Control strategy of the module concrete thermal energy storage for parabolic trough power plants

被引：5
|
作者：
Jian, Y. [1 ]
Bai, F. [1 ]
Falcoz, Q. [2 ]
Wang, Z. [1 ]
机构：
[1] Chinese Acad Sci, Inst Elect Engn, Key Lab Solar Thermal Energy & Photovolta Syst, Beijing 100190, Peoples R China
[2] CNRS PROMES, Lab Proc Mat & Energie Solaire, F-66120 Font Romeu, France
来源：
INTERNATIONAL CONFERENCE ON CONCENTRATING SOLAR POWER AND CHEMICAL ENERGY SYSTEMS, SOLARPACES 2014 | 2015年 / 69卷
关键词：
Solar thermal power; Concrete; Control strategy; Solid media sensible heat storage;
D O I：
10.1016/j.egypro.2015.03.167
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
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%. (C) 2015 Published by Elsevier Ltd.
引用
收藏
页码：891 / 899
页数：9
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