ABB Relion 670 series, Technical Manual

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9.5.5 Settings
PID-3591-SETTINGS v5
Table 363: VDCPTOV (60) Group settings (basic)
Name Values (Range) Unit Step Default Description
Operation Disabled
Enabled
- - Disabled Operation Disabled/Enabled
BlkDiffAtVLow No
Yes
- - Yes Block operation at low voltage
VDTrip 2.0 - 100.0 %VB 0.1 5.0 Operate level, in % of VBase
tTrip 0.000 - 60.000 s 0.001 1.000 Time delay for voltage differential operate,
in seconds
tReset 0.000 - 60.000 s 0.001 0.000 Time delay for voltage differential reset, in
seconds
VDAlarm 2.0 - 100.0 %VB 0.1 2.0 Alarm level, in % of VBase
tAlarm 0.000 - 60.000 s 0.001 2.000 Time delay for voltage differential alarm, in
seconds
V1Low 1.0 - 100.0 %VB 0.1 70.0 Input 1 undervoltage level, in % of VBase
V2Low 1.0 - 100.0 %VB 0.1 70.0 Input 2 undervoltage level, in % of VBase
tBlock 0.000 - 60.000 s 0.001 0.000 Reset time for undervoltage block
Table 364: VDCPTOV (60) Group settings (advanced)
Name Values (Range) Unit Step Default Description
RF_A 0.000 - 3.000 - 0.001 1.000 Ratio compensation factor phase L1
U2L1*RFL1=U1L1
RF_B 0.000 - 3.000 - 0.001 1.000 Ratio compensation factor phase L2
U2L2*RFL2=U1L2
RF_C 0.000 - 3.000 - 0.001 1.000 Ratio compensation factor phase L3
U2L3*RFL3=U1L3
Table 365: VDCPTOV (60) Non group settings (basic)
Name Values (Range) Unit Step Default Description
GlobalBaseSel 1 - 12 - 1 1 Selection of one of the Global Base Value
groups
9.5.6 Monitored data
PID-3591-MONITOREDDATA v5
Table 366: VDCPTOV (60) Monitored data
Name Type Values (Range) Unit Description
VDIFF_A REAL - kV Differential Voltage phase A
VDIFF_B REAL - kV Differential Voltage phase B
VDIFF_C REAL - kV Differential Voltage phase C
1MRK 502 066-UUS B Section 9
Voltage protection
649
Technical manual