AU2002216724A1 - Apparatus and method for measuring dc load current of a switching power supply - Google Patents

Apparatus and method for measuring dc load current of a switching power supply

Info

Publication number
AU2002216724A1
AU2002216724A1 AU2002216724A AU1672402A AU2002216724A1 AU 2002216724 A1 AU2002216724 A1 AU 2002216724A1 AU 2002216724 A AU2002216724 A AU 2002216724A AU 1672402 A AU1672402 A AU 1672402A AU 2002216724 A1 AU2002216724 A1 AU 2002216724A1
Authority
AU
Australia
Prior art keywords
measuring
power supply
switching power
load current
switching
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.)
Abandoned
Application number
AU2002216724A
Inventor
Lynn Schultz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ABB Power Electronics Inc
Original Assignee
Peco II Inc
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 Peco II Inc filed Critical Peco II Inc
Publication of AU2002216724A1 publication Critical patent/AU2002216724A1/en
Abandoned legal-status Critical Current

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
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0009—Devices or circuits for detecting current in a converter

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Dc-Dc Converters (AREA)
AU2002216724A 2000-11-15 2001-11-06 Apparatus and method for measuring dc load current of a switching power supply Abandoned AU2002216724A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/713,735 2000-11-15
US09/713,735 US6469491B1 (en) 2000-11-15 2000-11-15 Apparatus and method for measuring DC load current of a switching power supply
PCT/US2001/043972 WO2002041483A2 (en) 2000-11-15 2001-11-06 Apparatus and method for measuring dc load current of a switching power supply

Publications (1)

Publication Number Publication Date
AU2002216724A1 true AU2002216724A1 (en) 2002-05-27

Family

ID=24867317

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002216724A Abandoned AU2002216724A1 (en) 2000-11-15 2001-11-06 Apparatus and method for measuring dc load current of a switching power supply

Country Status (3)

Country Link
US (1) US6469491B1 (en)
AU (1) AU2002216724A1 (en)
WO (1) WO2002041483A2 (en)

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DE10307066B3 (en) * 2003-02-19 2004-05-27 Ewm Hightec Welding Gmbh Electric arc welding device comprises an alternating current rectifier, an inverter connected to the rectifier via an intermediate circuit, and a scanning unit
US7222034B2 (en) * 2003-09-19 2007-05-22 Tektronix, Inc. In-circuit measurement of saturation flux density Bsat, coercivity Hc, and permiability of magnetic components using a digital storage oscilloscope
EP1783788A3 (en) * 2005-11-02 2009-03-25 DET International Holding Limited Transformer with current sensing means
DE102006053935A1 (en) 2006-11-15 2008-05-29 Siemens Ag Arrangement and method for determining load currents in a vehicle
US7652899B2 (en) * 2007-05-30 2010-01-26 Delphi Technologies, Inc. Switching sequence control method for a PS-ZVT bridge converter
DE102009008199A1 (en) * 2009-02-04 2010-08-05 Lorch Schweißtechnik GmbH Method for controlling a welding power source and welding power source for carrying out the method
JP4557085B1 (en) * 2009-04-17 2010-10-06 ダイキン工業株式会社 Current detection circuit and air conditioner provided with the same
US8260695B1 (en) 2010-07-14 2012-09-04 Steven Rosenberg Secondary power meter for quarter-cycle power measurement and invoicing method
US9621018B2 (en) * 2010-12-20 2017-04-11 Texas Instruments Incorporated Systems for indirect average current measurement
US20120153920A1 (en) * 2010-12-20 2012-06-21 Gary David Guenther Systems for indirect average current measurement
CN103884894B (en) * 2012-12-20 2018-07-13 北京普源精电科技有限公司 A kind of improved shunt circuit linearity insulating circuit and its oscillograph
US20150061522A1 (en) * 2013-08-27 2015-03-05 Texas Instruments Incorporated Method and apparatus for calculating an average value of an inaccessible current from an acessible current
DE102015116171B4 (en) 2015-09-24 2018-03-08 Rehm Gmbh & Co. Kg Welding apparatus and method for operating the same
US10251231B1 (en) 2017-09-22 2019-04-02 Lutron Electronics Co., Inc. Load control device having a wide output range
EP3772166A1 (en) 2019-07-31 2021-02-03 Lutz Erhartt Pulse width modulation method for voltage inverter fed transformers

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US3422352A (en) 1965-09-14 1969-01-14 Nasa Apparatus for measuring current flow
US3500171A (en) 1967-01-06 1970-03-10 Canadian Patents Dev Self-balancing current comparator for precise voltage levels and potentiometer usage
IT993034B (en) * 1972-08-28 1975-09-30 Siemens Ag OVERLOAD PROTECTION FOR ELECTRIC CURRENT DEVICES WITH OPERATING TRANSISTORS
CH588670A5 (en) 1975-11-12 1977-06-15 Giovanna H Sa
IT1220186B (en) 1987-11-02 1990-06-06 Sgs Microelettronica Spa ANALOG MUTLIPLEX FOR THE DETECTION OF THE AMPLITUDE AND DIRECTION OF THE CURRENT IN BRIDGE STAGES USING A SINGLE REVELATION RESISTANCE
EP0356248B1 (en) 1988-08-24 1995-09-06 Liaisons Electroniques-Mecaniques Lem S.A. A current sensor
US5053695A (en) 1990-03-09 1991-10-01 Space Systems/Loral, Inc. Dc current monitor
GB2261533A (en) 1991-10-14 1993-05-19 Astec Int Ltd Indirect inductor current measurements in SMPS
US5218182A (en) 1992-06-11 1993-06-08 Hobart Brothers Company Constant current welding power supply with auxilary power source to maintain minimum output current levels
US5315498A (en) * 1992-12-23 1994-05-24 International Business Machines Corporation Apparatus providing leading leg current sensing for control of full bridge power supply
US5416408A (en) 1993-07-06 1995-05-16 General Electric Company Current sensor employing a mutually inductive current sensing scheme with a magnetic field substantially uniform in angular direction
US5627740A (en) 1994-12-14 1997-05-06 International Business Machines Corporation Low dissipation current sensing system for a switched DC power supply
FI952571A (en) 1995-05-26 1996-11-27 Salcomp Oy Method and circuit for checking output characteristics of a switched power supply
US5629616A (en) 1995-07-13 1997-05-13 Performance Conrols, Inc. Circuit for measuring current in class-d amplifiers
DE69603697T2 (en) 1995-10-02 2000-02-17 Koninklijke Philips Electronics N.V., Eindhoven SWITCHING POWER SUPPLY WITH TRANSFORMER AND FEEDBACK THROUGH PRIMARY WINDING
US5764047A (en) 1995-12-29 1998-06-09 Intel Corporation Measurement of power supply dc current by means of a small ac current
FI113917B (en) 1997-01-07 2004-06-30 Salcomp Oy Simple power limiting switch to control power supply output current
US5949197A (en) * 1997-06-30 1999-09-07 Everbrite, Inc. Apparatus and method for dimming a gas discharge lamp
JP2001511340A (en) 1997-12-10 2001-08-07 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Switched mode power supply with voltage and current limiting means
US6111216A (en) * 1999-01-19 2000-08-29 Lincoln Global, Inc. High current welding power supply
JP3446654B2 (en) 1999-04-02 2003-09-16 株式会社村田製作所 Switching power supply

Also Published As

Publication number Publication date
WO2002041483A2 (en) 2002-05-23
US6469491B1 (en) 2002-10-22
WO2002041483A3 (en) 2003-02-06

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