NL7508515A - Transformator voor gelijkstroomsignalen. - Google Patents

Transformator voor gelijkstroomsignalen.

Info

Publication number
NL7508515A
NL7508515A NL7508515A NL7508515A NL7508515A NL 7508515 A NL7508515 A NL 7508515A NL 7508515 A NL7508515 A NL 7508515A NL 7508515 A NL7508515 A NL 7508515A NL 7508515 A NL7508515 A NL 7508515A
Authority
NL
Netherlands
Prior art keywords
transformer
current signals
signals
current
Prior art date
Application number
NL7508515A
Other languages
English (en)
Dutch (nl)
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 NL7508515A publication Critical patent/NL7508515A/xx

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)
NL7508515A 1974-09-04 1975-07-16 Transformator voor gelijkstroomsignalen. NL7508515A (nl)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL7508515A true NL7508515A (nl) 1976-03-08

Family

ID=5924793

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7508515A NL7508515A (nl) 1974-09-04 1975-07-16 Transformator voor gelijkstroomsignalen.

Country Status (7)

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

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 (xx) 1981-10-09
SE402179B (sv) 1978-06-19
DE2442223B2 (de) 1976-07-08
SE7509779L (sv) 1976-03-05
NO137466C (no) 1978-03-01
NO752364L (xx) 1976-03-05
CH582412A5 (xx) 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

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Legal Events

Date Code Title Description
BV The patent application has lapsed