中国电机工程学报2016，Vol.36Issue(17)：4672-4684,13.DOI:10.13334/j.0258-8013.pcsee.151986
一种可快速去磁复位变压器的新型辅助谐振变换极逆变器
A Novel Auxiliary Resonant Commutated Pole Inverter for Fast Demagnetizing and Resetting Transformer
摘要
Abstract
A novel auxiliary resonant commutated pole inverter in which auxiliary circuit could demagnetize and reset transformer rapidly was proposed to improve the demagnetizing and resetting speed of the transformer in ARCPI circuit. It avoided the saturation of the transformer that was caused by the accumulation of residual flux. Two transformers were arranged in each resonant pole to complete the commutation between the upper bridge legs and the lower bridge legs of the inverter. The transformer could obtain a reverse voltage that was about equal to the dc power voltage after the resonance, which made the magnetizing current decay rapidly. The demagnetizing and resetting of the transformer could be finished before the next commutation. The operation process was analyzed in detail on the basis of equivalent circuits at different operation modes. The conditions for realization of soft-switching and the mathematical model for auxiliary resonant circuit loss were presented. The influence of resonant parameters on the loss of auxiliary circuit was discussed. A 3kW one-phase laboratory prototype had been built. The experiment results verified that the switching devices of this APCPI could realize soft-switching and the novel ARCPI presented can effectively reduce switching loss and improve efficiency.关键词
磁化电流/逆变器/谐振/零电流开关/零电压开关Key words
magnetizing current/inverter/resonant/zero-current switching/zero-voltage switching分类
信息技术与安全科学引用本文复制引用
王强,唐朝垠,王天施,刘晓琴..一种可快速去磁复位变压器的新型辅助谐振变换极逆变器[J].中国电机工程学报,2016,36(17):4672-4684,13.基金项目
国家自然科学基金项目(51207069)。Project Supported by National Natural Science Foundation of China (51207069) （51207069）
