JPS6084179U - DC arc welding power supply - Google Patents
DC arc welding power supplyInfo
- Publication number
- JPS6084179U JPS6084179U JP17600483U JP17600483U JPS6084179U JP S6084179 U JPS6084179 U JP S6084179U JP 17600483 U JP17600483 U JP 17600483U JP 17600483 U JP17600483 U JP 17600483U JP S6084179 U JPS6084179 U JP S6084179U
- Authority
- JP
- Japan
- Prior art keywords
- feedback circuit
- output
- welding power
- arc welding
- negative feedback
- 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
Landscapes
- Arc Welding Control (AREA)
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来例のブロック図、第２図Ａ〜Ｃはその各部
信号波形図、第３図は短絡電流の波形図、第４図は本考
案の一実施例のブロック図、第５図Ａ〜Ｅはその各部信
号波形図である。
１・・・・・・出力電圧設定回路、２・・・・・・負帰
還回路、３・・・・・・誤差増幅器、４・・・・・・積
分要素、５・・・・・・出力電圧制御回路、６・・・・
・・正帰還回路、７・・・・・・積分要素、８・・・・
・・加算回路。Fig. 1 is a block diagram of the conventional example, Fig. 2 A to C are signal waveform diagrams of each part thereof, Fig. 3 is a waveform diagram of short circuit current, Fig. 4 is a block diagram of an embodiment of the present invention, Fig. 5 A to E are respective signal waveform diagrams. DESCRIPTION OF SYMBOLS 1... Output voltage setting circuit, 2... Negative feedback circuit, 3... Error amplifier, 4... Integral element, 5... Output voltage control circuit, 6...
...Positive feedback circuit, 7... Integral element, 8...
...Addition circuit.
Claims (1)
回路を有する直流アーク溶接電源において、上記負帰還
回路よりも応答が速く、出力の小さい積分要素を含む正
帰還回路を上記負帰還回路と並列に設け、この正帰還回
路の出力と上記負帰還回路の出力とを加え合わせた信号
を出力電圧制御回路の制御入力として、通常の短絡、ア
ーク繰返し周期内では短絡期間に出力電圧が減少し、ア
ーク発生期間に出力電圧が増加するようにしたことを特
徴とする直流アーク溶接電源。In a DC arc welding power source having a negative feedback circuit including an integral element for output compensation and an output voltage control circuit, a positive feedback circuit including an integral element having a faster response and smaller output than the negative feedback circuit is used as the negative feedback circuit. A signal obtained by adding the output of this positive feedback circuit and the output of the negative feedback circuit is used as the control input of the output voltage control circuit. , a DC arc welding power source characterized in that the output voltage increases during the arc generation period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17600483U JPS6084179U (en) | 1983-11-16 | 1983-11-16 | DC arc welding power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17600483U JPS6084179U (en) | 1983-11-16 | 1983-11-16 | DC arc welding power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6084179U true JPS6084179U (en) | 1985-06-10 |
Family
ID=30382764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17600483U Pending JPS6084179U (en) | 1983-11-16 | 1983-11-16 | DC arc welding power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6084179U (en) |
-
1983
- 1983-11-16 JP JP17600483U patent/JPS6084179U/en active Pending
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