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

作　　者：杨剑[1] 甘楠 YANG Jian;GAN Nan(China Railway Siyuan Survey and Design Group Co.,Ltd.,Wuhan 430063,China;Fujian Branch of China Resources New Energy Investment Co.,Ltd.,Fuzhou 350009,China)

机构地区：[1]中铁第四勘察设计院集团有限公司,武汉430063 [2]华润新能源投资有限公司福建分公司,福州350009

出　　处：《高速铁路技术》2024年第5期35-41,共7页High Speed Railway Technology

摘　　要：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.

关 键 词：绿色铁路 直流配电 母线接线型式 电压等级 接地型式 

分 类 号：U2[交通运输工程—道路与铁道工程] TM721[电气工程—电力系统及自动化]