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Design of Robust UPFC Controller Using H∞ Control Theory in Electric Power System | Science Publications

机译:基于H∞控制理论的电力系统鲁棒UPFC控制器设计。科学出版物

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> An industrial plant, such a power system, always contains parametric uncertainties. In the design of a controller the uncertainties have to be considered. Otherwise, if the real plant differs from the assumed plant model, a controller, designed based on classical controller design approaches, may not ensure the stability of the overall system. In this paper design of robust control for the UPFC controllers including power - flow and DC voltage regulator, using a H loop-shaping design via a normalized coprime factorization approach, where loop-shape refers to magnitude of the loop transfer function L = GK as function of frequency is presented. As an example, we have designed a case for the system to compare the proposed method with a conventional method (classical P-I controller). AS the results of the linear and nonlinear simulations, the validity of the proposed method has been confirmed.
机译: >工业工厂,例如电力系统,总是包含参数不确定性。在控制器的设计中,必须考虑不确定性。否则,如果实际工厂与假定的工厂模型不同,则基于经典控制器设计方法设计的控制器可能无法确保整个系统的稳定性。在本文中,通过归一化互质因数分解方法使用H 环路整形设计,设计了针对包含功率-流量和直流电压调节器的UPFC控制器的鲁棒控制,其中环路形状指的是幅值。给出了环路传递函数L = GK作为频率的函数。例如,我们为系统设计了一个案例,以将建议的方法与常规方法(经典的P-I控制器)进行比较。作为线性和非线性仿真的结果,已经证实了该方法的有效性。

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