Power Grid-Oriented Cascading Failure Vulnerability Identifying Method Based on Wireless Sensors

Figure 9

Under three attack strategies, the speed of cascade effect (axis ) is after attacking nodes (axis ). (a) is an image with equal to 0.2. (b) is an image with equal to 0.4. (c) is an image with equal to 0.6,.(d) is an image with equal to 0.8.

(a)

(b)

(c)

(d)