Wind energy storage system by SOC balancing control for a stand-alone windmill

  • Vijay Rakada Attuluri VFSTR UNIVERSITY
  • Suresh K
  • Srinivasa Rao G
Keywords: wind energy, SOC, energy storage, stand-alone system.

Abstract

Fluctuating nature of wind is not suitable for stand-alone operation, so this unstable wind has to make stable. To make stable wind source boost converter with controller, bidirectional converter with controller and energy storage devices are mandatory. During boost operation the parameter voltage only boosted in the output side and power is constant, so maintaining constant power is required. To maintain this constant power wind speed consideration is important one. This concept is applicable for both boost DC-DC Converter and Bidirectional DC-DC Converter (BDC). Estimation of Battery State of Charge (SOC) is an important task to maintain effective operation as well as protect battery from ageing. Charging and discharging is a cyclic process of battery but effective process is required. Several methods are using to battery estimate battery SOC, but coulomb counting method is an effective method for battery charging-discharging operations. This paper proposes consideration of battery SOC and wind speed for effective wind harnessing operation of wind. The proposed system is design from MATLAB/Simulink and validates the system in Hardware prototype model in order to SOC Balancing control.

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Published
2018-06-02
How to Cite
Attuluri, V., K, S., & G, S. R. (2018). Wind energy storage system by SOC balancing control for a stand-alone windmill. Majlesi Journal of Electrical Engineering, 13(2). Retrieved from http://mjee.iaumajlesi.ac.ir/index/index.php/ee/article/view/2741
Section
Articles