The research on the whole power supply falls into three - phase bridge rectification and ps zvs pwm dc / dc full - bridge converter . the paper gives the model of three - phase bridge rectification and ps zvs pwm dc / dc full - bridge converter . the resonant component of ps zvs fb converter is conformed by theoretic - analyzing and simulation 在對整流電路和移相控制zvspwmdc dc全橋變換器進行了大量研究后,給出了整個電源系統(tǒng)的仿真模型和仿真結果,試驗結果證明本文設計的電源滿足充電性能要求。