基于双PWM 变换器的永磁直驱风电系统控制策略研究.pdf

文档介绍：29 4 Vol. 29
第卷第期机电工程
2012 4 Journal of Mechanical & Electrical Engineering Apr. 2012
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基于双PWM变换器的永磁直驱风电系统
控制策略研究
池伟 1 ,石庆均 2 ,陈宏伟 2 ,马智泉 1
1. 310014 2. 310027
( 浙江省电力试验研究院,浙江杭州; 浙江大学电气工程学院,浙江杭州)
PWM
摘要:针对基于双变换器的永磁直驱风电系统的控制问题,对该风电系统电机侧变换器、电网侧变换器的控制策略进行了详
Matlab/Simulink
细的分析,提出了一种桨距角控制策略,并基于对永磁直驱风电系统进行了仿真。仿真结果表明,永磁直驱风电系
统能够在不同风速下稳定运行,在额定风速以下可实现风能的最大功率跟踪,在额定风速以上通过桨距角控制能将风机系统的功率
输出限制在额定值附近。研究结果验证了所提出的桨距控制策略的可行性。
PWM
关键词:双变换器;永磁同步发电机;永磁直驱风电系统;桨距角控制;仿真
TM315 TH39 A 1001-4551 2012 04-0434-05
中图分类号: ; 文献标志码: 文章编号: ( )
Control strategy study of direct-driven wind-power system with PMSG
based on back-to-back PWM converter
CHI Wei SHI Qing-jun CHEN Hong-wei MA Zhi-quan
1, 2, 2, 1
1. Zhejiang Electric Power Test and Research Institute Hangzhou 310014 China
( , , ;
2. College of Electrical Engineering Zhejiang University Hangzhou 310027 China
, , , )
Aiming at the control of direct-driven wind-power system with permanent synchronous generators PMSG based on
Abstract: ( )
back-to-back PWM converter the control strategies of generator-side converter and grid-side converter were analyzed in detail and a
, ,
control strategy of pitch angle was presented. A simulation for direct-driven wind-power system with PMSG using Matlab/Simulink was
implemented. The simulation results show