Name
Values (Range)
Unit
Step
Default
Description
TapPosBk
Alarm
Auto Block
Auto&Man Block
-
-
Auto Block
Alarm, auto or auto&man block for
position supervision
UVBk
Alarm
Auto Block
Auto&Man Block
-
-
Auto Block
Alarm, auto block or auto&man block for
undervoltage
UVPartBk
Alarm
Auto&Man Block
-
-
Auto&Man Block
Alarm, auto partial or auto&man partial
block for undervoltage
12.3.2.5
Monitored data
Table 229:
TR8ATCC Monitored data
Name
Type
Values (Range)
Unit
Description
RAISE
BOOLEAN
-
-
Raise voltage order to
tapchanger
LOWER
BOOLEAN
-
-
Lower voltage order to
tapchanger
BUSVOLT
REAL
-
kV
Average of measured
busbar voltage (service
value)
VOLTDEV
REAL
-
%
Voltage deviation
compared to dead band
(%)
TRLDCURR
REAL
-
A
Amplitude of own load
current
USETOUT
REAL
-
kV
Voltage setpoint used in
single mode (service
value)
ULOAD
REAL
-
kV
Calculated compensated
voltage (service value)
P
REAL
-
MW
Calculated active power
(service value)
Q
REAL
-
MVAr
Calculated reactive
power (service value)
IPRIM
REAL
-
A
Maximum of 3 phase
currents (service value)
CCAVolt
REAL
-
kV
Circulating current
adjusted voltage
USETPAR
REAL
-
kV
Average voltage setpoint
used in parallel mode
ICIRCUL
REAL
-
A
Circulating current
12.3.3
Tap changer control and supervision, 6 binary inputs
TCMYLTC
Section 12
1MRK 504 135-UEN A
Control
338
Technical manual
Summary of Contents for ret650
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