A device , such as a diode , that converts alternating current to direct current 整流器;整流管一种将交流电流转化为直流电流的装置,如二极管
Converter stations transform alternating current to direct current for transmission and back to ac again for distribution to consumers 换流站将交流电转换成直流电传输,然后又转换回交流电用于分配到用户。