ABB Relion 620 Series - Monitored Data

Parameter Values (Range) Unit Step Default Description
Percentile unbal-
ance
1...100 % 1 95 The percent
to which per-
centile value
PCT_UNB_VAL is
calculated
Obs period selec-
tion
1=1 Hour
2=12 Hours
3=1 Day
4=7 Days
5=User defined
5=User defined Observation period
for unbalance cal-
culation
User Def Obs peri-
od
1...168 h 1 168 User define obser-
vation period for
statistic calculation
Obs period Str year 2008...2076 2011 Calendar time for
observation period
start year in YYYY
Obs period Str
month
0=reserved
1=January
2=February
3=March
4=April
5=May
6=June
7=July
8=August
9=September
10=October
11=November
12=December
1=January Calendar time for
observation period
start month
Obs period Str day 1...31 1 Calendar time for
observation period
start day
Obs period Str hour 0...23 h 0 Calendar time for
observation period
start hour
10.4.8 Monitored data
Table 1055: VSQVUB Monitored data
Name Type Values (Range) Unit Description
3S_MN_UNB FLOAT32 0.00...150.00 % Non sliding 3 second
mean value of voltage
unbalance
10MIN_MN_UNB FLOAT32 0.00...150.00 % Sliding 10 minutes
mean value of voltage
unbalance
PCT_UNB_VAL FLOAT32 0.00...150.00 % Limit below which per-
centile unbalance of the
values lie
MAX_UNB_VAL FLOAT32 0.00...150.00 % Maximum voltage un-
balance measured in
the observation period
MAX_UNB_TIME Timestamp Time stamp at which
maximum voltage un-
balance measured in
the observation period
Table continues on the next page
Power quality measurement functions 1MRS757644 H
1116 620 series
Technical Manual