Abstract

Now, Smart Grid and Ubiquitous Power Internet of Things are booming in China. The degree of coupling between the grid and the power communication system determines the degree of development of Smart Grid and Ubiquitous Electric Internet of Things. The rapid growth of Smart Grid has resulted in the risk transfer of Smart Grid Communication Systems with many levels and a strong correlation of indicators. This paper sorts out the risk indicators and provides a three-layer risk transfer network considering equipment, environment, business and operational dimension. Moreover, the triangular fuzzy number and DS evidence theory are used to assign the Bayesian network root node probability. At last, this paper identifies the risk element of SGCS and proposes preventive measures.

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