIG. 3 is a diagram showing the operation of the current detection circuit in FIG. 2. This is a time chart for explanation. VDC: DC power supply, T: Transformer, Q1, Q2
: Transistor, 1: Control circuit, D1, D2: Diode, L, L1, L2: Smoothing reactor, 2
: Current detection circuit, RL: Load, R1 to R6: Resistor, 3: Comparator.
Claims (1)
トルを介して平滑化する平滑回路において、 前記平滑リアクトルを複数の個別リアクトルの
直列回路として構成するとともに、少なくともこ
の個別リアクトルの1つを短絡する短絡回路を設
け、さらに 前記短絡回路を開閉する開閉手段と、 前記個別リアクトルのうち前記短絡回路を持た
ない個別リアクトルの通電々流を検出する電流検
出手段と、 前記通電々流が所定値を上回るか否かに応じて
前記開閉手段を介し前記短絡回路をそれぞれ閉か
開かに切換える切換制御手段と、を備えたことを
特徴とする整流出力の平滑回路。[Claims for Utility Model Registration] In a smoothing circuit that smoothes a rectified output obtained by rectifying an alternating current voltage via a smoothing reactor, the smoothing reactor is constructed as a series circuit of a plurality of individual reactors, and at least the individual reactors a short-circuit circuit that short-circuits one of the short-circuit circuits, further comprising: opening/closing means for opening and closing the short-circuit circuit; current detection means for detecting current flow in an individual reactor that does not have the short-circuit circuit among the individual reactors; 1. A smoothing circuit for rectified output, comprising switching control means for switching the short circuits to close or open via the switching means depending on whether or not the current exceeds a predetermined value.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3969887U JPS63149188U (en) | 1987-03-18 | 1987-03-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3969887U JPS63149188U (en) | 1987-03-18 | 1987-03-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63149188U true JPS63149188U (en) | 1988-09-30 |
Family
ID=30853111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3969887U Pending JPS63149188U (en) | 1987-03-18 | 1987-03-18 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63149188U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0577775U (en) * | 1991-04-12 | 1993-10-22 | 明子 稲木 | Current detector |
-
1987
- 1987-03-18 JP JP3969887U patent/JPS63149188U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0577775U (en) * | 1991-04-12 | 1993-10-22 | 明子 稲木 | Current detector |
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