Equipment Failure Rates: Motor
MOTOR-1983-SYNC-MV to MOTOR-1983-WR-MV
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) | mttr hours (h) | standard | survey | unit years (unit-years) |
|---|---|---|---|---|---|---|---|---|---|
| Motor | MOTOR-1983-SYNC-MV | Motor synchronous 1001-5000 V (1983 survey) | 0.0762 | 35 | 16 | 78.9 | IEEE Std 3006.8-2018 | IEEE 1983 Motor Survey | 459.3 |
| Motor | MOTOR-1983-WR-LV | Motor wound rotor 0-1000 V (1983 survey) | 0.073 | 10 | — | — | IEEE Std 3006.8-2018 | IEEE 1983 Motor Survey | 137 |
| Motor | MOTOR-1983-WR-MV | Motor wound rotor 1001-5000 V (1983 survey) | 0.0319 | 8 | — | — | IEEE Std 3006.8-2018 | IEEE 1983 Motor Survey | 251.1 |
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