Function Block - ABB Relion Technical Manual

Section 10
Frequency protection
10.2.3
10.2.4
10.2.5
Table 191: SAPTOF (81) Group settings (basic)
Name Values (Range)
Operation Disabled
Enabled
PUFrequency 35.00 - 75.00
tDelay 0.000 - 60.000
10.2.6
324

Function block

SAPTOF (81)
V3P* TRIP
BLOCK BFI
BLKDMAGN
ANSI09000280-1-en.vsd
ANSI09000280 V1 EN
Figure 151: SAPTOF (81) function block
Signals
Table 189: SAPTOF (81) Input signals
Name Type
V3P GROUP
SIGNAL
BLOCK BOOLEAN
Table 190: SAPTOF (81) Output signals
Name Type
TRIP BOOLEAN
BFI BOOLEAN
BLKDMAGN BOOLEAN
Settings
Unit Step
- -
Hz 0.01
s 0.001
Monitored data
Table 192: SAPTOF (81) Monitored data
Name Type
FREQ REAL
Default Description
- Three phase group signal for voltage inputs
0 Block of function
Description
Common trip signal
General pickup signal
Measurement blocked due to low amplitude
Default Description
Disabled Operation Disable / Enable
51.20 Frequency set value
0.200 Operate time delay
Values (Range) Unit
- Hz
1MRK 502 048-UUS A
Description
Measured frequency
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