Journal of Modern Power Systems and Clean Energy

ISSN 2196-5625 CN 32-1884/TK

Economics of energy storage technology in active distribution networks
Author:
Affiliation:

1. South China University of Technology, Guangzhou, 510640, Guangdong, China 2. Electric Power Research Institute of Guangdong Power Grid Co. Ltd., Guangzhou, 510080, Guangdong, China

Fund Project:

National High Technology Research and Development Program of China (863 Program) (No. 2012AA050212)

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    Abstract:

    An economic and environmental evaluation of active distribution networks containing lithium ion batteries (Li-ion), sodium sulfur batteries (NaS) and vanadium redox flow batteries (VRB) was carried out using the EnergyPLAN software. The prioritization schemes of the combination of energy storage systems and intermittent energy systems were studied technically and economically based on some specific situations of the grid integrated with wind power. The results suggest that the technical and economic optimal intermittent energy-storage capacity ratio was 2:1 in predetermined energy system scenarios. Li-ion batteries storage system performed the best in critical excess electricity production (CEEP) absorption, energy saving and emission reduction while NaS batteries storage system was the most competitive among the three due to its cheaper costs.

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  • Received:
  • Revised:
  • Adopted:
  • Online: December 01,2015
  • Published: