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直驱永磁风力发电系统仿真与优化控制
引用本文:管维亚,吴峰,鞠平.直驱永磁风力发电系统仿真与优化控制[J].继电器,2014,42(9):54-60.
作者姓名:管维亚  吴峰  鞠平
作者单位:河海大学能源与电气学院,江苏 南京 211100;河海大学能源与电气学院,江苏 南京 211100;河海大学能源与电气学院,江苏 南京 211100
基金项目:国家自然科学基金资助项目(51190102);国家自然科学基金重点项目(51137002)
摘    要:分析了直驱永磁风力发电系统的基本原理及各模块的控制策略,在Matlab/Simulink中搭建风电系统及其控制器的仿真模型,仿真验证了模型的正确性。在发电机精确模型的基础上,忽略发电机定子暂态得到实用模型,并对两种模型的适用性进行讨论。仿真分析表明:当分析发电机本身的动态问题时,可采用精确模型;当进行并网计算时,实用模型和精确模型均可以准确描述。最后利用粒子群算法对直驱永磁风力发电系统中的控制器参数进行优化,提高了系统的动态特性,实验结果验证了该直驱永磁风力发电系统控制器参数优化方法的有效性和可行性。

关 键 词:风力发电  永磁同步发电机  控制器  模型比较  参数优化
收稿时间:8/5/2013 12:00:00 AM
修稿时间:9/5/2013 12:00:00 AM

Simulation and optimized control of direct-drive permanent magnet wind power system
GUAN Wei-y,WU Feng and JU Ping.Simulation and optimized control of direct-drive permanent magnet wind power system[J].Relay,2014,42(9):54-60.
Authors:GUAN Wei-y  WU Feng and JU Ping
Affiliation:College of Energy and Electrical Engineering, Hohai University, Nanjing 211100, China;College of Energy and Electrical Engineering, Hohai University, Nanjing 211100, China;College of Energy and Electrical Engineering, Hohai University, Nanjing 211100, China
Abstract:This paper analyzes basic principle and control strategy of direct-drive permanent magnet wind power generation (PMSG) system and builds the simulation model in Matlab/Simulink. The model is proved to be correct by simulation results. This paper also compares accurate generator model and the utility generator model which stator transient is neglected and discusses the applicability of the two models. Simulation results show that the accurate generator model is available to analyze dynamic problem of generator; both accurate generator model and utility generator model can accurately describe grid-connected problems. Finally, the parameters of controllers of direct-drive (PMSG) system is optimally designed by using particle swarm optimization, which improves the system dynamic characteristics. Simulation results indicate the feasibility and the effectiveness of this optimization method.
Keywords:wind power generation  permanent magnet synchronous generator (PMSG)  controller  model comparison  parameter optimization
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