Control
Table 52. Synchronizing, synchrocheck and energizing check SESRSYN
Function Range or value Accuracy
Phase shift, j
line
- j
bus
(-180 to 180) degrees -
Voltage ratio, U
bus
/U
line
0.500 - 2.000 -
Reset ratio, synchrocheck > 95% -
Frequency difference limit between bus and line for synchrocheck (0.003-1.000) Hz ± 2.0 mHz
Phase angle difference limit between bus and line for synchrocheck (5.0-90.0) degrees ± 2.0 degrees
Voltage difference limit between bus and line for synchronizing and
synchrocheck
0.03-0.50 p.u ± 0.5% of U
r
Time delay output for synchrocheck (0.000-60.000) s ± 0.5% ± 25 ms
Frequency difference minimum limit for synchronizing (0.003-0.250) Hz ± 2.0 mHz
Frequency difference maximum limit for synchronizing (0.050-0.500) Hz ± 2.0 mHz
Maximum allowed frequency rate of change (0.000-0.500) Hz/s ± 10.0 mHz/s
Closing time of the breaker (0.000-60.000) s ± 0.5% ± 25 ms
Breaker closing pulse duration (0.050-60.000) s ± 0.5% ± 25 ms
tMaxSynch, which resets synchronizing function if no close has been made
before set time
(0.000-60.000) s ± 0.5% ± 25 ms
Minimum time to accept synchronizing conditions (0.000-60.000) s ± 0.5% ± 25 ms
Time delay output for energizing check (0.000-60.000) s ± 0.5% ± 25 ms
Operate time for synchrocheck function 40 ms typically -
Operate time for energizing function 100 ms typically -
Logic
Table 53. Tripping logic common 3-phase output SMPPTRC
Function
Range or value Accuracy
Trip action 3-ph -
Timers (0.000-60.000) s ± 0.5% ± 10 ms
Generator protection REG650
1MRK 502 050-BEN B
Product version: 1.3
ABB 53