SE461137B - Svetsapparat med en stroemkaella innefattande vaexelriktarorgan - Google Patents

Svetsapparat med en stroemkaella innefattande vaexelriktarorgan

Info

Publication number
SE461137B
SE461137B SE8107685A SE8107685A SE461137B SE 461137 B SE461137 B SE 461137B SE 8107685 A SE8107685 A SE 8107685A SE 8107685 A SE8107685 A SE 8107685A SE 461137 B SE461137 B SE 461137B
Authority
SE
Sweden
Prior art keywords
transistor
base
transistors
collector
transformer
Prior art date
Application number
SE8107685A
Other languages
English (en)
Swedish (sv)
Other versions
SE8107685L (sv
Inventor
G L Bredenkamp
Original Assignee
Anglo American Cororation Of S
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 Anglo American Cororation Of S filed Critical Anglo American Cororation Of S
Publication of SE8107685L publication Critical patent/SE8107685L/
Publication of SE461137B publication Critical patent/SE461137B/sv

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
    • 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
    • H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
    • H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
    • H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of DC power input into AC 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 triode or transistor type requiring continuous application of a control signal
    • H02M7/537—Conversion of DC power input into AC 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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H02M7/5383—Conversion of DC power input into AC 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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a self-oscillating arrangement
    • H02M7/53832—Conversion of DC power input into AC 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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a self-oscillating arrangement in a push-pull arrangement
    • H02M7/53835—Conversion of DC power input into AC 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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a self-oscillating arrangement in a push-pull arrangement of the parallel type

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding Control (AREA)
  • Inverter Devices (AREA)
SE8107685A 1980-12-22 1981-12-21 Svetsapparat med en stroemkaella innefattande vaexelriktarorgan SE461137B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA807981 1980-12-22

Publications (2)

Publication Number Publication Date
SE8107685L SE8107685L (sv) 1982-06-23
SE461137B true SE461137B (sv) 1990-01-15

Family

ID=25575106

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8107685A SE461137B (sv) 1980-12-22 1981-12-21 Svetsapparat med en stroemkaella innefattande vaexelriktarorgan

Country Status (12)

Country Link
US (1) US4453073A (it)
AU (1) AU545973B2 (it)
BR (1) BR8108299A (it)
CA (1) CA1170316A (it)
CH (1) CH656083A5 (it)
DE (1) DE3150510A1 (it)
FR (1) FR2496521B1 (it)
GB (1) GB2090705B (it)
IE (1) IE52343B1 (it)
IL (1) IL64622A (it)
IT (1) IT1145471B (it)
SE (1) SE461137B (it)

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AT383917B (de) * 1984-10-05 1987-09-10 Schrack Elektronik Ag Dc/ac-wandler
US4745535A (en) * 1986-03-14 1988-05-17 Mitsubishi Denki Kabushiki Kaisha Ringing choke type DC/DC converter
DE4006202C2 (de) * 1990-02-28 1996-08-01 Rehm Gmbh U Co Schweistechnik Verfahren zur Geräuschminderung
AU4927596A (en) * 1995-03-08 1996-09-23 Babcock & Wilcox Co., The Smaw with continuous hig frequency
GB2301495A (en) * 1995-04-05 1996-12-04 Countertone Limited Power supply for electrical welding apparatus
BR9609249A (pt) * 1995-05-12 1999-05-18 Macrovision Corp Sistema de rastreamento e segurança de meios de vídeo
US6246040B1 (en) * 1999-01-29 2001-06-12 Bradley R. Gunn Solid state RF generator for dielectric heating of food products
GB9910536D0 (en) * 1999-05-07 1999-07-07 Glynwed Pipe Systems Ltd Improvements in and relating to power supply
AU2001254737A1 (en) * 2000-03-24 2001-10-03 Werner Jung Method for the production of a material coating on a surface
US6365874B1 (en) * 2000-05-22 2002-04-02 Lincoln Global, Inc. Power supply for electric arc welding
US20080149602A1 (en) * 2006-12-22 2008-06-26 Illinois Tool Works Inc. Welding and plasma cutting method and system
US9040869B2 (en) * 2007-12-19 2015-05-26 Illinois Tool Works Inc. Plasma cutter having microprocessor control
US8373084B2 (en) * 2007-12-19 2013-02-12 Illinois Tool Works Inc. Plasma cutter having high power density
US20090160573A1 (en) * 2007-12-19 2009-06-25 Illinois Tool Works, Inc. GFCI-Compatible Circuit for Plasma Cutting System
US8153924B2 (en) * 2007-12-19 2012-04-10 Illinois Tool Works Inc. Plasma cutter having thermal model for component protection
RU2481929C2 (ru) * 2011-07-19 2013-05-20 Сергей Михайлович Анпилов Способ управления дуговой сваркой изделий неплавящимся электродом в среде защитных газов и устройство для его осуществления
RU2498885C2 (ru) * 2012-02-17 2013-11-20 Сергей Михайлович Анпилов Способ формирования импульсов сварочного тока и устройство для его осуществления
CA2985623C (en) 2015-05-11 2024-03-05 Stryker Corporation System and method for driving an ultrasonic handpiece with a linear amplifier
KR20250020717A (ko) 2016-05-31 2025-02-11 스트리커 코포레이션 누설 제어권선 및 커패시터를 갖는 변압기를 포함하는 제어 계기반
US10730073B2 (en) * 2017-02-24 2020-08-04 Stmicroelectronics S.R.L. Electronic circuit, corresponding ultrasound apparatus and method
IT201700021392A1 (it) 2017-02-24 2018-08-24 St Microelectronics Srl Circuito di pilotaggio, apparecchiatura ad ultrasuoni e procedimento corrispondenti
IT201700021364A1 (it) 2017-02-24 2018-08-24 St Microelectronics Srl Amplificatore operazionale, circuito, apparecchiatura e procedimento corrispondenti
AU2018381241B2 (en) 2017-12-06 2024-11-21 Stryker Corporation System and methods for controlling patient leakage current in a surgical system
US20200030904A1 (en) * 2018-07-25 2020-01-30 Illinois Tool Works Inc. Systems and methods to mitigate audible noise in welding-type power supplies

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US2784349A (en) * 1951-12-28 1957-03-05 Air Reduction Electric arc welding
US3211953A (en) * 1962-05-21 1965-10-12 Glenn Pacific Corp Adjustable single phase power supply for welding
US3231711A (en) * 1963-05-23 1966-01-25 Glenn Pacific Corp Frequency controlled welding arc power supply system
US3304485A (en) * 1963-12-26 1967-02-14 Union Carbide Corp Welding arc power supply
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DE1931234A1 (de) * 1969-06-20 1971-01-07 Licentia Gmbh Schaltungsanordnung zur Umwandlung einer Gleichspannung in eine Wechselspannung mit Transistoren
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SE438615B (sv) * 1976-04-28 1985-04-29 Thermal Dynamics Corp Bagsvetsapparat
GB1541068A (en) * 1976-05-11 1979-02-21 Tri Electronics Ab Electrical welding apparatus
GB1546211A (en) * 1976-05-12 1979-05-23 Tri Electronics Ab Current unit for arc welding
US4061930A (en) * 1976-06-11 1977-12-06 Rohr Industries, Incorporated Base drive inhibit circuit
US4047096A (en) * 1976-06-15 1977-09-06 Combustion Engineering, Inc. Apparatus for instantly compensating for line voltage irregularities
DE2728980C2 (de) * 1977-06-28 1986-11-20 Peter Dr.-Ing. 5100 Aachen Puschner Vorrichtung zum Lichtbogenschweißen mit abschmelzender Elektrode und einer schnell kennlinienumschaltbaren Schweißenergiequelle
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DE2913626A1 (de) * 1979-04-05 1980-10-16 Messer Griesheim Gmbh Einrichtung zum gleich- und/oder wechselstrom-lichtbogenschweissen mit einem an ein wechselrichter- oder gleichstromnetz anschliessbaren wechselrichter
DE2913627A1 (de) * 1979-04-05 1980-10-16 Messer Griesheim Gmbh Einrichtung zum gleich- und/oder wechselstrom-lichtbogenschweissen mit einem wechselrichter

Also Published As

Publication number Publication date
CH656083A5 (de) 1986-06-13
BR8108299A (pt) 1982-10-05
IL64622A (en) 1984-12-31
FR2496521A1 (fr) 1982-06-25
US4453073A (en) 1984-06-05
SE8107685L (sv) 1982-06-23
IE813017L (en) 1982-06-22
GB2090705A (en) 1982-07-14
FR2496521B1 (fr) 1989-09-08
AU545973B2 (en) 1985-08-08
GB2090705B (en) 1985-06-05
DE3150510A1 (de) 1982-08-19
CA1170316A (en) 1984-07-03
IT8149967A0 (it) 1981-12-21
IT1145471B (it) 1986-11-05
IL64622A0 (en) 1982-03-31
IE52343B1 (en) 1987-09-16
AU7872281A (en) 1982-07-01

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