| 兆瓦级直驱式永磁同步风力发电控制系统研究 |
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| 引用本文： | 王仲勋,沈锦飞.兆瓦级直驱式永磁同步风力发电控制系统研究[J].现代电子技术,2011,34(4):201-203,207. |
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| 作者姓名： | 王仲勋 沈锦飞 |
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| 作者单位： | 江南大学,江苏,无锡,214122 |
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| 摘 要： | 永磁直驱风力发电系统与双馈交流励磁风力发电系统相比较,具有结构简单、发电效率及运行可靠性高等优点。采用＂不控整流＋升压斩波＋PWM逆变＂的变流技术,推导了发电机转速变化和DC/DC环节上功率开关器件占空比变化之间的关系,研究了利用占空比调节来进行最大功率点跟踪的新方法。该系统可实现最大风能跟踪控制以及变速恒频发电运行,并对系统进行了仿真和实验,实验结果证明了系统的可行性和正确性。
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| 关 键 词： | 永磁直驱 风力发电 最大功率点跟踪 PWM逆变 |
Control System of Permanent Magnet Synchronous Wind Power Generator with MW-level and Direct-driven |
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| WANG Zhong-xun,SHEN Jin-fei.Control System of Permanent Magnet Synchronous Wind Power Generator with MW-level and Direct-driven[J].Modern Electronic Technique,2011,34(4):201-203,207. |
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| Authors: | WANG Zhong-xun SHEN Jin-fei |
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| Affiliation: | WANG Zhong-xun,SHEN Jin-fei(Jiangnan University,Wuxi 214122,China) |
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| Abstract: | Compared with the double-feed AC excited wind-power generation system,the direct-driven permanent magnet synchronous wind-power generation system possesses such features as simple structure,high generation efficiency and good operation reliability.The uncontrollable rectifier + boost chopper + PWM converter are adopted in conversion system.The relationship between duty cycle variation of power switch elements in a DC/DC link and variation of generator speed is analyzed.A new method for adjusting the duty cy... |
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| Keywords: | permanent magnet direct-driven wind power generation maximum power point tracking PWM converter |
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