[Retracted] Research on Dynamic Assessment System of Composite Fault Risk of Transmission Line Based on Blockchain Energy

Table 4

Evaluation index value and score.

Basic level failure probability index (weight, score)	Grass root index	Weight	Index value	Score
Equipment level (0.55, 15.0)	Insulation rate of overhead line	0.067	58.0	56.5
	Proportion of overhead lines that do not meet; lightning protection standards	0.039	17.0	22.7
	Proportion of overhead lines that do not meet; antipollution standards	0.039	15.0	20.0
	Direct burial ratio of cable line	0.039	27.0	54.9
	Proportion of cables without compression; measures on roads	0.010	31.0	42.1
	Proportion of maintenance free equipment	0.107	77.0	23.0
	Proportion of less maintenance equipment	0.107	83.0	17.0
	Oilless rate of circuit breaker	0.089	86.0	25.0