ABB ret650 - Section 8 Current Protection; Instantaneous Phase Overcurrent Protection 3-Phase Output PHPIOC; Identification; Functionality

Section 8 Current protection
8.1 Instantaneous phase overcurrent protection 3-phase
output PHPIOC
8.1.1 Identification
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Instantaneous phase overcurrent
protection 3-phase output
PHPIOC
3I>>
SYMBOL-Z V1 EN
50
8.1.2 Functionality
The instantaneous three phase overcurrent function has a low transient overreach and
short tripping time to allow use as a high set short-circuit protection function.
8.1.3 Function block
PHPIOC
I3P*
BLOCK
TRIP
IEC08000001 V1 EN
Figure 62: PHPIOC function block
8.1.4 Signals
Table 66: PHPIOC Input signals
Name
Type Default Description
I3P GROUP
SIGNAL
- Three phase group signal for current inputs
BLOCK BOOLEAN 0 Block of function
Table 67: PHPIOC Output signals
Name
Type Description
TRIP BOOLEAN General trip signal
1MRK 504 135-UEN A Section 8
Current protection
141
Technical manual