ABB RELION 670 Series Technical Manual page 525

Generator protection
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Table 251: TRPTTR (49) Output signals
Name
TRIP
PICKUP
ALARM1
ALARM2
LOCKOUT
WARNING
8.7.5
Settings
Table 252: TRPTTR (49) Group settings (basic)
Name
Values (Range)
Operation
Disabled
Enabled
IRef
10.0 - 1000.0
IRefMult
0.01 - 10.00
IBase1
30.0 - 250.0
IBase2
30.0 - 250.0
Tau1
0.10 - 500.00
Tau2
0.10 - 500.00
IHighTau1
30.0 - 250.0
Tau1High
5 - 2000
ILowTau1
30.0 - 250.0
Tau1Low
5 - 2000
IHighTau2
30.0 - 250.0
Tau2High
5 - 2000
ILowTau2
30.0 - 250.0
Tau2Low
5 - 2000
ITrip
50.0 - 250.0
Table continues on next page
Technical manual
Type
Description
BOOLEAN
Trip Signal
BOOLEAN
Pickup signal
BOOLEAN
First level alarm signal
BOOLEAN
Second level alarm signal
BOOLEAN
Lockout signal
BOOLEAN
Warning signal: Trip within set warning time
Unit
Step
-
-
%
1.0
-
0.01
%IB
1.0
%IB
1.0
Min
0.01
Min
0.01
%IB1
1.0
%tC1
1
%IB1
1.0
%tC1
1
%IB2
1.0
%tC2
1
%IB2
1.0
%tC2
1
%IBx
1.0
Default
Description
Disabled
Operation Disabled/Enabled
100.0
Reference current in %
1.00
Multiplication Factor for reference current
100.0
Base current, IBase1 without Cooling input
in % of IBase
100.0
Base Current, IBase2, with Cooling input
ENABLED in % of IBase
60.00
Time constant without cooling input in
min, with IBase1
60.00
Time constant with cooling input in min,
with IBase2
100.0
Current Sett, in % of IBase1 for rescaling
TC1 by TC1-IHIGH
100
Multiplier in % to TC1 when current is >
IHIGH-TC1
100.0
Current Set, in % of IBase1 for rescaling
TC1 by TC1-ILOW
100
Multiplier in % to TC1 when current is <
ILOW-TC1
100.0
Current Set, in % of IBase2 for rescaling
TC2 by TC2-IHIGH
100
Multiplier in % to TC2 when current is
>IHIGH-TC2
100.0
Current Set, in % of IBase2 for rescaling
TC2 by TC2-ILOW
100
Multiplier in % to TC2 when current is <
ILOW-TC2
110.0
Steady state operate current level in % of
IBasex
Section 8
Current protection
PID-4148-OUTPUTSIGNALS v4
PID-6862-SETTINGS v1
519

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