ABB RELION 670 Series Technical Manual page 672

Section 10
Frequency protection
10.1.4 Signals
Table 380: SAPTUF (81L) Input signals
Name
V3P
BLOCK
BLKTRIP
BLKREST
Table 381: SAPTUF (81L) Output signals
Name
TRIP
PICKUP
RESTORE
BLKDMAGN
FREQ
10.1.5 Settings
Table 382: SAPTUF (81L) Group settings (basic)
Name Values (Range)
Operation Disabled
Enabled
PUFrequency 35.00 - 75.00
tDelay 0.000 - 60.000
tReset 0.000 - 60.000
tRestore 0.000 - 60.000
RestoreFreq 45.00 - 65.00
TimerMode Definite timer
Volt based timer
VNom 50.0 - 150.0
VMin 50.0 - 150.0
Exponent 0.0 - 5.0
t_MaxTripDelay 0.010 - 60.000
t_MinTripDelay 0.010 - 60.000
666
Type Default Description
GROUP - Three phase group signal for voltage inputs
SIGNAL
BOOLEAN 0 Block of function
BOOLEAN 0 Blocking operate output
BOOLEAN 0 Blocking restore output
Type Description
BOOLEAN Common trip signal
BOOLEAN Common pickup signal
BOOLEAN Restore signal for load restoring purposes
BOOLEAN Measurement blocked due to low voltage amplitude
REAL Measured frequency
Unit Step
- -
Hz 0.01
s 0.001
s 0.001
s 0.001
Hz 0.01
- -
%VB 1.0
%VB 1.0
- 0.1
s 0.001
s 0.001
Default Description
Disabled Operation Disabled/Enabled
48.80 Frequency set value
0.200 Operate time delay
0.000 Time delay for reset
0.000 Restore time delay
50.10 Restore frequency value
Definite timer Setting for choosing timer mode
100.0 Nominal voltage for voltage based timer in
% of UBase
90.0 Lower operation limit for voltage based
timer in % of VBase
1.0 For calculation of the curve form for
voltage based timer
1.000 Maximum time operation limit for voltage
based timer
1.000 Minimum time operation limit for voltage
based timer
1MRK 502 066-UUS B
PID-3901-INPUTSIGNALS v6
PID-3901-OUTPUTSIGNALS v6
PID-3901-SETTINGS v6
Technical manual