FI951071A - Mittalaite keskijännitelinjan ilmajohtimissa kulkevan virran mittaamiseksi - Google Patents

Mittalaite keskijännitelinjan ilmajohtimissa kulkevan virran mittaamiseksi Download PDF

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Publication number
FI951071A
FI951071A FI951071A FI951071A FI951071A FI 951071 A FI951071 A FI 951071A FI 951071 A FI951071 A FI 951071A FI 951071 A FI951071 A FI 951071A FI 951071 A FI951071 A FI 951071A
Authority
FI
Finland
Prior art keywords
measuring device
wires
current
voltage lines
medium voltage
Prior art date
Application number
FI951071A
Other languages
English (en)
Swedish (sv)
Other versions
FI951071A0 (fi
FI100828B (fi
Inventor
Timo Jaemiae
Original Assignee
Powex Oy
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 Powex Oy filed Critical Powex Oy
Priority to FI951071A priority Critical patent/FI100828B/fi
Publication of FI951071A0 publication Critical patent/FI951071A0/fi
Priority to PCT/FI1996/000138 priority patent/WO1996027802A2/en
Priority to AU48335/96A priority patent/AU4833596A/en
Publication of FI951071A publication Critical patent/FI951071A/fi
Application granted granted Critical
Publication of FI100828B publication Critical patent/FI100828B/fi

Links

Classifications

    • 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
    • G01R15/181—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using coils without a magnetic core, e.g. Rogowski coils

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
FI951071A 1995-03-08 1995-03-08 Mittalaite keskijännitelinjan ilmajohtimissa kulkevan virran mittaamis eksi FI100828B (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI951071A FI100828B (fi) 1995-03-08 1995-03-08 Mittalaite keskijännitelinjan ilmajohtimissa kulkevan virran mittaamis eksi
PCT/FI1996/000138 WO1996027802A2 (en) 1995-03-08 1996-03-07 Measuring device for measuring a current flowing in the overhead wires of a medium-voltage line
AU48335/96A AU4833596A (en) 1995-03-08 1996-03-07 Measuring device for measuring a current flowing in the overhead wires of a medium-voltage line

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI951071A FI100828B (fi) 1995-03-08 1995-03-08 Mittalaite keskijännitelinjan ilmajohtimissa kulkevan virran mittaamis eksi
FI951071 1995-03-08

Publications (3)

Publication Number Publication Date
FI951071A0 FI951071A0 (fi) 1995-03-08
FI951071A true FI951071A (fi) 1996-09-09
FI100828B FI100828B (fi) 1998-02-27

Family

ID=8543000

Family Applications (1)

Application Number Title Priority Date Filing Date
FI951071A FI100828B (fi) 1995-03-08 1995-03-08 Mittalaite keskijännitelinjan ilmajohtimissa kulkevan virran mittaamis eksi

Country Status (3)

Country Link
AU (1) AU4833596A (fi)
FI (1) FI100828B (fi)
WO (1) WO1996027802A2 (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100593120C (zh) * 2004-06-29 2010-03-03 Ssi动力有限公司 电力监视和响应系统
SI24793B (sl) * 2014-09-24 2024-04-30 E-Senzor D.O.O. Senzor za brezžično detekcijo prekinitve vodnikov v trifaznem nadzemnem elektroenergetskem vodu ter metoda v zvezi s tem
JP2020038113A (ja) * 2018-09-04 2020-03-12 日置電機株式会社 電流測定装置および電流測定方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3312898A (en) * 1963-02-28 1967-04-04 Westinghouse Electric Corp Polyphase current measuring device using several signal detectors each positioned to respond to only one phase current magnetic field
US3745452A (en) * 1971-02-23 1973-07-10 J Osburn Magnetic field gradient apparatus and method for detecting pipe line corrosion
US4220913A (en) * 1978-05-23 1980-09-02 Electrolocation Limited Apparatus for and methods of electromagnetic surveying of elongated underground conductors
US4370610A (en) * 1978-08-30 1983-01-25 Bicc Public Limited Company Locating sheath faults in underground power supply cables
GB2057147B (en) * 1979-08-18 1983-11-23 Geodate Ltd Detecting faults in buried cables
US4390836A (en) * 1980-08-11 1983-06-28 Marathon Oil Company Method and apparatus for the detection of pipeline holidays
DE3128061A1 (de) * 1981-07-16 1983-02-03 Howaldtswerke-Deutsche Werft Ag Hamburg Und Kiel, 2300 Kiel Verfahren zur fehlerortung an elektrischen leitern
FI863487A (fi) * 1986-08-27 1988-02-28 Matti Viikari Pao elektromagnetisk induktion baserande foerfarande och anordning foer kontroll av skicktet av elektrisk isolering hos ledningar i ett ledande medium.
WO1992017789A1 (de) * 1991-03-28 1992-10-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur messung von magnetfeldern und strömen
GB9313333D0 (en) * 1993-06-29 1993-08-11 Chesilvale Electronics Ltd Detecting cable faults

Also Published As

Publication number Publication date
FI951071A0 (fi) 1995-03-08
AU4833596A (en) 1996-09-23
WO1996027802A2 (en) 1996-09-12
WO1996027802A3 (en) 1996-10-10
FI100828B (fi) 1998-02-27

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Owner name: POWEX OY