ABB Relion 650 Series Product Manual page 75

Transformer protection RET650
Version 2.2
Control
Table 58. Synchronizing, synchrocheck and energizing check SESRSYN
Function
Phase shift, j - j
line bus
Voltage ratio, U /U multiplication factor
bus line
Voltage high limit for synchronizing and synchrocheck
Reset ratio, synchrocheck
Frequency difference limit between bus and line for synchrocheck
Phase angle difference limit between bus and line for synchrocheck
Voltage difference limit between bus and line for synchronizing and
synchrocheck
Time delay output for synchrocheck when angle difference between bus
and line jumps from "PhaseDiff" + 2 degrees to "PhaseDiff" - 2 degrees
Frequency difference minimum limit for synchronizing
Frequency difference maximum limit for synchronizing
Closing time of the breaker
Maximum closing angle between bus and line for synchronizing
Breaker closing pulse duration
tMaxSynch, which resets synchronizing function if no close has been
made before set time
Minimum time to accept synchronizing conditions
Voltage high limit for energizing check
Reset ratio, voltage high limit
Voltage low limit for energizing check
Reset ratio, voltage low limit
Maximum voltage for energizing
Time delay for energizing check when voltage jumps from 0 to 90% of
Urated Time delay output for energizing check
Operate time for synchrocheck function
Operate time for energizing function
Operate time for synchrocheck function when angle difference between
bus and line jumps from "PhaseDiff" + 2 degrees to "PhaseDiff" - 2
degrees
Operate time for energizing function when voltage jumps from 0 to 90%
of Urated
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M12359-1 v16
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Range or value
(-180 to 180) degrees
0.500 - 2.000
(50.0-120.0)% of UBase
> 95%
(0.003-1.000) Hz
(5.0-90.0) degrees
0.03-0.50 p.u
(0.000-60.000) s
(0.003-0.250) Hz
(0.050-1.000) Hz
(0.000-60.000) s
(15-30) degrees
(0.050-1.000) s
(0.000-6000.00) s
(0.000-60.000) s
(50.0-120.0)% of UBase
> 95%
(10.0-80.0)% of UBase
< 105%
(50.0-180.0)% of UBase
(0.000-60.000) s
22 ms typically when angle
difference between bus and line
jumps from "PhaseDiff" + 2
degrees to "PhaseDiff" - 2
degrees
84 ms typically when voltage
jumps from 0 to 90% of Urated
Min. = 15 ms
Max. = 30 ms
Min. = 70 ms
Max. = 90 ms
1MRK 504 172-BEN G
Accuracy
-
-
±0.5% of U at U ≤ U
r r
±0.5% of U at U > U
r
-
±2.5 mHz
±2.0 degrees
±0.5% of U
r
±0.5% ±25 ms
±2.0 mHz
±2.0 mHz
±0.5% ±25 ms
±2.0 degrees
±0.5% or ±25 ms
±0.5% ±25 ms
±0.5% ±25 ms
±0.5% of U at U ≤ U
r r
±0.5% of U at U > U
r
-
±0.5% of U
r
-
±0.5% of U at U ≤ U
r r
±0.5% of U at U > U
r
±0.2% or ±100 ms whichever is
greater
-
-
–
–
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