ABB REG670 - Functionality; Identification; Instantaneous Phase Overcurrent Protection 3-Phase Output PHPIOC

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
IEC04000391-2-en.vsd
PHPIOC
I3P*
BLOCK
ENMULT
TRIP
TRL1
TRL2
TRL3
IEC04000391 V2 EN
Figure 156: PHPIOC function block
8.1.4 Signals
Table 151: PHPIOC Input signals
Name
Type Default Description
I3P GROUP
SIGNAL
- Three phase current
BLOCK BOOLEAN 0 Block of function
ENMULT BOOLEAN 0 Enable current start value multiplier
1MRK502052-UEN B Section 8
Current protection
333
Technical manual