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New approach for power lines performance estimation based on load variation due to voltage sags
Federal University of Rio Grande do Sul (UFRGS), Porto Alegre.
Itajuba Federal University, Brazil.
Itajuba Federal University, Brazil.
CEMIG, Belo Horizonte.
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2011 (Engelska)Ingår i: Electric power systems research, ISSN 0378-7796, E-ISSN 1873-2046, Vol. 83, nr 1, s. 35-40Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The power line performance has traditionally been assessed in terms of its efficiency and reliability. The increase of the effect of voltage sags on sensitive loads, maybe located far away from the faulted line, is the reason to carry out a new analysis of power line's performance. A new method to evaluate the power line performance, based on voltage sag indices, is proposed. The voltage sag indices suggested to assess power lines performance are the load variation, the non delivered energy and the total cost due to voltage sags. The proposed power line performance is compared with the traditional performance based on power line outages. The results show that the proposed method can change the assessment of power lines performance and therefore the utility focus for investment.

Ort, förlag, år, upplaga, sidor
2011. Vol. 83, nr 1, s. 35-40
Nationell ämneskategori
Annan elektroteknik och elektronik Energiteknik
Forskningsämne
Elkraftteknik; Energiteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-13963DOI: 10.1016/j.epsr.2011.09.011ISI: 000300129700005Scopus ID: 2-s2.0-80053634655Lokalt ID: d4793812-76d1-4765-9c08-1169a8c2c963OAI: oai:DiVA.org:ltu-13963DiVA, id: diva2:986916
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Validerad; 2011; 20111013 (ysko)Tillgänglig från: 2016-09-29 Skapad: 2016-09-29 Senast uppdaterad: 2018-07-10Bibliografiskt granskad

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