Abstract
This paper presents the development of a supercapacitor energy storage system (ESS) aimed to minimize weight, which is very important for aerospace applications, whilst integrating smart functionalities like voltage monitoring, equalization, and overvoltage protection for the cells. The methodology for selecting the supercapacitor cells type/size is detailed to achieve the safest and most energy-dense ESS. Additionally, the development of the interface electronics for cells’ voltage monitoring and overvoltage protection is presented. The proposed design implements a modular distributed architecture coordinated using communication buses to minimize the wirings and associated complexity and to enable system reconfiguration and expansions, as well as fault diagnoses. Validating the proposed ESS functionalities has been done via experimental testing and the results are presented and discussed.
Highlights
The second option is to keep generators sizing based on the average power consumption whilst implementing an energy storage system (ESS), that should be sized to smooth these high power peaks, i.e., to supply the high dynamic transient loads such that these become invisible for the generators
Smoothing of the power demand surges seen by generators lead to reduced power cables size following the average power consumption rather than its peak power/current requirement, which results in further reduction of electric power system (EPS) weight
Distributed ESSs where distributed energy tion of the SC-based ESS for aircraft EPS and its corresponding benefits; most of storage units are localized at each load, and do not require high energy capacity but the research is focused on studying the energy management strategies [6,11,12,13] rather than need significant power capability to cover the short-term peak power demands; studying theuse design for the including associated managein these, the of SCoptimization is more adequate
Summary
ESS where a central energy storage unit significant power capability to cover the short-term peak power demands; in supplies theoftargeted loads, and [10]. Distributed ESSs where distributed energy tion of the SC-based ESS for aircraft EPS and its corresponding benefits; most of storage units are localized at each load, and do not require high energy capacity but the research is focused on studying the energy management strategies [6,11,12,13] rather than need significant power capability to cover the short-term peak power demands; studying theuse design for the SC-ESS including associated managein these, the of SCoptimization is more adequate [10].
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