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All Journal Indonesian Journal of Electrical Engineering and Informatics (IJEEI)
Binod Kumar Sahu
Siksha O Anusandhan University, Bhubaneswar, Odisha, India
Computer Science & IT Electrical & Electronics Engineering

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Self-adaptive fuzzy-PID controller for AGC study in deregulated Power System Subhadra Sahoo; Narendra Kumar Jena; Geetanjali Dei; Binod Kumar Sahu
Indonesian Journal of Electrical Engineering and Informatics (IJEEI) Vol 7, No 4: December 2019
Publisher : IAES Indonesian Section

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (827.987 KB) | DOI: 10.52549/ijeei.v7i4.1418

Abstract

The aim of this paper elucidates the AGC issues in a large scale interconnected power system incorporating HVDC link under the deregulated environment. The performance of the system is degraded under the influence of abrupt load change, and parameter variation. To perceive a reliable and quality power supply, secondary robust controllers are essential. A novel self-adaptive Fuzzy-PID controller is proposed to ameliorate the dynamic performance of both the conventional PID and Fuzzy-PID controller, employed in the restructured power system. In self-adaptive Fuzzy-PID controller unlike the Fuzzy-PID controller, the output scaling factors are tuned dynamically while the controller is functioning. These three controllers are designed by enumerating different gains and scaling factors, applying a budding nature-inspired algorithm known as Wild Goat Algorithm (WGA). The superior dynamic performance of frequency and tie-line power deviation under self-adaptive Fuzzy-PID controller in comparison to its' counterparts is investigated by dispatching the scheduled and unscheduled power under different contracts such as poolco based transaction, bilateral transaction and contract violation based transaction through different tie-lines. The dynamic response under parameter variation and random load perturbation confers the robustness of the proposed controller.
Co-Authors Geetanjali Dei Narendra Kumar Jena Subhadra Sahoo