GB0422292D0 - 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
GB0422292D0
GB0422292D0 GB0422292A GB0422292A GB0422292D0 GB 0422292 D0 GB0422292 D0 GB 0422292D0 GB 0422292 A GB0422292 A GB 0422292A GB 0422292 A GB0422292 A GB 0422292A GB 0422292 D0 GB0422292 D0 GB 0422292D0
Authority
GB
Grant status
Application
Patent type
Prior art keywords
loop impedance
method
power line
obtaining power
tester
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.)
Granted
Application number
GB0422292A
Other versions
GB2408809A (en )
GB2408809B (en )
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

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • G01R27/18Measuring resistance to earth, i.e. line to ground
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
GB0422292A 2003-12-03 2004-10-07 Method of obtaining power line loop impedance, and loop impedance tester Active GB2408809B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003404364A JP4297774B2 (en) 2003-12-03 2003-12-03 Loop impedance acquisition method and loop impedance tester for power line

Publications (3)

Publication Number Publication Date
GB0422292D0 true true GB0422292D0 (en) 2004-11-10
GB2408809A true GB2408809A (en) 2005-06-08
GB2408809B 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 (en)
GB (1) GB2408809B (en)

Families Citing this family (9)

* 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
CN103048578A (en) 2006-11-24 2013-04-17 杰米那资产管理(6)有限公司 Power monitoring system
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 (en) 2009-03-16 2011-01-20 윌전기공업(주) Apparatus for measuring ground leakage current in non-grounded dc power line and detecting method therefor
WO2015018019A1 (en) * 2013-08-08 2015-02-12 优利德科技(中国)有限公司 Method and device for measuring impedance between live wire and earth wire of power supply
EP2878963A1 (en) * 2013-11-28 2015-06-03 Siemens Aktiengesellschaft Method for operating a circuit arrangement, comprising a switched mode power supply and a consumer
CN105021898B (en) * 2015-07-21 2017-10-24 西南交通大学 Converting a single-phase traction means monitoring the load loss of the transformer
GB2559120A (en) * 2017-01-20 2018-08-01 Seaward Electronics Ltd Method and apparatus for determining impedance of live-earth loop of an electrical power supply

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0881500B1 (en) * 1997-05-30 2003-01-29 CHAUVIN ARNOUX Société dite: Procedure for measuring the loop-impedance of an electric distribution network comprising a neutral conductor
DE19746200C2 (en) * 1997-10-18 2001-06-28 Beha C Gmbh Method for determining the loop resistance of a current supply network
GB2380554A (en) * 2001-10-02 2003-04-09 Robin Electronics Ltd Circuit Tester

Also Published As

Publication number Publication date Type
GB2408809A (en) 2005-06-08 application
JP4297774B2 (en) 2009-07-15 grant
GB2408809B (en) 2006-02-01 grant
JP2005164419A (en) 2005-06-23 application

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