Fully Distributed Peer-to-Peer Optimal Voltage Control with Minimal Model Requirements
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Date
2020-12
Publication Type
Journal Article
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Abstract
This paper addresses the problem of voltage regulation in a power distribution grid using the reactive power injections of grid-connected power inverters. We first discuss how purely local voltage control schemes cannot regulate the voltages within a desired range under all circumstances and may even yield detrimental control decisions. Communication and, through that, coordination are therefore needed. On the other hand, short-range peer-to-peer communication and knowledge of electric distances between neighbouring controllers are sufficient for this task. We implement such a peer-to-peer controller and test it on a 400 V distribution feeder with asynchronous communication channels, confirming its viability on real-life systems. Finally, we analyze the scalability of this approach with respect to the number of agents on the feeder that participate in the voltage regulation task. © 2020 Elsevier
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published
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Volume
189
Pages / Article No.
106717
Publisher
Elsevier
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Subject
Distributed control; Distributed optimization; Power distribution grids; Reactive power; Volt/VAR control
Organisational unit
09478 - Dörfler, Florian / Dörfler, Florian