IT1054747B - DEVICE FOR GENERATING AND REGULATING HIGH INTENSITY CURRENTS, PARTICULARLY WELDING CURRENTS - Google Patents
DEVICE FOR GENERATING AND REGULATING HIGH INTENSITY CURRENTS, PARTICULARLY WELDING CURRENTSInfo
- Publication number
- IT1054747B IT1054747B IT19121/76A IT1912176A IT1054747B IT 1054747 B IT1054747 B IT 1054747B IT 19121/76 A IT19121/76 A IT 19121/76A IT 1912176 A IT1912176 A IT 1912176A IT 1054747 B IT1054747 B IT 1054747B
- Authority
- IT
- Italy
- Prior art keywords
- currents
- generating
- high intensity
- regulating high
- particularly welding
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding Control (AREA)
- Generation Of Surge Voltage And Current (AREA)
- Control Of Voltage And Current In General (AREA)
- Ac-Ac Conversion (AREA)
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 |
---|---|
IT1054747B true IT1054747B (en) | 1981-11-30 |
Family
ID=4183690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19121/76A IT1054747B (en) | 1975-01-10 | 1976-01-09 | DEVICE FOR GENERATING AND REGULATING HIGH INTENSITY CURRENTS, PARTICULARLY WELDING CURRENTS |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0026072B1 (en) * | 1979-09-11 | 1983-09-21 | Commonwealth Scientific And Industrial Research Organisation | 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)
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 |
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 |
DE2130335A1 (en) * | 1971-06-18 | 1972-12-21 | Sued Elektronik Ing Heinrich K | Welding current control unit for arc welding |
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 |
-
1975
- 1975-01-10 CH CH29375A patent/CH598654A5/xx not_active IP Right Cessation
- 1975-07-08 DE DE2530381A patent/DE2530381C3/en not_active Expired
- 1975-12-30 FI FI753703A patent/FI753703A/fi not_active Application Discontinuation
-
1976
- 1976-01-05 SE SE7600043A patent/SE406680B/en unknown
- 1976-01-06 GB GB335/76A patent/GB1527032A/en not_active Expired
- 1976-01-07 NL NL7600106A patent/NL7600106A/en not_active Application Discontinuation
- 1976-01-07 DE DE19762600329 patent/DE2600329A1/en not_active Withdrawn
- 1976-01-08 FR FR7600305A patent/FR2297112A1/en active Granted
- 1976-01-09 ES ES444172A patent/ES444172A1/en not_active Expired
- 1976-01-09 NO NO760062A patent/NO760062L/no unknown
- 1976-01-09 JP JP51002013A patent/JPS51125846A/en active Pending
- 1976-01-09 IT IT19121/76A patent/IT1054747B/en active
- 1976-01-09 BE BE163412A patent/BE837441A/en unknown
- 1976-01-09 DK DK7076*#A patent/DK7076A/en unknown
- 1976-01-09 AT AT9476A patent/AT354573B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ES444172A1 (en) | 1977-05-01 |
NL7600106A (en) | 1976-07-13 |
NO760062L (en) | 1976-07-13 |
DK7076A (en) | 1976-07-11 |
FR2297112A1 (en) | 1976-08-06 |
FR2297112B1 (en) | 1981-09-04 |
GB1527032A (en) | 1978-10-04 |
DE2600329A1 (en) | 1976-07-15 |
DE2530381A1 (en) | 1976-07-15 |
AT354573B (en) | 1979-01-10 |
FI753703A (en) | 1976-07-11 |
JPS51125846A (en) | 1976-11-02 |
DE2530381B2 (en) | 1980-07-17 |
CH598654A5 (en) | 1978-05-12 |
BE837441A (en) | 1976-05-03 |
DE2530381C3 (en) | 1981-03-12 |
ATA9476A (en) | 1979-06-15 |
SE406680B (en) | 1979-02-19 |
SE7600043L (en) | 1976-07-12 |
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