FR2444529B3 - - Google Patents

Info

Publication number
FR2444529B3
FR2444529B3 FR7931508A FR7931508A FR2444529B3 FR 2444529 B3 FR2444529 B3 FR 2444529B3 FR 7931508 A FR7931508 A FR 7931508A FR 7931508 A FR7931508 A FR 7931508A FR 2444529 B3 FR2444529 B3 FR 2444529B3
Authority
FR
France
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.)
Expired
Application number
FR7931508A
Other versions
FR2444529A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Messer Griesheim GmbH
Original Assignee
Messer Griesheim GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Messer Griesheim GmbH filed Critical Messer Griesheim GmbH
Publication of FR2444529A1 publication Critical patent/FR2444529A1/fr
Application granted granted Critical
Publication of FR2444529B3 publication Critical patent/FR2444529B3/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H02M5/27—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 for conversion of frequency
    • H02M5/271—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 for conversion of frequency from a three phase input voltage
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding Control (AREA)
  • Generation Of Surge Voltage And Current (AREA)
  • Arc Welding In General (AREA)
FR7931508A 1978-12-22 1979-12-21 Source de courant pour la soudure a l'arc, et notamment pour la soudure a l'arc sous gaz inerte, du tungstene Granted FR2444529A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782855664 DE2855664A1 (de) 1978-12-22 1978-12-22 Stromquelle fuer das lichtbogenschweissen

Publications (2)

Publication Number Publication Date
FR2444529A1 FR2444529A1 (fr) 1980-07-18
FR2444529B3 true FR2444529B3 (fr) 1982-05-07

Family

ID=6058120

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7931508A Granted FR2444529A1 (fr) 1978-12-22 1979-12-21 Source de courant pour la soudure a l'arc, et notamment pour la soudure a l'arc sous gaz inerte, du tungstene

Country Status (7)

Country Link
JP (1) JPS5588984A (fr)
BR (1) BR7908322A (fr)
DE (1) DE2855664A1 (fr)
FR (1) FR2444529A1 (fr)
GB (1) GB2039168A (fr)
IT (1) IT1126530B (fr)
SE (1) SE7909926L (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4435632A (en) * 1982-02-12 1984-03-06 Hobart Brothers Company Three phase square wave welding power supply
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
US6177651B1 (en) * 1998-06-11 2001-01-23 Illinois Tool Works Inc. Method and apparatus for producing welding power
AT411444B (de) * 2000-06-28 2004-01-26 Fronius Schweissmasch Prod Schweissgerät, welches an ein-, zwei- bzw. dreiphasennetzen betrieben werden kann

Also Published As

Publication number Publication date
JPS5588984A (en) 1980-07-05
IT1126530B (it) 1986-05-21
IT7927945A0 (it) 1979-12-07
FR2444529A1 (fr) 1980-07-18
GB2039168A (en) 1980-07-30
DE2855664A1 (de) 1980-07-03
BR7908322A (pt) 1980-09-16
SE7909926L (sv) 1980-06-23

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Legal Events

Date Code Title Description
ST Notification of lapse