Performance evaluation and parametric choice criteria of a Brayton pumped thermal electricity storage system

被引：54
作者：
Guo, Juncheng [1 ]
Cai, Ling [2 ]
Chen, Jincan [3 ]
Zhou, Yinghui [3 ]
机构：
[1] Fuzhou Univ, Coll Phys & Informat Engn, Fuzhou 350116, Peoples R China
[2] State Ocean Adm, Inst Oceanog 3, Xiamen 361005, Peoples R China
[3] Xiamen Univ, Dept Phys, Xiamen 361005, Peoples R China
来源：
ENERGY | 2016年 / 113卷
基金：
中国国家自然科学基金;
关键词：
Pumped thermal electricity storage system; Brayton cycle; Irreversible loss; Performance evaluation; Parametric optimum design; ENERGY-STORAGE; THERMODYNAMIC ANALYSIS; WIND POWER; REFRIGERATION CYCLES; CONCEPTUAL DESIGN; HEAT INTEGRATION; MAXIMUM POWER; OPTIMIZATION; TEMPERATURE; SIMULATION;
D O I：
10.1016/j.energy.2016.07.080
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A more realistic thermodynamic model of the pumped thermal electricity storage (PTES) system consisting of a Brayton cycle and a reverse Brayton cycle is proposed, where the internal and external irreversible losses are took into account and several important controlling parameters, e.g., the pressure ratio and heat flows of the two isobaric processes in the Brayton cycle, are introduced. Analytic expressions for the round trip efficiency and power output of the PTES system are derived. The general performance characteristics of the PTES system are revealed. The optimal relationship between the round trip efficiency and the power output is obtained. The influences of some important controlling parameters on the performance characteristics of the PTES system are discussed and the optimally operating regions of these parameters are determined. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：693 / 701
页数：9
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