NDLI: Two-step procedures for wide-area Distribution System State Estimation

Content Provider	IEEE Xplore Digital Library
Author	Muscas, C. Pau, M. Pegoraro, P.A. Sulis, S. Ponci, F. Monti, A.
Copyright Year	2014
Description	Author affiliation: Dept. of Electr. & Electron. Eng., Univ. of Cagliari, Cagliari, Italy (Muscas, C.; Pau, M.; Pegoraro, P.A.; Sulis, S.) \|\| E.ON Energy Res. Center, RWTH Aachen Univ., Aachen, Germany (Ponci, F.; Monti, A.)
Abstract	This paper presents the application of multi-area approaches to the state estimation in wide-area distribution systems. The main goal of the paper is to analyze the possibility to accurately estimate the status of a large scale distribution network, relying on a distributed measurement system, in a multi-area framework: to this aim, two-step state estimation procedures are considered. First of all, the network is divided into sub-areas, according to geographical and/or topological constraints. Then, in the first step, for each sub-area, a dedicated estimator is used, exploiting all the measurement devices available on the field. In the second step, data provided by sub-area estimators are processed, using different methods, in order to improve the knowledge on the operating conditions of the network, while keeping the communication “cost” low. Both first and second step can be performed in a decentralized way and with parallel processing, thus leading to reduced overall execution times. Test results, obtained on the 123-bus IEEE test network, are presented and discussed.
Starting Page	1517
Ending Page	1522
File Size	247263
Page Count	6
File Format	PDF
ISBN	9781467363860
DOI	10.1109/I2MTC.2014.6860999
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-05-12
Publisher Place	Uruguay
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Voltage measurement Current measurement State estimation Power measurement Accuracy Fluid flow measurement PMU Distribution system state estimation wide-area monitoring systems multi-area state estimation
Content Type	Text
Resource Type	Article

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