Research Article
Modeling the Causes of Power-Related Network Outages Using Discrete-Time Markov Chains
Table 1
Measures of central tendency.
| | Number of outages | Mean | Median | 5% Trimmed mean |
| AC circuit breakers | 186 | 67.04 | 37 | 45.29 | AC transfer switch | 190 | 66.95 | 49 | 56.16 | Batteries | 304 | 48.60 | 14 | 21.86 | Commercial AC | 138 | 47.93 | 29.50 | 39.76 | Communication equip. | 18 | 45.28 | 40.50 | 40.81 | DC fuse/CB | 37 | 92.35 | 58 | 66.39 | Environmental systems | 20 | 358.95 | 284 | 324.69 | Fuel issues | 140 | 1,027.82 | 56 | 67.71 | Generators | 1,404 | 70.23 | 45 | 53.09 | Hybrid failure | 104 | 71.28 | 47 | 57.08 | Rectifiers | 183 | 94.24 | 57 | 73.40 | Temperature | 32 | 35.19 | 31.50 | 32.31 |
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