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采用ucc28950芯片驱动移向全桥整流电路，输入电压390V，输出电压400V，6A，现在用pspice仿真输出电压只有三、四十伏，变压器参数改了好多次还是不行，都纠结好几天了。以下是pspice仿真文件，在TI模型的基础上修改的。
输出我改成了倍流整流，ucc28950如果不按照它数据手册上的设计问题会很多吗？？
