Joint Frequency Regulation and Economic Dispatch Using Limited Communication

We study the performance of a decentralized integral control scheme for joint power grid frequency regulation and economic dispatch. We show that by properly designing the controller gains, after a power flow perturbation, the control achieves near-optimal economic dispatch while recovering the nomi...

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Main Authors: Zhang, Jianan, Modiano, Eytan H
Other Authors: Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Format: Article
Language:English
Published: Institute of Electrical and Electronics Engineers (IEEE) 2020
Online Access:https://hdl.handle.net/1721.1/126283
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author Zhang, Jianan
Modiano, Eytan H
author2 Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
author_facet Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Zhang, Jianan
Modiano, Eytan H
author_sort Zhang, Jianan
collection MIT
description We study the performance of a decentralized integral control scheme for joint power grid frequency regulation and economic dispatch. We show that by properly designing the controller gains, after a power flow perturbation, the control achieves near-optimal economic dispatch while recovering the nominal frequency, without requiring any communication. We quantity the gap between the controllable power generation cost under the decentralized control scheme and the optimal cost, based on the DC power flow model. Moreover, we study the tradeoff between the cost and the convergence time, by adjusting parameters of the control scheme.Communication between generators reduces the convergence time. We identify key communication links whose failures have more significant impacts on the performance of a distributed power grid control scheme that requires information exchange between neighbors.
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spelling mit-1721.1/1262832022-10-01T03:00:33Z Joint Frequency Regulation and Economic Dispatch Using Limited Communication Zhang, Jianan Modiano, Eytan H Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology. Department of Aeronautics and Astronautics We study the performance of a decentralized integral control scheme for joint power grid frequency regulation and economic dispatch. We show that by properly designing the controller gains, after a power flow perturbation, the control achieves near-optimal economic dispatch while recovering the nominal frequency, without requiring any communication. We quantity the gap between the controllable power generation cost under the decentralized control scheme and the optimal cost, based on the DC power flow model. Moreover, we study the tradeoff between the cost and the convergence time, by adjusting parameters of the control scheme.Communication between generators reduces the convergence time. We identify key communication links whose failures have more significant impacts on the performance of a distributed power grid control scheme that requires information exchange between neighbors. 2020-07-21T18:30:56Z 2020-07-21T18:30:56Z 2018-12 2018-10 2019-10-30T14:42:19Z Article http://purl.org/eprint/type/ConferencePaper 9781538679548 https://hdl.handle.net/1721.1/126283 Zhang, Jianan and Eytan Modiano. "Joint Frequency Regulation and Economic Dispatch Using Limited Communication." IEEE International Conference on Communications, Control, and Computing Technologies for Smart Grids, October 2018, Aalborg, Denmark, Institute of Electrical and Electronics Engineers, December 2018 © 2018 IEEE en http://dx.doi.org/10.1109/smartgridcomm.2018.8587587 IEEE International Conference on Communications, Control, and Computing Technologies for Smart Grids Creative Commons Attribution-Noncommercial-Share Alike http://creativecommons.org/licenses/by-nc-sa/4.0/ application/pdf Institute of Electrical and Electronics Engineers (IEEE) arXiv
spellingShingle Zhang, Jianan
Modiano, Eytan H
Joint Frequency Regulation and Economic Dispatch Using Limited Communication
title Joint Frequency Regulation and Economic Dispatch Using Limited Communication
title_full Joint Frequency Regulation and Economic Dispatch Using Limited Communication
title_fullStr Joint Frequency Regulation and Economic Dispatch Using Limited Communication
title_full_unstemmed Joint Frequency Regulation and Economic Dispatch Using Limited Communication
title_short Joint Frequency Regulation and Economic Dispatch Using Limited Communication
title_sort joint frequency regulation and economic dispatch using limited communication
url https://hdl.handle.net/1721.1/126283
work_keys_str_mv AT zhangjianan jointfrequencyregulationandeconomicdispatchusinglimitedcommunication
AT modianoeytanh jointfrequencyregulationandeconomicdispatchusinglimitedcommunication