ABB ret650 - Monitored Data; Operation Principle

Table 233: TCMYLTC Non group settings (basic)
Name Values (Range) Unit Step Default Description
GlobalBaseSel 1 - 6 - 1 1 Selection of one of the Global Base Value
groups
LowVoltTap 1 - 63 - 1 1 Tap position for the lowest voltage
HighVoltTap 1 - 63 - 1 33 Tap position for the highest voltage
mALow 0.000 - 25.000 mA 0.001 4.000 mA for the lowest voltage tap position
mAHigh 0.000 - 25.000 mA 0.001 20.000 mA for the highest voltage tap position
CodeType Binary
BCD
Gray
ContactPerTap
mA
-
- Binary Type of code conversion
UseParity Off
On
- - Off Enable parity check
tStable 1 - 60 s 1 2 Time after position change before the
value is accepted
CLFactor 1.0 - 3.0 - 0.1 2.0 Adjustable factor for contact life function
InitCLCounter 0 - 9999999 s 1 250000 CL counter start value
EnabTapCmd Off
On
- - On Enable commands to tap changer
12.3.3.5 Monitored data
Table 234: TCMYLTC Monitored data
Name
Type Values (Range) Unit Description
CNT_VAL INTEGER - - Number of operations on
tap changer
CLCNT_VAL REAL - - Remaining number of
operations at rated load
TCPOS INTEGER - - Integer value
corresponding to actual
tap position
12.3.4 Operation principle
The voltage control function is built up by two function blocks. Both are logical nodes
in IEC 61850-8-1.
• Automatic voltage control for tap changer
• TR8ATCC
• Tap changer control and supervision
• TCMYLTC, 6 binary inputs
1MRK 504 135-UEN A Section 12
Control
341
Technical manual