DK0848395T3 - Strömmålertransformer forsynet med en strömdeler - Google Patents

Strömmålertransformer forsynet med en strömdeler

Info

Publication number
DK0848395T3
DK0848395T3 DK97660137T DK97660137T DK0848395T3 DK 0848395 T3 DK0848395 T3 DK 0848395T3 DK 97660137 T DK97660137 T DK 97660137T DK 97660137 T DK97660137 T DK 97660137T DK 0848395 T3 DK0848395 T3 DK 0848395T3
Authority
DK
Denmark
Prior art keywords
current
meter transformer
divider
transformer
transformer provided
Prior art date
Application number
DK97660137T
Other languages
English (en)
Inventor
Olavi Hirsimaeki
Ville Pietikaeinen
Tuomo Korkolainen
Teuvo Lahti
Original Assignee
Enermet 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 Enermet Oy filed Critical Enermet Oy
Application granted granted Critical
Publication of DK0848395T3 publication Critical patent/DK0848395T3/da

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase AC
    • H01F38/28—Current transformers
    • H01F38/30—Constructions
    • 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
    • G01R15/146—Measuring arrangements for current not covered by other subgroups of G01R15/14, e.g. using current dividers, shunts, or measuring a voltage drop
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
    • G01R1/203—Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
DK97660137T 1996-12-11 1997-12-02 Strömmålertransformer forsynet med en strömdeler DK0848395T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI964948A FI104520B (fi) 1996-12-11 1996-12-11 Virtajakajalla varustettu virtamittamuuntaja

Publications (1)

Publication Number Publication Date
DK0848395T3 true DK0848395T3 (da) 2004-08-16

Family

ID=8547246

Family Applications (1)

Application Number Title Priority Date Filing Date
DK97660137T DK0848395T3 (da) 1996-12-11 1997-12-02 Strömmålertransformer forsynet med en strömdeler

Country Status (6)

Country Link
EP (1) EP0848395B1 (da)
AT (1) ATE261181T1 (da)
DE (1) DE69727896T2 (da)
DK (1) DK0848395T3 (da)
FI (1) FI104520B (da)
NZ (1) NZ329349A (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009033126B4 (de) * 2009-07-15 2011-05-05 Emh Metering Gmbh & Co. Kg Stromwandler für einen elektronischen Elektrizitätszähler
JP5778541B2 (ja) 2011-09-30 2015-09-16 株式会社サンコーシヤ サージ防護デバイス、及びサージ防護デバイスの管理システム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH658929A5 (de) * 1982-10-28 1986-12-15 Landis & Gyr Ag Stromteiler fuer messwandler.
CH660537A5 (de) * 1983-03-02 1987-04-30 Landis & Gyr Ag Messwandler zum messen eines stromes.
US5400006A (en) * 1993-04-23 1995-03-21 Schlumberger Industries Current transformer with plural part core
US5451865A (en) * 1994-02-25 1995-09-19 General Electric Company Method and apparatus for sensing an input current with a bridge circuit
DE19535551C2 (de) * 1995-09-25 1997-10-02 Siemens Ag Stromwandleranordnung mit einem Shunt

Also Published As

Publication number Publication date
FI104520B (fi) 2000-02-15
FI964948L (fi) 1998-06-12
EP0848395A3 (en) 1998-07-08
NZ329349A (en) 1998-05-27
EP0848395B1 (en) 2004-03-03
FI964948A0 (fi) 1996-12-11
DE69727896D1 (de) 2004-04-08
ATE261181T1 (de) 2004-03-15
EP0848395A2 (en) 1998-06-17
DE69727896T2 (de) 2004-07-29

Similar Documents

Publication Publication Date Title
GB2252208B (en) Hybrid integrated circuit planar transformer
EP0516130A3 (en) Circuit for measuring battery current
DE69304999D1 (de) Rogowskispule
DE69318088D1 (de) Messanordnung mit Rogowski-Spule
DE69402122D1 (de) Mehrpegelionenstrommessschaltung
AU6651094A (en) Current measurement transducer based on magnetic flux density measurement
DK288588A (da) Maaletransformator til maaling af den i en elektriskleder loebende stroem
FI921384A7 (fi) Kompensaatioperiaatteella toimiva magneettisydän virranilmaisinta varten
EP0758153A3 (de) Schalteinrichtung zur Stromlosschaltung eines Transformators
DE69320749D1 (de) Strommessschaltung
KR920008363U (ko) 동상모드코일 부착 발룬 변성기
DK0848395T3 (da) Strömmålertransformer forsynet med en strömdeler
FI910009A0 (fi) Stroem-spaenningsomvandlare foer elektroniska hushaollselmaetare.
EP0497219A3 (en) Integrated magnetic power converter core
DE69407513D1 (de) Magnetischer Toner
PL301031A1 (en) Wide-band magnetic current measuring transformer
IT1282614B1 (it) Trasformatori elettrici con nuclei magnetici ausiliari interposti tra il primario ed il secondario
KR950008364U (ko) 트랜스용 훼라이트코어의 중심축부에 형성되는 간극연마장치
GB9407767D0 (en) An electric field measuring circuit
SE9704677D0 (sv) En transformator alternativt en induktor, omfattande en kärna magnetiserad med likström och med växelström och den elektriska kretsen omfattande den slutna magnetkretsen
SE9704678D0 (sv) En transformator alternativt en induktor, omfattande en kärna magnetiserad med likström och med växelström och den elektriska kretsen omfattande den slutna magnetkretsen
SE9703063D0 (sv) En sluten magnetkrets, en transformator alternativt en induktor omfattande en kärna magnetiserad med likström och med växelström och den elektriska kretsen omfattande den slutna magnetkretsen
DE59802251D1 (de) Ringkern-stromwandler mit integriertem messshunt
BR9302035A (pt) Transformador ótico de corrente e medidor incorporando o mesmo
ATE91566T1 (de) Stromwandleranordnung mit erhoehter genauigkeit.