ABB REL650 Product Manual page 59

Line distance protection REL650 ANSI
Product version: 1.3
Frequency protection
Table 51. Under frequency protection SAPTUF (81)
Function
Operate value, pickup function
Operate value, restore frequency
Reset ratio
Operate time, pickup function
Reset time, pickup function
Operate time delay
Restore time delay
Table 52. Overfrequency protection SAPTOF (81)
Function
Operate value, pickup function
Reset ratio
Operate time, pickup function
Reset time, pickup function
Timer
Table 53. Rate-of-change frequency protection SAPFRC (81)
Function
Operate value, pickup function
Operate value, restore enable frequency
Timers
Operate time, pickup 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 506 337-BUS 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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