AU2001293271A1 - Wide ratio autotransformer-type current ranging - Google Patents

Wide ratio autotransformer-type current ranging

Info

Publication number
AU2001293271A1
AU2001293271A1 AU2001293271A AU9327101A AU2001293271A1 AU 2001293271 A1 AU2001293271 A1 AU 2001293271A1 AU 2001293271 A AU2001293271 A AU 2001293271A AU 9327101 A AU9327101 A AU 9327101A AU 2001293271 A1 AU2001293271 A1 AU 2001293271A1
Authority
AU
Australia
Prior art keywords
type current
wide ratio
current ranging
autotransformer
ratio autotransformer
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
AU2001293271A
Inventor
Glenn A. Mayfield
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.)
RADIAN RESEARCH Inc
Original Assignee
Radian Res 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 Radian Res Inc filed Critical Radian Res Inc
Publication of AU2001293271A1 publication Critical patent/AU2001293271A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P13/00—Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output
    • H02P13/06—Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output by tap-changing; by rearranging interconnections of windings
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
    • G05F1/14—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using tap transformers or tap changing inductors as final control devices
    • 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
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase ac
    • H01F38/28—Current transformers
    • H01F38/32—Circuit arrangements
    • 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
    • G01R15/183—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Physics & Mathematics (AREA)
  • Ac-Ac Conversion (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Amplifiers (AREA)
  • Control Of Electrical Variables (AREA)
  • Measurement Of Optical Distance (AREA)
  • Coils Or Transformers For Communication (AREA)
AU2001293271A 2000-09-15 2001-09-11 Wide ratio autotransformer-type current ranging Abandoned AU2001293271A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US23271900P 2000-09-15 2000-09-15
US60/232,719 2000-09-15
PCT/US2001/042116 WO2002023301A1 (en) 2000-09-15 2001-09-11 Wide ratio autotransformer-type current ranging

Publications (1)

Publication Number Publication Date
AU2001293271A1 true AU2001293271A1 (en) 2002-03-26

Family

ID=22874259

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001293271A Abandoned AU2001293271A1 (en) 2000-09-15 2001-09-11 Wide ratio autotransformer-type current ranging

Country Status (9)

Country Link
US (1) US6879232B2 (en)
EP (1) EP1325394B1 (en)
AU (1) AU2001293271A1 (en)
BR (1) BRPI0113913B1 (en)
CA (2) CA2422689C (en)
DE (1) DE60139265D1 (en)
DK (1) DK1325394T3 (en)
ES (1) ES2330922T3 (en)
WO (1) WO2002023301A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8922315B2 (en) * 2011-05-17 2014-12-30 Bae Systems Information And Electronic Systems Integration Inc. Flexible ultracapacitor cloth for feeding portable electronic device
KR101514491B1 (en) * 2011-12-08 2015-04-23 삼성전기주식회사 Coil Parts And Method of Manufacturing The Same
KR101792274B1 (en) * 2012-08-08 2017-11-01 삼성전기주식회사 Filter for Removing Noise
US20140160820A1 (en) * 2012-12-10 2014-06-12 Grid Sentry LLC Electrical Current Transformer for Power Distribution Line Sensors
US9337638B2 (en) 2013-01-29 2016-05-10 Grid Sentry LLC Clamp mechanism for power distribution line sensors
US10044187B2 (en) 2015-04-30 2018-08-07 Abb Schweiz Ag AC network power flow control
TWI836501B (en) * 2022-07-06 2024-03-21 致茂電子股份有限公司 Transformer device

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2885639A (en) * 1956-05-28 1959-05-05 Duncan Electric Co Inc Dual-range meters
US3814866A (en) * 1971-09-30 1974-06-04 Reliable Electric Co Negative resistance repeater
US3815013A (en) * 1972-06-14 1974-06-04 Gen Electric Current transformer with active load termination
US3952256A (en) * 1974-07-25 1976-04-20 Unicord Incorporated Multi-impedance output for transistor power amplifier
US4107620A (en) * 1976-10-12 1978-08-15 Forbro Design Corp. Regulated power supply with auto-transformer output and direct current feedback
US4480214B2 (en) * 1982-04-16 1991-04-16 Starter circuit for gaseous discharge lamp
US4733158A (en) * 1986-08-21 1988-03-22 Datametrics Corporation Control circuit for tap-switching power supplies and multi-tap transformers
US5054076A (en) * 1989-11-13 1991-10-01 Lowell Manufacturing Company Key-actuated volume control
US5276394A (en) * 1992-06-26 1994-01-04 Radian Research, Inc. Compensated transformers
US5754012A (en) * 1995-01-25 1998-05-19 Micro Linear Corporation Primary side lamp current sensing for minature cold cathode fluorescent lamp system
US5652479A (en) * 1995-01-25 1997-07-29 Micro Linear Corporation Lamp out detection for miniature cold cathode fluorescent lamp system
US5604669A (en) * 1995-03-28 1997-02-18 Northrop Grumman Corporation Resonant, current mode regulated, half-bridge power supply
EP0934623B1 (en) * 1997-06-13 2007-01-24 Koninklijke Philips Electronics N.V. A switched-mode power supply
US6087738A (en) * 1998-08-20 2000-07-11 Robicon Corporation Variable output three-phase transformer
US6348782B1 (en) * 1998-10-02 2002-02-19 Powerware Corporation Uninterruptible power supply systems, voltage regulators and operating methods employing controlled ferroresonant transformer circuits
US6417651B1 (en) * 2000-05-02 2002-07-09 James W. Kronberg Digitally-controlled AC voltage stabilizer
US6414412B1 (en) * 2000-08-21 2002-07-02 Chung-Hsin Hao Variable speed motor with tapped starting winding

Also Published As

Publication number Publication date
CA2689788A1 (en) 2002-03-21
WO2002023301A8 (en) 2002-07-04
WO2002023301A1 (en) 2002-03-21
EP1325394B1 (en) 2009-07-15
US6879232B2 (en) 2005-04-12
ES2330922T3 (en) 2009-12-17
US20030151482A1 (en) 2003-08-14
EP1325394A1 (en) 2003-07-09
CA2422689C (en) 2010-03-30
BR0113913A (en) 2004-02-10
DE60139265D1 (en) 2009-08-27
CA2422689A1 (en) 2002-03-21
CA2689788C (en) 2012-08-07
WO2002023301A9 (en) 2002-12-27
DK1325394T3 (en) 2009-10-26
BRPI0113913B1 (en) 2015-07-14
EP1325394A4 (en) 2006-04-19

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