해상풍력단지 개발을 위한 부유식 라이다 검증
Validation of Floating LiDAR System for Development of Offshore Wind Farms
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초록
In this study, a floating LiDAR system (FLS) is investigated through a field test involving two steps. First, correlations among wind speeds, measured using the met mast and two LiDARs, are computed to analyze the acceptance criteria of LiDAR for measuring wind speed. The results of the analysis show that the slopes of single variant regression between mean wind speeds are below 1.03 and the coefficient of determination is above 0.97. Next, correlations among wind speeds measured using the FLS and a fixed LiDAR are determined through a field test carried out in Doomi-doo, Tong-young, Gyeongsangnam-do. The FLS is installed 300 m away from the fixed LiDAR on the ground. The results show that the slope of single variant regression is approximately 1.0275 and the coefficient of determination is above 0.971. According to the IEA/wind 18 recommendation, it is found that the developed FLS measures valid wind speeds to assess wind resources for the development of offshore wind farms.
Abstract
In this study, a floating LiDAR system (FLS) is investigated through a field test involving two steps. First, correlations among wind speeds, measured using the met mast and two LiDARs, are computed to analyze the acceptance criteria of LiDAR for measuring wind speed. The results of the analysis show that the slopes of single variant regression between mean wind speeds are below 1.03 and the coefficient of determination is above 0.97. Next, correlations among wind speeds measured using the FLS and a fixed LiDAR are determined through a field test carried out in Doomi-doo, Tong-young, Gyeongsangnam-do. The FLS is installed 300 m away from the fixed LiDAR on the ground. The results show that the slope of single variant regression is approximately 1.0275 and the coefficient of determination is above 0.971. According to the IEA/wind 18 recommendation, it is found that the developed FLS measures valid wind speeds to assess wind resources for the development of offshore wind farms.
참고문헌 (10)
- Korean Standards Association, "KS C IEC 61400-3, Wind turbines - Part 3: Design requirements for offshore wind turbines", ~ (2013)
- International Electrotechnical Commission (IEC), "IEC 61400-12-1, Power performance measurements of electricity producing wind turbines", ~ (2017)
- Smith, M., "An insight into lidars for offshore wind measurements", Presented at Deepwind 2012Conference (2012)
- Hsuan, C. Y., "Validation and measurement of floating LiDAR for nearshore wind resource assessment application", Energy Procedia, 61, pp.1699~1702 (2014)
- International Electrotechnical Commission (IEC), "IEA wind RP18 Floating lidar systems", ~ (2017)
- "Roadmap for the commercial acceptance of floating LIDAR technology" (2018)[URL]
- Kim, S. O., "2MW offshore wind turbine construction", Journal of Wind Energy, 2(2) (2011)
- "Announcement No. 2017-611, The 8th basic plan for long-term electricity supply and demand" (2017)[URL]
- 김정록, "LiDAR가 탑재된 계류된 부유식 기상 부이의 개념 설계", 한국해양공학회지, 31(5), pp.325~334 (2017), 한국해양공학회[DOI]
- 조민지, "부유식 해상풍력시스템의 제어기 설계", 신재생에너지, 11(2), pp.3~11 (2015), 한국신·재생에너지학회[DOI]