ABB RELION REX640 - 8.1.12.6 VSMSQI Settings

Name Type Description
U1_INST FLOAT32 Positive sequence voltage
amplitude, instantaneous val-
ue (kV)
U0_INST FLOAT32 Zero sequence voltage am-
plitude, instantaneous value
(kV)
8.1.12.6 VSMSQI Settings
Table 1425: VSMSQI Non group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on Operation Off / On
Ps Seq V Hi high
Lim
0.00...4.00 xUn 0.01 1.40 High alarm voltage
limit for positive
sequence voltage
Ps Seq V high limit 0.00...4.00 xUn 0.01 1.20 High warning volt-
age limit for posi-
tive sequence volt-
age
Ps Seq V low limit 0.00...4.00 xUn 0.01 0.00 Low warning volt-
age limit for posi-
tive sequence volt-
age
Ps Seq V low low
Lim
0.00...4.00 xUn 0.01 0.00 Low alarm voltage
limit for positive
sequence voltage
Ps Seq V deadband 100...100000 1 10000 Deadband configu-
ration value for
positive sequence
voltage for inte-
gral calculation.
(percentage of dif-
ference between
min and max as
0,001 % s)
Ng Seq V Hi high
Lim
0.00...4.00 xUn 0.01 0.20 High alarm voltage
limit for negative
sequence voltage
Ng Seq V High limit 0.00...4.00 xUn 0.01 0.05 High warning volt-
age limit for nega-
tive sequence volt-
age
Ng Seq V low limit 0.00...4.00 xUn 0.01 0.00 Low warning volt-
age limit for nega-
tive sequence volt-
age
Ng Seq V low low
Lim
0.00...4.00 xUn 0.01 0.00 Low alarm voltage
limit for negative
sequence voltage
Ng Seq V deadband 100...100000 1 10000 Deadband configu-
ration value for
negative sequence
voltage for inte-
gral calculation.
(percentage of dif-
ference between
min and max as
0,001 % s)
Table continues on the next page
Measurement functions 1MRS759142 F
1478 REX640
Technical Manual