ZA772584B - Current measuring apparatus - Google Patents

Current measuring apparatus

Info

Publication number
ZA772584B
ZA772584B ZA00772584A ZA772584A ZA772584B ZA 772584 B ZA772584 B ZA 772584B ZA 00772584 A ZA00772584 A ZA 00772584A ZA 772584 A ZA772584 A ZA 772584A ZA 772584 B ZA772584 B ZA 772584B
Authority
ZA
South Africa
Prior art keywords
measuring apparatus
current measuring
current
measuring
Prior art date
Application number
ZA00772584A
Other languages
English (en)
Inventor
J Houldsworth
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of ZA772584B publication Critical patent/ZA772584B/xx

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/20Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
    • G01R15/202Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices using Hall-effect devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Measuring Magnetic Variables (AREA)
ZA00772584A 1976-05-10 1977-04-29 Current measuring apparatus ZA772584B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB19111/76A GB1488775A (en) 1976-05-10 1976-05-10 Current measuring apparatus

Publications (1)

Publication Number Publication Date
ZA772584B true ZA772584B (en) 1978-12-27

Family

ID=10123961

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00772584A ZA772584B (en) 1976-05-10 1977-04-29 Current measuring apparatus

Country Status (10)

Country Link
US (1) US4160950A (xx)
JP (1) JPS52137383A (xx)
CA (1) CA1070765A (xx)
DE (1) DE2719703A1 (xx)
DK (1) DK199177A (xx)
FR (1) FR2351416A1 (xx)
GB (1) GB1488775A (xx)
IT (1) IT1079002B (xx)
SE (1) SE7705276L (xx)
ZA (1) ZA772584B (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3130277A1 (de) * 1981-07-31 1983-02-17 Vacuumschmelze Gmbh, 6450 Hanau Magnetkern aus weichmagnetischem material fuer einen stromsensor mit einem magnetfeldabhaengigen halbleiterelement zur erfassung von gleich- und wechselstroemen
US4525669A (en) * 1982-12-20 1985-06-25 Sangamo Weston, Inc. Power measurement in an electrical distribution system having three or more wires
US4717872A (en) * 1985-01-28 1988-01-05 Watt Watcher Inc. Device for monitoring consumption of electrical power
GB8800845D0 (en) * 1988-01-14 1988-02-17 Yorkshire Water Authority Galvanic isolator
US6429639B1 (en) * 1997-01-21 2002-08-06 International Rectifier Corporation Combined filter inductor and hall current sensor
KR100448311B1 (ko) * 2002-04-11 2004-09-16 이규대 전류 측정 장치
US7043380B2 (en) 2003-09-16 2006-05-09 Rodenberg Iii Ernest Adolph Programmable electricity consumption monitoring system and method
US7459900B2 (en) * 2006-02-03 2008-12-02 Bae Systems Land & Armaments L.P. Modular current sensor for modularized servo control system
US7847536B2 (en) * 2006-08-31 2010-12-07 Itron, Inc. Hall sensor with temperature drift control

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE373058C (de) * 1923-04-07 Siemens & Halske Akt Ges Messeinrichtung zur Feststellung der in verschiedenen Richtungen verlaufenden Anteile eines Wechselstromes
US851149A (en) * 1904-11-21 1907-04-23 Gen Electric Leakage-indicator for high-tension lines.
US1257514A (en) * 1915-08-23 1918-02-26 William Meyer Electrical measuring instrument.
FR682187A (fr) * 1928-09-26 1930-05-23 Siemens Ag Procédé de commande de dispositifs électriques de connexion, de mesure ou d'indication
DE1014646B (de) * 1954-11-10 1957-08-29 Siemens Ag Vorrichtung zur Messung der Erdunsymmetriearbeit in Drehstromnetzen
FR1270405A (fr) * 1960-10-17 1961-08-25 Brown Dispositif pour le prélèvement d'un courant alternatif à tension constante sur unconducteur parcouru par un courant

Also Published As

Publication number Publication date
DE2719703A1 (de) 1977-11-24
JPS52137383A (en) 1977-11-16
US4160950A (en) 1979-07-10
GB1488775A (en) 1977-10-12
IT1079002B (it) 1985-05-08
FR2351416A1 (fr) 1977-12-09
SE7705276L (sv) 1977-11-11
DK199177A (da) 1977-11-11
CA1070765A (en) 1980-01-29

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