SE7909925L - Stromkella for bagsvetsning - Google Patents
Stromkella for bagsvetsningInfo
- Publication number
- SE7909925L SE7909925L SE7909925A SE7909925A SE7909925L SE 7909925 L SE7909925 L SE 7909925L SE 7909925 A SE7909925 A SE 7909925A SE 7909925 A SE7909925 A SE 7909925A SE 7909925 L SE7909925 L SE 7909925L
- Authority
- SE
- Sweden
- Prior art keywords
- frequency
- welding
- frequency converter
- welding current
- phase
- Prior art date
Links
- 238000003466 welding Methods 0.000 title abstract 5
- 238000004804 winding Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F30/00—Fixed transformers not covered by group H01F19/00
- H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
- H01F30/12—Two-phase, three-phase or polyphase transformers
- H01F30/14—Two-phase, three-phase or polyphase transformers for changing the number of phases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
- B23K9/1006—Power supply
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
- H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
- H02M5/22—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M5/25—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M5/257—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/10—Aluminium or alloys thereof
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding Control (AREA)
- Ac-Ac Conversion (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782855663 DE2855663A1 (de) | 1978-12-22 | 1978-12-22 | Stromquelle fuer das lichtbogenschweissen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE7909925L true SE7909925L (sv) | 1980-06-23 |
Family
ID=6058119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7909925A SE7909925L (sv) | 1978-12-22 | 1979-11-30 | Stromkella for bagsvetsning |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS55144379A (sv) |
| AT (1) | ATA710779A (sv) |
| BR (1) | BR7908448A (sv) |
| DE (1) | DE2855663A1 (sv) |
| FR (1) | FR2444528A1 (sv) |
| GB (1) | GB2039166A (sv) |
| IT (1) | IT1126528B (sv) |
| SE (1) | SE7909925L (sv) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4004667A1 (de) * | 1990-02-15 | 1991-08-22 | Peter Bodewigs | Wechselstromquelle zum schweissen |
| US6114655A (en) * | 1997-06-11 | 2000-09-05 | Illinois Tool Works Inc. | Method and apparatus for producing welding power |
| US7573000B2 (en) | 2003-07-11 | 2009-08-11 | Lincoln Global, Inc. | Power source for plasma device |
| KR100655089B1 (ko) * | 2004-10-04 | 2006-12-08 | 이성래 | 간판프레임의 조립구조 |
-
1978
- 1978-12-22 DE DE19782855663 patent/DE2855663A1/de not_active Withdrawn
-
1979
- 1979-11-05 AT AT0710779A patent/ATA710779A/de not_active Application Discontinuation
- 1979-11-30 SE SE7909925A patent/SE7909925L/sv not_active Application Discontinuation
- 1979-12-07 IT IT27943/79A patent/IT1126528B/it active
- 1979-12-10 JP JP15930579A patent/JPS55144379A/ja active Pending
- 1979-12-14 GB GB7943188A patent/GB2039166A/en not_active Withdrawn
- 1979-12-21 BR BR7908448A patent/BR7908448A/pt unknown
- 1979-12-21 FR FR7931507A patent/FR2444528A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2039166A (en) | 1980-07-30 |
| DE2855663A1 (de) | 1980-07-03 |
| FR2444528B3 (sv) | 1981-10-02 |
| FR2444528A1 (fr) | 1980-07-18 |
| BR7908448A (pt) | 1980-08-26 |
| JPS55144379A (en) | 1980-11-11 |
| IT1126528B (it) | 1986-05-21 |
| ATA710779A (de) | 1982-07-15 |
| IT7927943A0 (it) | 1979-12-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAV | Patent application has lapsed |
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