多端柔性直流输电的发展现状及研究展望  

Current Development and Research Prospect of VSC- MTDC

作　　者：吴博[1] 李慧敏[1] 别睿[1] 邱慧敏[1] 秦立斌[1] 钱峰[2] 

机构地区：[1]武汉大学电气工程学院,湖北武汉430072 [2]广东省电力调度中心,广东广州510000

出　　处：《现代电力》2015年第2期9-15,共7页Modern Electric Power

摘　　要：随着能源战略结构的不断调整和完善,多端柔性直流输电逐渐成为解决新能源并网的重要技术手段。文中针对多端柔性直流输电技术及其国内外工程实例进行了详细介绍。结合可再生能源并网以及海岛供电等需求,对VSC-MTDC在风光电等新能源接入、孤立海岛和钻井平台的供电、大电网的非同步联网以及大型城市供配电等领域的应用前景进行了展望。并从拓扑结构、控制保护策略、数学模型与仿真分析、运行特性等理论方面分析了VSCMTDC的研究现状,提出了各方面进一步研究的建议。With the development and improvement of energy strategies,VSC-MTDC has become an important technology to address issues in renewable power integration.In this paper,VSC-MTDC technology and corresponding application cases are presented in details.Based on analysis of demands in renewable power integration and island power supply,the application prospects of VSC-MTDC,such as renewable power integration,power supply of island and drilling platform,nonsynchronous connecting of bulk grid,and power supply and distribution of large city,are provided.The research progress of VSC-MTDC is analysized in terms of topology,control strategy,mathematic model and simulation analysis as well as operation characteristic,and proposals are further proposed respectively.

关 键 词：多端柔性直流输电 拓扑结构 控制策略 仿真建模 运行特性 

分 类 号：TM721.1[电气工程—电力系统及自动化]