4.1.1.12
Technical revision history
Table 232:
50P-3 Technical revision history
Technical revision
Change
B
Minimum and default values changed to 40 ms for
the
Trip delay time setting
C
Minimum and default values changed to 20 ms for
the
Trip delay time setting
Minimum value changed to 1.00 x I
n
for the
Pickup
value setting
D
Internal improvement
E
Internal improvement
Table 233:
50P Technical revision history
Technical revision
Change
C
Measurement mode "P-to-P + backup" replaced with
"Peak-to-Peak"
D
Step value changed from 0.05 to 0.01 for the
Time
multiplier setting
E
Internal improvement
F
Internal improvement
Table 234:
51P Technical revision history
Technical revision
Change
B
Minimum and default values changed to 40 ms for
the
Trip delay time setting
C
Step value changed from 0.05 to 0.01 for the
Time
multiplier setting
D
Internal improvement
E
Internal improvement
4.1.2
Three-phase directional overcurrent protection 67/51P, 67/50P
4.1.2.1
Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Three-phase directional overcurrent
protection, low stage
DPHLPDOC
3I> ->
67/51P
Three-phase directional overcurrent
protection, high stage
DPHHPDOC
3I>> ->
67/50P
1MAC059074-MB A
Section 4
Protection functions
615 series ANSI
231
Technical Manual
Summary of Contents for Relion 615 series
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