Experimental Research on Capacity Expansion of Large-Scale Offshore Wind Farm Under Multiple Wake Models

CAI Yanfeng; XU Chuqi; TANG Dongsheng; WANG Qingqin

doi:10.16516/j.gedi.issn2095-8676.2023.04.014

SOUTHERN ENERGY CONSTRUCTION > 2023 > 10(4): 138-147. > DOI: 10.16516/j.gedi.issn2095-8676.2023.04.014 CSTR: 32391.14.j.gedi.issn2095-8676.2023.04.014

CAI Yanfeng, XU Chuqi, TANG Dongsheng, WANG Qingqin. Experimental Research on Capacity Expansion of Large-Scale Offshore Wind Farm Under Multiple Wake Models[J]. SOUTHERN ENERGY CONSTRUCTION, 2023, 10(4): 138-147. DOI: 10.16516/j.gedi.issn2095-8676.2023.04.014

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Experimental Research on Capacity Expansion of Large-Scale Offshore Wind Farm Under Multiple Wake Models

1.
China Energy Engineering Group Guangdong Electric Power Design Institute Co., Ltd., Guangzhou 510663, Guangdong, China
2.
Guangdong Kenuo Surveying Engineering Co., Ltd., Guangzhou 510663, Guangdong, China
3.
Xiamen Sunrui Ship Coating Co., Ltd., China Shipbuilding Industry Corporation, Xiamen 361101, Fujian, China

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Received Date: January 02, 2023
Revised Date: March 14, 2023
Available Online: July 24, 2023

Abstract

Abstract

Introduction This article aims to study the optimal planned capacity setting of large-scale offshore wind farm.
Method A series of numerical experiments were conducted on a single planned site with a capacity of 1 GW using three models with different unit capacities and three offshore wind farm wake models, combined with an offshore wind resource atlas, to gradually expand it to 2 GW. Power generation, wake effects and marginal utility of the whole site were analyzed.
Result The results show that employing the wind turbine with larger single-unit capacity, the higher gaining of the power generation and slower growth of wake loss appear during the capacity expansion. Meanwhile, the larger effective expansion range which taking into account the safety of the wind turbine and the marginal utility exists. However, evaluation of effective expansion range may be affected by wake model selection.
Conclusion This article shows that the optimal planned capacity of a single offshore wind farm can be slightly higher than the existing benchmark when multiple constraints, such as utilization of sea area, wind turbine safety and economical efficiency are met. Individual site needs to be subdivided scientifically and the optimal planned capacity should be reasonably set in the future planning of offshore wind farm bases with capacities in the tens of millions of kilowatts.
- offshore wind farm,
- wind turbine,
- wake loss,
- planned capacity,
- capacity expansion

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References (21)

References

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WANG Qingqin, wangqingqin@gedi.com.cn

1.
China Energy Engineering Group Guangdong Electric Power Design Institute Co., Ltd., Guangzhou 510663, Guangdong, China

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Experimental Research on Capacity Expansion of Large-Scale Offshore Wind Farm Under Multiple Wake Models