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首页> 外文期刊>European Transactions on Electrical Power >A frequency domain model-based design of PSS and TCSC controller for damping the small signal oscillations in the power system
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A frequency domain model-based design of PSS and TCSC controller for damping the small signal oscillations in the power system

机译：PSS和TCSC控制器的基于频域模型的设计，用于抑制电力系统中的小信号振荡

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摘要

For improvement of the operation and control of the power system, the flexible AC transmission system devices are significantly used. This paper proposes a model-based frequency response matching technique for designing a lead-lag power system stabilizer and a thyristor controlled series capacitor controller to improve the small signal stability. The method relies on development of an appropriate reference model, based on the desired specifications that can be attainable by the system dynamics. The unknown controller parameters are obtained by the frequency response matching between the closed-loop control system and the reference model. The efficacy of the proposed controllers is examined on an unstable test power system taken from the literature. Improvement of the damping factor and the other performance indices shows robustness and effectiveness of the proposed controllers for stabilizing the power system oscillations in comparison with some design methods prevalent in the literature. It is illustrated through rigorous simulation that the proposed controller works successfully for stabilizing the power system over a wide unstable operating conditions and perturbed system models.
机译：为了改善电力系统的操作和控制，柔性交流输电系统设备被大量使用。本文提出了一种基于模型的频率响应匹配技术，用于设计超前-滞后电力系统稳定器和晶闸管控制的串联电容器控制器，以提高小信号的稳定性。该方法依赖于基于系统动力学可获得的所需规范的适当参考模型的开发。未知的控制器参数是通过闭环控制系统和参考模型之间的频率响应匹配获得的。所提出的控制器的功效是在来自文献的不稳定的测试电源系统上进行检查的。与文献中流行的一些设计方法相比，阻尼因数和其他性能指标的提高显示了所提出的用于稳定电力系统振荡的控制器的鲁棒性和有效性。通过严格的仿真表明，所提出的控制器能够在广泛的不稳定运行条件和扰动的系统模型下成功地稳定电力系统。

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