Table 2: Discretization rules of the transformer operational risk assessment data.

ItemOriginal data scopeDiscretized dataOriginal data scopeDiscretized dataOriginal data scopeDiscretized data

A0.000~0.50000.501~1.00011.001~1.5002
B0.000~5.00005.001~10.000110.001~20.0002
C0.000~0.50000.501~1.00011.001~3.0002
D0.000~0.90000.901~1.80011.001~2.7002
E0.000~0.50000.501~1.50011.501~3.0002
F0.000~0.50000.501~1.00011.001~10.0002
G0.000~0.30000.301~0.60010.601~0.9002