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When there is a power failure in distribution network, commercial building microgrid (CBMG) can be operated autonomously to guarantee the reliability of power supply. In order to reduce the influence of power outage and improve the reliability of power supply, this paper presents a novel emergency energy management (EEM) strategy, which is composed of EEM model and rolling optimization strategy. EEM model can determine the operation statues of energy storage system (ESS) and controllable loads, considering the intermittent solar energy and the fluctuations of loads. Rolling optimization strategy is proposed to reduce the prediction errors of photovoltaic (PV) output. A comprehensive result obtained from comparison simulations has shown that the proposed EEM strategy is efficacious in reducing the impact of blackout and improving the reliability of power supply. Additionally, the sensitivity analysis is carried out in case study section, and different sensitivity coefficients will considerably affect the optimization results.
Cui et al. (Wed,) studied this question.
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