Siemens SIPROTEC 7UT613 series Manual page 467

Temperature Detectors
Cooling
Annunciation Thresholds
7UT613/63x Manual
C53000-G1176-C160-2
Number of measuring points
For hot-spot calculation one temperature detector must be connected.
Cooling method
Oil exponent Y
Hot-spot to top-oil gradient Hgr
Warning temperature hot-spot
or
Alarm temperature hot-spot
or
Warning ageing rate
Alarm ageing rate
from 1 RTD-box (up to 6 measuring points) or
from 2 RTD-boxes (up to 12 measuring points)
ON (oil natural)
OF (oil forced)
OD (oil directed)
1.6 to 2.0
22 to 29
98 °C to 140 °C
208 °F to 284 °F
98 °C to 140 °C
208 °F to 284 °F
0.125 to 128.000
0.125 to 128.000
4.9 Thermal Overload
Steps 0.1
Steps 1
Steps 1 °C
Increments 1 °F
Steps 1 °C
Steps 1 °F
Steps 0.001
Steps 0.001
467