Table 5 Comparison of temperature rise and relative error at each temperature measurement point under 100% load rate.

From: Research on multi-physical field coupling modeling and multi-condition dynamic load capacity evaluation of oil-immersed transformers

Temperature measurement point

Simulation value(℃)

Measured value (℃)

Relative error(%)

T₁

67.5

66.4 ± 0.3

1.60

T₂

63.0

62.7 ± 0.3

0.51

T₃

65.5

67.3 ± 0.3

2.73

T₄

63.2

64.1 ± 0.3

1.34

  1. Ambient temperature during measurement: 23.8 °C.
  2. Measurement uncertainty for all sensor readings: ±0.3 °C (PT100, Class A).
Back to article page