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FR2351416A1 - Appareil pour engendrer un signal destine au reglage de moteurs electriques - Google Patents

Appareil pour engendrer un signal destine au reglage de moteurs electriques

Info

Publication number
FR2351416A1
FR2351416A1 FR7714212A FR7714212A FR2351416A1 FR 2351416 A1 FR2351416 A1 FR 2351416A1 FR 7714212 A FR7714212 A FR 7714212A FR 7714212 A FR7714212 A FR 7714212A FR 2351416 A1 FR2351416 A1 FR 2351416A1
Authority
FR
France
Prior art keywords
adjustment
generating
signal
electric motors
motors
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.)
Withdrawn
Application number
FR7714212A
Other languages
English (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2351416A1 publication Critical patent/FR2351416A1/fr
Withdrawn legal-status Critical Current

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
    • G01R15/20—Adaptations 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
    • G01R15/202—Adaptations 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)
  • Measuring Magnetic Variables (AREA)
  • Transformers For Measuring Instruments (AREA)
FR7714212A 1976-05-10 1977-05-10 Appareil pour engendrer un signal destine au reglage de moteurs electriques Withdrawn FR2351416A1 (fr)

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
FR2351416A1 true FR2351416A1 (fr) 1977-12-09

Family

ID=10123961

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7714212A Withdrawn FR2351416A1 (fr) 1976-05-10 1977-05-10 Appareil pour engendrer un signal destine au reglage de moteurs electriques

Country Status (10)

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

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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1257514A (en) * 1915-08-23 1918-02-26 William Meyer Electrical measuring instrument.
DE373058C (de) * 1923-04-07 Siemens & Halske Akt Ges Messeinrichtung zur Feststellung der in verschiedenen Richtungen verlaufenden Anteile eines Wechselstromes
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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US851149A (en) * 1904-11-21 1907-04-23 Gen Electric Leakage-indicator for high-tension lines.

Patent Citations (5)

* 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
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
IT1079002B (it) 1985-05-08
JPS52137383A (en) 1977-11-16
SE7705276L (sv) 1977-11-11
DE2719703A1 (de) 1977-11-24
DK199177A (da) 1977-11-11
GB1488775A (en) 1977-10-12
US4160950A (en) 1979-07-10
ZA772584B (en) 1978-12-27
CA1070765A (fr) 1980-01-29

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Legal Events

Date Code Title Description
ST Notification of lapse