SE402179B - Omvandlande anordning for likstromssignaler - Google Patents

Omvandlande anordning for likstromssignaler

Info

Publication number
SE402179B
SE402179B SE7509779A SE7509779A SE402179B SE 402179 B SE402179 B SE 402179B SE 7509779 A SE7509779 A SE 7509779A SE 7509779 A SE7509779 A SE 7509779A SE 402179 B SE402179 B SE 402179B
Authority
SE
Sweden
Prior art keywords
converting device
direction signals
signals
converting
Prior art date
Application number
SE7509779A
Other languages
English (en)
Other versions
SE7509779L (sv
Inventor
K Smutny
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 DE19742442223 external-priority patent/DE2442223C3/de
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of SE7509779L publication Critical patent/SE7509779L/sv
Publication of SE402179B publication Critical patent/SE402179B/sv

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
    • H01F38/40—Instruments transformers for dc
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Dc-Dc Converters (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Amplifiers (AREA)
SE7509779A 1974-09-04 1975-09-03 Omvandlande anordning for likstromssignaler SE402179B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742442223 DE2442223C3 (de) 1974-09-04 Wandler für Gleichstromsignale

Publications (2)

Publication Number Publication Date
SE7509779L SE7509779L (sv) 1976-03-05
SE402179B true SE402179B (sv) 1978-06-19

Family

ID=5924793

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7509779A SE402179B (sv) 1974-09-04 1975-09-03 Omvandlande anordning for likstromssignaler

Country Status (7)

Country Link
US (1) US4023100A (sv)
CH (1) CH582412A5 (sv)
FR (1) FR2284174A1 (sv)
GB (1) GB1506607A (sv)
NL (1) NL7508515A (sv)
NO (1) NO137466C (sv)
SE (1) SE402179B (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5015945A (en) * 1990-06-25 1991-05-14 General Electric Company Current sensor for measuring current in a semiconductor switch
DE19927029A1 (de) * 1999-06-04 2001-02-08 Siemens Ag Verfahren zum Betrieb eines elektronischen Überstromauslösers eines Leistungsschalters
SK500132014A3 (en) * 2014-02-11 2016-03-01 Ladislav Grno The sensor and method for electric current measuring

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3051939A (en) * 1957-05-08 1962-08-28 Daystrom Inc Analog-to-digital converter
US3768011A (en) * 1970-06-09 1973-10-23 W Swain Means for measuring magnitude and direction of a direct current or permanent magnet, including clip-on direct current sensing inductor
US3812428A (en) * 1971-03-15 1974-05-21 Licentia Gmbh Method of and apparatus for the measuring of direct current
DE2300802A1 (de) * 1973-01-09 1974-07-11 Philips Patentverwaltung Schaltungsanordnung zur potentialfreien strommessung
US3855528A (en) * 1973-04-06 1974-12-17 Lorain Prod Corp D-c current measuring circuit

Also Published As

Publication number Publication date
FR2284174B1 (sv) 1981-10-09
DE2442223B2 (de) 1976-07-08
SE7509779L (sv) 1976-03-05
NO137466C (no) 1978-03-01
NO752364L (sv) 1976-03-05
CH582412A5 (sv) 1976-11-30
NO137466B (no) 1977-11-21
DE2442223A1 (de) 1976-03-25
FR2284174A1 (fr) 1976-04-02
GB1506607A (en) 1978-04-05
US4023100A (en) 1977-05-10
NL7508515A (nl) 1976-03-08

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