Research Article

N − 1 Security Criteria Based Integrated Deterministic and Probabilistic Framework for Composite Power System Reliability

Table 3

Criticality of transmission lines based on EPI.

RangeCategory

EPI ≥ 0.8Most critical (MC)
0.3 ≤ EPI < 0.8Critical (C)
EPI < 0.3Not critical (NC)