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Inter-area Oscillation Control Based on Eigensystem Realization Approach

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.
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https://hal-iogs.archives-ouvertes.fr/hal-01926442
Contributor : Jean Dobrowolski Connect in order to contact the contributor
Submitted on : Monday, November 19, 2018 - 11:31:40 AM
Last modification on : Thursday, August 18, 2022 - 3:13:21 AM
Long-term archiving on: : Wednesday, February 20, 2019 - 2:03:20 PM

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  • HAL Id : hal-01926442, version 1

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J Dobrowolski, F R Segundo, F A Zelaya, M R A Paternina. Inter-area Oscillation Control Based on Eigensystem Realization Approach. 2018 IEEE Autumn Meeting on Power, Electronics and Computing (ROPEC 2018), Nov 2018, Ixtapa, Mexico. ⟨hal-01926442⟩

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