New Page 2 关键词： 整流机组；直流额定电压；额定电流；变压器 [gap=456]Key words : Rectifier unit; DC rated voltage; Rated current; Transformer
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接触器辅助触头额定电压为交流380v，直流为220v。
Auxiliary contactors contact rated voltage of 380v ac, DC to 220v.
概述了在轨道交通系统中选用直流熔断器的目的及选用方法，包括额定电压、额定电流的选择，与断路器的配合工作。
The object of using DC fuse in tunnels and way of selection were expounded, including the selection of rated voltage and current, and the coordination of circuit breakers.
发电机额定电压指电机在额定工况下运行，其端子电压整流后并扣除连接线压降的直流输出电压。
Refers to the electrical generator rated voltage at rated operation conditions, the terminal voltage after the rectifier and the deduction of the DC link output voltage drop.
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