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E38-111 — Transformer

Equipment Type
Transformer
Class Code
E38-111
Description
Transformer, dry, Air cooled, ≤
Failure Rate per Year (failures/year)
0.002625
Failures (count)
226
Mdt Hours (h)
2.33
Mtbf Hours (h)
3,337,148
Mttm Hours (h)
2.36
Mttr Hours (h)
2.13
Standard
IEEE Std 3006.8-2018 Table 2
Survey
Usace Prep
Unit Years (unit-years)
86,095.4

Source: IEEE Std 3006.8-2018 Table 2

Transformer — class code E38-111 · failure rate per year 0.002625 failures/year · unit years 86095.4 unit-years · mdt hours 2.33 h · failures 226 count | Equipment Failure Rates | Engineering Database