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Research on Modular Low-Pressure Compressed Air Energy Storage System Based on Wind Power Consumption

机译：基于风能消耗的模块化低压压缩空气储能系统研究

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It is an important research direction to absorb wind power by using the flexible response characteristics of energy storage system. However, the conversion efficiency of high-pressure system will decrease in the process of temperature rise. For this reason, this paper proposes the modular compressed air energy storage system (CAES) in low-pressure whose characteristics can be described by isentropic theory, which can simplify the theoretical analysis and avoid efficiency decrease of the high-pressure CASE. At the same time, the system based on the modular energy storage unit, can control the charge and discharge efficiency according to the wind power fluctuation, so as to effectively absorb wind power. The experiments show that the system has high energy density when the cylinders exhaust in sequence, and has high power density when exhaust at the same time, which can well match the wind power fluctuation.
机译：利用储能系统的柔性响应特性，吸收风电是一个重要的研究方向。但是，高压系统的转换效率会随着温度的升高而降低。为此，本文提出了一种模块化的低压空气储能系统（CAES），其特征可以用等熵理论来描述，它可以简化理论分析并避免高压CASE的效率下降。同时，基于模块化储能单元的系统，可以根据风能波动来控制充放电效率，从而有效地吸收风能。实验表明，该系统在汽缸依次排气时具有较高的能量密度，而在同时排气时具有较高的功率密度，可以很好地匹配风能波动。

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