Setting Example - ABB REC670 Applications Manual

Section 17
Monitoring
17.11.3
17.11.3.1
17.11.3.2
520

Setting example

Transformer Rated Data
Table 53: Transformer Rated Data
Parameter
Frequency
Rated Power
Voltage ratio
Tap changer
Winding 1 rated current
Winding 2 rated current
Winding 3 rated current
Connection Type
Cooling
p.u. Impedance
At Base
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
Table continues on next page
Value
50 Hz
500 MVA / 500 MVA / 20 MVA
415 kV / 230 kV / 20 kV
±9
696 A
1255 A
577 A
YNyn0d1
ONAF
0.120
500 MVA
1000/1 A
2000/1 A
1000/1 A
1MRK 511 401-UEN A
GUID-B3AE440F-CC5E-4742-9483-8D6448A476C8 v1
Note
1.67% of 230 kV
GUID-6869A06A-4DDC-4FB5-AC56-5463F3709862 v1
Selected value
On
500 MVA
Three phase
Three winding
IEC
Maximum
°C
All windings
415.0 kV
Bay control REC670 2.2 IEC
Application manual