Function Block - ABB REL650 series Technical Manual
Line distance protection
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Also See for REL650 series:
- Technical manual (942 pages) ,
- Applications manual (516 pages) ,
- Commissioning manual (208 pages)
Table of Contents
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Section 9
Frequency protection
9.3.3
9.3.4
9.3.5
Table 219:
SAPFRC (81) Group settings (basic)
Name
Values (Range)
Operation
Disabled
Enabled
PUFreqGrad
-10.00 - 10.00
tTrip
0.000 - 60.000
RestoreFreq
45.00 - 65.00
tRestore
0.000 - 60.000
326
Function block
SAPFRC (81)
V3P*
TRIP
BLOCK
PICKUP
RESTORE
BLKDMAGN
ANSI09000281-1-en.vsd
ANSI09000281 V1 EN
Figure 152:
SAPFRC (81) function block
Signals
Table 217:
SAPFRC (81) Input signals
Name
Type
V3P
GROUP
SIGNAL
BLOCK
BOOLEAN
Table 218:
SAPFRC (81) Output signals
Name
Type
TRIP
BOOLEAN
PICKUP
BOOLEAN
RESTORE
BOOLEAN
BLKDMAGN
BOOLEAN
Settings
Unit
Step
-
-
Hz/s
0.01
s
0.001
Hz
0.01
s
0.001
Default
Description
-
Three phase group signal for voltage inputs
0
Block of function
Description
Operate/trip signal for frequency gradient
Start/pick-up signal for frequency gradient
Restore signal for load restoring purposes
Blocking indication due to low magnitude
Default
Description
Disabled
Disable/Enable Operation
0.50
Frequency gradient pick up value, the sign
defines direction
0.200
Operate time delay in positive / negative
frequency gradient mode
49.90
Restore is enabled if frequency is above set
frequency value
0.000
Restore time delay
1MRK 506 335-UUS A
Technical manual
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