Control Strategy of the Module Concrete Thermal Energy Storage for Parabolic Trough Power Plants. (May 2015)

• Record Type: Journal Article
• Authors: Jian, Y.; Bai, F.; Falcoz, Q.; Wang, Z.
• Is Part Of: Energy procedia. Volume 69(2015)
• Page Start: 891
• Page End: 899
• Publication Date: 2015-05
• Subjects: Solar thermal power -- Concrete -- Control strategy -- Solid media sensible heat storage; Power resources -- Congresses; Power resources -- Periodicals; Power resources; Conference proceedings; Periodicals; 333.7905
• DOI: 10.1016/j.egypro.2015.03.167
• Languages: English
• ISSNs: 1876-6102

Abstract

Abstract: Solid sensible heat storage is an attractive option for high-temperature storage applications in terms of investment and maintenance costs. Typical solid thermal energy storage systems use a heat transfer fluid to transfer heat as the fluid flows through a tubular heat exchanger embedded in the solid storage material. A one-dimensional unsteady model is developed using the modified lumped capacitance method for a solid cylindrical heat storage unit. A modular charging/discharging control strategy is proposed to improve utilization of the solid storage material. The control strategy of modular charging/discharging using two modules could increase the storage material utilization from 33.4% to 38%.