Abstract
AbstractAlthough the electric vehicle supplied through distributed generators (DGs) is one of the most promising methods to reduce carbon emission and has been widely studied, the accurate current sharing regarding multi‐bus DC charging stations considering uncertainties and network attacks is rarely studied. Based on this, a fully distributed current sharing control strategy is presented, which can improve the reliability of system under denial of service (DoS). Firstly, the DC charging station system (DCCSS) with uncertainties is modelled. Primary control is designed to provide stable voltage and inaccurate current sharing. Furthermore, the state‐space function considering power coupling among different DC buses is built, which lays the foundation for the design of the following control. Then, the model of DoS attacks is proposed. Based on this, the fully distributed consensus control is proposed to achieve the accurate current sharing for DCCSS under DoS. Meanwhile, a method for solving the control gain without global information is given and proved. Moreover, it can be solved by LMI toolbox. As a comparison, a common control strategy is introduced that only considers the uncertainties. Finally, the feasibility of the proposed method is verified through comparison of simulation results.
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