Technical Data; Overfrequency Protection Saptof - ABB REG650 Technical Manual

Section 9
Frequency protection
9.1.8
9.2
258
BLOCK
freqNotValid
Frequency Comparator
f < StartFrequency
Comparator
f > RestoreFreq
IEC09000034 V1 EN
Figure 132: Simplified logic diagram for SAPTUF

Technical data

Table 160: SAPTUF Technical data
Function
Operate value, start function
Operate value, restore
frequency
Operate time, start function
Reset time, start function
Operate time delay
Restore time delay

Overfrequency protection SAPTOF

OR
DefiniteTimeDelay
TimeDlyOperate
TimeDlyRestore
Range or value
(35.00-75.00) Hz
(45 - 65) Hz
At 50 Hz: 200 ms typically at f
f -0.5 Hz
set
At 60 Hz: 170 ms typically at f
f -0.5 Hz
set
At 50 Hz: 60 ms typically at f
+0.5 Hz
At 60 Hz: 50 ms typically at f
+0.5 Hz
(0.000-60.000)s
(0.000-60.000)s
1MRK 502 034-UEN -
BLOCK
Start
&
START
Trip
Output
Logic
TRIP
100 ms
RESTORE
IEC09000034-1.vsd
Accuracy
± 2.0 mHz
± 2.0 mHz
+0.5 Hz to -
set
+0.5 Hz to
set
-0.5 Hz to f -
set set
-0.5 Hz to f
set set
<250 ms
<150 ms
Technical Manual
BLKDMAGN
START
TRIP