ATE403881T1 - Schleifenimpedanztester - Google Patents

Schleifenimpedanztester

Info

Publication number
ATE403881T1
ATE403881T1 AT02774946T AT02774946T ATE403881T1 AT E403881 T1 ATE403881 T1 AT E403881T1 AT 02774946 T AT02774946 T AT 02774946T AT 02774946 T AT02774946 T AT 02774946T AT E403881 T1 ATE403881 T1 AT E403881T1
Authority
AT
Austria
Prior art keywords
pulses
train
loop
mains supply
loop impedance
Prior art date
Application number
AT02774946T
Other languages
English (en)
Inventor
Douglas William Batten
Martin Ian Gordon
Original Assignee
Martindale Electric Company Lt
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 Martindale Electric Company Lt filed Critical Martindale Electric Company Lt
Application granted granted Critical
Publication of ATE403881T1 publication Critical patent/ATE403881T1/de

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
    • G01R31/40—Testing power supplies
    • G01R31/42—AC power supplies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • G01R27/18—Measuring resistance to earth, i.e. line to ground

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Networks Using Active Elements (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
AT02774946T 2001-10-24 2002-10-24 Schleifenimpedanztester ATE403881T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0125519A GB2381322B (en) 2001-10-24 2001-10-24 Loop impedance meter

Publications (1)

Publication Number Publication Date
ATE403881T1 true ATE403881T1 (de) 2008-08-15

Family

ID=9924429

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02774946T ATE403881T1 (de) 2001-10-24 2002-10-24 Schleifenimpedanztester

Country Status (7)

Country Link
US (1) US7170296B2 (de)
EP (1) EP1438598B1 (de)
AT (1) ATE403881T1 (de)
AU (1) AU2002341134B2 (de)
DE (1) DE60228110D1 (de)
GB (1) GB2381322B (de)
WO (1) WO2003036315A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2872913B1 (fr) * 2004-07-06 2006-10-27 Chauvin Arnoux Procede de determination des composantes active et reactive de l'impedance de boucle d'un reseau d'alimentation en courant alternatif, ainsi qu'un dispositif pour la mise en oeuvre de ce procede
GB0504352D0 (en) * 2005-03-03 2005-04-06 Deepstream Technologies Ltd Method and apparatus for monitoring the earth loop impedance of an electrical installation
GB2429301B (en) * 2005-08-19 2007-08-01 Megger Ltd Testing loop impedence in an RCCB electrical test circuit
CN100458455C (zh) * 2006-11-23 2009-02-04 韩俊 对接地状态进行检测的信号产生电路
US20100070273A1 (en) * 2008-09-17 2010-03-18 Honeywell International Inc. Speech synthesis and voice recognition in metrologic equipment
ES2566981B1 (es) * 2014-02-05 2017-01-13 Cirprotec, S.L. Dispositivo combinado de protección eléctrica contra sobretensiones transitorias y supervisión de una instalación eléctrica y procedimiento de funcionamiento de dicho dispositivo.
CN104034968A (zh) * 2014-06-30 2014-09-10 阳光电源股份有限公司 一种光伏逆变器电网对地绝缘阻抗检测装置及方法
CN104345212A (zh) * 2014-10-11 2015-02-11 苏州克兰兹电子科技有限公司 一种电子式电能表
GB2559120B (en) * 2017-01-20 2019-05-08 Seaward Electronics Ltd Method and apparatus for determining impedance of live-earth loop of an electrical power supply
US10884068B2 (en) * 2017-10-30 2021-01-05 Eaton Intelligent Power Limited Method and apparatus for measuring prospective short circuit current
CN111693800A (zh) * 2020-05-09 2020-09-22 国网湖南省电力有限公司 一种漏电保护动作装置的动作特性测试方法及测试电路
CN114460376A (zh) * 2021-12-30 2022-05-10 深圳供电局有限公司 回路阻抗检测方法、电路、计算机设备和存储介质
CN119667294B (zh) * 2025-02-21 2025-05-16 上海锐测电子科技有限公司 一种用于回路电阻测试的脉冲电流注入系统及相关装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB833339A (en) 1956-01-06 1960-04-21 Edwin Roscoe Improvements in and relating to electrical testing apparatus for protective earthing
US4761812A (en) * 1985-12-10 1988-08-02 U.S. Holding Company, Inc. Constant power telephone line circuit
GB9313602D0 (en) * 1993-07-01 1993-08-18 Avo Megger Instr Ltd Electrical test instrument
GB9416122D0 (en) * 1994-08-10 1994-09-28 Jekyll Electric Technology Ltd Loop testers
GB9606751D0 (en) * 1996-03-29 1996-06-05 Robin Electronics Ltd RCD loop tester
EP0881500B1 (de) * 1997-05-30 2003-01-29 CHAUVIN ARNOUX Société dite: Messverfahren zur Messung der Schleifenwiderstandes eines Stromversorgungsnetzes mit Nulleitern
DE19746200C2 (de) * 1997-10-18 2001-06-28 Beha C Gmbh Verfahren zur Bestimmung des Schleifenwiderstands eines Stromversorgungsnetzes
GB2343005B (en) * 1998-10-06 2002-10-02 Desmond Wheable An instrument for the measurement of earth loop resistance without tripping R C D's (Residual current detector)

Also Published As

Publication number Publication date
GB2381322B (en) 2005-09-14
GB0125519D0 (en) 2001-12-12
DE60228110D1 (de) 2008-09-18
EP1438598B1 (de) 2008-08-06
US20060071675A1 (en) 2006-04-06
US7170296B2 (en) 2007-01-30
AU2002341134B2 (en) 2007-11-29
GB2381322A (en) 2003-04-30
WO2003036315A1 (en) 2003-05-01
EP1438598A1 (de) 2004-07-21

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties