ABB RER670 - Two-Step Directional Phase Overcurrent Protection D2 PTOC; Identification; Application

min
1.3
s
I I³ ×
EQUATION79 V3 EN-US (Equation 36)
The protection function can be used for the specific application only if this setting
value is equal to or less than the maximum fault current that the IED has to clear, I
F
in Figure 49.
IEC09000024-1-en.vsd
~ ~
Z
A
Z
B
Z
L
A B
IED
I
F
Fault
IEC09000024 V1 EN-US
Figure 49: Fault current: I
F
100
Is
IP
IBase
>>= ×
EQUATION1147 V3 EN-US (Equation 37)
8.2 Two-step directional phase overcurrent protection
D2PTOC
SEMOD129998-1 v8
8.2.1
Identification
M14885-1 v6
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Directional phase overcurrent
protection, two steps
D2PTOC
2(2I>)
2
2
alt
IEC15000155 V2 EN-US
51_67
8.2.2 Application
M15335-3 v9
The two-step directional phase overcurrent protection D2PTOC is used in several
applications in the power system.
Some applications are:
Section 8 1MRK 506 375-UEN A
Current protection
160 Railway application RER670 2.2 IEC
Application manual