Science China Technological Sciences

, Volume 62, Issue 11, pp 1987–1998 | Cite as

Dynamic analysis of a concentrating photovoltaic/concentrating solar power (CPV/CSP) hybrid system

  • Xue Han
  • Chao XuEmail author
  • XinYu Pan
  • Xing Ju
  • XiaoZe Du


Concentrating photovoltaic/concentrating solar power (CPV/CSP) systems suffer from varying irradiation and extreme working conditions. In this study, a dynamic physical model is developed for the CPV/CSP hybrid system to analyze the dynamic responses of several key parameters, such as the solar radiation saltation or linear variation to represent the typical weather variations. The results show that the hybrid system could rapidly reach the steady state in less than about 53 s after the solar radiation saltation increases or decreases by 10%. The response time reflects that the thermal hysteresis of the hybrid system is mainly determined by varying the outlet temperature of R134a from the solar thermal receiver. Meanwhile, when the solar radiation changes linearly, a lower gradient is beneficial to remit the thermal hysteresis of the hybrid system and improve the thermal stability, and the parameters could be treated as the steady state values with a gradient of less than 0.2 W m−2 s−1. Afterward, the quasi-steady state model was used to analyze the all-day dynamic performance of the hybrid system. It shows that the power output and the flow rate are directly related to the direct normal irradiance (DNI), while the outlet temperature of R134a vapor could be almost constant except for the starting and stopping periods.


concentrating photovoltaic concentrating solar power transient simulation solar radiation disturbance dynamic performance 


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Copyright information

© Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Xue Han
    • 1
  • Chao Xu
    • 1
    Email author
  • XinYu Pan
    • 1
  • Xing Ju
    • 1
  • XiaoZe Du
    • 1
  1. 1.Key Laboratory of Condition Monitoring and Control for Power Plant Equipment of MOENorth China Electric Power UniversityBeijingChina

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