双馈型风力发电机组电气模型的建立与仿真研究  

Building and Simulation Research on the Electrical Model of DFIG

作　　者：郑大周 曾东 李广磊 陆瑞 ZHENG Dazhou;ZENG Dong;LI Guanglei;LU Rui(Dongfang Electric Wind Power Co.,Ltd.,Deyang 618000 China;State Grid Shandong Electric Power Company Electric Power Research Institute,Jinan 250003 China)

机构地区：[1]东方电气风电有限公司,德阳618000 [2]国网山东省电力公司电力科学研究院,济南250003

出　　处：《电气工程学报》2019年第3期81-89,共9页Journal of Electrical Engineering

基　　金：四川省重点研发计划资助项目(2018GZ0012)

摘　　要：文章给出了双馈型风力发电机组的电气模型原理图,介绍了机组传动链、发电机、变流器及控制系统的工作原理,并建立相应的数学模型和Simulink仿真模型;对风电机组的低电压穿越解决方案进行了说明,建立低电压穿越故障仿真模型。针对机组的故障行为进行了仿真分析,对故障优化策略进行了试验验证。本研究对建立准确的机组仿真模型具有重要的指导意义,为下一步进行风场并网稳定性研究奠定了基础。The composition of the DFIG model is given,the principles of the drive-train,generator,converter and the control system are introduced,and the mathematical and Simulink models are built.The LVRT technology of wind turbine is introduced and previewed;the fault model of the grid is built.The fault behavior of the DFIG is simulated and analyzed,and the fault optimization strategy is tested and verified.This research is useful for the simulation of wind turbine and makes a good preparation for the stability analysis on the wind farm.

关 键 词：风力发电机组 电气模型 数学模型 仿真 

分 类 号：TK81[动力工程及工程热物理—流体机械及工程]