Support tensor machine based neutral point grounding mode decision method and system

A support tensor machine based neutral point grounding mode decision system, comprising:

• a power supply reliability related index calculation unit to construct a power supply reliability evaluation system according to a topological structure of a medium voltage distribution network and calculate a related index;
• a safety-related index calculation unit to calculate a safety-related index of the distribution network according to related factors that affect the safety;
• an economical efficiency-related index calculation unit to construct an economic evaluation index system of the distribution network and calculate a related index;
• a multi-index tensor data constructing and decomposing unit to construct the power supply reliability index, the safety index of the distribution network and the economic evaluation index of the distribution network into a tensor form and decompose the tensor form;
• and
• an optimal neutral point grounding mode determining unit to construct a support tensor machine kernel function, determine an optimization function and obtain an optimal neutral point grounding mode via analysis.