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GB2350501B - Method and apparatus for monitoring ac circuits - Google Patents

Method and apparatus for monitoring ac circuits

Info

Publication number
GB2350501B
GB2350501B GB0022442A GB0022442A GB2350501B GB 2350501 B GB2350501 B GB 2350501B GB 0022442 A GB0022442 A GB 0022442A GB 0022442 A GB0022442 A GB 0022442A GB 2350501 B GB2350501 B GB 2350501B
Authority
GB
United Kingdom
Prior art keywords
circuits
monitoring
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.)
Expired - Fee Related
Application number
GB0022442A
Other versions
GB2350501A (en
GB0022442D0 (en
Inventor
David Birtwhistle
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.)
University of Queensland UQ
Queensland University of Technology QUT
Original Assignee
University of Queensland UQ
Queensland University of Technology QUT
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 University of Queensland UQ, Queensland University of Technology QUT filed Critical University of Queensland UQ
Publication of GB0022442D0 publication Critical patent/GB0022442D0/en
Publication of GB2350501A publication Critical patent/GB2350501A/en
Application granted granted Critical
Publication of GB2350501B publication Critical patent/GB2350501B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
    • G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
    • G01R31/3272—Apparatus, systems or circuits therefor
    • 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
    • G01R15/16—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using capacitive devices
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Gas-Insulated Switchgears (AREA)
GB0022442A 1998-02-19 1999-02-19 Method and apparatus for monitoring ac circuits Expired - Fee Related GB2350501B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPP1922A AUPP192298A0 (en) 1998-02-19 1998-02-19 Methods and apparatus for monitoring ac circuits
PCT/AU1999/000096 WO1999042845A1 (en) 1998-02-19 1999-02-19 Method and apparatus for monitoring ac circuits

Publications (3)

Publication Number Publication Date
GB0022442D0 GB0022442D0 (en) 2000-11-01
GB2350501A GB2350501A (en) 2000-11-29
GB2350501B true GB2350501B (en) 2002-10-30

Family

ID=3806191

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0022442A Expired - Fee Related GB2350501B (en) 1998-02-19 1999-02-19 Method and apparatus for monitoring ac circuits

Country Status (3)

Country Link
AU (1) AUPP192298A0 (en)
GB (1) GB2350501B (en)
WO (1) WO1999042845A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2385464C2 (en) * 2004-06-21 2010-03-27 Абб Текнолоджи Аг Method and device for measuring electrical voltage across device for switching off electrical power

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6529013B2 (en) 2001-05-31 2003-03-04 Mcgraw-Edison Company Three-phase voltage sensor with active crosstalk cancellation
US6717395B2 (en) * 2001-05-31 2004-04-06 Mcgraw-Edison Company Current transformer based high voltage measurement apparatus
US6963203B2 (en) * 2003-03-31 2005-11-08 General Electric Company Methods and apparatus for analyzing high voltage circuit breakers
CN103424591A (en) * 2012-05-15 2013-12-04 苏州工业园区新宏博通讯科技有限公司 Current sampling circuit for automatic reclosing lock
US9455564B2 (en) 2014-02-21 2016-09-27 General Electric Company Current and voltage module and methods of monitoring current and voltage in power distribution systems
WO2016135126A1 (en) * 2015-02-25 2016-09-01 General Electric Technology Gmbh Improvements in or relating to digital output circuits
US11137421B1 (en) * 2020-04-10 2021-10-05 Schneider Electric USA, Inc. Non-contact voltage sensing system
CN112083303A (en) * 2020-07-30 2020-12-15 中国电力科学研究院有限公司 Device and method for measuring discharge current of capacitor element during breakdown
CN112345817B (en) * 2020-11-16 2024-11-05 国网吉林省电力有限公司电力科学研究院 Overvoltage test circuit and method for switching dry-type air-core reactor of SF6 circuit breaker
EP4312032B1 (en) * 2022-07-27 2025-01-22 Hochschule für Angewandte Wissenschaft und Kunst Hildesheim/Holzminden/Göttingen Measuring device for alternating currents and high voltages of physical plasmas

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4689752A (en) * 1983-04-13 1987-08-25 Niagara Mohawk Power Corporation System and apparatus for monitoring and control of a bulk electric power delivery system
US4794327A (en) * 1983-04-13 1988-12-27 Fernandes Roosevelt A Electrical parameter sensing module for mounting on and removal from an energized high voltage power conductor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4689752A (en) * 1983-04-13 1987-08-25 Niagara Mohawk Power Corporation System and apparatus for monitoring and control of a bulk electric power delivery system
US4794327A (en) * 1983-04-13 1988-12-27 Fernandes Roosevelt A Electrical parameter sensing module for mounting on and removal from an energized high voltage power conductor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2385464C2 (en) * 2004-06-21 2010-03-27 Абб Текнолоджи Аг Method and device for measuring electrical voltage across device for switching off electrical power

Also Published As

Publication number Publication date
GB2350501A (en) 2000-11-29
AUPP192298A0 (en) 1998-03-12
GB0022442D0 (en) 2000-11-01
WO1999042845A1 (en) 1999-08-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050219