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Solarthermal parabolic trough power plants with integrated storage capacity

Author

Listed:
  • Wolf-Dieter Steinmann
  • Markus Eck
  • Doerte Laing

Abstract

Parabolic trough power plants use concentrated direct insulation for steam generation in a Rankine cycle. The fundamentals for direct steam generation in parabolic troughs have been developed in recent years, the feasibility was successfully demonstrated at a solar powered test facility reaching steam temperatures of 400°C at a maximum pressure of 100 bar. Important components for the accelerated market penetration of solarthermal power plants are cost-effective local storage systems. Main benefits of storage systems are: extended utilisation of the power block, improved efficiency of components and facilitated integration into the electricity system. Within the R&D project WESPE, a test facility for solid sensible heat storage is developed and connected to a solar collector loop. A simulation tool for the analysis of the transient performance of the storage system integrated into the power plant was implemented. The results show a significant potential for economic optimisation by applying advanced operation strategies based on an improved adaptation of the storage unit to the characteristics of solar collectors and power cycle.

Suggested Citation

  • Wolf-Dieter Steinmann & Markus Eck & Doerte Laing, 2005. "Solarthermal parabolic trough power plants with integrated storage capacity," International Journal of Energy Technology and Policy, Inderscience Enterprises Ltd, vol. 3(1/2), pages 123-336.
    • Handle: RePEc:ids:ijetpo:v:3:y:2005:i:1/2:p:123-336
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    Cited by:

    1. Cingarapu, Sreeram & Singh, Dileep & Timofeeva, Elena V. & Moravek, Michael R., 2015. "Use of encapsulated zinc particles in a eutectic chloride salt to enhance thermal energy storage capacity for concentrated solar power," Renewable Energy, Elsevier, vol. 80(C), pages 508-516.
    2. Jian, Yongfang & Falcoz, Quentin & Neveu, Pierre & Bai, Fengwu & Wang, Yan & Wang, Zhifeng, 2015. "Design and optimization of solid thermal energy storage modules for solar thermal power plant applications," Applied Energy, Elsevier, vol. 139(C), pages 30-42.

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