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首页> 外文期刊>Trends in Ecology & Evolution >Fixed Low-Order Wide-Area Damping Controller Considering Time Delays and Power System Operation Uncertainties
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Fixed Low-Order Wide-Area Damping Controller Considering Time Delays and Power System Operation Uncertainties

机译：定考虑时间延迟和电力系统运行不确定性，固定低阶广域阻尼控制器

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摘要

This paper presents a procedure for the design of a Wide-Area Damping Controller (WADC) towards improving the low-frequency oscillation modes of the power system considering uncertainties in both nominal power system operation condition and time delay on the WADC communication channels. A set of possible operating conditions is linearized around their equilibrium points and used for the construction of the uncertainty model of the system. The lower and upper limits of the time delay are also included in the set. The WADC operation requires remote signals provided by Phasor Measurement Units and highly susceptible to failures or cyber-attacks that may compromise the controller performance. The proposed procedure evaluates in each stage if the resulting controller presents robustness to communication channel permanent failure. Modal analysis and time-domain nonlinear simulations were conducted in the IEEE 68-bus power system.
机译：本文介绍了考虑在WADC通信通道上的标称电力系统操作条件和时间延迟中的不确定性，旨在改善电力系统的低频振荡模式的广域阻尼控制器（WADC）的过程。 一组可能的操作条件在平衡点周围线性化，并用于构建系统的不确定性模型。 该组中还包括时间延迟的下限和上限。 WADC操作需要Phasor测量单元提供的远程信号，并且对可能损害控制器性能的故障或网络攻击非常敏感。 如果生成的控制器对通信信道永久性故障呈现稳健性，则所提出的过程评估每个阶段。 在IEEE 68总线电力系统中进行了模态分析和时域非线性模拟。

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