CAJ | 학술논문

传统的街道站供电方案不论是室外小型-48 V开关电源还是220 V电源供电，都存在许多的弊端，给后期维护带来很大的压力。文中提出一种新的街道站后备电源保障方案，即采用室外280 V高压直流远供给街道站提供后备电源保障。
전통적가도참공전방안불론시실외소형-48 V개관전원환시220 V전원공전，도존재허다적폐단，급후기유호대래흔대적압력。문중제출일충신적가도참후비전원보장방안，즉채용실외280 V고압직류원공급가도참제공후비전원보장。
There are many disadvantages in the traditional power supply solution for street stations,no matter in terms of outdoor small-48 V switching mode power supply or 220 V.These disadvantages will brought great pressure to mainte-nance in the later period.This paper proposed a new back-up solution of power protection for street stations:to use out-door 280 V high-voltage DC remote as the back-up power for street stations.