Equipment Failure Rates: Surge_Arrester
Equipment failure rates, MTBF, MTTR, and downtime statistics for electrical and mechanical plant equipment. Primary data from the USACE PREP reliability database (IEEE Std 3006.8-2018 Table 2), covering ~280 equipment classes. Supplemental data from IEEE motor and transformer surveys.
| equipment type | class code | description | failure rate per year (failures/year) | failures (count) | mdt hours (h) | mtbf hours (h) | mttm hours (h) | mttr hours (h) | standard | survey | unit years (unit-years) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Surge_Arrester | E01-000 | Surge arrester, surge and | 0.00644 | 12 | 11.66 | 1,360,290 | 12.28 | 9.5 | IEEE Std 3006.8-2018 Table 2 | USACE_PREP | 1,863.4 |
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