Equipment Failure Rates: Drive
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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Drive | E14-100 | Drive, adjustable speed | 0.030395 | 96 | 22.1 | 288,201 | 3.45 | 15.51 | IEEE Std 3006.8-2018 Table 2 | USACE_PREP | 3,158.4 |
| Drive | E14-200 | Drive, variable frequency | 0.053032 | 73 | 7.59 | 165,183 | 1.28 | 9.07 | IEEE Std 3006.8-2018 Table 2 | USACE_PREP | 1,376.5 |
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