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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
Содержание REC650 ANSI
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