Monitored Data - ABB REG650 Technical Manual

1MRK 502 043-UUS B
Name Values (Range)
OperationZ2 Disabled
Enabled
XoffsetZ2 -1000.00 - 1000.00
Z2diameter 0.01 - 3000.00
tZ2 0.00 - 6000.00
Table 49: LEXPDIS (40) Group settings (advanced)
Name Values (Range)
DirSuperv Disabled
Enabled
XoffsetDirLine -1000.00 - 3000.00
DirAngle -180.0 - 180.0
Table 50: LEXPDIS (40) Non group settings (basic)
Name Values (Range)
GlobalBaseSel 1 - 6
7.2.6
7.2.7
Technical Manual
Unit Step
- -
% 0.01
% 0.01
s 0.01
Unit Step
- -
% 0.01
Deg 0.1
Unit Step
- 1

Monitored data

Table 51: LEXPDIS (40) Monitored data
Name Type
XOHM REAL
XPERCENT REAL
ROHM REAL
RPERCENT REAL
Operation principle
The Loss of excitation (LEXPDIS ,40) protection in the IED measures the apparent
positive sequence impedance seen out from the generator.
Default Description
Enabled Operation Disable/Enable zone Z2
-10.00 Offset of Z2 circle top point along X axis in %
of Zbase
200.00 Diameter of imedance circle for Z2 in % of
Zbase
1.00 Trip time delay for Z2
Default Description
Disabled Operation Off/On for additional directional
criterion
0.00 Offset of directional line along X axis in % of
Zbase
-13.0 Angle between directional line and R-axis in
degrees
Default Description
1 Selection of one of the Global Base Value
groups
Values (Range) Unit
- Ohm
- %
- Ohm
- %
Section 7
Impedance protection
Description
Reactance in Primary Ohms
Reactance in percent of Zbase
Resistance in Primary Ohms
Resistance in percent of
Zbase
143