ABB Relion 670 Series Applications Manual page 517

1MRK 511 401-UEN Rev. K
Setting
OilTimeConst
AvgOilTmpRise
CoilCoreMass
OilMass
TankMass
LoadLoss
TTLoadLoss
NoloadLoss
TTNoloadLoss
WdgTmConstMode
WdgTimeConst1
WdgTimeConst2
WdgTimeConst3
ConductorType
WdgToOilGrad1
WdgToOilGrad2
WdgToOilGrad3
Table continues on next page
Bay control REC670
Application manual
Short Description
Set the transformer oil time constant
when the oil time constant mode is
selected as User defined
Set the transformer average oil
temperature rise for the calculation of
oil time constant
Set the transformer coil and core
assembly mass for the calculation of
oil time constant
Set the transformer oil mass for the
calculation of oil time constant
Set the transformer tank mass which
is having direct contact with heated oil
for the calculation of oil time constant
Set the rated load loss of the
transformer for the calculation of oil
time constant
Set the load loss of the transformer
arrived from the type test for the
calculation of oil time constant
Set the rated no-load loss of the
transformer for the calculation of oil
time constant
Set the no-load loss of the transformer
arrived from the type test for the
calculation of oil time constant
Select the transformer winding time
constant mode of input to the
function
Set the transformer winding time
constant for the winding 1 when the
winding time constant mode is
User defined
selected as
Set the transformer winding time
constant for the winding 2 when the
winding time constant mode is
User defined
selected as
Set the transformer winding time
constant for the winding 3 when the
winding time constant mode is
selected as User defined
Select the transformer winding
material for the winding time constant
Calculated
Set the transformer winding to oil
temperature gradient for the winding 1
when the winding time constant mode
is selected as Calculated
Set the transformer winding to oil
temperature gradient for the winding
2 when the winding time constant
mode is selected as
Set the transformer winding to oil
temperature gradient for the winding
3 when the winding time constant
mode is selected as
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Selected value
9000.0 sec
45° C
65.0 t
35.0 t
15.0 t
10.0 MW
10.0 MW
2.0 MW
2.0 MW
Standard
420.0 sec
420.0 sec
420.0 sec
Copper
20° C
20° C
Calculated
20° C
Calculated
Section 18
Monitoring
511