DK293674A - - Google Patents

Info

Publication number
DK293674A
DK293674A DK293674*A DK293674A DK293674A DK 293674 A DK293674 A DK 293674A DK 293674 A DK293674 A DK 293674A DK 293674 A DK293674 A DK 293674A
Authority
DK
Denmark
Application number
DK293674*A
Other languages
Danish (da)
Inventor
R Stark
M Schwendtner
G Steinmyller
Original Assignee
Siemens Ag
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
Priority claimed from DE19732328587 external-priority patent/DE2328587A1/de
Priority claimed from DE19732330048 external-priority patent/DE2330048A1/de
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of DK293674A publication Critical patent/DK293674A/da

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/42—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
    • H01F27/422—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Transformers For Measuring Instruments (AREA)
DK293674*A 1973-06-05 1974-05-31 DK293674A (xx)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19732328587 DE2328587A1 (de) 1973-06-05 1973-06-05 Anordnung zur messung elektrischer wechselstromgroessen mit hilfe eines elektronischen messgeraetes
DE19732330048 DE2330048A1 (de) 1973-06-13 1973-06-13 Anordnung zur erfassung des laststromes fuer elektronische kwh-zaehler

Publications (1)

Publication Number Publication Date
DK293674A true DK293674A (xx) 1975-01-20

Family

ID=25765255

Family Applications (1)

Application Number Title Priority Date Filing Date
DK293674*A DK293674A (xx) 1973-06-05 1974-05-31

Country Status (8)

Country Link
US (1) US3916310A (xx)
JP (1) JPS5027922A (xx)
DK (1) DK293674A (xx)
ES (1) ES426959A1 (xx)
FR (1) FR2232761B1 (xx)
IT (1) IT1014728B (xx)
NL (1) NL7407374A (xx)
SE (1) SE397221B (xx)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5421925B2 (xx) * 1974-07-12 1979-08-03
DE2625354C3 (de) * 1976-06-04 1981-06-04 Siemens AG, 1000 Berlin und 8000 München Übertrager für Gleich- und Wechselstromsignale mit einem ferromagnetischen Kern, der mindestens zwei voneinander unabhängige Magnetflüsse zuläßt
DE2641581C3 (de) * 1976-09-13 1985-05-09 Siemens AG, 1000 Berlin und 8000 München Spannungsmeßeinrichtung für Hochspannungen
JPS5342411A (en) * 1976-09-28 1978-04-17 Raito Kougiyou Kk Driving method of pipe body
US4182982A (en) * 1978-07-11 1980-01-08 Westinghouse Electric Corp. Current sensing transducer for power line current measurements
FR2437627A1 (fr) * 1978-09-29 1980-04-25 Kostal Fa Leopold Montage electrique de controle d'appareil
GB2045952B (en) * 1979-03-15 1983-01-12 Tokyo Shibaura Electric Co Current transforming circuits
US4243931A (en) * 1979-03-28 1981-01-06 Rosemount Inc. Current isolator
JPS5740696U (xx) * 1980-08-19 1982-03-04
DE3140544A1 (de) * 1981-10-13 1983-04-21 Richard Dr.-Ing. 3300 Braunschweig Friedl Aktiver stromsensor mit primaerer reduzierwicklung
DE3318749C2 (de) * 1983-05-24 1985-03-28 Richard Dr.-Ing. 3300 Braunschweig Friedl Aktiver Stromwandler
CH661814A5 (de) * 1983-06-01 1987-08-14 Landis & Gyr Ag Messspannungswandler hoher genauigkeit.
DE3323905A1 (de) * 1983-07-02 1985-01-10 ANT Nachrichtentechnik GmbH, 7150 Backnang Schaltungsanordnung zum erfassen eines stromes in stromversorgungsgeraeten
US4761605A (en) * 1986-12-22 1988-08-02 General Electric Company Input switching in electronic watthour meter
US4887028A (en) * 1987-09-21 1989-12-12 Landis & Gyr Metering, Inc. Watthour meter with isolation transformers having a feedback loop
FR2624617B1 (fr) * 1987-12-11 1990-05-11 Europ Agence Spatiale Appareil de mesure de courants electriques a couplage magnetique
FR2690993A1 (fr) * 1992-05-06 1993-11-12 Europ Agence Spatiale Détecteur d'intensité de courant unidirectionnel à isolement galvanique, dispositif de mesure d'intensité, convertisseur de courant continu-continu et radar mettant en Óoeuvre un tel détecteur.
DE19649304A1 (de) * 1996-11-28 1998-06-04 Alsthom Cge Alcatel Schaltanordnung zur potentialgetrennten Spannungs- und/oder Strommessung
DE10311441B4 (de) * 2003-03-15 2005-03-10 Emh Elek Zitaetszaehler Gmbh & Elektronischer Elektrizitätszähler
CN100403037C (zh) * 2004-12-02 2008-07-16 华为技术有限公司 测量交流电的方法和装置
US20080024265A1 (en) * 2006-07-11 2008-01-31 Jones Richard K Wrist-wearable electrical detection device
US7622910B2 (en) * 2006-10-06 2009-11-24 Honeywell International Inc. Method and apparatus for AC integrated current sensor
EP2378295B1 (en) 2010-04-14 2012-07-11 ABB Technology AG Method and arrangement for voltage measurement

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2428613A (en) * 1943-10-18 1947-10-07 Gen Electric Transformer
US2889519A (en) * 1958-04-23 1959-06-02 Montgomery George Franklin Clamp-type current transducer

Also Published As

Publication number Publication date
SE397221B (sv) 1977-10-24
JPS5027922A (xx) 1975-03-22
ES426959A1 (es) 1976-09-01
SE7407020L (xx) 1974-12-06
FR2232761A1 (xx) 1975-01-03
NL7407374A (xx) 1974-12-09
IT1014728B (it) 1977-04-30
FR2232761B1 (xx) 1979-05-25
US3916310A (en) 1975-10-28

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