Research Article

Modeling the Causes of Power-Related Network Outages Using Discrete-Time Markov Chains

Table 4

Transition probability matrix for the causes of network outages.

123456789101112

10.170.080.080.030.010.0200.050.450.050.050.01
20.090.120.090.0700.020.010.030.480.030.040.02
30.060.060.280.0500.0100.040.440.010.040.01
40.090.080.080.140.010.010.010.020.450.010.090.01
50.22000.060.170000.500.0500
60.110.050.030.1400.1400.030.430.030.040
70.0500.150.100.050.050.0500.250.150.150
80.090.030.140.0400.020.010.150.400.020.070.03
90.050.070.090.0400.010.010.060.570.030.060.01
100.050.030.060.070.020.020.010.030.480.170.060
110.070.080.070.050.010.020.010.030.420.040.180.02
120.030.030.030.0900000.7200.070.03

1 = AC circuit breakers, 2 = AC transfer switch, 3 = batteries, 4 = commercial AC, 5 = communication equip., 6 = DC fuse/CB, 7 = environmental systems, 8 = fuel issues, 9 = generators, 10 = hybrid failure, 11 = rectifiers, 12 = temperature.