Settings - ABB Relion Technical Manual

Section 8
Current protection
8.4.5
Table 104: TRPTTR (49) Group settings (basic)
Name Values (Range)
Operation Disabled
Enabled
IRef 10.0 - 1000.0
IBase1 30.0 - 250.0
IBase2 30.0 - 250.0
Tau1 1.0 - 500.0
Tau2 1.0 - 500.0
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
Alarm1 50.0 - 99.0
Alarm2 50.0 - 99.0
ResLo 10.0 - 95.0
Warning 1.0 - 500.0
236
Table 103: TRPTTR (49) Output signals
Name Type
TRIP BOOLEAN
START BOOLEAN
ALARM1 BOOLEAN
ALARM2 BOOLEAN
LOCKOUT BOOLEAN
WARNING BOOLEAN

Settings

Unit Step
- -
%IB 1.0
%IB 1.0
%IB 1.0
Min 1.0
Min 1.0
%IB1 1.0
%tC1 1
%IB1 1.0
%tC1 1
%IB2 1.0
%tC2 1
%IB2 1.0
%tC2 1
%IBx 1.0
%Itr 1.0
%Itr 1.0
%Itr 1.0
Min 0.1
Description
Trip Signal
Pickup signal
First level alarm signal
Second level alarm signal
Lockout signal
Trip within set warning time
Default Description
Disabled Operation Disabled/Enabled
100.0 Reference current in % of IBase
100.0 Base current IBase1 without cooling input in %
of IBase
100.0 Base current IBase2 with cooling input in % of
IBase
60.0 Time constant without cooling input
60.0 Time constant with cooling input
100.0 Current setting for rescaling TC1 by TC1-
IHIGH
100 Multiplier to TC1 when current is >IHIGH-TC1
100.0 Current setting for rescaling TC1 by TC1-ILOW
100 Multiplier to TC1 when current is <ILOW-TC1
100.0 Current setting for rescaling TC2 by TC2-
IHIGH
100 Multiplier to TC2 when current is >TC2-IHIGH
100.0 Current setting for rescaling TC2 by TC2-ILOW
100 Multiplier to TC2 when current is <ILOW-TC2
110.0 Steady state operate current level
80.0 First alarm level
90.0 Second alarm level
60.0 Lockout reset level
30.0 Time setting, below which warning would be
set
1MRK 502 048-UUS A
Technical manual