CH593493A5 - - Google Patents
Info
- Publication number
- CH593493A5 CH593493A5 CH1638875A CH1638875A CH593493A5 CH 593493 A5 CH593493 A5 CH 593493A5 CH 1638875 A CH1638875 A CH 1638875A CH 1638875 A CH1638875 A CH 1638875A CH 593493 A5 CH593493 A5 CH 593493A5
- Authority
- CH
- Switzerland
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
- G01R17/20—AC or DC potentiometric measuring arrangements
- G01R17/22—AC or DC potentiometric measuring arrangements with indication of measured value by calibrated null indicator
-
- 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
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1638875A CH593493A5 (sv) | 1975-12-17 | 1975-12-17 | |
DE19762601252 DE2601252A1 (de) | 1975-12-17 | 1976-01-15 | Verfahren zur messung von gleichstroemen mit galvanischer trennung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1638875A CH593493A5 (sv) | 1975-12-17 | 1975-12-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH593493A5 true CH593493A5 (sv) | 1977-12-15 |
Family
ID=4416931
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1638875A CH593493A5 (sv) | 1975-12-17 | 1975-12-17 |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH593493A5 (sv) |
DE (1) | DE2601252A1 (sv) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3039679A1 (de) * | 1980-09-26 | 1982-04-08 | LGZ Landis & Gyr Zug AG, 6301 Zug | Messwandler zum potentialfreien messen eines stromes |
WO1984002581A1 (en) * | 1982-12-21 | 1984-07-05 | Ericsson Telefon Ab L M | Method of measuring a dc curent or a low-frequency ac current |
DE29714612U1 (de) * | 1996-08-19 | 1997-10-23 | Siemens AG, 80333 München | Strom-Meßeinrichtung |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2827601C2 (de) * | 1978-06-23 | 1980-06-12 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig, 8510 Fuerth | Verfahren zur kontaktlosen Messung von Gleich- und Wechselströmen |
DE3040316C2 (de) * | 1980-10-25 | 1983-11-10 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig & Co KG, 8510 Fürth | Verfahren und Vorrichtung zur kontaktlosen Messung von Gleich- und Wechselströmen, insbesondere von Strom-Augenblickswerten |
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 |
DE3705450A1 (de) * | 1987-02-20 | 1988-09-01 | Vacuumschmelze Gmbh | Stromwandler zur messung von rechteckstroemen nach dem kompensationsprinzip |
DE3905060A1 (de) * | 1989-02-18 | 1990-08-23 | Diehl Gmbh & Co | Einrichtung zum beruehrungslosen messen eines gleichstroms |
DE4021832A1 (de) * | 1990-07-09 | 1992-01-16 | Peter Dipl Ing Westerfeld | Kompensationsstromwandler in magnetischer brueckenschaltung |
DE9113081U1 (de) * | 1991-10-21 | 1991-12-12 | Siemens AG, 8000 München | Stromsensor mit integrierter Hallschaltung |
DE4230939C2 (de) * | 1992-09-16 | 1995-04-06 | Heidelberger Druckmasch Ag | Schaltungsanordnung zum Ändern oder Prüfen elektrischer Eigenschaften eines Stromwandlers mit Magnetfeldkompensation |
DE19537354B4 (de) * | 1995-10-06 | 2004-03-18 | Siemens Ag | Verfahren und Vorrichtung zur Bestimmung eines Stromwertes eines digital geregelten Leistungsteils |
DE19642472A1 (de) * | 1996-10-15 | 1998-04-16 | Abb Research Ltd | Flußkompensierter Stromsensor |
DE19845778B4 (de) * | 1998-09-22 | 2004-04-29 | Siemens Ag | Verfahren zur Abbildung von Gleichströmen und Gleichstromwandler zur Durchführung des Verfahrens |
DE10145415A1 (de) * | 2001-09-14 | 2003-04-03 | Aloys Wobben | Messwandler, insbesondere für einen Wechselrichter einer Windenergieanlage |
-
1975
- 1975-12-17 CH CH1638875A patent/CH593493A5/xx not_active IP Right Cessation
-
1976
- 1976-01-15 DE DE19762601252 patent/DE2601252A1/de active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3039679A1 (de) * | 1980-09-26 | 1982-04-08 | LGZ Landis & Gyr Zug AG, 6301 Zug | Messwandler zum potentialfreien messen eines stromes |
WO1984002581A1 (en) * | 1982-12-21 | 1984-07-05 | Ericsson Telefon Ab L M | Method of measuring a dc curent or a low-frequency ac current |
DE29714612U1 (de) * | 1996-08-19 | 1997-10-23 | Siemens AG, 80333 München | Strom-Meßeinrichtung |
Also Published As
Publication number | Publication date |
---|---|
DE2601252A1 (de) | 1977-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |