Method and device for estimating capacity of air storage chamber of compressed air energy storage system

A technology of compressed air energy storage and gas storage chamber, which is applied in the field of gas storage chamber capacity estimation

Active Publication Date: 2019-03-29
TSINGHUA UNIV +4
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  • Application Information

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Problems solved by technology

[0004] In order to solve the problem of estimating the capacity of the gas storage chamber of the compressed air energy storage system, the embodiments

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  • Method and device for estimating capacity of air storage chamber of compressed air energy storage system
  • Method and device for estimating capacity of air storage chamber of compressed air energy storage system

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Embodiment Construction

[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0024] figure 1 A schematic flowchart of a method for estimating the capacity of an air storage chamber of a compressed air energy storage system provided in an embodiment of the present invention, as shown in figure 1 As shown, an embodiment of the present invention provides a method for estimating the capacity of an air storage chamber of a com...

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Abstract

The embodiment of the invention provides a method and a device for estimating the capacity of an air storage chamber of a compressed air energy storage system. Based on the operation state of the compressed air energy storage system, the aerodynamic principle of the air storage chamber and the thermal coupling effect of the surrounding rock of the air storage chamber, the air temperature change curve and the air pressure change curve of the air storage chamber are obtained. According to the air temperature curve, the air pressure curve and the second law of thermodynamics, the storage capacitycalculation model of the gas storage chamber is obtained. In accordance with storage capacity calculation model and a preset target ( storage capacity, the target capacity of the gas storage chamberis determined. Considering the aerodynamic principle of the gas storage chamber and the thermal coupling of the surrounding rock, Combined with the running state of compressed air energy storage system, the calculation of the storage capacity of the gas storage chamber is accurately modeled in order to achieve accurate evaluation of the capacity of the gas storage tank. The method can effectivelybalance the rapidity and accuracy of capacity estimation, can be used for early planning and design of compressed air energy storage system.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of renewable energy energy storage, and more specifically, to a method and device for estimating the capacity of an air storage chamber of a compressed air energy storage system. Background technique [0002] At present, energy storage is one of the important ways to solve the challenges brought by the high penetration of renewable energy to the power grid. Energy storage can effectively alleviate the impact of renewable energy on the grid and improve the flexible adjustment capability of the grid. Compressed air energy storage technology (CAES) is a clean large-scale physical energy storage technology. Different from other technologies, the compressed air energy storage system realized by compressed air energy storage technology has long service life, large storage capacity, The characteristics of relatively low requirements and low cost are one of the most promising technologies to s...

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/20
Inventor 林其友梅生伟潘静傅中陈来军刘亚南卢强陈锋郑天文薛小代
Owner TSINGHUA UNIV
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