ABB RELION REX640, Техническое руководство, Страница: 919 / 1960

4.5.10.8 PHVPTOV Settings
Table 874: PHVPTOV Group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Start value 0.05...3.00 xUn 0.01 1.10 Start value
Time interval 1...120 min 1 10 Time interval for
average voltage
calculation
Operate delay Mult 0...100 1 1 Trip delay ex-
pressed as a multi-
ple of refresh time
Table 875: PHVPTOV Non group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on Operation Off / On
Num of start pha-
ses
1=1 out of 3
2=2 out of 3
3=3 out of 3
1=1 out of 3 Number of phases
required for oper-
ate activation
Voltage selection
1=phase-to-earth
2=phase-to-phase
1=phase-to-earth Parameter to select
phase or phase-to-
phase voltages
Table 876: PHVPTOV Non group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Relative hysteresis 1.0...5.0 % 0.1 4.0 Relative hysteresis
for operation
4.5.10.9 PHVPTOV Monitored data
Table 877: PHVPTOV Monitored data
Name Type Values (Range) Unit Description
START_DUR FLOAT32 0.00...100.00 % Ratio of start time / op-
erate time
U_MEAN_A FLOAT32 0.00...5.00 xUn Mean value of phase to
earth voltage A
U_MEAN_B FLOAT32 0.00...5.00 xUn Mean value of phase to
earth voltage B
U_MEAN_C FLOAT32 0.00...5.00 xUn Mean value of phase to
earth voltage C
U_MEAN_AB FLOAT32 0.00...5.00 xUn Mean value of Phase to
phase voltage AB
U_MEAN_BC FLOAT32 0.00...5.00 xUn Mean value of Phase to
phase voltage BC
U_MEAN_CA FLOAT32 0.00...5.00 xUn Mean value of Phase to
phase voltage CA
PHVPTOV Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
1MRS759142 F Protection functions
REX640
Technical Manual
919