ABB REG670 - Technical Data

14.1.8 Technical data
Table 368: SESRSYN technical data
Function
Range or value Accuracy
Phase shift, j
line
- j
bus
(-180 to 180) degrees -
Voltage high limit for
synchronizing and
synchrocheck
(50.0-120.0)% of UBase
± 0.5% of U
r
at U ≤ U
r
± 0.5% of U at U > U
r
Reset ratio, synchrocheck > 95% -
Frequency difference limit
between bus and line for
synchrocheck
(0.003-1.000) Hz
± 2.5 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
(0.02-0.5) p.u
± 0.5% of U
r
Time delay output for
synchrocheck when angle
difference between bus and
line jumps from “PhaseDiff”
+ 2 degrees to “PhaseDiff” - 2
degrees
(0.000-60.000) s
± 0.2% or ± 35 ms whichever is
greater
Frequency difference
minimum limit for
synchronizing
(0.003-0.250) Hz
± 2.5 mHz
Frequency difference
maximum limit for
synchronizing
(0.050-0.500) Hz
± 2.5 mHz
Maximum allowed frequency
rate of change
(0.000-0.500) Hz/s ± 10.0 mHz/s
Breaker closing pulse
duration
(0.050-60.000) s ± 0.2% or ± 15 ms whichever is
greater
tMaxSynch, which resets
synchronizing function if no
close has been made before
set time
(0.000-6000.00) s
± 0.2% or ± 35 ms whichever is
greater
Minimum time to accept
synchronizing conditions
(0.000-60.000) s ± 0.2% or ± 35 ms whichever is
greater
Voltage high limit for
energizing check
(50.0-120.0)% of UBase ± 0.5% of U
r
at U ≤ U
r
± 0.5% of U at U > U
r
Reset ratio, voltage high limit > 95% -
Voltage low limit for
energizing check
(10.0-80.0)% of UBase ± 0.5% of U
r
Reset ratio, voltage low limit < 105% -
Maximum voltage for
energizing
(50.0-180.0)% of UBase ± 0.5% of U
r
at U ≤ U
r
± 0.5% of U at U > U
r
Table continues on next page
1MRK502052-UEN B Section 14
Control
643
Technical manual