柔性直流输电技术在风力发电系统中的应用

摘要

首先阐述了风力发电的基本知识与相关技术特点，介绍了柔性直流技术（VSC-HVDC）在一些风电场输电工程中的应用以及我国的研究现状，此项技术解决了目前风力发电场在进行远距离大功率电能输送方面的问题。通过分析以电压源换流器（VSC）为基础的新型直流输电技术的特点和基本原理，说明此技术是目前较为理想的风力发电与电网连接的输电方式。最后，利用Matlab/Simulink仿真软件对柔性直流技术（VSC-HVDC)建立仿真模型，仿真结果结果说明，此技术可以很好地解决风电场目前存在的大功率远距离输电问题。%Expounds the basic knowledge of wind power generation and related technical characteristics, and intro-duces the VSC-HVDC application in electric energy transportation of wind farms and the research status in our country. The technology solves the current problem of long-distance high-power electric energy transportation of wind farms. Through the analysis of the VSC-based HVDC features and basic principle, indicates that the technology is currently ideal transmis-sion way of wind generation and grid connection. The simulation on VSC-HCDC by Matlab/Simulink software shows that it well solves the current problem of remote electric energy transmission of power farms.