客运专线通信电源系统的设计

Design of Communication Power Supply System for Passenger Dedicated Lines

客运专线与普速铁路相比,增加了GSM-R、数据网、会议电视、综合视频监控等通信子系统,除需要-48V基础直流电源外,还需要220V交流基础电源,详细总结交直流电源设备的选型及设计方法。

Comparing with conventional railways, passenger dedicated lines （DPLs） need to add communication subsystems such as GSM-R, data network, conference TV and integrated video monitoring, and they also need 220V AC power supplies besides -48V DC power supplies. The paper sums up the methods of type selection and design of AC/DC power supply equipment.