Critical System Cascading Collapse Assessment for Determining the Sensitive Transmission Lines and Severity of Total Loading Conditions

Table 2

Estimated average probability of cascading collapse 𝜇(𝑃_𝐶𝑖) of each initial line tripping due to the effect of hidden failure for IEEE-RTS96.

𝑝HF=1×10^−12		𝑝HF=8×10^−7		𝑝HF=1×10^−2
Initial line tripping	𝜇(𝑃𝐶𝑖); (per unit)	Initial line tripping	𝜇(𝑃𝐶𝑖); (per unit)	Initial line tripping	𝜇(𝑃𝐶𝑖); (per unit)
318–223	0.08445	318–223	0.08359	112-113	0.05128
112-113	0.07736	112-113	0.07741	318–223	0.03932
113–123	0.03584	113–123	0.03558	113–123	0.02111
215-216	0.03110	123–217	0.03154	123–217	0.01473
123–217	0.03073	215-216	0.02996	215-216	0.01370
216-217	0.02585	216-217	0.02567	216-217	0.01235
203–209	0.01712	203–209	0.01742	109–112	0.00916