基于matlab系统的hvdc系统设计_大学生毕业设计论文说明书.docVIP

湘潭大学 毕业设计说明书 题 目： 基于Matlab系统的HVDC系统设计 院 系： 信息工程学院 专 业： 建筑设施智能技术 学 号： 2011550223 姓 名: 李 伟 指导教师:罗 培 完成日期: 基于Matlab系统的HVDC系统设计 摘要 高压直流输电（HVDC）技术在过去的几十年中取得了巨大的成就。直流输电技术的广泛应用和飞速发展得益于其具有高技术含量以及适应性。该技术的出现和发展使得电力技术领域得以更进一步。直流输电技术随着新材料的开发，可再生能源以及新能源的广泛利用，电子科技，计算机技术的进步，电力工业也会在将来有进一步的发展。 本文中介绍了高压直流输电（HVDC）技术，然后对该技术系统的基本元件和结构进行了分析，对系统的运行特性进行了总结和分析，并介绍了其历史背景，发展过程，以及国内和国外的应用现状。在本文中，重点讨论了以电压源换流器为基础的高压直流输电（VSC-HVDC）技术，也就是柔性直流输电，并主要从其结构、特性、现状，以及其工作原理和现状进行分析。本文着重对VSC-HVDC系统的原理以及基本架构进行分析，并利用Matlab仿真建立该系统的模型，最后，分析仿真结果，以验证VSC-HVDC系统的合理性和通用性，。 关键字：高压直流输电 柔性直流输电 电压源换流器 Matlab仿真 The design of HVDC system based on Matlab system Abstract HVDC technology has made great achievements in the past few decades. Since 1882, the use of the HVDC power transmission, especially in twentieth Century, the rapid development of high power switching devices, to promote the rapid development of the new HVDC transmission, the HVDC is extended to the distribution network and the development of new energy sources such as wider areas. DC transmission technology is wide, high technology content, strong comprehensive technology, it not only promoted the development of power electronic technology, and with the development of computer technology, power electronic devices, the emergence of new materials, new energy development and utilization of renewable energy, will play a more important role for the development of electric power industry. This paper first introduces the HVDC technology development history and current situation at home and abroad, analyzes the basic structure and components of HVDC system, and summarizes the operation characteristics of the HVDC system. Discusses the HVDC, HVDC is based on voltage source converter (VSC-HVDC). This paper analyzes the basic structure and its working principle, and establishes the simulation model of VSC-HVDC system using Matlab software, through the analysis of simulation results, verify the HVDC system applicability and rationality. Keyword：HVDC