Title: Inter-area oscillation control based on eigensystem realization approach
Authors : Dobrowolski, Jean
Segundo Sevilla, Felix Rafael
Zelaya, Fransisco
Paternina, Mario
Conference details: 2018 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC 2018). Ixtapa, Mexico, 14-16 November 2018
Issue Date: 2018
License (according to publishing contract) : Not specified
Type of review: Peer review (Publication)
Language : English
Subjects : Inter-area Oscillation; Eigensystem realization; Mode identification; Linear quadratic gaussian; Dynamic stability; Adaptive control; Power system stabilizer
Subject (DDC) : 621.3: Electrical engineering and electronics
Abstract: The continuous growth and development of society have a direct correlation to the amount of energy required to satisfy its demand. As consequence, more interconnections of existing electrical networks are required, increasing the complexity on its operation. Thus, larger power systems are prone to experience inter-area oscillations, which are triggered by generators oscillating against each other from different geographic locations. Whether these so called inter-area oscillations are undamped, they could eventually lead to a system collapse. In this work, a Linear Quadratic Gaussian (LQG) control approach to damp inter-area oscillations out, which is coupled with a dynamic eigensystem realization algorithm (ERA), is proposed. Although these two concepts are well documented on the literature, the novelty presented here is its combination resulting on a fast and effective damping controller. The proposed architecture is implemented as a digital Power System Stabilizer (PSS) using the combination of the professional softwares DigSilent PowerFactory and Matlab. The presented controller is validated trough dynamic system simulations on the IEEE benchmark New England model. Additionally, a tutorial to implement the proposed controller is also presented.
Departement: School of Engineering
Organisational Unit: Institute of Energy Systems and Fluid Engineering (IEFE)
Publication type: Conference Paper
ISBN: 978-1-5386-5935-9
URI: https://digitalcollection.zhaw.ch/handle/11475/14386
Appears in Collections:Publikationen School of Engineering

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