BRPI0922325A2 - processo e dispositivo para a determinação de uma corrente contínua e dispositivo de soldagem por resistência - Google Patents

processo e dispositivo para a determinação de uma corrente contínua e dispositivo de soldagem por resistência

Info

Publication number
BRPI0922325A2
BRPI0922325A2 BRPI0922325A BRPI0922325A BRPI0922325A2 BR PI0922325 A2 BRPI0922325 A2 BR PI0922325A2 BR PI0922325 A BRPI0922325 A BR PI0922325A BR PI0922325 A BRPI0922325 A BR PI0922325A BR PI0922325 A2 BRPI0922325 A2 BR PI0922325A2
Authority
BR
Brazil
Prior art keywords
determining
direct current
resistance welding
welding device
resistance
Prior art date
Application number
BRPI0922325A
Other languages
English (en)
Inventor
Ennsbrunner Helmut
Badegruber Thomas
Original Assignee
Fronius Int Gmbh
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 Fronius Int Gmbh filed Critical Fronius Int Gmbh
Publication of BRPI0922325A2 publication Critical patent/BRPI0922325A2/pt

Links

Classifications

    • 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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/24—Electric supply or control circuits therefor
    • B23K11/25—Monitoring devices
    • B23K11/252—Monitoring devices using digital means
    • B23K11/257—Monitoring devices using digital means the measured parameter being an electrical current
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
    • G01R15/181—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using coils without a magnetic core, e.g. Rogowski coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/08—High-leakage transformers or inductances
    • H01F38/085—Welding transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
BRPI0922325A 2008-12-09 2009-12-01 processo e dispositivo para a determinação de uma corrente contínua e dispositivo de soldagem por resistência BRPI0922325A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT19152008A AT507553B1 (de) 2008-12-09 2008-12-09 Verfahren und vorrichtung zum ermitteln eines gleichstroms und widerstandsschweissvorrichtung
PCT/AT2009/000465 WO2010065975A1 (de) 2008-12-09 2009-12-01 VERFAHREN UND VORRICHTUNG ZUM ERMITTELN EINES GLEICHSTROMS UND WIDERSTANDSSCHWEIßVORRICHTUNG

Publications (1)

Publication Number Publication Date
BRPI0922325A2 true BRPI0922325A2 (pt) 2018-02-14

Family

ID=41727521

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0922325A BRPI0922325A2 (pt) 2008-12-09 2009-12-01 processo e dispositivo para a determinação de uma corrente contínua e dispositivo de soldagem por resistência

Country Status (8)

Country Link
US (1) US8912786B2 (pt)
EP (1) EP2364234B1 (pt)
JP (1) JP5675639B2 (pt)
CN (1) CN102239026B (pt)
AT (1) AT507553B1 (pt)
BR (1) BRPI0922325A2 (pt)
RU (1) RU2473096C1 (pt)
WO (1) WO2010065975A1 (pt)

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US8493053B2 (en) * 2009-12-18 2013-07-23 GRID20/20, Inc. System and device for measuring voltage in a conductor
AT512995A1 (de) * 2012-05-18 2013-12-15 Fronius Int Gmbh Verfahren zur Regelung einer Stromquelle, sowie Stromquelle und Prozessregler hierfür
DE102013216432A1 (de) * 2013-08-20 2015-02-26 Robert Bosch Gmbh Verfahren zum Überwachen einer Schweißstromquelle und Überwachungsvorrichtung für eine Schweißstromquelle
US9314878B2 (en) * 2013-09-12 2016-04-19 Ford Global Technologies, Llc Non-destructive aluminum weld quality estimator
US9606146B2 (en) 2014-09-25 2017-03-28 Fluke Corporation Wireless rogowski coil system
CN107486609B (zh) * 2017-09-01 2019-06-11 上海一带轨道焊接科技有限公司 一种焊接电流全程实测系统及数据采集、处理与显示方法
DE102018204129B3 (de) * 2018-03-19 2019-07-04 Siemens Aktiengesellschaft Verfahren und Einrichtung zur Messung eines Wechselstroms mit einem Rogowski-Stromwandler
US11125784B2 (en) * 2018-06-13 2021-09-21 Analog Devices International Unlimited Company Correcting for a gain error resulting from the position of a pole of zero in a transfer function of a system
US11841386B2 (en) 2018-06-13 2023-12-12 Analog Devices International Unlimited Company Apparatus for and method of correcting for a gain error resulting from the position of a pole or zero in a transfer function and to a current measurement device including such an apparatus
CN109709368B (zh) * 2019-01-16 2024-03-22 中国科学院空间应用工程与技术中心 一种脉冲采样隔离电路
CN110125527A (zh) * 2019-05-07 2019-08-16 天津七所高科技有限公司 次高频阻焊电流信号处理系统
JP7299606B2 (ja) * 2019-05-30 2023-06-28 国立大学法人九州工業大学 電流計測装置、電流計測方法及びプログラム
FR3108987B1 (fr) * 2020-04-02 2022-04-08 Safran Electrical & Power Capteur de courant de type Rogowski rapide et immune aux dérives en tension

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SU467797A1 (ru) * 1973-03-05 1975-04-25 Институт Электросварки Им.Е.О. Патона Способ измерени сварочного тока
DE2656817A1 (de) * 1976-12-15 1978-06-22 Siemens Ag Strommessgeber fuer die potentialtrennende erfassung des strom-istwertes in einem leiter
US4345198A (en) * 1981-02-20 1982-08-17 General Electric Company Generator air gap electrical torque monitor
JPS61271466A (ja) 1985-05-27 1986-12-01 Honda Motor Co Ltd 溶接電流検出回路
US4831327A (en) * 1987-05-01 1989-05-16 Hydro-Quebec Self-powered electrical measuring system isolated from electrical perturbances
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US5815391A (en) * 1996-03-19 1998-09-29 International Rectifier Corporation Current sensing circuit for pulse width modulated motor drive
RU2131128C1 (ru) * 1996-07-01 1999-05-27 Ульяновский государственный технический университет Переносной цифровой измеритель больших постоянных токов
JPH10211584A (ja) 1997-01-28 1998-08-11 Honda Motor Co Ltd 溶接制御方法
JPH10323767A (ja) * 1997-05-27 1998-12-08 Miyachi Technos Corp 抵抗溶接用電流検出装置
DE19731790A1 (de) * 1997-07-24 1999-01-28 Bosch Gmbh Robert Einrichtung zum Erfassen eines Wechselstromes
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FR2870040B1 (fr) * 2004-05-10 2006-06-09 Areva T & D Sa Transformateur de courant a bobinages de type rogowski comportant des circuits partiels associes pour former un circuit complet
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ITBO20060700A1 (it) 2006-10-11 2008-04-12 Ocem Spa Dispositivo per l'alimentazione di diodi led
US7598724B2 (en) * 2007-01-19 2009-10-06 Admmicro Properties, Llc Flexible current transformer assembly
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US20110043190A1 (en) * 2009-08-20 2011-02-24 Farr Lawrence B Rogowski coil, medium voltage electrical apparatus including the same, and method of providing electrostatic shielding for a rogowski coil

Also Published As

Publication number Publication date
US8912786B2 (en) 2014-12-16
CN102239026A (zh) 2011-11-09
JP5675639B2 (ja) 2015-02-25
JP2012511157A (ja) 2012-05-17
RU2473096C1 (ru) 2013-01-20
CN102239026B (zh) 2015-08-26
EP2364234A1 (de) 2011-09-14
US20110260711A1 (en) 2011-10-27
AT507553A4 (de) 2010-06-15
EP2364234B1 (de) 2017-09-06
AT507553B1 (de) 2010-06-15
WO2010065975A1 (de) 2010-06-17

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Legal Events

Date Code Title Description
B08F Application fees: dismissal - article 86 of industrial property law
B08K Lapse as no evidence of payment of the annual fee has been furnished to inpi (acc. art. 87)