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Cost and benefits analysis of VSC-HVDC schemes for offshore wind power transmission

Wang, Sheng, Liang, Jun, Wen, An and Feng, Chunmei 2013. Cost and benefits analysis of VSC-HVDC schemes for offshore wind power transmission. Automation of Electric Power Systems 37 (13) , pp. 36-43.

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Due to low load factors of wind power generation,it is possible to reduce transmission capacity to minimize the cost of transmission system construction.Two VSC-HVDC schemes for offshore wind farm,called the point to point(PTP)and DC mesh connections are compared in terms of the utilization of transmission system and its cost.A Weibull distribution is used for estimating offshore wind power generation,besides,the cross correlation between wind farms is considered.The wind energy curtailment is analyzed using the capacity output possibility table(COPT).The system power losses,costs of transmission investment and wind energy curtailment are also computed.A statistic model for the wind generation and transmission is built and simulated in MATLAB to validate the study.It is concluded that a DC mesh transmission can reduce the energy curtailment and power losses.Further benefit is achievable as the wind cross correlation between wind farms decreases.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TD Environmental technology. Sanitary engineering
ISSN: 1000-1026
Date of Acceptance: 2012
Last Modified: 04 Jun 2017 06:47

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