12.1.8 Technical data
Table 213: SESRSYN technical data
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 -
1MRK 502 048-UEN A Section 12
Control
337
Technical manual
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