RO95344B1 - Power supply for plasma cutting installations - Google Patents
Power supply for plasma cutting installationsInfo
- Publication number
- RO95344B1 RO95344B1 RO122967A RO12296786A RO95344B1 RO 95344 B1 RO95344 B1 RO 95344B1 RO 122967 A RO122967 A RO 122967A RO 12296786 A RO12296786 A RO 12296786A RO 95344 B1 RO95344 B1 RO 95344B1
- Authority
- RO
- Romania
- Prior art keywords
- current
- source
- fitting
- command
- spring tension
- Prior art date
Links
- 238000009434 installation Methods 0.000 title abstract 2
- 230000007423 decrease Effects 0.000 abstract 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000001419 dependent effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 230000005415 magnetization Effects 0.000 abstract 1
Landscapes
- Arc Welding In General (AREA)
Abstract
Inventia se refera la o sursa destinata instalatiilor de taiere cu plasma, sursa care asigura o caracteristica exterioara abrupt-cazatoare, datorita comenzii automate de scadere a curentului odata cu scaderea tensiunii arcului, facînd în acest fel caracteristica exterioara dependenta atît de tensiunea arcului, cît si de curentul de taiere. Sursa este prevazuta cu o înfasurare secundara 5, legata în serie cu o înfasurare 8, ce dezvolta o tensiune e' indice a, proportionala cu valoarea tensiunii arcului si legata în serie cu o înfasurare 6, ce dezvolta o tensiune constanta e'` indice a, cu care se alimenteaza o punte semicomandata n indice 2, ce furnizeaza curentul de comanda al unui amplificator magnetic AM, curent ce trece printr-o înfasurare de comanda 7, realizînd o magnetizare suplimentara, peste cea a curentului de comanda prescris, în sensul ca efectul de magnetizare creste la mersul în gol si scade în regim de scurtcircuit cînd tensiunea arcului este nula.The invention relates to a source for plasma cutting installations, the source of which ensures an abrupt-falling exterior characteristic due to the automatic control of the current decreasing with the decrease of the spring tension, thus making the external characteristic dependent on the spring tension as well as by the cutting current. The source is provided with a secondary fitting 5, connected in series with a fitting 8, which develops a voltage e 'index, proportional to the value of the spring tension and connected in series with a fitting 6, which develops a constant voltage e' , which feeds a semicomanded bridge in index 2, which supplies the control current of an AM magnetic amplifier, a current passing through a command of the command 7, performing an additional magnetization over that of the prescribed command current in the sense that the magnetizing effect increases at idle and decreases in short-circuit mode when the spring voltage is zero.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO122967A RO95344B1 (en) | 1986-04-14 | 1986-04-14 | Power supply for plasma cutting installations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO122967A RO95344B1 (en) | 1986-04-14 | 1986-04-14 | Power supply for plasma cutting installations |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO95344A2 RO95344A2 (en) | 1988-09-15 |
| RO95344B1 true RO95344B1 (en) | 1988-09-16 |
Family
ID=20119263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO122967A RO95344B1 (en) | 1986-04-14 | 1986-04-14 | Power supply for plasma cutting installations |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO95344B1 (en) |
-
1986
- 1986-04-14 RO RO122967A patent/RO95344B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO95344A2 (en) | 1988-09-15 |
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