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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Azzoni, D. Teppan, W. Carpita, M. |
| Copyright Year | 2009 |
| Description | Author affiliation: LEM SA, Chemin des Aulx, 8, CH-1228 Plan-les-Ouates, Switzerland (Azzoni, D.; Teppan, W.) || HES-SO ¿ University of Applied Sciences of Western Switzerland, route des Cheseaux, 1; CH-1436 Yverdon-Les-Bains; Switzerland (Carpita, M.) |
| Abstract | One of the difficulties concerning battery monitoring applications is the current measurement. Typically the measurement range (DC) can vary from 10 mA up to 1000 A. Today's available current transducers are not well adapted to work with good accuracy in this very large domain. In this paper a new measurement principle based on a technology of type “fluxgate” [1] is presented, which allows reaching a wide measurement range while guaranteeing an excellent accuracy. The key idea is to use the magnetic field created by the primary (battery) current acting on a saturable inductor. By measuring the intervals to reach inductor saturation and the load current and making use of a suitable microcontroller it is possible to accurately evaluate the value of the primary current for both high and low current levels. |
| Starting Page | 1 |
| Ending Page | 10 |
| File Size | 519097 |
| Page Count | 10 |
| File Format | |
| ISBN | 9781424444328 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-09-08 |
| Publisher Place | Spain |
| Access Restriction | Subscribed |
| Subject Keyword | Coils Transducers transducer Current transformers Battery management systems (BMS) Transformer cores Battery charge measurement Circuit faults Couplings Magnetic field measurement component for measurements Current measurement Monitoring Energy storage |
| Content Type | Text |
| Resource Type | Article |
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