Signals - ABB RELION REX640 Technical Manual

1MRS759142 C
10.4.7
10.4.8
Table 1469: VSQVUB Non group settings (Basic)
Parameter Values (Range)
Operation
Unb detection method
Unbalance start Val
Trigger mode
Percentile unbalance
Obs period selection
User Def Obs period
Obs period Str year
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REX640
Technical Manual

Signals

Table 1467: VSQVUB Input signals
Name
U3P
BLOCK
Table 1468: VSQVUB Output signals
Name
MN_UNB_AL
PCT_UNB_AL
OBS_PR_ACT
Settings
Unit
1=on
5=off
1=Neg Seq
2=Zero Seq
3=Neg to Pos Seq
4=Zero to Pos Seq
5=Ph vectors Comp
1...100 %
1=Single
2=Periodic
3=Continuous
1...100 %
1=1 Hour
2=12 Hours
3=1 Day
4=7 Days
5=User defined
1...168 h
2008...2076
Power quality measurement functions
Type Default Description
SIGNAL - Three-phase voltages
BOOLEAN 0=False Block all outputs except measured values
Type Description
BOOLEAN Alarm active when 3 sec voltage unbalance
exceeds the limit
BOOLEAN Alarm active when percentile unbalance exceeds
the limit
BOOLEAN Observation period is active
Step Default
1=on
3=Neg to Pos Seq
1 1
3=Continuous
1 95
5=User defined
1 168
2011
Section 10
Description
Operation On/Off
Set the operation mode for voltage
unbalance calculation
Voltage unbalance start value
Specifies the observation period
triggering mode
The percent to which percentile value
PCT_UNB_VAL is calculated
Observation period for unbalance
calculation
User define observation period for statistic
calculation
Calendar time for observation period start
year in YYYY
1649