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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