JP2015076988A5 - - Google Patents
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- JP2015076988A5 JP2015076988A5 JP2013211789A JP2013211789A JP2015076988A5 JP 2015076988 A5 JP2015076988 A5 JP 2015076988A5 JP 2013211789 A JP2013211789 A JP 2013211789A JP 2013211789 A JP2013211789 A JP 2013211789A JP 2015076988 A5 JP2015076988 A5 JP 2015076988A5
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- JP
- Japan
- Prior art keywords
- voltage
- converter
- cables
- pair
- negative
- 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.)
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- 238000003466 welding Methods 0.000 claims 3
- 230000001172 regenerating Effects 0.000 claims 1
Claims (1)
第1の直流−交流変換器からの交流電源を直流電源に変換する第1の交流−直流変換器と、
正極性電圧と第1の負極性電圧とに交互に変化する交流電圧に、第1の交流−直流変換器の出力直流電圧を変換して、1対のケーブルを介して溶接負荷に供給する第2の直流−交流変換器と、
前記正極性電圧から前記第1の負極性電圧への移行時から前記第1の負極性電圧の期間よりも短い期間に亘って、第2の負極性電圧を前記溶接負荷に前記1対のケーブルを介して供給する重畳電源と、
前記1対のケーブルに誘起された電圧に起因して前記重畳電源の電圧が予め定めた電圧を超えたとき、前記1対のケーブル間の電圧を前記第1の交流−直流変換器の入力側に回生する回生回路とを、
有するアーク溶接機用電源装置。 A first DC-AC converter for converting a DC power source into an AC power source;
A first AC-DC converter that converts AC power from the first DC-AC converter into DC power;
The output DC voltage of the first AC-DC converter is converted into an AC voltage that alternately changes to a positive polarity voltage and a first negative polarity voltage, and supplied to the welding load via a pair of cables. Two DC-AC converters;
The pair of cables is connected to the welding load with the second negative voltage over a period shorter than the period of the first negative voltage from the transition from the positive voltage to the first negative voltage. A superimposed power supply to be supplied via
When the voltage of the superimposed power source exceeds a predetermined voltage due to the voltage induced in the pair of cables, the voltage between the pair of cables is input to the input side of the first AC-DC converter. A regenerative circuit that regenerates
A power supply device for an arc welding machine.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013211789A JP6203594B2 (en) | 2013-10-09 | 2013-10-09 | Power supply unit for arc welding machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013211789A JP6203594B2 (en) | 2013-10-09 | 2013-10-09 | Power supply unit for arc welding machine |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2015076988A JP2015076988A (en) | 2015-04-20 |
JP2015076988A5 true JP2015076988A5 (en) | 2016-09-23 |
JP6203594B2 JP6203594B2 (en) | 2017-09-27 |
Family
ID=53001454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013211789A Active JP6203594B2 (en) | 2013-10-09 | 2013-10-09 | Power supply unit for arc welding machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6203594B2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6661509B2 (en) * | 2016-10-04 | 2020-03-11 | 日立オートモティブシステムズ株式会社 | Control device and control method for brushless motor |
EP3616823A1 (en) * | 2018-08-30 | 2020-03-04 | Fronius International GmbH | Method for compensating for interference of a welding current from another welding current source |
EP3616822A1 (en) * | 2018-08-30 | 2020-03-04 | Fronius International GmbH | Method for determining an interfering coupling between welding current circuits of a welding installation |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63309373A (en) * | 1987-06-11 | 1988-12-16 | Hitachi Seiko Ltd | Arc welding source |
JPH0241777A (en) * | 1988-07-29 | 1990-02-09 | Daihen Corp | Power unit for arc machining |
JP2789222B2 (en) * | 1989-06-02 | 1998-08-20 | 株式会社日立製作所 | Power converter |
JPH0533640U (en) * | 1991-10-09 | 1993-04-30 | 三菱電機株式会社 | Power regeneration device |
JPH0796367A (en) * | 1993-09-28 | 1995-04-11 | Sansha Electric Mfg Co Ltd | Arc welding machine |
JPH08107683A (en) * | 1994-10-03 | 1996-04-23 | Mitsubishi Electric Corp | Drive controller of motor and insulation type bidirectional dc voltage converting circuit |
JP2007318893A (en) * | 2006-05-25 | 2007-12-06 | Ntt Data Ex Techno Corp | Uninterruptible power supply device, bidirectional power transfer circuit, and power supply system |
US20110000900A1 (en) * | 2009-07-01 | 2011-01-06 | Lincoln Global, Inc. | Inverter output rectifier circuit |
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2013
- 2013-10-09 JP JP2013211789A patent/JP6203594B2/en active Active
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