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- Title
Dissipative Discrete PID Load Frequency Control for Restructured Wind Power Systems via Non-Fragile Design Approach.
- Authors
Zhou, Hanmei; Zhong, Qishui; Hu, Shaoyu; Yang, Jin; Shi, Kaibo; Zhong, Shouming
- Abstract
This article proposes a discrete proportional-integral-derivative (PID) load frequency control (LFC) scheme to investigate the dissipative analysis issue of restructured wind power systems via a non-fragile design approach. Firstly, by taking the different power-sharing rates of governors into full consideration, a unified model is constructed for interconnected power systems containing multiple governors. Secondly, unlike existing LFC schemes, a non-fragile discrete PID control scheme is designed, which has the performance of tolerating control gain fluctuation and relieving the huge computational burden. Further, by constructing a discrete-type Lyapunov–Krasovskii functional, improved stability criteria with a strict dissipative performance index are established. Finally, numerical examples are presented to demonstrate the effectiveness of the proposed control method.
- Subjects
WIND power; INTERCONNECTED power systems; STABILITY criterion
- Publication
Mathematics (2227-7390), 2023, Vol 11, Issue 14, p3252
- ISSN
2227-7390
- Publication type
Article
- DOI
10.3390/math11143252