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Mathematics > Optimization and Control

arXiv:2005.11032 (math)
[Submitted on 22 May 2020]

Title:Improving Dynamic Performance of Low-Inertia Systems through Eigensensitivity Optimization

Authors:Ashwin Venkatraman, Uros Markovic, Dmitry Shchetinin, Evangelos Vrettos, Petros Aristidou, Gabriela Hug
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Abstract:An increasing penetration of renewable generation has led to reduced levels of rotational inertia and damping in the system. The consequences are higher vulnerability to disturbances and deterioration of the dynamic response of the system. To overcome these challenges, novel converter control schemes that provide virtual inertia and damping have been introduced, which raises the question of optimal distribution of such devices throughout the network. This paper presents a framework for performance-based allocation of virtual inertia and damping to the converter-interfaced generators in a low-inertia system. This is achieved through an iterative, eigensensitivity-based optimization algorithm that determines the optimal controller gains. Two conceptually different problem formulations are presented and validated on a 3-area, 12-bus test system.
Subjects: Optimization and Control (math.OC); Systems and Control (eess.SY)
Cite as: arXiv:2005.11032 [math.OC]
  (or arXiv:2005.11032v1 [math.OC] for this version)
  https://doi.org/10.48550/arXiv.2005.11032

Submission history

From: Uros Markovic [view email]
[v1] Fri, 22 May 2020 06:55:31 UTC (5,359 KB)
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