Thermal Overload Protection, 3-Phase – Advanced - Siemens SIPROTEC 5 Technical Data Manual

Technical Data
11.31 Thermal Overload Protection, 3-Phase – Advanced
11.31 Thermal Overload Protection, 3-Phase – Advanced
Setting Value for the Function Block Filter
h(0)
h(1)
h(2)
h(3)
h(4)
Setting Values/Increments for the Protection Stage
Threshold current
warning
Threshold thermal warn.
Dropout threshold operate
Emerg. start T overtravel
K-factor acc. to IEC 60225-8
Thermal time constant
Cooling time constant
Imax thermal
Imin cooling
Temperature rise at Irated
Default temperature
Minimal temperature
Dropout Ratios
Tripping threshold (fixed at 100 %)
Thermal warning threshold
Current warning threshold
Frequency Range of the Input Signals
The function captures input signals up to the 50th harmonic.
1190
-100.000 to 100.000
-100.000 to 100.000
-100.000 to 100.000
-100.000 to 100.000
-100.000 to 100.000
1 A @ 50 and 100 Irated
5 A @ 50 and 100 Irated
1 A @ 1.6 Irated
5 A @ 1.6 Irated
1 A @ 50 and 100 Irated
5 A @ 50 and 100 Irated
1 A @ 1.6 Irated
5 A @ 1.6 Irated
1 A @ 50 and 100 Irated
5 A @ 50 and 100 Irated
1 A @ 1.6 Irated
5 A @ 1.6 Irated
Increments of 0.001
Increments of 0.001
Increments of 0.001
Increments of 0.001
Increments of 0.001
0.030 A to 35.000 A
0.15 A to 175.00 A
0.001 A to 1.600 A
0.005 A to 8.000 A
50 % to 100 %
50 % to 99 %
0 s to 15 000 s
0.10 to 4.00
10 s to 60 000 s
10 s to 60 000 s
0.030 A to 10.000 A
0.15 A to 50.00 A
0.001 A to 1.600 A
0.005 A to 8.000 A
0.000 A to 10.000 A
0.00 A to 50.00 A
0.000 A to 1.600 A
0.000 A to 8.000 A
40 K to 200 K
-55°C to 55°C
-55°C to 40°C
Dropout if value drops below operate indication
dropout threshold
About 0.99 of the setting value
About 0.95 of the setting value
SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-A, Edition 05.2018
Increments of 0.001 A
Increments of 0.01 A
Increments of 0.001 A
Increments of 0.001 A
Increments of 1 %
Increments of 1 %
Increments of 10 s
Increments of 0.01
Increments of 1 s
Increments of 1 s
Increments of 0.001 A
Increments of 0.01 A
Increments of 0.001 A
Increments of 0.001 A
Increments of 0.001 A
Increments of 0.01 A
Increments of 0.001 A
Increments of 0.001 A
Increments of 1 K
Increments of 1°C
Increments of 1°C