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Abstract

Due to single-phase connected loads and distributed generation, distribution networks often operate under unbalanced loading conditions. This implies that the assumptionof a balanced network for the purpose of state estimation does not always hold. Numerous papers have been published on the topic of three-phase state estimation in distribution networks in order to solve this problem. However, there is no generic method to determine whether a three-phase state estimator is required or if a single-phase network representation can deliver a sufficient degree of accuracy. Therefore, in this paper a new method is presented that provides a generic method to choose between the single- and three-phase state estimator method, depending on the network topology, and metering configuration.

Item Type:	Conference Publication
Authors/Creators:	Brinkmann, B and Bicevskis, K and Scott, R and Negnevitsky, M
Keywords:	Optimal meter placement, three-phase modelling, state estimation uncertainty.
Journal or Publication Title:	Proceedings from the Australian Universities Power Engineering Conference
Publisher:	Institute of Electrical and Electronics Engineers
DOI / ID Number:	https://doi.org/10.1109/AUPEC.2017.8282458
Copyright Information:	Copyright 2017 IEEE
Related URLs:	Google Scholar: Negnevitsky, M UTAS Profile: Negnevitsky, M
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