ABB RELION REX640, Техническое руководство, Страница: 1455 / 1960

Name Type Description
U_INST_B FLOAT32 Phase B voltage instantane-
ous value amplitude in kV
U_INST_C FLOAT32 Phase C voltage instantane-
ous value amplitude in kV
U_DMD_A FLOAT32 Demand value of UL1 voltage
U_DMD_B FLOAT32 Demand value of UL2 voltage
U_DMD_C FLOAT32 Demand value of UL3 voltage
8.1.6.6 VPHMMXU Settings
Table 1381: VPHMMXU Non group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on Operation Off / On
Num of phases
1=1 out of 3
2=2 out of 3
3=3 out of 3
1=1 out of 3 Number of phases
required by limit
supervision
V high high limit 0.00...5.00 xUn 0.01 1.40 High alarm voltage
limit
V high limit 0.00...5.00 xUn 0.01 1.20 High warning volt-
age limit
V low limit 0.00...5.00 xUn 0.01 0.00 Low warning volt-
age limit
V low low limit 0.00...5.00 xUn 0.01 0.00 Low alarm voltage
limit
V deadband 100...100000 1 10000 Deadband configu-
ration value for in-
tegral calculation.
(percentage of dif-
ference between
min and max as
0,001 % s)
Table 1382: VPHMMXU Non group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Measurement
mode
1=RMS
2=DFT
2=DFT Selects used meas-
urement mode
On delay time 0...1800000 ms 100 0 Delay the activation
of the alarm and
warning outputs
Off delay time 0...1800000 ms 100 0 Delay the deactiva-
tion of the alarm
and warning out-
puts
8.1.6.7 VPHMMXU Monitored data
1MRS759142 F Measurement functions
REX640
Technical Manual
1455