Control
Table 46. Synchronizing, synchronism check and energizing check SESRSYN (25)
Function Range or value Accuracy
Phase shift, j
line
- j
bus
(-180 to 180) degrees -
Voltage ratio, V
bus
/V
line
0.500 - 2.000 -
Reset ratio, synchronism check > 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 V
n
Time delay output for synchronism check (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% ± 10 ms
Breaker closing pulse duration (0.000-60.000) s ± 0.5% ± 10 ms
tMaxSynch, which resets synchronizing function if
no close has been made before set time
(0.000-60.000) s ± 0.5% ± 10 ms
Minimum time to accept synchronizing conditions (0.000-60.000) s ± 0.5% ± 10 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
Closing time of the breaker (0.000-60.000) s ± 0.5% ± 10 ms
Breaker closing time duration (0.050-60.000) s ± 0.5% ± 10 ms
tMaxSynch, which resets synchronizing function if
no close has been made before set time
(0.00-6000.00) s ± 0.5% ± 10 ms
Time delay output for energizing check (0.000-60.000) s ± 0.5% ± 10 ms
Operate time for synchronism check function 160 ms typically -
Operate time for energizing function 80 ms typically -
Minimum time to accept synchronizing conditions (0.000-60.000) s ± 0.5% ± 10 ms
Maximum allowed frequency rate of change (0.000-0.500) Hz/s ± 10.0 mHz/s
Bay control REC650 ANSI 1MRK 511 265-BUS B
Product version: 1.2
86 ABB