Reduced-order damping controller design for power systems via frequency-weighted model reduction

Mudassar, Muhammad and Zulfiqar, Umair and Sreeram, Victor and Liaquat, Muwahida and Haja Mohideen, Ahmad Jazlan (2021) Reduced-order damping controller design for power systems via frequency-weighted model reduction. In: 2021 Australian & New Zealand Control Conference (ANZCC), 25-26 November 2021, Gold Coast, Australia.

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Abstract

A damping controller is essential for the smooth operation of power systems. Different types of disturbances result in low-frequency oscillations, which propagate in all the interconnected machines. A safe operation of an interconnected power system requires sufficient damping of these oscillations. Otherwise, there are high chances of blackouts. As the order of the interconnected power system model increases, the analytical controller design procedures result in a high-order controller, which is impractical to implement. In this paper, we demonstrate that the frequency-weighted model order reduction can be used to effectively design a reduced-order loop shaping damping controller. To that end, we design an H-Infinity damping controller for the interconnection of the New England test system (NETS) with the New York power system (NYPS) with an additional constraint of pole-placement. The time-domain simulations of disturbed system with and without controller are performed using MATLAB. Results show that the designed controller successfully removes the low frequency oscillations, maintains synchronism among generators, and guarantees the stability of the power system.

Item Type:	Conference or Workshop Item (Invited Papers)
Uncontrolled Keywords:	Damping Simulation Power system stability Mathematical models Stability analysis Reduced order systems Frequency synchronization
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK4001 Applications of electric power
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Engineering > Department of Mechatronics Engineering
Depositing User:	Dr Ahmad Jazlan Haja Mohideen
Date Deposited:	13 Apr 2022 12:06
Last Modified:	13 Apr 2022 12:06
URI:	http://irep.iium.edu.my/id/eprint/97618

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