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Главная Архив Оргкомитет Будущие конференции American Society of Thermal and Fluids Engineering
Second Thermal and Fluids Engineering  Conference

ISSN: 2379-1748

LIFE CYCLE ASSESSMENT OF GRID-CONNECTED WIND POWER SYSTEMS BASED ON THE CONFIGURATION OPTIMIZATION

Jin Xu
Key Lab of Thermo-Fluid Science and Engineering of MOE, Xi'an Jiaotong University, Xi'an 710049, China

Wen-Quan Tao
Key Laboratory of Thermo-Fluid Science and Engineering, Ministry of Education, International Joint Research Laboratory of Thermal Science and Engineering School of Energy & Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China

DOI: 10.1615/TFEC2017.est.017603
pages 1117-1123

Аннотация

Life cycle assessment (LCA) is adopted in this study to evaluate whether the energy generated by the wind power system can compensate the energy input in its life cycle and the energy payback time (EPBT) is used as the energy substantiality indicator. As the design and operation of the wind power system is strongly depended on the weather conditions and the load demand, this study reports an LCA of a grid-connected wind power system in three representative regions in China namely Lasa, Qingdao and Chongqing. First the system is optimized using the genetic algorithm (GA) and predicts the energy output during the life cycle of the wind power system considering the hourly weather data and hourly electric load. Finally the EPBT of the wind power system is obtained in three regions. Results show that the EPBT is 1.3, 2.25 and 5.3 years in Lasa, Qingdao Chongqing respectively.

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