ABB Relion RER615 - Page 737

Name Type Values (Range) Unit Description
of voltage unbal-
ance
PCT_UNB_VAL FLOAT32 0.00...150.00 % Limit below
which percentile
unbalance of the
values lie
MAX_UNB_VAL FLOAT32 0.00...150.00 % Maximum volt-
age unbalance
measured in the
observation peri-
od
MAX_UNB_TIME Timestamp Time stamp
at which max-
imum voltage
unbalance meas-
ured in the ob-
servation 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 peri-
od
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 sec-
onds unbalance
voltage
Time Max Unb
Volt
Timestamp Time stamp of
maximum volt-
age unbalance
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 sec-
onds unbalance
voltage
Time Max Unb
Volt
Timestamp Time stamp of
maximum volt-
age unbalance
Alarm high mean
Dur
FLOAT32 0.000...3600.000 s Time duration
for alarm high
mean unbalance
Table continues on the next page
1MRS758755 C Power quality measurement functions
REC615 & RER615
Technical Manual
737