Optimal Design for Offshore Wind Farm considering Inner Grid Layout and Offshore Substation Location

This paper introduces an efficient methodology to design optimally cable layout of inner grid as well as location of offshore substation. The methodology is composed of two optimizers: one is inner grid layout optimizer, which consists of several algorithms such as the k-clustering-based genetic alg...

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Bibliographic Details
Published in:IEEE transactions on power systems 2017-05, Vol.32 (3), p.2041-2048
Main Authors: Shin, Je-Seok, Kim, Jin-O
Format: Article
Language:English
Subjects:
Cable selection
Clustering
coordinate pattern search
Genetic algorithms
Graph theory
inner grid (IG) layout
K-clustering-based genetic algorithm
Layout
Layouts
minimum spanning tree algorithm
Offshore
Offshore energy sources
offshore substation (OS/S) location
Optimization
Pattern search
Power cables
Power system reliability
Reliability
Reliability analysis
Reliability aspects
Substations
Wind farms
Wind power
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Summary:This paper introduces an efficient methodology to design optimally cable layout of inner grid as well as location of offshore substation. The methodology is composed of two optimizers: one is inner grid layout optimizer, which consists of several algorithms such as the k-clustering-based genetic algorithm, the minimum spanning tree, and the cable selection; the other one is offshore substation location optimizer based on the pattern search method. While performing iteratively two optimizers, alternatives for cable layout and candidates for location of offshore substation are generated and evaluated in the economic and reliability aspects, respectively. Optimal layout of offshore wind farm is determined so as to minimize the total cost which is a sum of construction, power loss, maintenance, and reliability costs.
ISSN:0885-8950
1558-0679
DOI:10.1109/TPWRS.2016.2593501