ABB REC670 Applications Manual page 567

1MRK 511 401-UUS A
Bay control REC670 2.2 ANSI
Application manual
Setting Short Description
AvgOilTmpRise
Set the transformer average oil
temperature rise for the calculation of oil
time constant
CoilCoreMass
Set the transformer coil and core
assembly mass for the calculation of oil
time constant
OilMass
Set the transformer oil mass for the
calculation of oil time constant
TankMass Set the transformer tank mass which is
having direct contact with heated oil for
the calculation of oil time constant
LoadLoss Set the rated load loss of the transformer
for the calculation of oil time constant
TTLoadLoss
Set the load loss of the transformer
arrived from the type test for the
calculation of oil time constant
NoloadLoss
Set the rated no-load loss of the
transformer for the calculation of oil time
constant
TTNoloadLoss
Set the no-load loss of the transformer
arrived from the type test for the
calculation of oil time constant
WdgTmConstMode
Select the transformer winding time
constant mode of input to the function
WdgTimeConst1
Set the transformer winding time constant
for the winding 1 when the winding time
constant mode is selected as
defined
WdgTimeConst2
Set the transformer winding time constant
for the winding 2 when the winding time
constant mode is selected as
defined
WdgTimeConst3
Set the transformer winding time constant
for the winding 3 when the winding time
constant mode is selected as
defined
ConductorType Select the transformer winding material
for the winding time constant
WdgToOilGrad1
Set the transformer winding to oil
temperature gradient for the winding 1
when the winding time constant mode is
selected as
WdgToOilGrad2 Set the transformer winding to oil
temperature gradient for the winding 2
when the winding time constant mode is
selected as
Table continues on next page
User
User
User
Calculated
Calculated
Calculated
Section 17
Monitoring
Selected value
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
561