中国电气工程学报（英文） ›› 2020, Vol. 6 ›› Issue (2): 19-29.doi: 10.23919/CJEE.2020.000008

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  • 收稿日期:2020-02-18 修回日期:2020-05-14 接受日期:2020-05-30 出版日期:2020-06-25 发布日期:2020-07-13

Capacity Configuration of Hybrid CSP/PV Plant for Economical Application of Solar Energy*

Fei Li1,2, Canbing Li3, Kai Sun4, *, Jiamei Zhang2, Hua Li5   

  1. 1. State Grid Henan Electric Power Company Economic Research Institute, Zhengzhou 450000, China;
    2. College of Electrical and Information Engineering, Hunan University, Changsha 410082, China;
    3. Department of Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;
    4. State Key Lab of Control and Simulation of Power Systems and Generation Equipment, Tsinghua University, Beijing 100084, China;
    5. Zhangjiakou Power Supply Company, Zhangjiakou 075000, China
  • Received:2020-02-18 Revised:2020-05-14 Accepted:2020-05-30 Online:2020-06-25 Published:2020-07-13
  • Contact: * Email: sun-kai@mail.tsinghua.edu.cn
  • About author:Fei Li received her B.E. degree in electrical engineering from Tianjin Polytechnic University, Tianjin, in 2014, and received her M.E. degree in electrical engineering from Hunan University, Changsha, China, in 2018. She is currently working at the State Grid Henan Electric Power Company Economic Research Institute, Zhengzhou, China. Her major research interest is renewable energy configuration optimization.
    Canbing Li (M'06-SM'13) received both his B.E. degree and Ph.D. degree in electrical engineering from Tsinghua University, Beijing, China, in 2001 and 2006, respectively. He is currently a professor with the College of Electrical and Information Engineering, Hunan University, Changsha, China. His research interests include smart grids, energy efficiency, and energy policy.
    Kai Sun (M'12-SM'16) received his B.E., M.E., and Ph.D. degrees in electrical engineering from Tsinghua University, Beijing, China, in 2000, 2002, and 2006, respectively. He joined the faculty of Electrical Engineering, Tsinghua University, in 2006, where he is currently an associate professor. His current research interests include power electronics for renewable generation systems, micro-grids, and the energy internet.
    Jiamei Zhang received her B.E. degree at the College of Electrical and Power Engineering, Taiyuan University of Technology, Taiyuan, China, in 2013. She is currently working toward her Ph.D. degree at the College of Electrical and Information Engineering, Hunan University, Changsha, China. Her major research interests include renewable energy generation and optimization.
    Hua Li received his B.E. degree in electrical engineering and automation at Hebei Normal University, Shijiazhuang, China, in 2014. He received his M.E. degree in electrical engineering in Hunan University, Changsha, China, in 2017. He is currently working at Zhangjiakou Power Supply Company, Zhangjiakou, China. His research interest is optimal operation of renewable energy.
  • Supported by:
    * Supported by the National Key Research and Development Program (2016YFE0102600) and the Key Project of National Natural Science Foundation of China (61733010).

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Abstract: Concentrating solar power (CSP) technology has received increasing attention in recent years because of its distinct advantage for dispatchable power generation from solar energy. However, owing to its highly levelized costs of electricity, CSP plants are less competitive than photovoltaic (PV) power plants. To overcome this drawback and suppress PV power fluctuations, the concept of a hybrid CSP/PV power plant is proposed and developed. A capacity configuration method based on filtering and checking is proposed to seek a relationship between the capacity configuration of a hybrid CSP/PV system and the cost of solar energy. Co-content hybrid systems with different ratios of CSP capacity and PV capacity are modeled, and their comprehensive performance is investigated. Simulations and comparisons with a standalone CSP system focused on annual energy generation, capacity factor, levelized cost of electricity, and possibility for loss of power supply show that the hybrid CSP/PV systems possess different features depending on their capacity configurations. The results indicate that the proposed method can supply a convenient and simple operation pattern that favors engineering utilization and extension.

Key words: Concentrating solar power, photovoltaic, capacity configuration, levelized cost of electricity