Four Step Directional Negative Phase Sequence Overcurrent Protection Ns4Ptoc (46I2) - ABB RET670 Applications Manual

Section 3
IED application
Name Values (Range)
MultPU4 1.0 - 10.0
ResetTypeCrv4 Instantaneous
IEC Reset
ANSI reset
tReset4 0.000 - 60.000
HarmRestrain4 Disabled
Enabled
tPCrv4 0.005 - 3.000
tACrv4 0.005 - 200.000
tBCrv4 0.00 - 20.00
tCCrv4 0.1 - 10.0
tPRCrv4 0.005 - 3.000
tTRCrv4 0.005 - 100.000
tCRCrv4 0.1 - 10.0
3.7.5
3.7.5.1
440
Unit Step
- 0.1
- -
s 0.001
- -
- 0.001
- 0.001
- 0.01
- 0.1
- 0.001
- 0.001
- 0.1
Four step directional negative phase sequence overcurrent
protection NS4PTOC (46I2)
Function description
Four step negative sequence
overcurrent protection
Application
Four step negative sequence overcurrent protection NS4PTOC (4612) is used in
several applications in the power system. Some applications are:
Default Description
2.0 Multiplier for scaling the current setting value
for step 4
Instantaneous Reset curve type for step 4
0.020 Reset time delay for step 4
Enabled Enable block of step 4 from harmonic restrain
1.000 Parameter P for customer programmable
curve for step 4
13.500 Parameter A for customer programmable
curve step 4
0.00 Parameter B for customer programmable
curve for step 4
1.0 Parameter C for customer programmable
curve step 4
0.500 Parameter PR for customer programmable
curve step 4
13.500 Parameter TR for customer programmable
curve step 4
1.0 Parameter CR for customer programmable
curve step 4
IEC 61850 IEC 60617 identification ANSI/IEEE C37.2
identification
NS4PTOC
4
4
IEC10000053 V1 EN
1MRK504116-UUS C
device number
46I2
I2
alt
Application manual