Synchronization Function
Operating Modes
Synchrocheck
Switching synchronous systems
Switching asynchronous systems
Switching synchronous/asynchronous systems with balancing commands
De-energized switching
Direct closing command
Balancing Voltage
Balancing Frequency
Setting Values
Supervision/Delay/Pulse times:
Max.durat. sync.process 0.00 s to 3 600.00 s or ∞ (ineffec-
tive)
Increments of 0.01 s
Supervision time de-energized
switching
0.00 s to 60.00 s Increments of 0.01 s
Closure delay 0.00 s to 60.00 s Increments of 0.01 s
T V pulse min/T f pulse min 0.01 s to 1.00 s Increments of 0.01 s
T V pulse max/T f pulse max 0.01 s to 60.00 s Increments of 0.01 s
T pause V/T pause f 0.01 s to 60.00 s Increments of 0.01 s
T close without balancing 1.00 s to 100.00 s Increments of 0.01 s
Voltage threshold values:
Upper voltage limit V
max
0.300 V to 340.000 V (phase-to-
phase)
Increments of 0.001 V
Lower voltage limit V
min
0.300 V to 340.000 V (phase-to-
phase)
Increments of 0.001 V
V<, for off-circuit conditions
V>, for voltage present
0.300 V to 170.000 V (phase-to-
phase)
0.300 V to 340.000 V (phase-to-
phase)
Increments of 0.001 V
Increments of 0.001 V
Differential values, changeover thresholds asynchronous/synchronous/balancing:
Voltage differences
V2 > V1; V2 < V1
0.000 V to 170.000 V Increments of 0.001 V
Frequency difference f2 > f1;
f2 < f1
0.000 Hz to 2.000 Hz (synchro-
nous)
0.000 Hz to 4.000 Hz (asynchro-
nous)
Increments of 0.001 Hz
Angle difference α2 > α1; α2 < α1
0
o
to 90
o
Increments of 1
o
Δf threshold ASYN <-> SYN 0.010 Hz to 0.200 Hz Increments of 0.001 Hz
Δf set point for balancing -1.00 Hz to 1.00 Hz Increments of 0.01 Hz
Δf for the kick pulse -1.00 Hz to 1.00 Hz Increments of 0.01 Hz
Adjustments of the sides:
Angle adjustment
0.0
o
to 360.0
o
Increments of 0.1
o
Voltage adjustment 0.500 to 2.000 Increments of 0.001
Circuit breaker
Closing time of the circuit breaker 0.01 s to 0.60 s Increments of 0.01 s
12.57
Technical Data
12.57 Synchronization Function
SIPROTEC 5, Overcurrent Protection, Manual 1547
C53000-G5040-C017-8, Edition 07.2017
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