GB1468198A - Arc power supplies - Google Patents

Arc power supplies

Info

Publication number
GB1468198A
GB1468198A GB2954574A GB2954574A GB1468198A GB 1468198 A GB1468198 A GB 1468198A GB 2954574 A GB2954574 A GB 2954574A GB 2954574 A GB2954574 A GB 2954574A GB 1468198 A GB1468198 A GB 1468198A
Authority
GB
United Kingdom
Prior art keywords
arc
voltage
current
amplifier
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.)
Expired
Application number
GB2954574A
Other languages
English (en)
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.)
Air Products and Chemicals Inc
Original Assignee
Air Products and Chemicals Inc
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 Air Products and Chemicals Inc filed Critical Air Products and Chemicals Inc
Publication of GB1468198A publication Critical patent/GB1468198A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H05H1/36—Circuit arrangements
    • 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
    • B23K9/06—Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc
    • B23K9/073—Stabilising the arc
    • 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
    • B23K9/1043—Power supply characterised by the electric circuit
    • B23K9/1056—Power supply characterised by the electric circuit by using digital means
    • 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
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/145—Conversion of ac power input into dc power output without possibility of reversal 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
    • H02M7/155—Conversion of ac power input into dc power output without possibility of reversal 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
    • H02M7/1555—Conversion of ac power input into dc power output without possibility of reversal 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 with control circuit
    • H02M7/1557—Conversion of ac power input into dc power output without possibility of reversal 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 with control circuit with automatic control of the output voltage or current

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Arc Welding Control (AREA)
GB2954574A 1973-07-11 1974-07-03 Arc power supplies Expired GB1468198A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US378265A US3896287A (en) 1973-07-11 1973-07-11 Direct current arc power supply

Publications (1)

Publication Number Publication Date
GB1468198A true GB1468198A (en) 1977-03-23

Family

ID=23492408

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2954574A Expired GB1468198A (en) 1973-07-11 1974-07-03 Arc power supplies

Country Status (12)

Country Link
US (1) US3896287A (sv)
JP (1) JPS5039249A (sv)
BE (1) BE817523A (sv)
BR (1) BR7405650D0 (sv)
CA (1) CA1003506A (sv)
CH (1) CH593755A5 (sv)
DE (1) DE2433275C3 (sv)
FR (1) FR2236601B3 (sv)
GB (1) GB1468198A (sv)
IT (1) IT1018464B (sv)
NL (1) NL7409316A (sv)
SE (1) SE412715B (sv)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991018488A1 (en) * 1990-05-15 1991-11-28 The University Of Sydney A dc switched arc torch power supply
WO1991020176A1 (en) * 1990-06-15 1991-12-26 The University Of Sydney A dc arc torch power supply
AU651114B2 (en) * 1990-05-15 1994-07-14 Electricity Commission Of New South Wales, The A DC switched arc torch power supply
AU651120B2 (en) * 1990-06-15 1994-07-14 Electricity Commission Of New South Wales, The A DC arc torch power supply

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4109130A (en) * 1971-11-30 1978-08-22 Matsushita Electric Industrial Co., Ltd. Electric welder output control device
SE383591B (sv) * 1974-07-19 1976-03-15 Asea Ab Kraftoverforing for hogspend likstrom
GB1492311A (en) * 1975-03-06 1977-11-16 Atomic Energy Authority Uk Electric arc-welding processes and apparatus therefor
US4162379A (en) * 1977-02-25 1979-07-24 The Perkin-Elmer Corporation Apparatus for deriving a feedback control signal in a thermal system
US4241285A (en) * 1978-06-29 1980-12-23 Erico Products, Inc. Power supply for SMAW welding and stud welding
US4264858A (en) * 1979-05-29 1981-04-28 General Electric Company Means for regulating resistance current of complex load
US4287557A (en) * 1979-12-17 1981-09-01 General Electric Company Inverter with improved regulation
US4412277A (en) * 1982-09-03 1983-10-25 Rockwell International Corporation AC-DC Converter having an improved power factor
DE3338243A1 (de) * 1983-10-21 1985-05-15 Messer Griesheim Gmbh, 6000 Frankfurt Einrichtung zum lichtbogenschweissen
US4517439A (en) * 1984-05-07 1985-05-14 Colley Bruce H AC-DC welding power supply
US5157236A (en) * 1990-03-29 1992-10-20 Miller Electric Mfg. Co. Adaptive pulse mode gas metal arc welding control
US5482734A (en) * 1994-05-20 1996-01-09 The Miller Group, Ltd. Method and apparatus for controlling an electric arc spraying process
US5528010A (en) * 1994-05-20 1996-06-18 The Miller Group, Ltd. Method and apparatus for initiating electric arc spraying
US5665256A (en) * 1995-12-19 1997-09-09 The Esab Group, Inc. Cutting or welding system having phase loss detector and method of detecting phase loss for same
TW445192B (en) 1999-04-12 2001-07-11 Tri Tool Inc Control method and apparatus for an arc welding system
US7064290B2 (en) * 2003-09-08 2006-06-20 Lincoln Global, Inc. Electric arc welder and method for controlling the welding process of the welder

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3371242A (en) * 1964-04-07 1968-02-27 Harnischfeger Corp Arc power supply using solid state control devices for phase shifting
CS165445B1 (sv) * 1968-08-01 1975-12-22
US3530359A (en) * 1968-09-20 1970-09-22 Miller Electric Mfg Adjustable arc welding power supply system
US3549979A (en) * 1969-04-25 1970-12-22 Chemetron Corp Arc power supply with current level control
US3688180A (en) * 1971-01-14 1972-08-29 Hobart Brothers Co Welding apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991018488A1 (en) * 1990-05-15 1991-11-28 The University Of Sydney A dc switched arc torch power supply
AU651114B2 (en) * 1990-05-15 1994-07-14 Electricity Commission Of New South Wales, The A DC switched arc torch power supply
US5399957A (en) * 1990-05-15 1995-03-21 The University Of Sydney The Electricity Commission Of New South Wales DC switched arc torch power supply
WO1991020176A1 (en) * 1990-06-15 1991-12-26 The University Of Sydney A dc arc torch power supply
AU651120B2 (en) * 1990-06-15 1994-07-14 Electricity Commission Of New South Wales, The A DC arc torch power supply
US5349605A (en) * 1990-06-15 1994-09-20 The University Of Sydney DC arc torch power supply

Also Published As

Publication number Publication date
NL7409316A (nl) 1975-01-14
CH593755A5 (sv) 1977-12-15
DE2433275B2 (de) 1980-09-25
IT1018464B (it) 1977-09-30
DE2433275C3 (de) 1981-06-11
FR2236601B3 (sv) 1977-05-06
SE7408316L (sv) 1975-01-13
JPS5039249A (sv) 1975-04-11
DE2433275A1 (de) 1975-01-30
AU7104574A (en) 1976-01-15
BE817523A (fr) 1974-11-04
CA1003506A (en) 1977-01-11
SE412715B (sv) 1980-03-17
FR2236601A1 (sv) 1975-02-07
US3896287A (en) 1975-07-22
BR7405650D0 (pt) 1975-05-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee