JPS637993U - - Google Patents
Info
- Publication number
- JPS637993U JPS637993U JP9881186U JP9881186U JPS637993U JP S637993 U JPS637993 U JP S637993U JP 9881186 U JP9881186 U JP 9881186U JP 9881186 U JP9881186 U JP 9881186U JP S637993 U JPS637993 U JP S637993U
- Authority
- JP
- Japan
- Prior art keywords
- saturable reactor
- diode
- transformer
- circuit
- power supply
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Control Of Electrical Variables (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、第３図ａは第２図の変成器
４の２次コイルに生じる電圧ＶＡ波形、第３図ｂ
は第２図の可飽和リアクトル５の両端に生じる電
圧ＶＢ波形、第４図は可飽和リアクトルの磁心の
Ｂ―Ｈ特性図、第５図ａ，ｂはそれぞれ整流ダイ
オードに流れるリカバリ電流を考慮に入れた時の
第２図のトランス４の２次巻線電圧波形および可
飽和リアクトル両端電圧波形、第６図は可飽和リ
アクトルの磁心のＢ―Ｈ特性図である。
１……直流電源、２……スイツチングトランジ
スタ、３……トランジスタスイツチング用パルス
発生回路、４……変成器、５……可飽和リアクト
ル、６……整流ダイオード、７，８，１０……ダ
イオード、１１……放電用抵抗、１２……コンデ
ンサ、１３……リカバリ電流による電圧、１４…
…制御電圧による磁心のリセツト、１５……リカ
バリ電流によるリセツト、１６……平滑チヨーク
コイル、１７……電解コンデンサ、Ｔ……パルス
周期、ＴＯＮ……トランジスタオン期間、ｔＯＮ
……可飽和リアクトル飽和期間、ｔＯｆｆ……可
飽和リアクトル不飽和期間、ｔ１，ｔ２，ｔ３…
…時刻。
Fig. 1 is a circuit diagram of an embodiment of the present invention, Fig. 2 is a circuit diagram of a conventional example, Fig. 3a is a voltage VA waveform generated in the secondary coil of transformer 4 in Fig. b
is the voltage VB waveform generated across the saturable reactor 5 in Fig. 2, Fig. 4 is the B-H characteristic diagram of the magnetic core of the saturable reactor, and Fig. 5 a and b are taken into account the recovery current flowing through the rectifier diode, respectively. FIG. 2 shows the voltage waveform of the secondary winding of the transformer 4 and the voltage waveform across the saturable reactor when the transformer is turned on, and FIG. 6 shows the BH characteristic diagram of the magnetic core of the saturable reactor. DESCRIPTION OF SYMBOLS 1... DC power supply, 2... Switching transistor, 3... Pulse generation circuit for transistor switching, 4... Transformer, 5... Saturable reactor, 6... Rectifier diode, 7, 8, 10... Diode, 11... Discharge resistor, 12... Capacitor, 13... Voltage due to recovery current, 14...
... Reset of magnetic core by control voltage, 15 ... Reset by recovery current, 16 ... Smooth choke coil, 17 ... Electrolytic capacitor, T ... Pulse period, TON ... Transistor on period, tON
...Saturable reactor saturation period, tO ff ...Saturable reactor unsaturation period, t 1 , t 2 , t 3 ...
…time.
Claims (1)
回路と、変成器と、この変成器の２次コイルの一
端に直列に接続する可飽和リアクトルと、整流ダ
イオードをもつ整流回路と、この整流出力電圧に
応じたリセツト電圧を前記可飽和リアクトルと整
流ダイオードとの接続点に供給する制御回路とを
有する磁気増幅器制御型スイツチング電源におい
て、前記２次コイルおよび可飽和リアクトルの接
続点にカソードを接続するダイオードと、このダ
イオードのアノードに接続し、他端を前記可飽和
リアクトルおよび整流ダイオードの接続点に接続
するコンデンサおよび抵抗からなる並列回路とを
付加したことを特徴とする磁気増幅器制御型スイ
ツチング電源。 A DC power supply, a switching element, a pulse generation circuit, a transformer, a saturable reactor connected in series to one end of the secondary coil of this transformer, a rectifier circuit having a rectifier diode, and a control circuit that supplies a reset voltage to a connection point between the saturable reactor and the rectifying diode; A magnetic amplifier controlled switching power supply characterized in that a parallel circuit comprising a capacitor and a resistor is connected to the anode of the diode and the other end is connected to the connection point of the saturable reactor and the rectifier diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986098811U JPH062472Y2 (en) | 1986-06-27 | 1986-06-27 | Magnetic amplifier control type switching power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986098811U JPH062472Y2 (en) | 1986-06-27 | 1986-06-27 | Magnetic amplifier control type switching power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS637993U true JPS637993U (en) | 1988-01-19 |
| JPH062472Y2 JPH062472Y2 (en) | 1994-01-19 |
Family
ID=30967117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986098811U Expired - Lifetime JPH062472Y2 (en) | 1986-06-27 | 1986-06-27 | Magnetic amplifier control type switching power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH062472Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59136073A (en) * | 1983-01-25 | 1984-08-04 | Hitachi Metals Ltd | Self-excited switching regulator |
| JPS6142274A (en) * | 1984-07-31 | 1986-02-28 | Matsushita Electric Ind Co Ltd | Spike voltage absorbing circuit |
| JPS61109457A (en) * | 1984-10-30 | 1986-05-27 | Hitachi Metals Ltd | Switching regulator |
-
1986
- 1986-06-27 JP JP1986098811U patent/JPH062472Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59136073A (en) * | 1983-01-25 | 1984-08-04 | Hitachi Metals Ltd | Self-excited switching regulator |
| JPS6142274A (en) * | 1984-07-31 | 1986-02-28 | Matsushita Electric Ind Co Ltd | Spike voltage absorbing circuit |
| JPS61109457A (en) * | 1984-10-30 | 1986-05-27 | Hitachi Metals Ltd | Switching regulator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH062472Y2 (en) | 1994-01-19 |
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