해상풍력발전단지의 해상변전소 변압기 적정 용량에 관한 연구A Study on the Adequate Capacity of Substation Transformer for Offshore Wind Farm
- Other Titles
- A Study on the Adequate Capacity of Substation Transformer for Offshore Wind Farm
- Authors
- 문원식; 조아라; 허재선; 배인수; 김재철
- Issue Date
- Aug-2015
- Publisher
- 한국조명.전기설비학회
- Keywords
- Economic Evlauation; Offshore Substation; Redundancy; Sensitivity Analysis; Transformer Capacity
- Citation
- 조명.전기설비학회논문지, v.29, no.8, pp.83 - 89
- Journal Title
- 조명.전기설비학회논문지
- Volume
- 29
- Number
- 8
- Start Page
- 83
- End Page
- 89
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/9274
- ISSN
- 1229-4691
- Abstract
- This study suggests the methodology to decide the number and adequate capacity of substation transformer in a large-scale offshore wind farm (OWF). The recent trend in transformer capacity of offshore substation is analyzed in many European offshore wind farm sites prior to entering the studies. In order to carry out the economic evaluation for the transformer capacity we present the cost models which consist of investment, operation, and expected energy not supplied (EENS) cost as well as the probabilistic wind power model of wind energy that combines the wind speed with wind turbine output characteristics for a exact calculation of energy loss cost. Economic assessment includes sensitivity analysis of parameters which could impact the 400-MW OWF: average wind speed, availability, discount rate, energy cost, and life-cycle.
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