Study on electric pitch control of induction motor with redundancy design
Study on electric pitch control of induction motor with redundancy design
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发表时间：
2010-12
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通讯作者：
Kang Qing;Xiao Xi;Wu Guorong
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作者：
Kang Qing;Xiao Xi;Wu Guorong
提出了一种变桨距风力涡轮机的变桨距控制策略。在分析电动变桨工作原理和伺服控制系统控制策略的基础上，设计了由感应电机及其伺服驱动控制器组成的电动变桨控制系统。提出了一种新的备用电源管理和冗余控制方法。实验结果验证了所提出的控制策略的有效性。
This paper presents a strategy of pitch control for a variable speed pitch-controlled wind turbine. Based on the analysis on the operating principle of electric pitch and the control strategy of servo control system, an electric pitch servomotor control system composed of an induction motor and its servo-drive controller is designed. A novel method of backup power supply management and redundant control is proposed in this strategy. Experimental results are presented to verify the effectiveness of the proposed control strategy.