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Type: Artigo
Title: Specifying angular reference for three-phase distribution system state estimators
Author: da Silva, RS
Fernandes, TR
de Almeida, MC
Abstract: In power system state estimation, similar to power flow, an angular reference is required in order to solve the problem providing the most likely state of the system. For single-phase state estimators (SEs), the usual practice is to specify the angular reference at the substation bus, usually at 0 degrees. This study discusses and presents how to specify the angular reference for three-phase distribution systems SEs (DSSEs). As the main contributions, two different approaches for specifying the reference are presented and assessed. Additionally, the more general proposed approach is improved and a robust version, based on a reduced number of state variables, is presented. The proposed approaches are applied to three SEs commonly recommended for distribution systems. The results show that the approach based on a reduced number of state variables is a proper and general solution to specify the reference angles for three-phase DSSEs
Subject: Sistemas de energia elétrica
Country: Reino Unido
Editor: Institution of Engineering and Technology
Rights: Fechado
Identifier DOI: 10.1049/iet-gtd.2017.0860
Date Issue: 2018
Appears in Collections:FEEC - Artigos e Outros Documentos

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