xx05000058_ansi.vsd
152 252
352 452
ANSI05000058 V1 EN-US
Figure 62: Examples of applications of the REFPDIF (87N)
6.4.3 Function block
M13736-3 v7
REFPDIF (87N)
I3P*
I3PW1CT1*
I3PW1CT2*
I3PW2CT1*
I3PW2CT2*
BLOCK
TRIP
PICKUP
DIR_INT
BLK2H
IRES
IN
IBIAS
IDIFF
ANGLE
2NDHARM
ANSI14000059-1-en.vsd
ANSI06000251 V3 EN-US
Figure 63: REFPDIF (87N) function block
6.4.4 Signals
IP12658-1 v2
PID-3772-INPUTSIGNALS v5
Table 71: REFPDIF (87N) Input signals
Name Type Default Description
I3P GROUP
SIGNAL
- Group signal for ground current input
I3PW1CT1 GROUP
SIGNAL
- Group signal for primary CT1 current input
I3PW1CT2 GROUP
SIGNAL
- Group signal for primary CT2 current input
I3PW2CT1 GROUP
SIGNAL
- Group signal for secondary CT1 current input
I3PW2CT2 GROUP
SIGNAL
- Group signal for secondary CT2 current input
BLOCK BOOLEAN 0 Block of function
1MRK 502 066-UUS B Section 6
Differential protection
167
Technical manual