JPS57202879A - Power source system having forcible load dividing circuit for inverter power source - Google Patents
Power source system having forcible load dividing circuit for inverter power sourceInfo
- Publication number
- JPS57202879A JPS57202879A JP57086703A JP8670382A JPS57202879A JP S57202879 A JPS57202879 A JP S57202879A JP 57086703 A JP57086703 A JP 57086703A JP 8670382 A JP8670382 A JP 8670382A JP S57202879 A JPS57202879 A JP S57202879A
- Authority
- JP
- Japan
- Prior art keywords
- power source
- dividing circuit
- load dividing
- source system
- inverter
- 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.)
- Pending
Links
Classifications
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/337—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration
- H02M3/3376—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration with automatic control of output voltage or current
- H02M3/3378—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration with automatic control of output voltage or current in a push-pull configuration of the parallel type
-
- 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
- B23K9/1075—Parallel power supply, i.e. multiple power supplies or multiple inverters supplying a single arc or welding current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
- H02J1/102—Parallel operation of dc sources being switching converters
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Dc-Dc Converters (AREA)
- Inverter Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/266,718 US4425613A (en) | 1981-05-26 | 1981-05-26 | Forced load sharing circuit for inverter power supply |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57202879A true JPS57202879A (en) | 1982-12-11 |
Family
ID=23015719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57086703A Pending JPS57202879A (en) | 1981-05-26 | 1982-05-24 | Power source system having forcible load dividing circuit for inverter power source |
Country Status (4)
Country | Link |
---|---|
US (1) | US4425613A (ja) |
JP (1) | JPS57202879A (ja) |
CA (1) | CA1181805A (ja) |
DE (1) | DE3219754C2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004524161A (ja) * | 2001-04-17 | 2004-08-12 | リンカーン グローバル インコーポレーテッド | アーク溶接システム |
Families Citing this family (64)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4503316A (en) * | 1981-08-13 | 1985-03-05 | Kabushiki Kaisha Kobe Seiko Sho | DC Welding power supply system |
US4521841A (en) * | 1982-07-28 | 1985-06-04 | Reliance Electric Company | Peak charging circuit providing for improved loop gain and common mode noise rejection |
US4468722A (en) * | 1982-07-28 | 1984-08-28 | Reliance Electric Company | Power supply having slope controlled output volt-ampere characteristic |
NO152719C (no) * | 1983-05-02 | 1985-11-06 | Standard Tel Kabelfab As | Omformeranlegg. |
US4517470A (en) * | 1983-08-22 | 1985-05-14 | Ncr Corporation | High frequency inverter |
US4558230A (en) * | 1983-11-14 | 1985-12-10 | Rockwell International Corporation | High integrity dual input power supply |
US4717833A (en) * | 1984-04-30 | 1988-01-05 | Boschert Inc. | Single wire current share paralleling of power supplies |
US4609828A (en) * | 1984-04-30 | 1986-09-02 | Boschert Inc. | Single wire current share paralleling of power supplies |
EP0185546B1 (en) * | 1984-12-17 | 1992-03-04 | Kabushiki Kaisha Toshiba | Control device for chopper apparatus |
US4695933A (en) * | 1985-02-11 | 1987-09-22 | Sundstrand Corporation | Multiphase DC-DC series-resonant converter |
US4648020A (en) * | 1985-02-26 | 1987-03-03 | Vicor Corporation | Power booster switching at zero current |
US4698738A (en) * | 1986-11-24 | 1987-10-06 | Unisys Corporation | Parallel connected power supplies having parallel connected control circuits which equalize output currents to a load even after one supply is turned off |
US4814963A (en) * | 1987-09-30 | 1989-03-21 | Spectra Physics | Modular power supply with variable input voltage and output voltage flyback power modules |
US4760276A (en) * | 1987-11-09 | 1988-07-26 | Unisys Corporation | Power supply system, for segmented loads, having phantom redundancy |
US4843534A (en) * | 1987-11-13 | 1989-06-27 | Pacific Power Source Corp. | DC to AC switching converter with phased delayed parallel switchers |
US4794508A (en) * | 1987-12-23 | 1988-12-27 | Dci Technology | PWM control circuit for a non-symmetrical switching power supply |
JPH0626473B2 (ja) * | 1988-02-27 | 1994-04-06 | 富士通電装株式会社 | 電流バランス型スイッチングレギュレータ |
US4858094A (en) * | 1988-10-18 | 1989-08-15 | Allied-Signal Inc. | Switched mode power supply with improved load regulation |
FR2645982B1 (fr) * | 1989-04-14 | 1991-06-14 | Alcatel Espace | Dispositif de regulation d'un parametre electrique lors d'un transfert d'energie entre deux reseaux |
DE3921724A1 (de) * | 1989-07-01 | 1989-12-21 | Ant Nachrichtentech | Verfahren zur strombegrenzung bei einem gegentaktgleichspannungswandler |
JP2515903B2 (ja) * | 1990-03-02 | 1996-07-10 | 株式会社日立製作所 | 交流電動機駆動システムとその制御方法 |
US5164890A (en) * | 1990-03-29 | 1992-11-17 | Hughes Aircraft Company | Current share scheme for parallel operation of power conditioners |
US5079686A (en) * | 1990-06-08 | 1992-01-07 | Vlt Corporation | Enhancement-mode zero-current switching converter |
DE4025718A1 (de) * | 1990-08-14 | 1992-02-27 | Kloeckner Moeller Gmbh | Verfahren zur symmetrischen lastverteilung bei ausgangsseitig parallelgeschalteten stromversorgungsgeraeten |
US5111133A (en) * | 1990-09-27 | 1992-05-05 | Analogic Corporation | Converter circuit for current mode control |
US5376830A (en) * | 1993-09-17 | 1994-12-27 | International Business Machines Corporation | High frequency slope compensation circuit for current programmed converter |
US5563540A (en) * | 1993-09-17 | 1996-10-08 | International Business Machines Corporation | Electronic switch having programmable means to reduce noise coupling |
US5521809A (en) * | 1993-09-17 | 1996-05-28 | International Business Machines Corporation | Current share circuit for DC to DC converters |
US5694309A (en) * | 1996-04-16 | 1997-12-02 | Vlt Corporation | Synchronization of power converter arrays |
FI112991B (fi) * | 1996-05-30 | 2004-02-13 | Nokia Corp | Hakkurivirtalähdejärjestely |
US6275948B1 (en) * | 1997-11-14 | 2001-08-14 | Agere Systems Guardian Corp. | Processor powerdown operation using intermittent bursts of instruction clock |
US6169334B1 (en) | 1998-10-27 | 2001-01-02 | Capstone Turbine Corporation | Command and control system and method for multiple turbogenerators |
US6731523B2 (en) * | 1999-05-12 | 2004-05-04 | Ascom Energy Systems Ag | Modularized power supply |
US6291798B1 (en) * | 1999-09-27 | 2001-09-18 | Lincoln Global, Inc. | Electric ARC welder with a plurality of power supplies |
US6442047B1 (en) * | 1999-10-08 | 2002-08-27 | Lambda Electronics, Inc. | Power conversion apparatus and methods with reduced current and voltage switching |
US6157555A (en) * | 1999-11-09 | 2000-12-05 | International Business Machines Corporation | Current limiter responsive to changing parallel power supply capacity |
US6285571B1 (en) | 2000-03-03 | 2001-09-04 | Linfinity Microelectronics | Method and apparatus for an efficient multiphase switching regulator |
US6292378B1 (en) | 2000-04-07 | 2001-09-18 | Linfinity Microelectronics | Method and apparatus for programmable current sharing |
US6522030B1 (en) | 2000-04-24 | 2003-02-18 | Capstone Turbine Corporation | Multiple power generator connection method and system |
US6288913B1 (en) | 2000-04-27 | 2001-09-11 | Rantec Power Systems Inc. | High voltage power supply allowing transformers to be run in parallel for higher output power |
US6642631B1 (en) * | 2000-10-17 | 2003-11-04 | Semiconductor Components Industries Llc | Circuit and method of direct duty cycle current sharing |
US6713721B2 (en) * | 2001-09-19 | 2004-03-30 | Illinois Tool Works Inc. | Method of designing and manufacturing welding-type power supplies |
US6664657B2 (en) * | 2001-11-08 | 2003-12-16 | Dell Products L.P. | Advanced method for increasing reliability of redundant current-sharing power supplies |
US6690589B2 (en) * | 2002-02-28 | 2004-02-10 | Valere Power, Inc. | Interleaved converter power factor correction method and apparatus |
US6836103B2 (en) * | 2002-06-28 | 2004-12-28 | Microsemi Corporation | Method and apparatus for dithering auto-synchronization of a multiphase switching power converter |
US7005835B2 (en) * | 2002-06-28 | 2006-02-28 | Microsemi Corp. | Method and apparatus for load sharing in a multiphase switching power converter |
US6965219B2 (en) * | 2002-06-28 | 2005-11-15 | Microsemi Corporation | Method and apparatus for auto-interleaving synchronization in a multiphase switching power converter |
US6768658B2 (en) * | 2002-09-04 | 2004-07-27 | Artesyn Technologies, Inc. | DC-DC power supply with at least two paralleled converters and current share method for same |
US20050243583A1 (en) * | 2004-05-03 | 2005-11-03 | Lambda Electronics | Method and circuit for sensing the output current of power sources |
US7002263B2 (en) * | 2004-06-09 | 2006-02-21 | Micrel, Incorporated | Elimination of recirculation current loss in load-shared switching mode power supplies |
US8785816B2 (en) | 2004-07-13 | 2014-07-22 | Lincoln Global, Inc. | Three stage power source for electric arc welding |
US9956639B2 (en) | 2005-02-07 | 2018-05-01 | Lincoln Global, Inc | Modular power source for electric ARC welding and output chopper |
US8269141B2 (en) * | 2004-07-13 | 2012-09-18 | Lincoln Global, Inc. | Power source for electric arc welding |
US8581147B2 (en) * | 2005-03-24 | 2013-11-12 | Lincoln Global, Inc. | Three stage power source for electric ARC welding |
US9855620B2 (en) | 2005-02-07 | 2018-01-02 | Lincoln Global, Inc. | Welding system and method of welding |
US9647555B2 (en) * | 2005-04-08 | 2017-05-09 | Lincoln Global, Inc. | Chopper output stage for arc welder power source |
US7569998B2 (en) * | 2006-07-06 | 2009-08-04 | Microsemi Corporation | Striking and open lamp regulation for CCFL controller |
US8093839B2 (en) * | 2008-11-20 | 2012-01-10 | Microsemi Corporation | Method and apparatus for driving CCFL at low burst duty cycle rates |
US10036768B2 (en) * | 2011-08-29 | 2018-07-31 | Landis+Gyr Llc | Method and arrangement for controlling DC power output in utility meter |
CN103580450B (zh) * | 2012-07-20 | 2017-03-29 | 中兴通讯股份有限公司 | 一种实现并联电源模块按比例自动均流的电路 |
US9381592B2 (en) * | 2012-07-23 | 2016-07-05 | Illinois Tool Works Inc. | Method and apparatus for providing welding type power |
CN102981482B (zh) * | 2012-11-29 | 2015-01-21 | 华为技术有限公司 | 一种供电电路及方法 |
US11536754B2 (en) | 2019-08-15 | 2022-12-27 | Landis+Gyr Innovations, Inc. | Electricity meter with fault tolerant power supply |
RU200414U1 (ru) * | 2020-02-11 | 2020-10-22 | Публичное акционерное общество "Ракетно-космическая корпорация "Энергия" имени С.П. Королёва" | Устройство электропитания импульсной нагрузки для систем электроснабжения постоянного тока |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5273326A (en) * | 1975-12-17 | 1977-06-20 | Fuji Electric Co Ltd | Current balance control method for parallel power system |
JPS543223A (en) * | 1977-06-08 | 1979-01-11 | Toshiba Corp | Inverter parallel operation system |
JPS54125447A (en) * | 1978-03-22 | 1979-09-28 | Shin Kobe Electric Machinery | Parallel operation system of ac power unit |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2914680A (en) * | 1956-12-10 | 1959-11-24 | Gen Electric | Load regulator |
US3824450A (en) * | 1973-05-14 | 1974-07-16 | Rca Corp | Power supply keep alive system |
US3902076A (en) * | 1974-08-12 | 1975-08-26 | Barber Colman Co | Generator monitoring circuit |
US4359679A (en) * | 1978-01-16 | 1982-11-16 | Wescom Switching, Inc. | Switching d-c. regulator and load-sharing system for multiple regulators |
-
1981
- 1981-05-26 US US06/266,718 patent/US4425613A/en not_active Expired - Lifetime
-
1982
- 1982-04-28 CA CA000401897A patent/CA1181805A/en not_active Expired
- 1982-05-24 JP JP57086703A patent/JPS57202879A/ja active Pending
- 1982-05-26 DE DE3219754A patent/DE3219754C2/de not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5273326A (en) * | 1975-12-17 | 1977-06-20 | Fuji Electric Co Ltd | Current balance control method for parallel power system |
JPS543223A (en) * | 1977-06-08 | 1979-01-11 | Toshiba Corp | Inverter parallel operation system |
JPS54125447A (en) * | 1978-03-22 | 1979-09-28 | Shin Kobe Electric Machinery | Parallel operation system of ac power unit |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004524161A (ja) * | 2001-04-17 | 2004-08-12 | リンカーン グローバル インコーポレーテッド | アーク溶接システム |
Also Published As
Publication number | Publication date |
---|---|
DE3219754A1 (de) | 1982-12-23 |
US4425613A (en) | 1984-01-10 |
DE3219754C2 (de) | 1985-05-23 |
CA1181805A (en) | 1985-01-29 |
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