Novel Multi-Stage Hybrid-Smart Load-Frequency Controller to an Interconnected Power System Considering HVDC and Renewable Energy Sources

International Journal of Electrical and Electronics Engineering

© 2024 by SSRG - IJEEE Journal

Volume 11 Issue 6

Year of Publication : 2024

Authors : Diem-Vuong Doan, Ngoc-Khoat Nguyen

10.14445/23488379/IJEEE-V11I6P122

How to Cite?

Diem-Vuong Doan, Ngoc-Khoat Nguyen, "Novel Multi-Stage Hybrid-Smart Load-Frequency Controller to an Interconnected Power System Considering HVDC and Renewable Energy Sources," SSRG International Journal of Electrical and Electronics Engineering, vol. 11,  no. 6, pp. 197-204, 2024. Crossref, https://doi.org/10.14445/23488379/IJEEE-V11I6P122

Abstract:

Large-scale power systems constitute interconnected networks comprising numerous highly complex devices, presenting a significant challenge for control strategies. Within such systems, maintaining stable frequency control across regions remains one of the most pressing issues today. This study proposes a novel design for a multi-stage hybrid controller applicable to a complex two-area interconnected power system. Each area in this system incorporates three distinct turbine types. The controller integrates a PID controller with a (2+PI) controller structure, further augmented by a fuzzy logic component. The parameters of this multi-stage PID-(2+PI) controller are optimized using a modified, faster variant of Particle Swarm Optimization (iPSO). The frequency response of the two areas, obtained through simulations conducted using the MATLAB/Simulink software package, is compared with the performance of PSO-PID and conventional PID controllers. These comparisons with a lot of numerical simulations demonstrate that the proposed controller yields significantly superior results, thereby validating the feasibility of this control approach.

Keywords:

iPSO, Fuzzy logic, PID, (2+PI), Multi-stage controller, Interconnected power system, LFC.

References:

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