Equipment Failure Rates: Battery
E02-110 to E02-130
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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Battery | E02-110 | Battery, gel cell-sealed | 0.01706 | 53 | 0.15 | 513,496 | 0.13 | 2 | IEEE Std 3006.8-2018 Table 2 | USACE PREP | 3,106.8 |
| Battery | E02-120 | Battery, lead acid | 0.012941 | 65 | 4.31 | 676,894 | 0.25 | 24.08 | IEEE Std 3006.8-2018 Table 2 | USACE PREP | 5,022.6 |
| Battery | E02-130 | Battery, nickel-cadmium | 0.000588 | 3 | 0.16 | 14,889,985 | 0.16 | 10.33 | IEEE Std 3006.8-2018 Table 2 | USACE PREP | 5,099.3 |
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