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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Saggini, S. Ongaro, F. Galperti, C. Mattavelli, P. |
| Copyright Year | 2010 |
| Description | Author affiliation: DEI, Politecnico of Milano, Milano, Italy (Galperti, C.) || DTG- University of Padova, Vicenza, Italy (Mattavelli, P.) || DIEGM, University of Udine, Udine, Italy (Saggini, S.; Ongaro, F.) |
| Abstract | This paper investigates a power management architecture based on a hybrid accumulator system that utilizes the supercapacitor cell as storage element for energy harvesting applications. The supercapacitor guarantees a longer lifetime in terms of charge cycles, it presents itself as a “green” technology compared to batteries and it has a wide range of operating temperature. The drawbacks of this type of solution are the low energy density and the leakage current that reduce the performance for very low power applications. In this paper a photovoltaic scavenger based on the supercapacitors is investigated and it can work only with supercapacitors, or together with the lithium battery cell in order to obtain a good compromise in terms of energy density and lifetime. A dedicated power management strategy is also proposed. Experimental results with a 5W photovoltaic energy source are reported. |
| Starting Page | 2281 |
| Ending Page | 2287 |
| File Size | 1184144 |
| Page Count | 7 |
| File Format | |
| ISBN | 9781424447824 |
| ISSN | 10482334 |
| DOI | 10.1109/APEC.2010.5433554 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-02-21 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Energy storage Wireless sensor networks Supercapacitors Energy management Batteries Photovoltaic systems Solar power generation Power system management Temperature distribution Leakage current battery charger DC-DC converters power management wireless sensor network super-capacitors |
| Content Type | Text |
| Resource Type | Article |
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