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首页> 外文期刊>International Journal of Engineering Research and Applications >Efficient Control of Doubly Fed Induction Generator Wind Turbine Implementation in Matlab Simulink
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Efficient Control of Doubly Fed Induction Generator Wind Turbine Implementation in Matlab Simulink

机译:Matlab Simulink中双馈感应发电机风力发电机的高效控制

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This paper presents an efficient control of Doubly Fed Induction Generator in variable speed wind power generation. The DFIGs are widely used in variable speed wind energy conversion system (WECS) because their voltage source converters only handle a fraction of the total output power under steady-state conditions. A back-to-back power electronic converter (AC-DC-AC) is used in the rotor circuit of the DFIG, allowing the generator to work in both sub-synchronous and super-synchronous mode. In this work the control and implementation of the rotor, grid side and pitch angle controller is detailed. The aim of the grid side converter is to keep the dc-link voltage constant and also compensate the reactive power rather than providing an additional compensating device such as SVC or capacitors banks in parallel to the machine which leads to many problems such as over voltage. The rotor-side converter controls the rotor speed and allows decoupled control between the active reactive powers by using vector control technique. The pitch angle and rotor side controller will be control in coordination to prevent system failure during wind gust. The performance of the control system is demonstrate using Matlab Simulink..
机译:本文提出了变速风力发电中双馈感应发电机的有效控制。 DFIG被广泛用于变速风能转换系统(WECS),因为它们的电压源转换器在稳态条件下仅处理总输出功率的一小部分。 DFIG的转子电路中使用了背靠背功率电子转换器(AC-DC-AC),从而使发电机可以在亚同步和超同步模式下工作。在这项工作中,详细介绍了转子,电网侧和桨距角控制器的控制和实现。电网侧转换器的目的是保持直流母线电压恒定并补偿无功功率,而不是与机器并联提供额外的补偿设备(例如SVC或电容器组),这会导致许多问题,例如过电压。转子侧变流器控制转子速度,并通过矢量控制技术实现有功无功之间的解耦控制。俯仰角和转子侧控制器将被协调控制,以防止阵风期间系统故障。使用Matlab Simulink演示了控制系统的性能。

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