ABB REG650 Product Manual page 51

Generator protection REG650
Product version: 1.3
Frequency protection
Table 47. Under frequency protection SAPTUF
Function
Operate value, start function
Operate value, restore frequency
Reset ratio
Operate time, start function
Reset time, start function
Operate time delay
Restore time delay
Table 48. Overfrequency protection SAPTOF
Function
Operate value, start function
Reset ratio
Operate time, start function
Reset time, start function
Timer
Table 49. Rate-of-change frequency protection SAPFRC
Function
Operate value, start function
Operate value, restore enable frequency
Timers
Operate time, start function
ABB
Range or value
(35.00-75.00) Hz
(45 - 65) Hz
<1.001
At 50 Hz: 200 ms typically at f
set
-0.5 Hz
At 60 Hz: 170 ms typically at f
set
-0.5 Hz
At 50 Hz: 60 ms typically at f
set
+0.5 Hz
At 60 Hz: 50 ms typically at f
set
+0.5 Hz
(0.000-60.000)s
(0.000-60.000)s
Range or value
(35.00-75.00) Hz
>0.999
At 50 Hz: 200 ms typically at f
set
+0.5 Hz
At 60 Hz: 170 ms typically at f
set
+0.5 Hz
At 50 and 60 Hz: 55 ms typically at f
to f -0.5 Hz
set
(0.000-60.000)s
Range or value
(-10.00-10.00) Hz/s
(45.00 - 65.00) Hz
(0.000 - 60.000) s
At 50 Hz: 100 ms typically
At 60 Hz: 80 ms typically
1MRK 502 050-BEN B
Accuracy
± 2.0 mHz at
symmetrical three-
phase voltage
± 2.0 mHz
-
+0.5 Hz to f -
set
+0.5 Hz to f
set
-0.5 Hz to f -
set
-0.5 Hz to f
set
<250 ms
<150 ms
Accuracy
± 2.0 mHz at
symmetrical three-
phase voltage
-
-0.5 Hz to f -
set
-0.5 Hz to f
set
+0.5 Hz -
set
<250 ms
Accuracy
± 10.0 mHz/s
± 2.0 mHz
<130 ms
-
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