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

Applications Claiming Priority (1)

Publications (2)

Family

ID=23492408

Family Applications (1)

Country Status (12)

Families Citing this family (20)

Family Cites Families (5)

• 1973
  • 1973-07-11 US US378265A patent/US3896287A/en not_active Expired - Lifetime
• 1974
  • 1974-06-25 SE SE7408316A patent/SE412715B/en unknown
  • 1974-07-02 CA CA203,763A patent/CA1003506A/en not_active Expired
  • 1974-07-03 GB GB2954574A patent/GB1468198A/en not_active Expired
  • 1974-07-05 FR FR7423568A patent/FR2236601B3/fr not_active Expired
  • 1974-07-08 CH CH932574A patent/CH593755A5/xx not_active IP Right Cessation
  • 1974-07-09 BR BR5650/74A patent/BR7405650D0/en unknown
  • 1974-07-09 JP JP49078644A patent/JPS5039249A/ja active Pending
  • 1974-07-10 NL NL7409316A patent/NL7409316A/en not_active Application Discontinuation
  • 1974-07-11 IT IT83377/74A patent/IT1018464B/en active
  • 1974-07-11 BE BE2053744A patent/BE817523A/en not_active IP Right Cessation
  • 1974-07-11 DE DE2433275A patent/DE2433275C3/en not_active Expired

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