CRH6型动车组牵引变流器输入电流为 、输出电流为 ( )
A.三相AC1500,V857A,50Hz;单相AC2300V,424A,0-220Hz
B.单相AC1500V,857A,50Hz;三相AC2300,V424A,0-220Hz
C.三相AC2300,V424A,0-220Hz;单相AC1500V,857A,50Hz
D.单相AC2300V,424A,0-220Hz;单相AC1500V,857A,50Hz
正确答案是B