低压直流配电技术分析及存在的问题  

Low-Voltage Direct Current Distribution System Analysis and Existing Technical Issue

作　　者：林立功[1] 牟聿强[1] 高永乐[1] 陈雪梅[1] 

机构地区：[1]天津电气传动设计研究所,天津300180

出　　处：《电工电气》2010年第3期33-37,共5页Electrotechnics Electric

摘　　要：随着电力电子技术的成熟与发展,电力电子器件不断应用于电力输电系统。低压直流配电技术成为电力系统配电网络一个新的课题。对低压直流配电的特点及其核心技术换流器进行理论分析,并依据分析结果提出了低压直流配电存在的技术问题。分析表明直流配电可以提高电能传输能力,降低传输损耗,同时还有一些技术方面的问题有待解决。With the maturation and development of power electronic technology, power electronic components are able to be applied to the low-voltage network. A low-voltage direct current （LVDC） distribution system is a new subject in the field of power system distribution network. This paper presented the basic principles to use power electronics devices in electricity distribution systems, and the theory of key part of the LVDC-AC/DC converter was analyzed. Challenges and disadvantages of LVDC were presented. The analysis shows that LVDC could improve the power transmission ability and reduce the power transmission loss, and at the same time there are some technical issues to be solved.

关 键 词：低压直流配电 电力系统配电网 传输损耗 

分 类 号：TM721.1[电气工程—电力系统及自动化]