ABB Modures LZ91 - Page 37

·----·
Mode
Test
Simulated
Starter
Signals
button
fault
1)
T before
T
R
RT
R
R
R
before
s s
SR
s s
s
before T T
TS
T T
cyclical
E
--
E E
ext
RE
RsO, tRO RE
RE
SE
StO, rSO
SE
SE
TE
sTO, TrO
TE
TE
switch 1
RS
RS
RS
RS
(KZ91-l)
ST
ST
ST
ST
TR
TR
TR TR
1
ON
RSE
RSE
RSE
RSE
2
OFF
STE
STE
STE
STE
3
OFF
TRE
TRE
TRE
TRE
4
OFF
RST
RST
RST
RST
RSTE
RSTE
RSTE
RSTE
R before s
R
RT
R R
before T
s
SR
s
s
T
TS
T T
acyclical
E
--
E
E
ext
RE
RsO, tRO
RE
RE
SE
StO,
rso
SE
SE
switch 1
TE
sTO,
TrO
TE
TE
(KZ91-l)
RS
RS
RS
RS
ST
ST
ST
ST
1
ON
TR
TR
TR
TR
2
ON
RSE
RSE
RSE
RSE
3
ON
STE
STE
STE
STE
4
ON
TRE
TRE
TRE
TRE
RST
RST
RST
RST
RSTE
RSTE
RSTE
RSTE
1) Small letters: more distant cross-country fault
2) Directional measurement: same current as distance meas.
Table 6.3 - Continuation
Distance
Direction
measured
determined
using
using
2)
-
·-
RT
ST
SR
TR
TS
RS
--
--
RE
ST
SE
TR
TE
RS
SR
TR
TS
RS
RT
ST
RE
ST
SE
TR
TE
RS
RT
ST
RT
ST
RT
ST
SR
TR
TS
RS
--
--
RE
ST
SE
TR
TE
RS
SR
TR
TS
RS
RT
ST
RE
ST
SE
TR
RE
ST
RT
ST
RT
ST
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