直流配电系统技术分析及设计构想  

Technical Analysis and Design Concept of DC Distribution System

作　　者：王丹[1] 毛承雄[1] 陆继明[1] 陈迅[2] 曾杰[2] 张俊峰[2] 

机构地区：[1]华中科技大学电气与电子工程学院,湖北省武汉市430074 [2]广东电网公司电力科学研究院,广东省广州市510080

出　　处：《电力系统自动化》2013年第8期82-88,共7页Automation of Electric Power Systems

基　　金：国家自然科学基金资助项目(51277083;50807020);国家重点基础研究发展计划(973计划)资助项目(2009CB219702);教育部留学回国人员科研启动基金资助项目~~

摘　　要：提高运行效率、改善供电可靠性和电能质量、实现分布式电源有效安全接入等问题既是配电系统面临的挑战,也为配电技术发展提供了新的机遇。采用以直流为主导的配电方式对于解决上述问题将是一次有益的尝试。文中阐述了直流配电技术的研究现状,总结了直流配电系统的技术特点和潜在优势,分析了直流配电系统发展的若干关键技术及其可行性,并提出了一种基于电子电力变压器的多级直流配电系统构想。以配电网末端的家用配电为例,给出了一个具体的低压直流配电系统设计案例并进行了仿真验证。Nowadays,distribution systems are facing challenges such as： increasing operation efficiency,enhancing service reliability,improving power quality and safe-interconnecting distributed generations,which on the other hand,provide new developing opportunities for distributing technology.A direct current（DC） distribution system is proposed to try to resolve the issues.The basic principle and technology characteristics of DC distribution system are summarized and some of its key technologies and feasibility are analyzed.An electronic power transformer-based multi-level DC distribution system concept is proposed.As a case study,a concrete low voltage DC distribution system for residential application is designed in detailed and is demonstrated by simulation.

关 键 词：直流 配电系统 新能源 电子电力变压器 

分 类 号：TM72[电气工程—电力系统及自动化]