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- Title
Design of cascade P-P-FOPID controller based on marine predators algorithm for load frequency control of electric power systems.
- Authors
Hussain, Jahanzeab; Zou, Runmin; Akhtar, Samina; Abouda, Khalid A.
- Abstract
As power network complexity increases, efficient control of frequency deviations and tie-line power fluctuations becomes crucial. Load frequency control (LFC) addresses these issues by managing generation-consumption mismatches. This paper introduces a unique P-P-FOPID cascade controller for LFC, combining a proportional controller with a fractional-order PID. The marine predators algorithm (MPA), known for its benefits like being parameter-less, derivative-free, user-friendly, flexible, and simple, is employed to optimize the controller's parameters using the integral time absolute error criterion. Tested on three power systems, the proposed controller outperforms single-structure FOPID controller based on MPA and recent approaches in reducing ITAE, settling time, and frequency and tie-line power deviations. In comparative analysis, the proposed MPA-tuned P-P-FOPID controller achieves a 60% and 11% decrease in ITAE compared to the second-best DSA-optimized FOPI-FOPD controller for Systems 1 and 2, respectively, and a 25% decrease compared to the second-best MPA-tuned FOPID controller for System 3. Furthermore, the controller's robustness against parametric uncertainties is confirmed through variations in fundamental parameters.
- Subjects
ELECTRIC power system control; PID controllers; PREDATOR management; TIME management; COMPARATIVE studies
- Publication
Electrical Engineering, 2025, Vol 107, Issue 1, p809
- ISSN
0948-7921
- Publication type
Academic Journal
- DOI
10.1007/s00202-024-02551-0