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An incremental delta-sigma modulator with a self-making capacitor having a high voltage operating ability for a 12-cell battery pack is proposed in this paper. The measured voltage range for each battery is from 0 to 5 V, and the maximum input voltage reaches to 60 V. The self-making capacitor adopting a metal over poly silicon with a relatively thin layer of oxide between the two plates is generated...
This paper presents a multifunctional interface circuit for the battery-ultracapacitor hybrid energy storage system (HESS). Both the voltage equalization of the battery banks and energy exchanging between two kinds of energy source will be realized, by using the appropriate control strategy. Thus the reliable work and the health of the battery bank can be maintained, and the ultracapacitor (UC) can...
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