7.1.8 Technical data
IP11435-1 v1
M12336-1 v13
Table 70: PHPIOC technical data
Function
Range or value Accuracy
Operate current (5-2500)% of lBase
±1.0% of I
r
at I ≤ I
r
±1.0% of I at I > I
r
Reset ratio > 95% at (50–2500)% of IBase -
Operate time at 0 to 2 x I
set
Min. = 15 ms
Max. = 25 ms
-
Reset time at 2 x I
set
to 0 Min. = 15 ms
Max. = 25 ms
-
Critical impulse time 10 ms typically at 0 to 2 x I
set
-
Operate time at 0 to 10 x I
set
Min. = 5 ms
Max. = 15 ms
-
Reset time at 10 x I
set
to 0 Min. = 25 ms
Max. = 40 ms
-
Critical impulse time 2 ms typically at 0 to 10 x I
set
-
Dynamic overreach
< 5% at t = 100 ms
-
7.2 Directional phase overcurrent protection, four steps
OC4PTOC
SEMOD129998-1 v8
7.2.1 Identification
M14885-1 v6
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Directional phase overcurrent
protection, four steps
OC4PTOC
TOC-REVA V2 EN-US
51_67
7.2.2 Functionality
M12846-3 v17
Directional phase overcurrent protection, four steps (OC4PTOC) has an inverse or
definite time delay for each step.
All IEC and ANSI inverse time characteristics are available together with an
optional user defined time characteristic.
Section 7 1MRK 506 382-UEN A
Current protection
162 Line distance protection REL650 2.2 IEC
Technical manual
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