ABB RELION REX640, Техническое руководство, Страница: 1856 / 1960

Parameter Values (Range) Unit Step Default Description
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
10.4.9 VSQVUB Monitored data
Table 1648: 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
PR_STR_TIME Timestamp Time stamp of starting
of the previous obser-
vation period
PR_END_TIME Timestamp Time stamp of end
of previous observation
period
Alarm high mean Dur FLOAT32 0.000...3600.000 s Time duration for alarm
high mean unbalance
Max unbalance Volt FLOAT32 0.00...150.00 % Maximum 3 seconds
unbalance voltage
Time Max Unb Volt Timestamp Time stamp of maxi-
mum voltage unbalance
Table continues on the next page
Power quality measurement functions 1MRS759142 F
1856 REX640
Technical Manual