Energy Storage Control with Aging Limitation

Abstract : Energy Storage Systems (ESS) are often proposed to mitigate the fluctuations of renewable power sources like wind turbines. In such a context, the main objective for the ESS control (its energy management) is to maximize the performance of the mitigation scheme. However, most ESS, and electrochemical batteries in particular, can only perform a limited number of charge/discharge cycles over their lifetime. This limitation is rarely taken into account in the optimization of the energy management, because of the lack of an appropriate formalization of cycling aging. We present a method to explicitly embed a limitation of cycling aging, as a constraint, in the control optimization. We model cycling aging with the usual ``exchanged energy'' counting method. We demonstrate the effectiveness of our aging-constrained energy management using a publicly available wind power time series. Day-ahead forecast error is minimized while keeping storage cycling just under an acceptable target level.
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Submitted on : Tuesday, July 7, 2015 - 11:51:08 AM
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Pierre Haessig, Hamid Ben Ahmed, Bernard Multon. Energy Storage Control with Aging Limitation. PowerTech 2015, IEEE, Jun 2015, Eindhoven, Netherlands. ⟨10.1109/PTC.2015.7232683⟩. ⟨hal-01147369⟩

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