JPS599788U - Inverter starting circuit - Google Patents
Inverter starting circuitInfo
- Publication number
- JPS599788U JPS599788U JP5956383U JP5956383U JPS599788U JP S599788 U JPS599788 U JP S599788U JP 5956383 U JP5956383 U JP 5956383U JP 5956383 U JP5956383 U JP 5956383U JP S599788 U JPS599788 U JP S599788U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- control electrode
- output
- capacitor
- 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.)
- Granted
Links
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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の起動回路を含むインバータを用いたＤＣ
−ＤＣコンバータの回路図、第２図は本考案によるｆン
バータの起動回路の界施例を含むＤＣ−ＤＣコンバータ
の回路図である。
なお図面に用いられている符号において、１１・・・・
・・可飽和トランス、１１ｅ・・・・・・起動コイル、
５・・・・・・出カドランス、Ｑｌ！ Ｑ２１ Ｑ３１
Ｑ４・・・・・・スイッチングトランジスタ、１２・
・・・・・整流回路、Ｃ３・・・・・・コンデンサ、Ｒ
１，” Ｒ２，Ｒ３・・・・・・抵抗である。Figure 1 shows a DC using an inverter including a conventional starting circuit.
-Circuit Diagram of DC Converter FIG. 2 is a circuit diagram of a DC-DC converter including an embodiment of a starting circuit for an f-inverter according to the present invention. In addition, in the symbols used in the drawings, 11...
...Saturable transformer, 11e... Starting coil,
5... Output Lance, Ql! Q21 Q31
Q4...Switching transistor, 12.
... Rectifier circuit, C3 ... Capacitor, R
1,” R2, R3...Resistors.
Claims (1)
する可飽和トランスと、１次側コイルと２次側コイルと
帰還コイルとを有する出カドランスと、夫々の制御電極
が上記可飽和トランスの上記一対の２次側コイルに接続
されると共に夫々の主電流路が上記出カドランスの１次
側コイルを介して直流電源端子間に接続された第１及び
第２のスイッチングトランジスタと、上記出カドランス
の上記２次側コイルに接続された整流回路と、上記直流
電源端子間に接続された抵抗器とコンデンサと上記起動
コイルとの直列回路から成る充電回路と、上記充電回路
のコンデンサ及び起動コイルに並列接続された放電回路
とを備え、よ記放電回路は第３及び第４のスイッチング
トランジスタを有１、上記第３のスイッチングトランジ
スタの制御電極及び出力電極を上記第４のスイッチング
トランジスタの出力電極及び制御電極に夫々相互接続し
、上記第３及び第４のスイッチングトランジスタの夫々
の共通電極を上記コンデンサ及び起動コイルに並列接続
すると共に上記コンデンサの次光電電圧を分圧器を介し
て上記第４のトスイツチングトランジスタの制御電極に
印加するように成し、上記帰還コイルに生ずる帰還電圧
を上記可飽和トランスの上記１次側コイルに帰還すると
共に上記帰還電圧を整流した出力を上記第４のスイッチ
ングトランジスタの制御電極に逆バイアス電圧として印
加するようにしたことを特徴とするインバータの起動回
路。A saturable transformer having a starting coil, a primary coil, and a pair of secondary coils, an output transformer having a primary coil, a secondary coil, and a feedback coil, and each control electrode of the saturable transformer first and second switching transistors connected to the pair of secondary coils of the output transformer and having their respective main current paths connected between the DC power terminals via the primary coil of the output transformer; a rectifier circuit connected to the secondary coil of the quadrangle; a charging circuit consisting of a series circuit of a resistor, a capacitor, and the starting coil connected between the DC power terminals; and the capacitor and starting coil of the charging circuit. and a discharge circuit connected in parallel to each other, the discharge circuit having third and fourth switching transistors, the control electrode and the output electrode of the third switching transistor being connected to the output electrode of the fourth switching transistor. and a control electrode, respectively, common electrodes of the third and fourth switching transistors are connected in parallel to the capacitor and the starting coil, and the photoelectric voltage of the capacitor is passed through a voltage divider to the fourth switching transistor. The feedback voltage generated in the feedback coil is fed back to the primary coil of the saturable transformer, and the rectified output of the feedback voltage is applied to the control electrode of the switching transistor. An inverter startup circuit characterized in that a reverse bias voltage is applied to a control electrode of a transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5956383U JPS5939838Y2 (en) | 1983-04-21 | 1983-04-21 | Inverter starting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5956383U JPS5939838Y2 (en) | 1983-04-21 | 1983-04-21 | Inverter starting circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS599788U true JPS599788U (en) | 1984-01-21 |
| JPS5939838Y2 JPS5939838Y2 (en) | 1984-11-08 |
Family
ID=30189803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5956383U Expired JPS5939838Y2 (en) | 1983-04-21 | 1983-04-21 | Inverter starting circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5939838Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6367027U (en) * | 1986-10-21 | 1988-05-06 | ||
| JPS6367026U (en) * | 1986-10-21 | 1988-05-06 |
-
1983
- 1983-04-21 JP JP5956383U patent/JPS5939838Y2/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6367027U (en) * | 1986-10-21 | 1988-05-06 | ||
| JPS6367026U (en) * | 1986-10-21 | 1988-05-06 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5939838Y2 (en) | 1984-11-08 |
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