Name Values (Range) Unit Step Default Description
HarmBlock2 Off
On
- - Off Enable block of step 2 from harmonic
restrain
I3>Min 5 - 2500 %IB 1 5 Minimum used operating phase current
level for step 3 in % of IBase, if I3> is
less than I3>Min then I3> is set to
I3>Min
I3>Max
5 - 2500 %IB 1 2500 Maximum used operating phase current
level for step 3 in % of IBase, if I3> is
greater than I3>Max then I3> is set to
I3>Max
ResetTypeCrv3
Instantaneous
IEC Reset
ANSI reset
-
- Instantaneous Selection of reset curve type for step 3
tReset3 0.000 - 60.000 s 0.001 0.020 Constant reset time for step 3
tPCrv3 0.005 - 3.000 - 0.001 1.000 Parameter P for customer programmable
curve for step 3
tACrv3 0.005 - 200.000 - 0.001 13.500 Parameter A for customer programmable
curve for step 3
tBCrv3 0.00 - 20.00 - 0.01 0.00 Parameter B for customer programmable
curve for step 3
tCCrv3 0.1 - 10.0 - 0.1 1.0 Parameter C for customer
programmable curve for step 3
tPRCrv3 0.005 - 3.000 - 0.001 0.500 Parameter PR for customer
programmable curve for step 3
tTRCrv3 0.005 - 100.000 - 0.001 13.500 Parameter TR for customer
programmable curve for step 3
tCRCrv3 0.1 - 10.0 - 0.1 1.0 Parameter CR for customer
programmable curve for step 3
HarmBlock3 Off
On
- - Off Enable block of step 3 from harmonic
restrain
I4>Min 5 - 2500 %IB 1 5 Minimum used operating phase current
level for step 4 in % of IBase, if I4> is
less than I4>Min then I4> is set to
I4>Min
I4>Max
5 - 2500 %IB 1 2500 Maximum used operating phase current
level for step 4 in % of IBase, if I4> is
greater than I4>Max then I4> is set to
I4>Max
ResetTypeCrv4
Instantaneous
IEC Reset
ANSI reset
-
- Instantaneous Selection of reset curve type for step 4
tReset4 0.000 - 60.000 s 0.001 0.020 Constant reset time for step 4
tPCrv4 0.005 - 3.000 - 0.001 1.000 Parameter P for customer programmable
curve for step 4
tACrv4 0.005 - 200.000 - 0.001 13.500 Parameter A for customer programmable
curve for step 4
tBCrv4 0.00 - 20.00 - 0.01 0.00 Parameter B for customer programmable
curve for step 4
tCCrv4 0.1 - 10.0 - 0.1 1.0 Parameter C for customer
programmable curve for step 4
Table continues on next page
Section 8 1MRK 505 394-UEN A
Current protection
170 Line differential protection RED650 2.2 IEC
Technical manual