Setting Parameters For Insulation Loss Of Life Calculation Function (Lol1) - ABB REC670 Applications Manual

Section 17
Monitoring
17.11.3.2
560
Parameter
CT ratio Winding 1
CT ratio Winding 2
CT ratio Winding 3

Setting parameters for insulation loss of life calculation function (LOL1)

Table 54: Setting parameters for insulation loss of life calculation function (LOL1)
Setting Short Description
Operation
Activation of transformer insulation loss
of life calculation function
TrafoRating Set the transformer rated power of the
function on which the parameters are
selected
TrafoType Select the transformer number of phases
NoOfWindings
Select the transformer number of
windings
ConstSelection
Select the standard from which the
transformer parameters should be taken
CurrSelectMode Select the method for the determination
of current on which the load factor needs
to be calculated
TempeUnitMode Select the unit of temperature should be
used in the function
AvailableCT
Select the available CT connections on
the windings
RatedVoltageW1
Set the winding 1 rated nominal voltage
RatedVoltageW2
Set the winding 2 rated nominal voltage
RatedVoltageW3
Set the winding 3 rated nominal voltage
UPerTap
Set the voltage increment or decrement
between two successive tap positions
OilTmConstMode
Select the transformer oil time constant
mode of input to the function
OilTimeConst
Set the transformer oil time constant
when the oil time constant mode is
selected as
Table continues on next page
Value
1000/1 A
2000/1 A
1000/1 A
Tap changer is with
winding 2 and it is
mentioned that
voltage difference
1.67 % of winding 2
rated voltage.
User defined
1MRK 511 401-UUS A
Note
GUID-6869A06A-4DDC-4FB5-AC56-5463F3709862 v1
Selected value
Enabled
500 MVA
Three phase
Three winding
IEC
Maximum
°C
All windings
415.0 kV
230.0 kV
20.0 kV
3.84 kV
Standard
9000.0 sec
Bay control REC670 2.2 ANSI
Application manual