Hybrid Energy Storage System to Stabilize the Power Fluctuation of Wind Power

Abstract:

Since distributed power generation equipment such as wind power contain electric power fluctuation connected into the power grid, hybrid energy storage (HESS) equipment for power compensation is used to solve the problems of reliability and operation of the utility power grid. Constant power control and Fuzzy-Rules-based control of AC-DC and BESS is proposed for smoothing the random wind power fluctuations, considering the operating constraints of the HESS, such as state of charge (SOC) and wind power (Pout). The simulation is accomplished by using a 9MW wind farm and the HESS in Matlab, The results show that by the proposed control methods of the bi-directional DC-DC converter and the DC-AC converter, the energy storage system can smooth the wind power outputs and provide reactive power support to the grid.

• Periodical: Advanced Materials Research (Volumes 608-609)
• Pages: 487-493
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.608-609.487
• Online since: December 2012
• Authors: Zuo Xia Xing*, Guan Feng Zhang, Jin Song Liu, Xing Jia Yao
• Keywords: Fuzzy Control, Hybrid Energy Storage, Power Fluctuation, Wind Power

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