低压直流配电系统在农村地区的应用研究  

Research on Application of Low Voltage DC Distribution System in Rural Areas

作　　者：刘永岗 严建海 韩肖清[3] 王金浩 杨光辉 张保 李惠斌 陈文波 LIU Yonggang;YAN Jianhai;HAN Xiaoqing;WANG Jinhao;YANG Guanghui;ZHANG Bao;LI Huibin;CHEN Wenbo(Shanxi Agricultural Ecological Environment Construction Station,Taiyuan 030000,China;Nanjing Golden Cooperate DC Power Distribution Technology Co.,Ltd.,Nanjing 211100,China;School of Electrical Engineering of Taiyuan University of Technology,Taiyuan 030000,China;Electric Power Research Institute of State Grid Shanxi Electric Power Company,Taiyuan 030000,China;Rural Energy And Environment Agency,Ministry of Agriculture and Rural Areas Affairs,Beijing 100125,China)

机构地区：[1]山西省农业生态环境建设总站,山西太原030000 [2]南京国臣直流配电科技有限公司,江苏南京211100 [3]太原理工大学电气工程学院,山西太原030000 [4]国网山西省电力公司电力科学研究院,山西太原030000 [5]农业农村部农业生态与资源保护总站,北京100125

出　　处：《供用电》2021年第1期17-24,共8页Distribution & Utilization

基　　金：山西省科技重大专项项目(20181102028)。

摘　　要：能源变革的大环境下,如何实现包括太阳能光伏资源在内的分布式清洁能源的高效利用逐渐成为热点问题。鉴于分布式发电大多具有直流属性,尝试在光伏丰富的农村地区,以低压直流配用电方式,实现新能源网络的构建。在对直流配电安全性、供电可靠性、经济性方面应用优势分析的基础上,就直流配电网实际运行中的网络拓扑、电压等级、核心电力电子装置等关键问题进行了研讨,提出了实用性强、可靠性高的农村低压直流配用电方案。根据低压直流配电系统的实际运行结果,低压直流配电系统具备一定的应用推广价值。Under the environment of energy revolution,how to realize the efficient utilization of distributed clean energy including solar photovoltaic resources has gradually become a hot issue.In view of the fact that most of the distributed generation has the DC property,low-voltage DC power distribution system is used to realize the construction of new energy network in rural areas rich in photovoltaic.Based on the analysis of the application advantages of DC distribution security,power supply reliability and economy,the network topology,voltage level,core power electronic devices and other key issues in the actual operation of DC distribution network are discussed and studied,and a practical and reliable rural low-voltage DC power distribution and utilization scheme is put forward.According to the actual operation results of the low-voltage DC distribution system,the low-voltage DC distribution system has a certain application value.

关 键 词：农村配电网 清洁能源 低压直流配电系统 拓扑 电压等级 

分 类 号：TM72[电气工程—电力系统及自动化]