辅助电路损耗低的并联谐振直流环节逆变器
Acta Electronica Sinica(2022)
Abstract
为使逆变器工作在高效率状态,本文设计了辅助电路损耗低的并联谐振直流环节逆变器,仅在直流环节电压上升的过程中,触发位于直流环节的辅助电路的谐振;在直流环节电压下降过程中和负载电流瞬时值较低时,辅助电路不发生谐振,这有利于实现辅助电路的低功耗.说明了电路的工作流程.实验波形显示出开关器件取得了软切换.因此,该电路结构有利于优化逆变器效率.
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