FI753703A - - Google Patents

Info

Publication number
FI753703A
FI753703A FI753703A FI753703A FI753703A FI 753703 A FI753703 A FI 753703A FI 753703 A FI753703 A FI 753703A FI 753703 A FI753703 A FI 753703A FI 753703 A FI753703 A FI 753703A
Authority
FI
Finland
Application number
FI753703A
Other languages
Finnish (fi)
Inventor
Josef Wertli
Paul Matter
Original Assignee
Kalnbach Wks Schweisstech
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 Kalnbach Wks Schweisstech filed Critical Kalnbach Wks Schweisstech
Publication of FI753703A publication Critical patent/FI753703A/fi

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
    • G05F1/40—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices
    • G05F1/44—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only
    • G05F1/45—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only being controlled rectifiers in series with the load
    • G05F1/455—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only being controlled rectifiers in series with the load with phase control
    • 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
    • B23K9/0732—Stabilising of the arc current
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/02—Regulating electric characteristics of arcs
    • G05F1/08—Regulating electric characteristics of arcs by means of semiconductor devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H02H5/047—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a temperature responsive switch
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
FI753703A 1975-01-10 1975-12-30 FI753703A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH29375A CH598654A5 (en) 1975-01-10 1975-01-10

Publications (1)

Publication Number Publication Date
FI753703A true FI753703A (en) 1976-07-11

Family

ID=4183690

Family Applications (1)

Application Number Title Priority Date Filing Date
FI753703A FI753703A (en) 1975-01-10 1975-12-30

Country Status (14)

Country Link
JP (1) JPS51125846A (en)
AT (1) AT354573B (en)
BE (1) BE837441A (en)
CH (1) CH598654A5 (en)
DE (2) DE2530381C3 (en)
DK (1) DK7076A (en)
ES (1) ES444172A1 (en)
FI (1) FI753703A (en)
FR (1) FR2297112A1 (en)
GB (1) GB1527032A (en)
IT (1) IT1054747B (en)
NL (1) NL7600106A (en)
NO (1) NO760062L (en)
SE (1) SE406680B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3064946D1 (en) * 1979-09-11 1983-10-27 Commw Scient Ind Res Org A generator of high current pulses
FR2519480A1 (en) * 1982-01-07 1983-07-08 Hamm Jean Jacques Temp. limiting appts. for battery chargers or welding sets - where resistor is embedded in transformer windings and connected to electronic circuit which prevents overheating of transformer
CH668842A5 (en) * 1982-06-10 1989-01-31 Elpatronic Ag DEVICE FOR CONTINUOUSLY CONTROLLING THE AMPLITUDE OF A SINUS-SHAPED ELECTRIC AC.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE930337C (en) * 1951-02-23 1955-07-14 Gen Electric Circuit arrangement for igniting a welding arc with increased amperage
DE1116331B (en) * 1958-06-06 1961-11-02 Siemens Ag Arc welding transformer of dormant design with stepless control of the welding current and automatically down-regulated open circuit voltage
US3251000A (en) * 1963-11-15 1966-05-10 Welding Research Inc Safety system for a sequence timing control
US3549979A (en) * 1969-04-25 1970-12-22 Chemetron Corp Arc power supply with current level control
DE2047821B2 (en) * 1970-09-29 1972-11-23 Kirsch Kg, 5500 Trier DEVICE FOR CONTINUOUS CURRENT ADJUSTMENT FOR WELDING TRANSFORMERS FOR ELECTRIC ARC WELDING
DE2121298A1 (en) * 1971-04-30 1972-12-28 Runschke W Current control, especially phase control for welding power sources, suitable for single-phase and multi-phase operation
DE2130335A1 (en) * 1971-06-18 1972-12-21 Sued Elektronik Ing Heinrich K Welding current control unit for arc welding
DE2130324B2 (en) * 1971-06-18 1978-02-16 Süd-Elektronik Ing. Heinrich Kurz Transistorensteuerungen, 8240 Schönau Arc welding power supply unit - using transformer with two parallel prim. windings, one contg. a current control circuit
DE2351652B2 (en) * 1973-10-15 1975-10-23 Messer Griesheim Gmbh, 6000 Frankfurt Circuit arrangement for phase control current control of an alternating current welding arc

Also Published As

Publication number Publication date
FR2297112A1 (en) 1976-08-06
SE406680B (en) 1979-02-19
DE2530381A1 (en) 1976-07-15
NL7600106A (en) 1976-07-13
ATA9476A (en) 1979-06-15
NO760062L (en) 1976-07-13
DE2530381B2 (en) 1980-07-17
FR2297112B1 (en) 1981-09-04
ES444172A1 (en) 1977-05-01
DE2530381C3 (en) 1981-03-12
IT1054747B (en) 1981-11-30
CH598654A5 (en) 1978-05-12
DK7076A (en) 1976-07-11
JPS51125846A (en) 1976-11-02
SE7600043L (en) 1976-07-12
DE2600329A1 (en) 1976-07-15
AT354573B (en) 1979-01-10
BE837441A (en) 1976-05-03
GB1527032A (en) 1978-10-04

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: FIRMA WKS-SCHWEISSTECHNIK WILLY KALNBACH