ABB RED650 - Settings

6.1.5 Settings
PID-6605-SETTINGS v3
Table 36: LT3CPDIF Group settings (basic)
Name
Values (Range) Unit Step Default Description
Operation Off
On
- - Off Operation Off / On
IdMin 0.20 - 2.00 IB 0.01 0.30 Oper - restr charact., section 1
sensitivity, multiple IBase
IdMinHigh 0.20 - 10.00 IB 0.01 0.80 Initial lower sensitivity, as multiple of
IBase
tIdMinHigh 0.000 - 60.000 s 0.001 1.000 Time interval of initial lower sensitivity, in
sec
IdUnre 1.00 - 50.00 IB 0.01 10.00 Unrestrained differential current limit,
multiple of IBase
NegSeqDiffEn Off
On
- - On Off/On selection for internal / external
fault discriminator
NegSeqROA 30.0 - 120.0 Deg 1.0 60.0 Internal/external fault discriminator
Operate Angle, degrees
IMinNegSeq 0.01 - 0.20 IB 0.01 0.04 Min. value of neg. seq. curr. as multiple
of IBase
CrossBlockEn No
Yes
- - No Off/On selection of the cross -block logic
ChargCurEnable Off
On
- - Off Off/On selection for compensation of
charging currents
AddDelay Off
On
- - Off Off/On selection for delayed diff. trip
command
IMaxAddDelay 0.20 - 5.00 IB 0.01 1.00 Below limit, extra delay can be applied,
multiple of IBase
tDefTime 0.000 - 6.000 s 0.001 0.000 Definite time additional delay in seconds
tMinInv 0.001 - 6.000 s 0.001 0.010 Inverse Delay Minimum Time. In
seconds
CurveType ANSI Ext. inv.
ANSI Very inv.
ANSI Norm. inv.
ANSI Mod. inv.
ANSI Def. Time
L.T.E. inv.
L.T.V. inv.
L.T. inv.
IEC Norm. inv.
IEC Very inv.
IEC inv.
IEC Ext. inv.
IEC S.T. inv.
IEC L.T. inv.
IEC Def. Time
Programmable
RI type
RD type
- - IEC Def. Time 19 curve types. Example: 15 for definite
time delay.
Table continues on next page
Section 6 1MRK 505 394-UEN A
Differential protection
90 Line differential protection RED650 2.2 IEC
Technical manual