ABB RELION 620 Series Technical Manual page 704

Section 4
Protection functions
4.5.10.6
4.5.10.7
Table 656: VVSPPAM Group settings (Basic)
Parameter
Start value
Table 657: VVSPPAM Group settings (Advanced)
Parameter
Over Volt Blk value
Under Volt Blk value
Table 658: VVSPPAM Non group settings (Basic)
Parameter
Operation
698
Vector shift and rate of change of frequency are two parallel criteria typically used for
detection of Loss of Mains.
Chosen protection criteria can be included in the Application Configuration tool to
create multicriteria loss of mains alarm or trip.
Signals
Table 654: VVSPPAM Input signals
Name
U_A_AB
U_B_BC
U_C_CA
BLOCK
Table 655: VVSPPAM Output signals
Name
OPERATE
INT_BLKD
Settings
Values (Range) Unit
2.0...30.0 deg
Values (Range) Unit
0.40...1.50 xUn
0.15...1.00 xUn
Values (Range) Unit
1=on
5=off
Type Default Description
SIGNAL 0 Phase-to-earth voltage A or phase-to-phase
voltage AB
SIGNAL 0 Phase-to-earth voltage B or phase-to-phase
voltage BC
SIGNAL 0 Phase-to-earth voltage C or phase-to-phase
voltage CA
BOOLEAN 0=False Block signal for activating the blocking mode
Type Description
BOOLEAN Operate
BOOLEAN Protection function internally blocked
Step Default
0.1 6.0
Step Default
0.01 1.20
0.01 0.80
Step Default
1=on
1MRS757644 F
Description
Start value for vector shift
Description
Voltage above which function will be
internally blocked
Voltage below which function will be
internally blocked
Description
Operation Off / On
Technical Manual
620 series