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Extended State Observer-Based Primary Load Frequency Controller for Power Systems with Ultra-High Wind-Energy Penetration

WIND ENGINEERING(2024)

GMR Inst Technol | NMAM Inst Technol | Nisantasi Univ | Istanbul Medeniyet Univ | Univ Johannesburg | Hawassa Univ

Cited 1|Views15
Abstract
In this paper, a novel extended state observer-based (ESO) load frequency control is implemented. Specifically, the proposed control law focuses on the incorporation of wind energy injection as one of the disturbances, treating it as an additional state within the system. The proposed ESO is designed to estimate both the system states and the net disturbance, thereby enhancing its ability to regulate the overall load frequency performance. The proposed control strategy hinges on the judicious selection of control gains and disturbance gain. The estimated disturbance is then effectively compensated to regulate the load frequency. To evaluate the efficacy of the proposed controller, tests are conducted on both single and three area systems. The results demonstrate superior performance, even under conditions involving load and parameter variations.
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Extended state observer,load frequency control,wind energy injection,system regulation
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要点】:本论文提出了一种基于扩展状态观测器(ESO)的主要负荷频率控制器,创新之处在于将风能注入作为系统的一个扰动处理,并设计了ESO来估计系统状态和净扰动,以提高整体负荷频率性能的调节能力。

方法】:该控制策略依赖于控制增益和扰动增益的慎重选择,通过有效补偿估计的扰动来调节负荷频率。

实验】:在单区和三区系统上进行了测试,结果表明即使在负载和参数变化的情况下,该控制器也能展现出卓越的性能。