Name Values (Range) Unit Step Default Description
LVAConst1 -20.0 - 20.0 %UB2 0.1 0.0 Constant 1 for LVA, % of regulated
voltage
LVAConst2 -20.0 - 20.0 %UB2 0.1 0.0 Constant 2 for LVA, % of regulated
voltage
LVAConst3 -20.0 - 20.0 %UB2 0.1 0.0 Constant 3 for LVA, % of regulated
voltage
LVAConst4 -20.0 - 20.0 %UB2 0.1 0.0 Constant 4 for LVA, % of regulated
voltage
VRAuto -20.0 - 20.0 %UB2 0.1 0.0 Load voltage auto correction, in % of rated
voltage
Iblock 0 - 250 %IB1 1 150 Overcurrent block level, in % of rated
current
HourHuntDetect 0 - 30 Op/H 1 30 Level for number of counted raise/lower
within one hour
DayHuntDetect 0 - 100 Op/D 1 100 Level for number of counted raise/lower
within 24 hour
tWindowHunt 1 - 120 Min 1 60 Time window for hunting alarm, minutes
NoOpWindow 3 - 30 Op/W 1 30 Hunting detection alarm, maximum
operations/window
P> -9999.99 - 9999.99 MW 0.01 1000 Alarm level of active power in forward
direction
P< -9999.99 - 9999.99 MW 0.01 -1000 Alarm level of active power in reverse
direction
Q> -9999.99 - 9999.99 MVAr 0.01 1000 Alarm level of reactive power in forward
direction
Q< -9999.99 - 9999.99 MVAr 0.01 -1000 Alarm level of reactive power in reverse
direction
tPower 1 - 6000 s 1 10 Time delay for alarms from power
supervision
OperationPAR Off
CC
MF
-
- Off Parallel operation, Off/CirculatingCurrent/
MasterFollower
OperCCBlock Off
On
- - On Enable block from circulating current
supervision
CircCurrLimit 0.0 - 20000.0 %IB2 0.1 100.0 Block level for circulating current
tCircCurr 0 - 1000 s 1 30 Time delay for block from circulating
current
Comp 0 - 2000 % 1 100 Compensation parameter in % for
Circulating Current
OperSimTap Off
On
- - Off Simultaneous tapping prohibited
OperUsetPar Off
On
- - Off Use common voltage set point for parallel
operation
VTmismatch 0.5 - 10.0 %UB2 0.1 10.0 Alarm level for VT supervision, in % of
rated voltage
tVTmismatch 1 - 600 s 1 10 Time delay for VT supervision alarm
T1RXOP Off
On
- - Off Receive block operation from parallel
transformer 1
Table continues on next page
Section 12 1MRK 504 135-UEN A
Control
336
Technical manual