A THEORETICAL OVERVIEW OF COMPRESSED AIR ENERGY STORAGE TECHNOLOGIES AND DEVELOPMENTS

Ecological Engineering and Environment Protection Pub Date : 2022-11-20 DOI:10.32006/eeep.2022.2.3044

Leila Bakhtiari, D. Karamanev

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Abstract

In our modern world, technological developments on the one hand, and global warming and its consequences, on the other hand, cause us to feel the necessity for reliable, cost-effective, and clean energy. Using renewable energy sources paired with compressed air energy storage can be a good option that meets these expected criteria. Although a compressed air energy storage system (CAES) is clean and relatively cost-effective with long service life, the currently operating plants are still struggling with their low round trip efficiencies. This paper illustrates an up-to-date review of compressed air energy storage systems containing changes in the conventional process to improve performance and increase efficiency. Three main categories of compressed air energy storage technology, diabatic, adiabatic, and isothermal, are analyzed theoretically. In addition, three components of a compressed air energy storage system including compression system, reservoirs, and expansion system are discussed here in detail. The advantages, disadvantages, and the technological readiness of different types of CAES are discussed.

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压缩空气储能技术及其发展的理论概述

在我们的现代世界，一方面是技术的发展，另一方面是全球变暖及其后果，使我们感到需要可靠、经济、清洁的能源。使用可再生能源与压缩空气储能相结合是满足这些预期标准的一个很好的选择。尽管压缩空气储能系统(CAES)清洁，使用寿命长，成本效益相对较低，但目前运行的工厂仍在努力解决其低往返效率的问题。本文说明了压缩空气储能系统的最新审查包含在常规过程的变化，以提高性能和提高效率。从理论上分析了压缩空气储能技术的三大类:绝热、绝热和等温。此外，还详细讨论了压缩空气储能系统的三个组成部分:压缩系统、储气罐和膨胀系统。讨论了不同类型CAES的优点、缺点和技术成熟度。

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Ecological Engineering and Environment Protection

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