ABB Relion REG670, Technical Manual

Page: 280 / 1298

7.7.5 Settings
Table 116: LEXPDIS Group settings (basic)
Name Values (Range) Unit Step Default Description
Operation Off
On
- - Off Operation Off / On
OperationZ1 Off
On
- - On Operation Off/On zone Z1
XoffsetZ1 -1000.00 - 1000.00 % 0.01 -10.00 Offset of Z1 circle top point along X axis in
% of Zbase
Z1diameter 0.01 - 3000.00 % 0.01 100.00 Diameter of impedance circle for Z1 in %
of Zbase
tZ1 0.00 - 6000.00 s 0.01 0.01 Trip time delay for Z1
OperationZ2 Off
On
- - On Operation Off/On zone Z2
XoffsetZ2 -1000.00 - 1000.00 % 0.01 -10.00 Offset of Z2 circle top point along X axis in
% of Zbase
Z2diameter 0.01 - 3000.00 % 0.01 200.00 Diameter of impedance circle for Z2 in %
of Zbase
tZ2 0.00 - 6000.00 s 0.01 1.00 Trip time delay for Z2
Table 117: LEXPDIS Group settings (advanced)
Name Values (Range) Unit Step Default Description
DirSuperv Off
On
- - Off Operation Off/On for additional directional
criterion
XoffsetDirLine -1000.00 - 3000.00 % 0.01 0.00 Offset of directional line along X axis in %
of Zbase
DirAngle -180.0 - 180.0 Deg 0.1 -13.0 Angle between directional line and R-axis
in degrees
Table 118: LEXPDIS Non group settings (basic)
Name Values (Range) Unit Step Default Description
GlobalBaseSel 1 - 12 - 1 1 Selection of one of the Global Base Value
groups
MeasureMode PosSeq
L1L2
L2L3
L3L1
- - PosSeq Measuring mode (PosSeq, L1L2, L2L3,
L3L1)
Table 119: LEXPDIS Non group settings (advanced)
Name Values (Range) Unit Step Default Description
InvertCTcurr No
Yes
- - No Invert CT current
Section 7
1MRK502052-UEN B
Impedance protection
274
Technical manual