Settings - ABB RELION 620 Series Technical Manual

Section 4
Protection functions
4.1.7.7
Table 335: T2PTTR Group settings (Basic)
Parameter
Env temperature Set
Temperature rise
Max temperature
Operate temperature
Alarm temperature
Reclose temperature
Short time constant
Long time constant
Weighting factor p
Table 336: T2PTTR Group settings (Advanced)
Parameter
Current reference
Table 337: T2PTTR Non group settings (Basic)
Parameter
Operation
Table 338: T2PTTR Non group settings (Advanced)
Parameter
Initial temperature
332

Settings

Values (Range) Unit
-50...100 °C
0.0...200.0 °C
0.0...200.0 °C
80.0...120.0 %
40.0...100.0 %
40.0...100.0 %
6...60000 s
60...60000 s
0.00...1.00
Values (Range) Unit
0.05...4.00 xIn
Values (Range) Unit
1=on
5=off
Values (Range) Unit
0.0...100.0 %
Step Default
1 40
0.1 78.0
0.1 105.0
0.1 100.0
0.1 90.0
0.1 60.0
1 450
1 7200
0.01 0.40
Step Default
0.01 1.00
Step Default
1=on
Step Default
0.1 80.0
1MRS757644 F
Description
Ambient temperature used when no
external temperature measurement
available
End temperature rise above ambient
Maximum temperature allowed for the
transformer
Operate temperature, percent value
Alarm temperature, percent value
Temperature for reset of block reclose
after operate
Short time constant in seconds
Long time constant in seconds
Weighting factor of the short time constant
Description
The load current leading to Temperature
raise temperature
Description
Operation Off / On
Description
Initial temperature, percent value
Technical Manual
620 series