JP2015076988A5 - - Google Patents

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Publication number
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
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Application number
JP2013211789A
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Japanese (ja)
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JP2015076988A (en
JP6203594B2 (en
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Priority to JP2013211789A priority Critical patent/JP6203594B2/en
Priority claimed from JP2013211789A external-priority patent/JP6203594B2/en
Publication of JP2015076988A publication Critical patent/JP2015076988A/en
Publication of JP2015076988A5 publication Critical patent/JP2015076988A5/ja
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Publication of JP6203594B2 publication Critical patent/JP6203594B2/en
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Claims (1)

直流電源を交流電源に変換する第1の直流−交流変換器と、
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.
JP2013211789A 2013-10-09 2013-10-09 Power supply unit for arc welding machine Active JP6203594B2 (en)

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)

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JP (1) JP6203594B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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