Four Step Directional Negative Phase Sequence Overcurrent Protection Ns4Ptoc (46I2) - ABB RES670 Technical Manual

1MRK 511 408-UUS A
8.3
8.3.1
8.3.2
Phasor measurement unit RES670 2.2 ANSI
Technical manual
Function
Inverse time characteristics, see Table 687,
Table 688 and Table 689
Second harmonic blocking
Minimum polarizing voltage
Minimum polarizing current
Real part of source Z used for current
polarization
Imaginary part of source Z used for current
polarization
Trip time, pickup non-directional at 0 to 2 x
I
set
Reset time, pickup non-directional at 2 x I
to 0
Trip time, pickup non-directional at 0 to 10 x
I
set
Reset time, pickup non-directional at 10 x I
to 0
Critical impulse time
Impulse margin time
Four step directional negative phase sequence
overcurrent protection NS4PTOC (46I2)
Identification
Function description
Four step negative sequence
overcurrent protection
Functionality
Four step directional negative phase sequence overcurrent protection (NS4PTOC,
(4612) ) has an inverse or definite time delay independent for each step separately.
Range or value
16 curve types
(5–100)% of fundamental
(1–100)% of VBase
(2-100)% of IBase
(0.50-1000.00) W/phase
(0.50–3000.00) W/phase
Min. = 15 ms
Max. = 30 ms
Min. = 15 ms
set
Max. = 30 ms
Min. = 5 ms
Max. = 20 ms
Min. = 20 ms
set
Max. = 35 ms
10 ms typically at 0 to 2 x I
15 ms typically
IEC 61850 IEC 60617
identification identification
NS4PTOC
I2
4
alt
4
IEC10000053 V1 EN-US
Section 8
Current protection
Accuracy
See Table 687,
Table 688 and Table
689
±2.0% of I
n
±0.5% of V
n
±1.0% of I
n
-
-
-
-
-
-
-
set
-
GUID-E8CF8AA2-AF54-4FD1-A379-3E55DCA2FA3A v1
GUID-E1720ADA-7F80-4F2C-82A1-EF2C9EF6A4B4 v1
ANSI/IEEE C37.2
device number
46I2
GUID-485E9D36-0032-4559-9204-101539A32F47 v6
213