ABB Modures LZ92-1 - Page 35

.
Mode
Test Simulated Starter Signals Voltage used
button fault
2)
for meas.
A
R
RT
R R
RT
s
SR
s
E SR
corres-
T
TS T T TS
ponds to E
-- --
E
--
ext
position 1 RE RE RE RE
RE
switch
1
SE
SE
SE SE
SE
(KZ91)
TE TE TE
TE TE
RS
RS
RS
RS
SR
ST ST
ST
ST TS
TR
TR TR TR
RT
RSE
RSE RSE
RSE SR
STE
STE STE
STE TS
TRE TRE TRE
TRE
RT
RST RST RST
RST
RT
RSTE
RSTE'
RSTE RSTE
RT
-
"-
6
R
RT R R
RT
s
SR
s s
SR
corres-
T TS T
T
TS
ponds to E
--
E
E
ext
--
position
2 RE
RsO, tRO RE
RE
RE
switch 1
SE
StO, rSO SE SE
SE
(KZ91)
TE
sTO, TrO TE TE
TE
RS
RS RS
RS
SR
ST ST
ST
ST
TS
TR
TR TR
TR
RT
RSE
RSE RSE
RSE
RE (SE)
1)
STE
STE STE
STE
TE
TRE
TRE
TRE TRE
RE
RST
RST RST
RST
RT
RSTE
RSTE
RSTE
RSTE RT
1) Letters in brackets: cyclical phase-preference
2) Small letters: more distant cross-country fault
Table 6.2 - Faults simulated by the test buttons of the distance relay LZ92
33