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随着智能电网的发展,信息网络的安全评估影响着智能电网安全运行。利用可信性理论与改进的层次分析法,结合智能电网网络结构特征,从广域网、接入网、企业本地网、现场区域网和用户驻地网及家庭用户5个方面评估了信息网络对智能电网安全运行的影响。并针对以上情况提出安全防护策略,以提高智能电网运行可靠性,从而为电网的发展和用户用电安全提供了指导依据。
With the development of smart grid, the safety evaluation of information network affects the safe operation of smart grid. Based on the credibility theory and the improved analytic hierarchy process (AHP), combined with the characteristics of smart grid network structure, this paper evaluates the impact of information network on smart grid from five aspects: WAN, access network, enterprise local area network, on-site area network and customer premises network and home users The impact of safe operation. In order to improve the operational reliability of the smart grid, a security strategy is put forward according to the above situation, which provides a basis for the development of power grid and the safety of users.