Name Values (Range) Unit Step Default Description
VoltageInput Phase A
Phase B
Phase C
PosSeq
-NegSeq
-3*ZeroSeq
MaxPh
MinPh
UnbalancePh
Phase AB
Phase BC
Phase CA
MaxPh-Ph
MinPh-Ph
UnbalancePh-Ph
- - MaxPh Select voltage signal which will be measured
inside function
VBase 0.05 - 2000.00 kV 0.05 400.00 Base Voltage
OperHarmRestr Disabled
Enabled
- - Disabled Disable/Enable operation of 2nd harmonic
restrain
l_2nd/l_fund 10.0 - 50.0 % 1.0 20.0 Ratio of second to fundamental current
harmonic in %
EnRestrainCurr Disabled
Enabled
- - Disabled Disable/Enable current restrain function
RestrCurrInput PosSeq
NegSeq
3*ZeroSeq
Max
- - PosSeq Select current signal which will be used for
current restrain
RestrCurrCoeff 0.00 - 5.00 - 0.01 0.00 Restraining current coefficient
RCADir -180 - 180 Deg 1 -75 Relay Characteristic Angle
ROADir 1 - 90 Deg 1 75 Relay Operate Angle
LowVolt_VM 0.0 - 5.0 %VB 0.1 0.5 Below this level in % of Vbase setting
ActLowVolt takes over
Operation_OC1 Disabled
Enabled
- - Disabled Disable/Enable Operation of OC1
PickupCurr_OC1 2.0 - 5000.0 %IB 1.0 120.0 Pickup current for OC1 in % of Ibase
Table continues on next page
Section 10 1MRK505222-UUS C
Multipurpose protection
586
Technical reference manual