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https://open.uns.ac.rs/handle/123456789/4226
Title: | Verification and estimation of phase connectivity and power injections in distribution network | Authors: | Krsman, Vladan Sarić, Andrija |
Issue Date: | 1-Feb-2017 | Journal: | Electric Power Systems Research | Abstract: | © 2016 Elsevier B.V. Distribution utilities are facing a new set of challenges for efficient and optimal operation of modern (active and more dynamic) distribution networks. To address these challenges, utilities are relying on sophisticated algorithms and software that require accurate phase connectivity models and three-phase state estimation. Without this data, the operational benefits of optimization software packages are reduced and limited. This paper presents a method for verification and estimation of phase connectivity for a predefined set of nodes with three-, two- and single-phase connections. These nodes are formulated as accurate nodes with questionable phases. Accordingly, the bus injections (loads and/or distributed generations) and overall network's operation condition are estimated. The proposed method requires the minimum set of real-time measurements and utilizes all other available quasi real-time and pseudo measurements. The method is simulated on two characteristic test systems: 1) modified IEEE 13-bus benchmark network, and 2) real-world 186-bus distribution feeder through realistic study cases of distribution network model coordinator. | URI: | https://open.uns.ac.rs/handle/123456789/4226 | ISSN: | 3787796 | DOI: | 10.1016/j.epsr.2016.10.013 |
Appears in Collections: | FTN Publikacije/Publications |
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