Parameter Values (Range) Unit Step Default Description
Band width voltage 1.20...18.00 %Un 0.01 3.00 Allowed deviation
of the control volt-
age
Load current limit 0.10...5.00 xIn 0.01 2.00 Load current block-
ing limit
Block lower voltage 0.10...1.20 xUn 0.01 0.70 Voltage limit,
where further volt-
age lowering com-
mands are blocked
Runback raise V 0.80...2.40 xUn 0.01 1.25 Voltage limit,
where fast lower
commands takes
place
Cir current limit 0.10...5.00 xIn 0.01 0.15 Blocking limit for
high circulating
current
LDC limit 0.00...2.00 xUn 0.01 0.10 Maximum limit for
line drop compen-
sation term
Lower block tap -36...36 1 0 Tap changer lim-
it position which
gives lowest volt-
age on the regula-
ted side
Raise block tap -36...36 1 17 Tap changer lim-
it position which
gives highest volt-
age on the regula-
ted side
LTC pulse time 500...10000 ms 100 1500 Output pulse dura-
tion, common for
raise and lower pul-
ses
LDC enable
0=False
1=True
1=True Selection for line
drop compensation
Table 1027: OLATCC Non group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Max operations in
1h
0...10000 1 100 Allowed number of
controls per one
hour sliding win-
dow
Cmd error delay
time
10...50 s 1 20 Time delay before
command error will
be activated
Follower delay time 6...20 s 1 6 Time delay
between succes-
sive follower com-
mands by a master
Alarms enabled
0=False
1=True
1=True Alarm selection
Rv Pwr flow al-
lowed
0=False
1=True
0=False Reverse power flow
allowed
1MRS757644 H Control functions
620 series
Technical Manual
1077
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