Monitored Data; Operation Principle - ABB RET650 Technical Manual

1MRK 504 135-UEN A
Table 233: TCMYLTC Non group settings (basic)
Name Values (Range)
GlobalBaseSel
LowVoltTap
HighVoltTap
mALow
mAHigh
CodeType
UseParity
tStable
CLFactor
InitCLCounter
EnabTapCmd
12.3.3.5
12.3.4
Technical manual
Unit
1 - 6 -
1 - 63 -
1 - 63 -
0.000 - 25.000 mA
0.000 - 25.000 mA
Binary -
BCD
Gray
ContactPerTap
mA
Off -
On
1 - 60 s
1.0 - 3.0 -
0 - 9999999 s
Off -
On

Monitored data

Table 234: TCMYLTC Monitored data
Name
CNT_VAL
CLCNT_VAL
TCPOS

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
Step Default
1 1
1 1
1 33
0.001 4.000
0.001 20.000
- Binary
- Off
1 2
0.1 2.0
1 250000
- On
Type Values (Range)
INTEGER -
REAL -
INTEGER -
Section 12
Description
Selection of one of the Global Base Value
groups
Tap position for the lowest voltage
Tap position for the highest voltage
mA for the lowest voltage tap position
mA for the highest voltage tap position
Type of code conversion
Enable parity check
Time after position change before the
value is accepted
Adjustable factor for contact life function
CL counter start value
Enable commands to tap changer
Unit Description
- Number of operations on
tap changer
- Remaining number of
operations at rated load
- Integer value
corresponding to actual
tap position
Control
341