NO137466C - Omformer for likestroemsignaler. - Google Patents

Omformer for likestroemsignaler.

Info

Publication number
NO137466C
NO137466C NO752364A NO752364A NO137466C NO 137466 C NO137466 C NO 137466C NO 752364 A NO752364 A NO 752364A NO 752364 A NO752364 A NO 752364A NO 137466 C NO137466 C NO 137466C
Authority
NO
Norway
Prior art keywords
converter
power signals
signals
power
Prior art date
Application number
NO752364A
Other languages
English (en)
Norwegian (no)
Other versions
NO752364L (ja
NO137466B (no
Inventor
Kurt 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 NO752364L publication Critical patent/NO752364L/no
Publication of NO137466B publication Critical patent/NO137466B/no
Publication of NO137466C publication Critical patent/NO137466C/no

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)
  • Dc-Dc Converters (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Amplifiers (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
NO752364A 1974-09-04 1975-06-30 Omformer for likestroemsignaler. NO137466C (no)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NO752364L NO752364L (ja) 1976-03-05
NO137466B NO137466B (no) 1977-11-21
NO137466C true NO137466C (no) 1978-03-01

Family

ID=5924793

Family Applications (1)

Application Number Title Priority Date Filing Date
NO752364A NO137466C (no) 1974-09-04 1975-06-30 Omformer for likestroemsignaler.

Country Status (7)

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

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
GB1506607A (en) 1978-04-05
FR2284174A1 (fr) 1976-04-02
SE402179B (sv) 1978-06-19
DE2442223A1 (de) 1976-03-25
DE2442223B2 (de) 1976-07-08
NO752364L (ja) 1976-03-05
SE7509779L (sv) 1976-03-05
NL7508515A (nl) 1976-03-08
US4023100A (en) 1977-05-10
NO137466B (no) 1977-11-21
FR2284174B1 (ja) 1981-10-09
CH582412A5 (ja) 1976-11-30

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