压缩空气蓄能(CAES)系统集成及性能计算  

OPTIMIZATION AND PERFORMANCE SIMULATION OF DIFFERENT CAES SYSTEMS

作　　者：刘文毅[1] 杨勇平[1] 宋之平[1] 

机构地区：[1]华北电力大学动力工程系能源安全与清洁利用重点实验室,北京102206

出　　处：《工程热物理学报》2005年第z1期25-28,共4页Journal of Engineering Thermophysics

基　　金：北京市自然科学基金资助项目(No.3053019)

摘　　要：压缩空气蓄能(CAES)系统是一种新型电能存储系统,具有动态响应快、经济性能高、环境污染小等优点,可起到负荷平衡、战略规划、提高供电质量的作用。CAES系统包括空气压缩机、电动机/发电机、地下贮气室、换热器、燃烧室、燃气轮机等常用设备,可分为两个子系统,分别是蓄能子系统和发电子系统,通过对设备采取不同组态,可得到不同方案系统。本文将结合当前CAES发展的新技术,提出CAES系统的集成方案并进行相应的计算与优化。Compressed Air Energy Storage (CAES) is besides pumped hydropower, the other solution for large energy storage capacity. It can balance fluctuations in supply and demand of electricity. In CAES technology, air is compressed with a motor/generator using low cost, off-peak electricity and stored underground in caverns or porous media. This is called energy storage subsystem. This pressurized air is released from the ground and then be mixed and burned with gas in a combustor. The hot expanding gases drive a turbo expander and run a motor/generator which, in turn, produces electricity during peak demand periods. This is the other subsystem, electricity generation subsystem. The equipments of CAES are organized with different schemes in this paper. Optimization and performance simulation of different CAES systems are made. The different performance calculation methods are adduced, i.e. thermal efficiency, exergy efficiency, heat rate & electricity rate and conversion thermal efficiency. The performance data are contrasted. With this CAES is now ready for the challenge of future energy markets.

关 键 词：压缩空气蓄能(CAES) 性能计算 优化 

分 类 号：TK01[动力工程及工程热物理]