A Novel Pumped Hydro Combined with Compressed Air Energy Storage System

Huanran Wang, Liqin Wang, Xinbing Wang and Erren Yao
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Huanran Wang: School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China
Liqin Wang: School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China
Xinbing Wang: School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China
Erren Yao: School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China

Energies, 2013, vol. 6, issue 3, 1-14

Abstract: A novel pumped hydro combined with compressed air energy storage (PHCA) system is proposed in this paper to resolve the problems of bulk energy storage in the wind power generation industry over an area in China, which is characterised by drought and water shortages. Thermodynamic analysis of the energy storage system, which focuses on the pre-set pressure, storage volume capacity, water air volume ratio, pump performance, and water turbine performance of the storage system, is also presented. This paper discovers how such parameters affect the performance of the whole system. The ideal performance of this novel system has the following advantages: a simple, highly effective and low cost structure, which is comparable to the efficiency of a traditional pumped hydro storage system. Research results show a great solution to the current storage constraints encountered in the development of the wind power industry in China, which have been widely recognised as a bottleneck in the wind energy storage industry.

Keywords: energy storage; compressed air; pumped hydro storage; thermodynamics (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2013
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (20)

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