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Cutting-in control strategy of double-fed wind generator
Author(s): 
Pages: 11-14,18
Year: Issue:  10
Journal: RELAY

Keyword:  模糊控制变结构控制矢量控制双馈风力发电机;
Abstract: 采用传统的PI控制、模糊控制以及积分型变结构控制(IVSC)分别与矢量控制相结合,对双馈风力发电机空载并网控制,即并网前的空载运行、并网时的过渡过程做了仿真实验.在IVSC与矢量控制相结合的控制策略中,将饱和函数加入到切换控制,使系统在边界层内产生准滑模运动,有效地抑制了转子电流的抖振.通过比较,积分型变结构控制(IVSC)分别与矢量控制相结合的控制策略能使系统在全局范围动态性能最佳.
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