ABB REC650 ANSI User Manual

8.3.3 Function block
ANSI09000281-1-en.vsd
SAPFRC (81)
V3P*
BLOCK
TRIP
PICKUP
RESTORE
BLKDMAGN
ANSI09000281 V1 EN
Figure 84: SAPFRC (81) function block
8.3.4 Signals
Table 145: SAPFRC (81) Input signals
Name Type Default Description
V3P GROUP
SIGNAL
- Three phase group signal for voltage inputs
BLOCK BOOLEAN 0 Block of function
Table 146: SAPFRC (81) Output signals
Name
Type Description
TRIP BOOLEAN Operate/trip signal for frequency gradient
PICKUP BOOLEAN Start/pick-up signal for frequency gradient
RESTORE BOOLEAN Restore signal for load restoring purposes
BLKDMAGN BOOLEAN Blocking indication due to low magnitude
8.3.5 Settings
Table 147: SAPFRC (81) Group settings (basic)
Name
Values (Range) Unit Step Default Description
Operation Disabled
Enabled
- - Disabled Disable/Enable Operation
PUFreqGrad -10.00 - 10.00 Hz/s 0.01 0.50 Frequency gradient pick up value, the sign
defines direction
tTrip 0.000 - 60.000 s 0.001 0.200 Operate time delay in positive / negative
frequency gradient mode
RestoreFreq 45.00 - 65.00 Hz 0.01 49.90 Restore is enabled if frequency is above set
frequency value
tRestore 0.000 - 60.000 s 0.001 0.000 Restore time delay
Section 8 1MRK 511 287-UUS A
Frequency protection
200
Technical manual

ABB REC650 ANSI Specifications

General

Brand	ABB
Model	REC650 ANSI
Category	Controller
Language	English