(a) The
Inverse Segment
setpoint is usually the
Instantaneous
value.
(b) Set the
Definite Time 1 Min Trip
setpoint to the same value used for the
General Profile Initial Trip Min Trip
setpoint.
(c) Set the
Definite Time 1 Min Time
setpoint to 0.
(d) Remember to configure both the Direction 1 and Direction 2 TCC curves.
STEP 12.
Configure the
Closing Profile
modes. See Figure 77.
When a
Close
command is received (via CLOSE lever, SCADA command,
IntelliLink software command,
Loop Restoration
mode, or IntelliTeam
software), the
Closing Profile
mode is used. A separate TCC curve can be
configured for each
Closing Profile
mode, and it usually matches or is faster
than the
Initial Trip
mode curve.
The closing profile is active for the
Time for Closing Profile to be Active
setpoint before switching back to the normal
General Profile
mode. The
Manual Lever Delay
setting (chicken switch) can also be programmed.
Figure 77. The
Setup>Protection>Closing Profile 1>Closing Profile 1 - Current
screen.
S&C Instruction Sheet 766-530 133
Loop Restoration