Wind and solar power generation are fluctuated and uncertainty. The utility grid will be affected seriously if high ratio wind power is merged. The rapid development of energy storage technology brings to efficient utilization of new energy. This paper introduces an integrated control strategy of smoothing power fluctuations and peak shaving based on HESS (hybrid storage energy system) with super-capacitor and battery. The generated power fluctuations of the wind/photovoltaic (PV)/HESS will be controlled under constraints by low-pass filter. Meanwhile the grid peak load will be shifted by integration power forecasting with storage plan management of future 24 hours. The integrated control strategy can realize the power smooth and load shifting effectively. The feasibility of the control method is verified by MATLAB/SIMULINK.
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Pan et al. (2016) studied this question.
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