NL7108311A - - Google Patents
Info
- Publication number
- NL7108311A NL7108311A NL7108311A NL7108311A NL7108311A NL 7108311 A NL7108311 A NL 7108311A NL 7108311 A NL7108311 A NL 7108311A NL 7108311 A NL7108311 A NL 7108311A NL 7108311 A NL7108311 A NL 7108311A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7108311A NL7108311A (en:Method) | 1971-06-17 | 1971-06-17 | |
| FR7221682A FR2141987B3 (en:Method) | 1971-06-17 | 1972-06-12 | |
| CH894272A CH544944A (de) | 1971-06-17 | 1972-06-13 | Verfahren und Vorrichtung zur Messung eines Gleichstromes mit einer linearen Stromumwandlung in einem Gleichstrommesswandler |
| US00262199A US3818337A (en) | 1971-06-17 | 1972-06-13 | METHOD OF AND APPARATUS FOR IMPROVING THE LINEARITY OF THE CURREnT TRANSFORMATION OF A DC MEASURING TRANSDUCTOR |
| DE2228867A DE2228867C3 (de) | 1971-06-17 | 1972-06-14 | Gleichstrommeßwandler (Prinzip Krämer) mit Kompensation des primären Gleichflusses in einem magnetisierbaren Kern mittels eines sekundären HaIbwellenwechselstromes |
| BE784973A BE784973A (nl) | 1971-06-17 | 1972-06-16 | Werkwijze en inrichting voor het verbeteren van de lineariteit van de stroomtransformatie van een gelijkstroommeettransductor |
| GB2863072A GB1381531A (en) | 1971-06-17 | 1972-06-19 | Method of and apparatus for improving the linearity of the current transformation of a dc measuring transductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7108311A NL7108311A (en:Method) | 1971-06-17 | 1971-06-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7108311A true NL7108311A (en:Method) | 1972-12-19 |
Family
ID=19813409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7108311A NL7108311A (en:Method) | 1971-06-17 | 1971-06-17 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3818337A (en:Method) |
| BE (1) | BE784973A (en:Method) |
| CH (1) | CH544944A (en:Method) |
| DE (1) | DE2228867C3 (en:Method) |
| FR (1) | FR2141987B3 (en:Method) |
| GB (1) | GB1381531A (en:Method) |
| NL (1) | NL7108311A (en:Method) |
Families Citing this family (14)
| 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 |
| US4454553A (en) * | 1980-08-29 | 1984-06-12 | Aisin Seiki Company, Limited | D.C. Current detector |
| JPS5772069A (en) * | 1980-08-29 | 1982-05-06 | Aisin Seiki Co Ltd | Dc current detector |
| DE3102244C2 (de) * | 1981-01-17 | 1985-01-03 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Einrichtung zum potentialfreien Energietransport |
| DE3208137A1 (de) * | 1982-03-06 | 1983-09-08 | Teldix Gmbh, 6900 Heidelberg | Magnetsonde |
| US4529931A (en) * | 1983-04-07 | 1985-07-16 | Ford Motor Company | Single-coil current measuring circuit |
| US4899103A (en) * | 1987-07-16 | 1990-02-06 | Brooktree Corporation | Current meter |
| DE19618114A1 (de) * | 1996-05-06 | 1997-11-13 | Vacuumschmelze Gmbh | Stromkompensierter Stromsensor |
| EP0960342B1 (de) | 1997-02-14 | 2003-01-22 | Vacuumschmelze GmbH | Stromsensor mit selbstschwingender generatorschaltung |
| DE10000116A1 (de) * | 2000-01-04 | 2001-07-26 | Epcos Ag | Sensor zur Messung eines Gleichstroms und Messverfahren |
| US6452398B1 (en) * | 2000-11-08 | 2002-09-17 | Joel Libove | Method and apparatus for measuring D.C. and A.C. voltages using non-contacting sensors |
| ITBG20040026A1 (it) * | 2004-06-21 | 2004-09-21 | Abb Service Srl | Dispositivo e metodo per il rilevamento di correnti continue e/o alternate. |
| DE102012009243B3 (de) * | 2012-05-09 | 2013-09-19 | Digalog Gmbh | Anordnung und Verfahren zur berührungslosen Strommessung |
| US9472945B2 (en) * | 2013-12-18 | 2016-10-18 | Eaton Corporation | Electrical switching apparatus including alternating current electronic trip circuit with arc fault detection circuit |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3649912A (en) * | 1968-04-10 | 1972-03-14 | Tokyo Shibaura Electric Co | Direct current transformer employing magnetoresistance diodes for use in current measurement |
| US3708749A (en) * | 1971-03-18 | 1973-01-02 | Tektronix Inc | Current transformer |
| US3699442A (en) * | 1971-05-25 | 1972-10-17 | Westinghouse Electric Corp | Bi-directional signal detector with input/output isolation |
-
1971
- 1971-06-17 NL NL7108311A patent/NL7108311A/xx unknown
-
1972
- 1972-06-12 FR FR7221682A patent/FR2141987B3/fr not_active Expired
- 1972-06-13 CH CH894272A patent/CH544944A/de not_active IP Right Cessation
- 1972-06-13 US US00262199A patent/US3818337A/en not_active Expired - Lifetime
- 1972-06-14 DE DE2228867A patent/DE2228867C3/de not_active Expired
- 1972-06-16 BE BE784973A patent/BE784973A/nl unknown
- 1972-06-19 GB GB2863072A patent/GB1381531A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2228867B2 (de) | 1979-04-05 |
| DE2228867C3 (de) | 1979-11-29 |
| GB1381531A (en) | 1975-01-22 |
| CH544944A (de) | 1973-11-30 |
| US3818337A (en) | 1974-06-18 |
| BE784973A (nl) | 1972-10-16 |
| FR2141987A1 (en:Method) | 1973-01-26 |
| FR2141987B3 (en:Method) | 1975-08-08 |
| DE2228867A1 (de) | 1972-12-28 |