【摘要】 在移相控制的串联谐振全桥软开关变换电路基础上 ,针对零电压开关全桥变换器 (FB ZVS PWM)的副边占空比损失和环流损耗问题进行了改进 ,即利用可饱和电感代替线性电感 ,进而提出了移相控制的零电压零电流开关全桥变换器 (FB ZVZCS PWM) ,并将改进电路与原电路进行对比分析和仿真实验 ,结果证明了FB ZVZCS PWM变换器无论是在开关性能和能量传输方面 ,还是在变换器的成本和效率方面 ,都具有明显的优越性。更多还原

【Abstract】 Based on the phase shift control series resonant full bridge converter,defects of the FB ZVS PWM converters are discussed in this paper .We use the saturated inductor to replace the linear inductor to solve the problems and put forward FB ZVZCS PWM converter.Throug making a comparison between simulations of these circuits,advantages of the circuit improved is apparent. The result make sure that the analysis are right.更多还原