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2011•Applied Mechanics and MaterialsOpen access

Performance Analysis of CAES Power Plant Energy Storage Sub-System for Wind Power

Wen Yi Liu, Gang Xu, Yong Yang

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Abstract

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. It can meet the challenge of load fluctuations of wind power especially. In CAES technology, air is compressed with a motor/generator using low cost, off-peak or discarded electricity from wind power and stored underground in caverns or porous media. This is called energy storage subsystem. The energy storage subsystem of CAES include: compressing air process and air lose heat process. The equipments of it are organized with different schemes in this paper. Optimization and performance simulation of it are made. The performance data are contrasted.

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What this paper is about

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. It can meet the challenge of load fluctuations of wind power especially. In CAES technology, air is compressed with a motor/generator using low cost, off-peak or discarded electricity from wind power and stored underground in caverns or porous media. This is called energy storage subsystem. The energy storage subsystem of CAES include: compressing air process and air lose heat process. The equipments of it are organized with different schemes in this paper. Optimization and performance simulation of it are made. The performance data are contrasted.

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Available abstract

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. It can meet the challenge of load fluctuations of wind power especially. In CAES technology, air is compressed with a motor/generator using low cost, off-peak or discarded electricity from wind power and stored underground in caverns or porous media. This is called energy storage subsystem. The energy storage subsystem of CAES include: compressing air process and air lose heat process. The equipments of it are organized with different schemes in this paper. Optimization and performance simulation of it are made. The performance data are contrasted.

Key concepts: Compressed air energy storage, Pumped-storage hydroelectricity, Compressed air, Energy storage, Wind hybrid power systems, Wind power, Engineering, Power station

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