GB2408809B - Method of obtaining power line loop impedance, and loop impedance tester - Google Patents

Method of obtaining power line loop impedance, and loop impedance tester

Info

Publication number
GB2408809B
GB2408809B GB0422292A GB0422292A GB2408809B GB 2408809 B GB2408809 B GB 2408809B GB 0422292 A GB0422292 A GB 0422292A GB 0422292 A GB0422292 A GB 0422292A GB 2408809 B GB2408809 B GB 2408809B
Authority
GB
United Kingdom
Prior art keywords
loop impedance
power line
obtaining power
tester
line loop
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.)
Active
Application number
GB0422292A
Other languages
English (en)
Other versions
GB2408809A (en
GB0422292D0 (en
Inventor
Atsushi Wada
Yuuji Inoshita
Takanobu Yamaji
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.)
Kyoritsu Electrical Instruments Works Ltd
Original Assignee
Kyoritsu Electrical Instruments Works Ltd
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 Kyoritsu Electrical Instruments Works Ltd filed Critical Kyoritsu Electrical Instruments Works Ltd
Publication of GB0422292D0 publication Critical patent/GB0422292D0/en
Publication of GB2408809A publication Critical patent/GB2408809A/en
Application granted granted Critical
Publication of GB2408809B publication Critical patent/GB2408809B/en
Anticipated expiration legal-status Critical
Active legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
GB0422292A 2003-12-03 2004-10-07 Method of obtaining power line loop impedance, and loop impedance tester Active GB2408809B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003404364A JP4297774B2 (ja) 2003-12-03 2003-12-03 電力線路用ループインピーダンス取得方法およびループインピーダンステスタ

Publications (3)

Publication Number Publication Date
GB0422292D0 GB0422292D0 (en) 2004-11-10
GB2408809A GB2408809A (en) 2005-06-08
GB2408809B true GB2408809B (en) 2006-02-01

Family

ID=33448081

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0422292A Active GB2408809B (en) 2003-12-03 2004-10-07 Method of obtaining power line loop impedance, and loop impedance tester

Country Status (2)

Country Link
JP (1) JP4297774B2 (ja)
GB (1) GB2408809B (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013092815A1 (de) 2011-12-21 2013-06-27 Eaton Industries (Austria) Gmbh Impedanzmessgeraet
US12019107B2 (en) 2020-02-05 2024-06-25 Megger Instruments Ltd Measuring loop resistance

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0514842D0 (en) * 2005-07-20 2005-08-24 Kew Technik Ltd Testing device and method
GB2429301B (en) * 2005-08-19 2007-08-01 Megger Ltd Testing loop impedence in an RCCB electrical test circuit
CN101682184A (zh) 2006-11-24 2010-03-24 杰米那资产管理（6）有限公司 供电监控系统
GB0701200D0 (en) * 2007-01-23 2007-02-28 Seaward Electronic Ltd Method and apparatus for determining impedance of live-earth loop of electrical power supply
KR101009595B1 (ko) * 2009-03-16 2011-01-20 윌전기공업(주) 비접지 직류전원계통의 접지누설전류 측정 장치 및 그 방법
WO2015018019A1 (zh) * 2013-08-08 2015-02-12 优利德科技(中国)有限公司 一种电源火线与地线之间阻抗的测量装置及方法
EP2878963B1 (de) * 2013-11-28 2022-11-23 Siemens Aktiengesellschaft Verfahren zum Betreiben einer Schaltungsanordnung, umfassend ein Schaltnetzteil und einen Verbraucher
CN105021898B (zh) * 2015-07-21 2017-10-24 西南交通大学 一种单相牵引变压器的空载损耗监测的转换装置
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
JP7248712B2 (ja) 2021-01-12 2023-03-29 東芝ライフスタイル株式会社 冷蔵庫

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0881500A1 (fr) * 1997-05-30 1998-12-02 Chauvin Arnoux Procédé pour la mesure de l'impédance de boucle d'un réseau d'alimentation en courant avec conducteur neutre
EP0915347A2 (de) * 1997-11-04 1999-05-12 Lem Norma GmbH Verfahren und Vorrichtung zur Messung des Schleifenwiderstandes in Schutzschalter-geschützten Netzen
US6288553B1 (en) * 1997-10-18 2001-09-11 Ch. Beha Gmbh Technische Neuentwicklungen Method for determining the loop resistance of a power supply network
GB2380554A (en) * 2001-10-02 2003-04-09 Robin Electronics Ltd Circuit Tester

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0881500A1 (fr) * 1997-05-30 1998-12-02 Chauvin Arnoux Procédé pour la mesure de l'impédance de boucle d'un réseau d'alimentation en courant avec conducteur neutre
US6288553B1 (en) * 1997-10-18 2001-09-11 Ch. Beha Gmbh Technische Neuentwicklungen Method for determining the loop resistance of a power supply network
EP0915347A2 (de) * 1997-11-04 1999-05-12 Lem Norma GmbH Verfahren und Vorrichtung zur Messung des Schleifenwiderstandes in Schutzschalter-geschützten Netzen
GB2380554A (en) * 2001-10-02 2003-04-09 Robin Electronics Ltd Circuit Tester

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013092815A1 (de) 2011-12-21 2013-06-27 Eaton Industries (Austria) Gmbh Impedanzmessgeraet
US12019107B2 (en) 2020-02-05 2024-06-25 Megger Instruments Ltd Measuring loop resistance

Also Published As

Publication number Publication date
JP4297774B2 (ja) 2009-07-15
JP2005164419A (ja) 2005-06-23
GB2408809A (en) 2005-06-08
GB0422292D0 (en) 2004-11-10

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