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Energies 2015, 8(6), 4802-4826; doi:10.3390/en8064802

Optimization and Analysis of a Hybrid Energy Storage System in a Small-Scale Standalone Microgrid for Remote Area Power Supply (RAPS)

1
State Key Laboratory of Power Transmission Equipment & System Security, Chongqing University, Chongqing 400044, China
2
State Grid Sichuan Electric Power Company Meishan Power Supply Company, Meishan 620010, China
*
Author to whom correspondence should be addressed.
Academic Editor: Neville Watson
Received: 12 January 2015 / Accepted: 7 May 2015 / Published: 26 May 2015
(This article belongs to the Special Issue Microgrids)
View Full-Text   |   Download PDF [586 KB, uploaded 26 May 2015]   |  

Abstract

The analysis and application of hybrid energy storage systems (HESSs) in small-scale standalone microgrids for remote area power supply (RAPS) has received extensive attention. This application mode has its own characteristics which must be considered but have not been considered in the existing research. To reflect the common satisfaction of load demands and maximize the utilization of renewable energy in a standalone microgrid, a new index named effective rate of energy storage system (ESS) is proposed. To reflect the true work state of supercapacitor ESS (SC-ESS), the second-level data of field measurements is used in calculation and analysis. To further enhance the operational performance of the HESS, a coordinated control strategy based on state cooperation is adopted. To get a more reasonable and more credible HESS optimization model, the comparison of existing models and proposed model with different considerations on cost and life is provided. In addition, a comparative analysis of technical and economic characteristics improvements is presented for different ESS application schemes in practical projects. View Full-Text
Keywords: small-scale standalone microgrid; HESS; ESS effective rate; coordinated control strategy; cost and life; technical and economic optimization small-scale standalone microgrid; HESS; ESS effective rate; coordinated control strategy; cost and life; technical and economic optimization
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Li, F.; Xie, K.; Yang, J. Optimization and Analysis of a Hybrid Energy Storage System in a Small-Scale Standalone Microgrid for Remote Area Power Supply (RAPS). Energies 2015, 8, 4802-4826.

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