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首页> 外文期刊>International Journal of Engineering Research and Applications >Damping of Low Frequency Oscillation in Power System using QFT FESS controller
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Damping of Low Frequency Oscillation in Power System using QFT FESS controller

机译：使用QFT FESS控制器抑制电力系统低频振荡

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In this paper, a robust flywheel energy storage system (FESS) controller using quantitative feedback theory (QFT) is designed to damp low frequency oscillations in spite of uncertainties and various disturbance of power system. To design the QFT FESS controller, the target performance specifications of the closed loop system and system uncertainties are converted to QFT bounds. Through the iterative loop shaping procedure, the FESS controller is designed to satisfy all QFT bounds at all frequencies. To verify control performance of the QFT FESS controller, nonlinear dynamic simulations are performed under various disturbance. The control characteristics with QFT FESS controller have been compared with that of the conventional power system stabilizer (PSS). The simulation results show that the QFT FESS controller provided better dynamic responses in comparison with the conventional PSS controller.
机译：本文设计了一种基于定量反馈理论（QFT）的鲁棒飞轮储能系统（FESS）控制器，以抑制低频振荡，尽管存在不确定性和各种电力系统干扰。为了设计QFT FESS控制器，将闭环系统的目标性能规格和系统不确定性转换为QFT界限。通过迭代环路整形过程，FESS控制器被设计为满足所有频率下的所有QFT范围。为了验证QFT FESS控制器的控制性能，在各种干扰下进行了非线性动态仿真。 QFT FESS控制器的控制特性已与常规电力系统稳定器（PSS）进行了比较。仿真结果表明，与传统的PSS控制器相比，QFT FESS控制器具有更好的动态响应。

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