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In this paper, average modeling of a dual-supercapacitor bank, actively balanced by a bidirectional buck-boost converter is presented. In such a system, natural balancing is achieved when the converter is operated in open loop with 50% duty cycle, eliminating the need for measuring the voltage of each storage device. Nevertheless, excessive currents arise even for slight voltage misbalance because...
In this paper, analytical investigation of an actively balanced open-loop operated supercapacitor bank is presented. Supercapacitor unit is utilized for 28V auxiliary power unit diesel engine starting, allowing relieving the battery from multiple starting stresses. Dynamical equations of the system based on a synchronous bidirectional buck-boost converter are developed by splitting the solution into...
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