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Pregled bibliografske jedinice broj: 984305

Časopis

Autori: Barić, T.; Glavaš, H.; Barukčić, M.
Naslov: Impact of balance resistor uncertainty on voltages across supercapacitors
Izvornik: Journal of Energy Storage (2352-152X) 22 (2019); 131-136
Vrsta rada: članak
Ključne riječi: Balancing ; Electric double layer capacitor ; Supercapacitor ; Ultracapacitor ; Uncertainty ; Voltage balancing ; Voltage distribution
Sažetak:
In some applications, due to a relative low operating voltage of a supercapacitor cell, it is necessary to connect it in series to achieve a required operating voltage. However, due to the variation of supercapacitor parameters, there is a voltage imbalance across the supercapacitors connected in series, hence they should be balanced (equalized) by means of an appropriate technique. For this purpose, several active and passive balancing techniques are used. In this paper, the technique of passive voltage balancing using resistors is described. The phenomenon and the physical cause of voltage imbalance on supercapacitor (SC) cells are explained in detail. The paper gives a mathematical model that accurately describes voltage balancing using resistors. An uncertainty analysis was introduced to describe the expected voltage variation of supercapacitors before and after passive voltage balancing using resistors. All relevant expressions which determine the expected voltage variation before and after implementation of voltage balancing are derived. The derived expressions allow determination of voltage variance and uncertainty on SCs in the most unfavorable case of voltage imbalance. Based on the presented theory and derived expressions, the guidelines in the implementation of passive techniques for voltage balancing using resistors are given.
Izvorni jezik: ENG
Rad je indeksiran u
bazama podataka:
Scopus
Emerging Sources Citation Index (ESCI) (sastavni dio Web of Science Core Collectiona)
Kategorija: Znanstveni
Znanstvena područja:
Elektrotehnika
URL Internet adrese: https://www.sciencedirect.com/science/article/pii/S2352152X18306303/pdfft?md5=988d3c3b923515e26f4956a36708c463&pid=1-s2.0-S2352152X18306303-main.pdf
Broj citata:
Altmetric:
DOI: 10.1016/j.est.2019.02.005
URL cjelovitog teksta:
Časopis izlazi u samo elektroničkom izdanju: NE
Google Scholar: Impact of balance resistor uncertainty on voltages across supercapacitors
Upisao u CROSBI: Marinko Barukčić (marinko.barukcic@etfos.hr), 12. Vel. 2019. u 09:35 sati



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