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 supplyInfo
- 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
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)
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) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
2000
- 2000-11-15 US US09/713,735 patent/US6469491B1/en not_active Expired - Fee Related
-
2001
- 2001-11-06 WO PCT/US2001/043972 patent/WO2002041483A2/en not_active Application Discontinuation
- 2001-11-06 AU AU2002216724A patent/AU2002216724A1/en not_active Abandoned
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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