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A new power quality deviation index based on principal curves
Federal University of Lavras.
Federal University of Rio de Janeiro, COPPE/Poli.
Department of Electrical Circuits, Federal University of Juiz de Fora, Campus Universitário.
Department of Electrical Circuits, Federal University of Juiz de Fora, Campus Universitário.
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2015 (Engelska)Ingår i: Electric power systems research, ISSN 0378-7796, E-ISSN 1873-2046, Vol. 125, s. 8-14, artikel-id 4289Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

In this paper, a new power quality deviation index based on principal curves is proposed. The index provides a quantitative measure, which gives an idea of how much the monitored electrical signal has deviated from the nominal one. Differently of existing indices, the proposed index is a general index, i.e., it can be used for any type of disturbance in the monitored signal. In addition, the proposed index is used to perform a direct approach for detecting disturbances in power signals. This approach is able to detect the beginning and localize the disturbance by analyzing non-overlapping signal windows of one cycle of the fundamental component, leading to a simple method in terms of computational complexity

Ort, förlag, år, upplaga, sidor
2015. Vol. 125, s. 8-14, artikel-id 4289
Nationell ämneskategori
Annan elektroteknik och elektronik
Forskningsämne
Elkraftteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-14851DOI: 10.1016/j.epsr.2015.03.019ISI: 000358101200002Scopus ID: 2-s2.0-84926470158Lokalt ID: e45db260-1f5b-42b6-adbc-a1598d28c503OAI: oai:DiVA.org:ltu-14851DiVA, id: diva2:987824
Anmärkning

Validerad; 2015; Nivå 2; 20150409 (andbra)

Tillgänglig från: 2016-09-29 Skapad: 2016-09-29 Senast uppdaterad: 2022-10-24Bibliografiskt granskad

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