Patari, Niloy and Srivastava, Anurag K. and Qu, Guannan and Li, Na (2020) Distributed Optimal Voltage Control for Three Phase Unbalanced Distribution Systems with DERs. In: 2020 IEEE Industry Applications Society Annual Meeting. IEEE , Piscataway, NJ, pp. 1-8. ISBN 978-1-7281-7192-0. https://resolver.caltech.edu/CaltechAUTHORS:20211110-171935885
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Abstract
Traditionally, electric utilities have used local (non-optimal) or centralized (optimal) approaches for voltage control in electric distribution grids. However, with increased penetration of distributed energy resources (DERs), voltage control has become increasingly challenging for distribution grid operators. This is mainly due to intermittency and variability in power injections of DERs. Digitalization and automation driven by smart grid development provides an opportunity to find balance between non-optimal local and complex but optimal centralized voltage control. Distributed optimization approaches enabled by automation utilize DERs to mitigate such voltage issues in optimal and resilient manner. This paper proposes an optimal distributed voltage control algorithm for three phase unbalanced distribution systems using augmented Lagrangian multiplier theory and primal-dual gradient algorithms. The algorithm requires local voltage measurements and communication among neighbouring buses while meeting hard limits on reactive power injections on voltage control devices and DERs. Developed algorithm is validated for both single phase and three phase unbalanced distribution systems voltage control using OpenDSS.
| Item Type: | Book Section | |||||||||
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| Additional Information: | © 2020 IEEE. This work is partially supported by the Department of Energy UI-ASSIST under Award Number DE-IA0000025. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof. | |||||||||
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| Subject Keywords: | Optimal Voltage Control, Distributed Optimization, Three-phase Unbalanced Distribution System | |||||||||
| DOI: | 10.1109/ias44978.2020.9334886 | |||||||||
| Record Number: | CaltechAUTHORS:20211110-171935885 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20211110-171935885 | |||||||||
| Official Citation: | N. Patari, A. K. Srivastava, G. Qu and N. Li, "Distributed Optimal Voltage Control for Three Phase Unbalanced Distribution Systems with DERs," 2020 IEEE Industry Applications Society Annual Meeting, 2020, pp. 1-8, doi: 10.1109/IAS44978.2020.9334886 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 111825 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Tony Diaz | |||||||||
| Deposited On: | 11 Nov 2021 18:50 | |||||||||
| Last Modified: | 07 Jan 2022 16:27 |
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