JPS471644A - - Google Patents

Info

Publication number
JPS471644A
JPS471644A JP4532671A JP4532671A JPS471644A JP S471644 A JPS471644 A JP S471644A JP 4532671 A JP4532671 A JP 4532671A JP 4532671 A JP4532671 A JP 4532671A JP S471644 A JPS471644 A JP S471644A
Authority
JP
Japan
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.)
Pending
Application number
JP4532671A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS471644A publication Critical patent/JPS471644A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/081—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current and depending on the direction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/14—Indicating direction of current; Indicating polarity of voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/18—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers
    • G01R19/20—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers using transductors, i.e. a magnetic core transducer the saturation of which is cyclically reversed by an AC source on the secondary side
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/087—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for DC applications

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
JP4532671A 1970-06-24 1971-06-24 Pending JPS471644A (en])

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4931070A 1970-06-24 1970-06-24

Publications (1)

Publication Number Publication Date
JPS471644A true JPS471644A (en]) 1972-01-27

Family

ID=21959147

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4532671A Pending JPS471644A (en]) 1970-06-24 1971-06-24

Country Status (5)

Country Link
US (1) US3634875A (en])
JP (1) JPS471644A (en])
CA (1) CA929600A (en])
DE (1) DE2130154C3 (en])
FR (1) FR2096459B1 (en])

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53155303U (en]) * 1977-05-12 1978-12-06
JPS5772069A (en) * 1980-08-29 1982-05-06 Aisin Seiki Co Ltd Dc current detector
US5523677A (en) * 1993-10-12 1996-06-04 Sumitomo Special Metals Co., Ltd. DC current sensor
JP2008091438A (ja) * 2006-09-29 2008-04-17 Sumida Corporation コイル部品及びコイル部品を用いた電子回路

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2134287B1 (en]) * 1971-04-30 1974-03-08 Schlumberger Compteurs
US3699442A (en) * 1971-05-25 1972-10-17 Westinghouse Electric Corp Bi-directional signal detector with input/output isolation
US3882387A (en) * 1973-03-23 1975-05-06 Gen Motors Corp Electrical current detector
DE2602534A1 (de) * 1976-01-23 1977-07-28 Siemens Ag Fehlerstrom-schutzschalter
US4353029A (en) * 1978-02-13 1982-10-05 Ade Corporation Self inverting gauging system
FR2458165A1 (fr) * 1979-05-31 1980-12-26 Merlin Gerin Dispositif de protection contre les defauts de mise a la terre d'une alimentation a convertisseur statique
US4914383A (en) * 1985-10-10 1990-04-03 Wilkerson A W Non-contact ammeter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2994840A (en) * 1958-01-24 1961-08-01 North American Aviation Inc Magnetic pulse width modulator
US3490042A (en) * 1966-12-19 1970-01-13 Gen Electric Direct current measuring reactance arrangement
US3396338A (en) * 1967-10-02 1968-08-06 Gen Systems Inc Instrument-type transformers for unidirectional current circuits

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53155303U (en]) * 1977-05-12 1978-12-06
JPS5772069A (en) * 1980-08-29 1982-05-06 Aisin Seiki Co Ltd Dc current detector
US5523677A (en) * 1993-10-12 1996-06-04 Sumitomo Special Metals Co., Ltd. DC current sensor
EP0647853B1 (en) * 1993-10-12 2005-09-28 Neomax Co., Ltd. DC current sensor
JP2008091438A (ja) * 2006-09-29 2008-04-17 Sumida Corporation コイル部品及びコイル部品を用いた電子回路

Also Published As

Publication number Publication date
DE2130154A1 (de) 1971-12-30
US3634875A (en) 1972-01-11
FR2096459B1 (en]) 1976-03-19
DE2130154B2 (de) 1973-12-20
DE2130154C3 (de) 1974-07-18
CA929600A (en) 1973-07-03
FR2096459A1 (en]) 1972-02-18

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