ABB REQ650 - Page 74

Control
Table 49. 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% ± 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 synchrocheck 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
Breaker protection REQ650 1MRK 505 283-BEN -
Product version: 1.2
74 ABB