ABB REC650 ANSI - Functionality; Instantaneous Phase Overcurrent Protection 3-Phase Output PHPIOC (50)

Section 6 Current protection
6.1 Instantaneous phase overcurrent protection 3-phase
output PHPIOC (50)
6.1.1 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
6.1.2 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.
6.1.3 Function block
ANSI08000001-1-en.vsd
PHPIOC (50)
I3P*
BLOCK
TRIP
ANSI08000001 V1 EN
Figure 29: PHPIOC (50) function block
6.1.4 Signals
Table 24: PHPIOC (50) Input signals
Name
Type Default Description
I3P GROUP
SIGNAL
- Three phase group signal for current inputs
BLOCK BOOLEAN 0 Block of function
1MRK 511 287-UUS A Section 6
Current protection
83
Technical manual