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首页> 外文期刊>Power Electronics, IET >Shunt reactive VAR compensator for grid-connected induction generator in wind energy conversion systems
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Shunt reactive VAR compensator for grid-connected induction generator in wind energy conversion systems

机译:用于风能转换系统中并网感应发电机的并联无功无功补偿器

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摘要

This work presents the control design for compensating reactive power requirement of induction generator (IG) in wind generation systems using STATic COMpensator (STATCOM). A mathematical model of IG is developed in synchronously rotating d-q-0 axis. The STATCOM is realised using voltage source inverter for which the switching function model is derived and employed here. Instantaneous p-q theory and symmetrical components theory are considered for reference current generation. The current control uses an optimal proportional controller designed using linear quadratic regulator (LQR) approach. Comparative analysis is also made between hysteresis current control and LQR. Simulation and experimental results indicate that the suggested control techniques make the supply power factor close to unity.
机译:这项工作提出了一种用于控制使用STATCOMCOMpensator(STATCOM)的风力发电系统中感应发电机(IG)的无功功率要求的控制设计。在同步旋转的d-q-0轴上开发了IG的数学模型。 STATCOM是使用电压源逆变器实现的,在该电压源逆变器中导出并使用了开关功能模型。考虑瞬时p-q理论和对称分量理论作为参考电流生成。电流控制使用采用线性二次调节器(LQR)方法设计的最佳比例控制器。磁滞电流控制和LQR之间也进行了比较分析。仿真和实验结果表明,所建议的控制技术可使电源功率因数接近于1。

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