Wang, Zhaojian and Liu, Feng and Low, Steven and Zhao, Changhong and Mei, Shengwei (2018) Distributed Frequency Control with Operational Constraints, Part II: Network Power Balance. In: 2018 IEEE Power & Energy Society General Meeting (PESGM). IEEE , p. 1. ISBN 9781538677032. https://resolver.caltech.edu/CaltechAUTHORS:20190104-142158857
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Abstract
In Part I of this paper we propose a decentralized optimal frequency control of multi-area power system with operational constraints, where the tie-line powers remain unchanged in the steady state and the power mismatch is balanced within individual control areas. In Part II of the paper, we propose a distributed controller for optimal frequency control in the network power balance case, where the power mismatch is balanced over the whole system. With the proposed controller, the tie-line powers remain within the acceptable range at equilibrium, while the regulation capacity constraints are satisfied both at equilibrium and during transient. It is revealed that the closed-loop system with the proposed controller carries out primal-dual updates with saturation for solving an associated optimization problem. To cope with discontinuous dynamics of the closed-loop system, we deploy the invariance principle for nonpathological Lyapunov function to prove its asymptotic stability. Simulation results are provided to show the effectiveness of our controller.
Item Type: | Book Section | ||||||||||||
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Additional Information: | © 2018 IEEE. | ||||||||||||
DOI: | 10.1109/pesgm.2018.8586037 | ||||||||||||
Record Number: | CaltechAUTHORS:20190104-142158857 | ||||||||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20190104-142158857 | ||||||||||||
Official Citation: | Z. Wang, F. Liu, S. Low, C. Zhao and S. Mei, "Distributed Frequency Control with Operational Constraints, Part II: Network Power Balance," 2018 IEEE Power & Energy Society General Meeting (PESGM), Portland, OR, USA, 2018, pp. 1-1. doi: 10.1109/PESGM.2018.8586037 | ||||||||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||
ID Code: | 92096 | ||||||||||||
Collection: | CaltechAUTHORS | ||||||||||||
Deposited By: | Tony Diaz | ||||||||||||
Deposited On: | 04 Jan 2019 23:16 | ||||||||||||
Last Modified: | 16 Nov 2021 03:46 |
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