JPS6219087U - - Google Patents
Info
- Publication number
- JPS6219087U JPS6219087U JP10818285U JP10818285U JPS6219087U JP S6219087 U JPS6219087 U JP S6219087U JP 10818285 U JP10818285 U JP 10818285U JP 10818285 U JP10818285 U JP 10818285U JP S6219087 U JPS6219087 U JP S6219087U
- Authority
- JP
- Japan
- Prior art keywords
- diode
- transformer
- rectifier diode
- inverter
- 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
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- Protection Of Static Devices (AREA)
Description
第１図、第２図、第３図は本考案の第１、第２
、第３の実施例の出力回路部のみを示す回路図、
第４図は二次側整流ダイオードのターンオフ時電
圧、電流波形図、第５図は本考案を適用するイン
バータ制御電源の基本回路図、第６図は出力回路
部の従来例を示す回路図である。
３……インバータ回路、４……変圧器、５，５
′……二次側整流ダイオード、９，９′……スナ
バ回路のダイオード、１０，１０′……サージ吸
収用コンデンサ、１１，１１′……放電抵抗。
Figures 1, 2, and 3 are the first and second figures of the present invention.
, a circuit diagram showing only the output circuit section of the third embodiment,
Figure 4 is a voltage and current waveform diagram at turn-off of the secondary side rectifier diode, Figure 5 is a basic circuit diagram of an inverter control power supply to which the present invention is applied, and Figure 6 is a circuit diagram showing a conventional example of the output circuit section. be. 3...Inverter circuit, 4...Transformer, 5,5
'...Secondary side rectifier diode, 9,9'...Diode of snubber circuit, 10,10'...Surge absorption capacitor, 11,11'...Discharge resistor.
Claims (1)
インバータ回路を有し、変圧器の二次側に整流ダ
イオードを有するインバータ制御電源において、
上記二次側整流ダイオードをターンオフ時のサー
ジ電圧から保護するスナバ回路を、サージ電圧に
より導通するダイオードとこのダイオードを通し
て充電されるサージ吸収用コンデンサと放電抵抗
とからなる有方向性の回路とし、このスナバ回路
を変圧器二次端子電圧の両波方向に対して有効な
ように対にして、上記二次側整流ダイオードの変
圧器側端子間または上記二次側整流ダイオードの
アノード・カソード両端子間に接続したことを特
徴とするインバータ制御電源のダイオード保護装
置。 In an inverter-controlled power supply having an inverter circuit for converting direct current to high-frequency alternating current on the primary side of the transformer and a rectifier diode on the secondary side of the transformer,
The snubber circuit that protects the secondary rectifier diode from the surge voltage at turn-off is a directional circuit consisting of a diode that conducts due to the surge voltage, a surge absorption capacitor that is charged through this diode, and a discharge resistor. Pair the snubber circuit so that it is effective for both wave directions of the transformer secondary terminal voltage, and connect it between the transformer side terminals of the secondary rectifier diode or between the anode and cathode terminals of the secondary rectifier diode. A diode protection device for an inverter-controlled power supply, characterized in that it is connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10818285U JPS6219087U (en) | 1985-07-17 | 1985-07-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10818285U JPS6219087U (en) | 1985-07-17 | 1985-07-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6219087U true JPS6219087U (en) | 1987-02-04 |
Family
ID=30985139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10818285U Pending JPS6219087U (en) | 1985-07-17 | 1985-07-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6219087U (en) |
-
1985
- 1985-07-17 JP JP10818285U patent/JPS6219087U/ja active Pending