GB1476531A - Direct and alternating electrical current feeding for high temperature plasma equipment - Google Patents

Direct and alternating electrical current feeding for high temperature plasma equipment

Info

Publication number
GB1476531A
GB1476531A GB5612374A GB5612374A GB1476531A GB 1476531 A GB1476531 A GB 1476531A GB 5612374 A GB5612374 A GB 5612374A GB 5612374 A GB5612374 A GB 5612374A GB 1476531 A GB1476531 A GB 1476531A
Authority
GB
United Kingdom
Prior art keywords
arc
arcs
plasma
main
pilot
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
GB5612374A
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.)
SOUDURE AUTOGENE ELECT
Original Assignee
SOUDURE AUTOGENE ELECT
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 SOUDURE AUTOGENE ELECT filed Critical SOUDURE AUTOGENE ELECT
Publication of GB1476531A publication Critical patent/GB1476531A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B23K9/1068—Electric circuits for the supply of power to two or more arcs from a single source
    • 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
    • B23K10/00—Welding or cutting by means of a plasma
    • 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
    • B23K9/067—Starting the arc
    • B23K9/0672—Starting the arc without direct contact between electrodes
    • B23K9/0678—Ionization of the arc gap by means of an auxiliary arc
    • 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
    • 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
    • H05H1/44—Plasma torches using an arc using more than one torch

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Plasma Technology (AREA)
  • Arc Welding Control (AREA)
  • Arc Welding In General (AREA)

Abstract

1476531 Plasma arc welding LA SOUDURE ELECTRIQUE AUTOGENE PROCEDES ARCOS SA 31 Dec 1974 [15 Jan 1974] 56123/74 Heading H2H A supply arrangement for a plasma welding torch using main and pilot arcs is arranged such that both arcs are energized from a single A.C. source, the main arc being A.C. and the pilot arc being D.C. As shown, a secondary 6 of a transformer has an end portion A, B centre-tapped at 7 and connected at its ends with two diodes 4, 5 which provide D.C. to produce a pilot arc between components 1, 2 of the welding apparatus. A.C. between lines 7, 8 is impressed across component 2 and the work 3 to produce the main arc. The value of the currents fed to the two arcs may be independently adjusted and a phase shift between the D.C. and A.C. currents introduced to maintain the main arc during A.C. zero crossings. Symmetrical end portions of the transformer secondary may be used to operate two plasma welders with their flames in opposition and a secondary associated with each phase of a 3- phase supply may drive one of 3 welders their flames joining at a point.
GB5612374A 1974-01-15 1974-12-31 Direct and alternating electrical current feeding for high temperature plasma equipment Expired GB1476531A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE139807A BE809746A (en) 1974-01-15 1974-01-15 ELECTRICAL CURRENT SUPPLY (CONTINUOUS AND ALTERNATIVE) FOR PLASMAS SYSTEMS AT HIGH TEMPERATURES.

Publications (1)

Publication Number Publication Date
GB1476531A true GB1476531A (en) 1977-06-16

Family

ID=3842508

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5612374A Expired GB1476531A (en) 1974-01-15 1974-12-31 Direct and alternating electrical current feeding for high temperature plasma equipment

Country Status (6)

Country Link
JP (1) JPS50104585A (en)
BE (1) BE809746A (en)
DE (1) DE2501076A1 (en)
FR (1) FR2258079B1 (en)
GB (1) GB1476531A (en)
IT (1) IT1026989B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3245826A1 (en) * 1981-12-10 1983-06-16 Tioxide Group Plc, London ELECTRICAL DISCHARGE ARRANGEMENT
GB2170134A (en) * 1985-01-29 1986-07-30 Stephen William Webb Welding tool
CN102202455A (en) * 2010-03-25 2011-09-28 通用电气公司 Plasma generation apparatus

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2900330A1 (en) * 1978-01-09 1979-07-12 Inst Elektroswarki Patona PROCESS FOR PLASMA GENERATION IN A PLASMA ARC GENERATOR AND DEVICE FOR CARRYING OUT THE PROCESS
DE3544605A1 (en) * 1985-12-17 1987-06-19 Linde Ag Method for producing a plasma arc, and a plasma arc burner for carrying out the method
US4800716A (en) * 1986-07-23 1989-01-31 Olin Corporation Efficiency arcjet thruster with controlled arc startup and steady state attachment
DE3632425C1 (en) * 1986-09-24 1988-04-14 Krupp Gmbh Power supply device for a three-phase plasma torch unit
AT386717B (en) * 1986-12-01 1988-10-10 Voest Alpine Ag METHOD FOR ENDING A PLASMA BOW

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3245826A1 (en) * 1981-12-10 1983-06-16 Tioxide Group Plc, London ELECTRICAL DISCHARGE ARRANGEMENT
GB2170134A (en) * 1985-01-29 1986-07-30 Stephen William Webb Welding tool
CN102202455A (en) * 2010-03-25 2011-09-28 通用电气公司 Plasma generation apparatus
EP2369902A3 (en) * 2010-03-25 2011-12-07 General Electric Company Plasma generation apparatus
US8492979B2 (en) 2010-03-25 2013-07-23 General Electric Company Plasma generation apparatus
CN102202455B (en) * 2010-03-25 2014-07-09 通用电气公司 Plasma generation apparatus

Also Published As

Publication number Publication date
FR2258079A1 (en) 1975-08-08
FR2258079B1 (en) 1977-07-01
IT1026989B (en) 1978-10-20
BE809746A (en) 1974-05-02
DE2501076A1 (en) 1975-09-04
JPS50104585A (en) 1975-08-18

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed