4[2]Zhu J,Ding D.Zero-voltage-and zero current switched PWM DC-DC converters using active snubber[J].IEEE Transactions on Industry Applications,1999,35(6):1406-1412.
5[5]LM3478 Data Sheet.NS公司[Z].2003.
6Cho J G,Sabate J A,Lee F C.Novel Full Bridge Zero-voltagetransition PWM DC/DC Converter for High Power Applications[A].APEC'94 Conference Proceedings,Ninth Annual IEEE[C].1994,(1):143-149.