Security Assessment of Coal Mine Power Grid Voltage Based on an Improved AHP-FCE

Table 1

Meaning of the scale.

Scale	Meaning
1	Comparing the two factors, both are equally important
3	Comparing the two factors, the former is slightly more important than the latter
5	Comparing the two factors, the former is more important than the latter
7	Comparing the two factors, the former is certainly more important than the latter
9	Comparing the two factors, the former is much more important than the latter
2, 4, 6, and 8	The judgment is between the two adjacent judgments