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http://dx.doi.org/10.5207/JIEIE.2013.27.11.089

A Study on Reliability Evaluation for Constructing Inner Grid of Offshore Wind Farm  

Bae, In-Su (Department of Electrical Eng. Kangwon National University)
Shin, Je-Seok (Department of Electrical Eng. Kangwon National University)
Kim, Jin-O (Department of Electrical Eng, Hanyang University)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.27, no.11, 2013 , pp. 89-95 More about this Journal
Abstract
In resent years, Offshore Wind Farm (OWF) is being actively developed. Typically, OWF has a better wind resource than onshore one, but also have a very high investment cost and maintenance cost. Furthermore, due to a difficulty of geographical access, OWF can be affected by the failure for a longer time. As the result, OWF has a higher loss cost. Therefore, a reliability evaluation should be performed more carefully at OWF planning stage. In this paper, a methodology for the reliability evaluation on inner grid is suggested. Inner grid connects wind turbines via submarine cables and transfers power to offshore substation. According to location of the faulted cable under layouts of inner grid, the transfer ability of inner grid is influenced. In order to indicate the transfer ability of inner grid, several indices are introduced such as PNDR, EEND and EENDC. To demonstrate the methodology described in this paper, diversity case studies were performed.
Keywords
Offshore Wind Farm; Reliability Evaluation; Inner Grid; Power Not Delivered Ratio(PNDR); Expected Energy Not Delivered(EEND); Expected Energy Not Delivered Cost(EENDC);
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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