ABB RET670 Product Manual page 65

ABB
Transformer protection RET670 ANSI
Pre-configured
Product version: 1.2
Control
Table 44. Synchronizing, synchronism check and energizing check SESRSYN (25)
Function
Phase shift, j - j
line bus
Voltage ratio, V /V
bus line
Voltage high limit for synchronism check
Reset ratio, synchronism check
Frequency difference limit between bus and line
Phase angle difference limit between bus and line
Voltage difference limit between bus and line
Time delay output for synchronism check
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
Operate time for synchronism check function
Operate time for energizing function
Range or value
(-180 to 180) degrees
(0.40-25.000) % of VBaseBus
and VBaseLine
VBaseBus and
(50.0-120.0)% of
VBaseLine
> 95%
(0.003-1.000) Hz
(5.0-90.0) degrees
(0.02-0.5) p.u
(0.000-60.000) s
(50.0-120.0)% of VBaseBus and
VBaseLine
> 95%
(10.0-80.0)% of VBase
< 105%
VBaseBus and/
(50.0-180.0)% of
or VBaseLine
(0.000-60.000) s
160 ms typically
80 ms typically
1MRK 504 118-BUS A
Accuracy
-
-
± 0.5% of V at V ≤ V
n n
± 0.5% of V at V > V
n
-
± 2.0 mHz
± 2.0 degrees
± 0.5% of V
n
± 0.5% ± 10 ms
± 0.5% of V at V ≤ V
n n
± 0.5% of V at V > V
n
-
± 0.5% of V
n
-
± 0.5% of V at V ≤ V
n n
± 0.5% of V at V > V
n
± 0.5% ± 10 ms
-
-
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