10.4.6.1 VSQVUB Input signals
Table 721: VSQVUB Input signals
Name Type Default Description
U_A SIGNAL 0 Phase A voltage
U_B SIGNAL 0 Phase B voltage
U_C SIGNAL 0 Phase C voltage
U
1
SIGNAL 0 Positive phase se-
quence voltage
U
2
SIGNAL 0 Negative phase se-
quence voltage
U
0
SIGNAL 0 Zero sequence volt-
age
BLOCK BOOLEAN 0=False Block all outputs ex-
cept measured values
10.4.6.2 VSQVUB Output signals
Table 722: VSQVUB Output signals
Name Type Description
MN_UNB_AL BOOLEAN Alarm active when 3 sec volt-
age unbalance exceeds the
limit
PCT_UNB_AL BOOLEAN Alarm active when percentile
unbalance exceeds the limit
OBS_PR_ACT BOOLEAN Observation period is active
10.4.7 Settings
10.4.7.1 VSQVUB Non group settings
Table 723: VSQVUB Non group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on Operation On/Off
Unb detection
method
1=Neg Seq
2=Zero Seq
3=Neg to Pos Seq
4=Zero to Pos Seq
5=Ph vectors Comp
3=Neg to Pos Seq Set the operation
mode for voltage
unbalance calcula-
tion
Unbalance start Val 1...100 % 1 1 Voltage unbalance
start value
Table continues on the next page
1MRS758755 C Power quality measurement functions
REC615 & RER615
Technical Manual
735
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