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4.5.9.6
Signals
Table 580:
27R Input signals
Name
Type
Default
Description
V_A_AB
SIGNAL
0
Phase to ground voltage A or phase to phase voltage AB
V_B_BC
SIGNAL
0
Phase to ground voltage B or phase to phase voltage BC
V_C_CA
SIGNAL
0
Phase to ground voltage C or phase to phase voltage
CA
BLOCK
BOOLEAN
0=False
Block signal for activating the blocking mode
Table 581:
27R Output signals
Name
Type
Description
U_LOW
BOOLEAN
Low remanent voltage
4.5.9.7
Settings
Table 582:
27R Non group settings (Basic)
Parameter
Values (Range)
Unit
Step
Default
Description
Operation
1=enable
5=disable
1=enable
Operation Disable / Enable
Pickup value
0.05...1.20
xUn
0.01
0.25
Pickup value
Trip delay time
100...300000
ms
100
100
Trip delay time
Voltage selection
1=phase-to-earth
2=phase-to-phase
2=phase-to-phase
Parameter to select phase or phase-to-phase
voltages
Num of phases
1=1 out of 3
2=2 out of 3
3=3 out of 3
3=3 out of 3
Number of phases required for voltage
supervision
Phase supervision
1=A or AB
2=B or BC
4=C or CA
7=A&B&C or
AB&BC&CA
7=A&B&C or
AB&BC&CA
Monitored voltage phase
Table 583:
27R Non group settings (Advanced)
Parameter
Values (Range)
Unit
Step
Default
Description
Reset delay time
0...60000
ms
1
20
Reset delay time
Section 4
1MAC059074-MB A
Protection functions
676
615 series ANSI
Technical Manual
Содержание Relion 615 series
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