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Energies 2015, 8(8), 8319-8338; doi:10.3390/en8088319

Novel Segmentation Technique for Measured Three-Phase Voltage Dips

1
Electronic Technology Area, University of Cordoba, Cordoba 14002, Spain
2
Electric Power Engineering, Department of Engineering Sciences and Mathematics, Luleå University of Technology, Skellefteå 931 87, Sweden
3
Department of Signals and Systems, Chalmers University of Technology, Göteborg 412 58, Sweden
*
Author to whom correspondence should be addressed.
Academic Editor: Thorsten Staake
Received: 25 April 2015 / Revised: 28 July 2015 / Accepted: 30 July 2015 / Published: 6 August 2015
(This article belongs to the Special Issue Smart Metering)

Abstract

This paper focuses on issues arising from the need to automatically analyze disturbances in the future (smart) grid. Accurate time allocation of events and the sequences of events is an important part of such an analysis. The performance of a joint causal and anti-causal (CaC) segmentation method has been analyzed with a set of real measurement signals, using an alternative detection technique based on a cumulative sum (CUSUM) algorithm. The results show that the location in time of underlying transitions in the power system can be more accurately estimated by combining CaC segmentation methods. View Full-Text
Keywords: electric power distribution; electric power transmission; power quality (PQ); smart grids; cumulative sum (CUSUM); voltage-dip electric power distribution; electric power transmission; power quality (PQ); smart grids; cumulative sum (CUSUM); voltage-dip
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Moreno-Garcia, I.M.; Moreno-Munoz, A.; Gil-de-Castro, A.; Bollen, M.; Gu, I.Y.H. Novel Segmentation Technique for Measured Three-Phase Voltage Dips. Energies 2015, 8, 8319-8338.

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