Utility-interactive three-phase soft-switching pulse width modulated converter with active resonant snubbers in bridge leg sides for energy storage devices
H. Yamamoto, E. Hiraki, Y. Konishi, K. Nishida, T. Horiuchi, Y. Sugawara, M. Nakaoka
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引用次数: 4
Abstract
In this paper, a prototype of a multi-functional controlled three-phase voltage-source bidirectional zero voltage soft-switching PWM converter with three auxiliary active resonant commutated snubber link (ARCS) is presented for battery and/or electric double layer capacitor energy storage system (BESS). The operating principle of this active resonant snubber-assisted soft-switching converter circuit for BESS and multi-functional digital control-based converter system including active rectifier and inverter operation modes are described. Operation characteristics of this bidirectional three phase soft-switching space voltage vector modulated converter with ARCS for BESS is demonstrated under the conditions of battery discharging-based peak-cut mode and battery charging-based energy storage mode in with conventional utility three phase hard-switching converter for BESS. The effectiveness of the converter system is proved on the basis of simulation analysis.