绿色铁路背景下区间用电负荷直流配电设计探讨

On the Design of DC Power Distribution forSectional Electricity Load in the Context of Green Railway

本文分析了铁路区间用电负荷的构成及其对直流配电的适应性,通过研究直流配电系统基本拓扑结构、母线接线型式、电压等级对供电能力和人身安全的影响,结合直流配电电缆耐压等级的选择与直流配电接地型式,对铁路区间用电负荷直流配电设计进行分析和探讨,提出了适用于铁路区间用电负荷直流配电设计的技术方案。

This paper analyzes the composition of electrical loads in railway sections and the adaptability of direct current(DC)power distribution.By investigating the fundamental topological structures of DC distribution systems,busbar connection types,the impact of voltage levels on power supply capacity and personal safety,the selection of voltage withstand levels for DC distribution cables,and DC grounding configurations,the paper delves into the design of DC power distribution for electrical loads in railway sections.Furthermore,a technical solution tailored for the DC power distribution of electrical loads in railway sections is proposed.