ABB REG670 Applications Manual page 673

1MRK 502 071-UEN -
Generator protection REG670 2.2 IEC and Injection equipment REX060, REX061, REX062
Application manual
Setting Short Description
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
User defined
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
WdgTimeConst2 Set the transformer winding time constant
for the winding 2 when the winding time
constant mode is selected as
WdgTimeConst3
Set the transformer winding time constant
for the winding 3 when the winding time
constant mode is selected as
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
WdgToOilGrad3 Set the transformer winding to oil
temperature gradient for the winding 3
when the winding time constant mode is
selected as
Table continues on next page
User defined
User defined
User defined
Calculated
Calculated
Calculated
Calculated
Section 17
Monitoring
Selected value
Standard
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
20° C
667