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FAA L830 Transformer Qualification

4.2.4 Temperature Rise (confirmation)

All samples were within the specification as shown below.
Temperature Rise (°C)
Rated Load Short Circuit Open Circuit
Sample # Primary Secondary Primary Secondary Primary Secondary
1 41.53 38.97 32.1 31.41 48.3 35.13
2 44.37 41.12 37.68 40.57 48.28 43.63
3 36.98 35.57 35.57 35.32 46.64 40.95
Spec. Max. 55 55 55 55 55 55

For actual resistance measurements see the Test Report, page 10.