/PERATING INSTRUCTIONS
3*
6
# ' #
%ARTH FAULT REPORTS
&OR EARTH FAULTS IN ISOLATED OR COMPENSATED SYSTEMS
DETECTED BY THE EARTH FAULT PROTECTION A SPECIAL EARTH
FAULT DATA STORE IS PROVIDED 4HIS IS AVAILABLE ONLY
WHEN THIS FUNCTION IS NOT PARAMETERIZED TO GIVE TRIP
COMMAND ADDRESS %!24( &!5,4
!,!2-
/.,9
REFER ALSO 3ECTION 5P TO MESSAGES
CAN BE STORED FOR EACH OF THE THREE LAST EARTH FAULTS
)NPUT OF THE CODEWORD IS NOT REQUIRED
4HE SURVEY OF THE EARTH FAULT REPORTS IS OBTAINED FROM
WITH THE
-%.5
KEY
/0%2!4)/. -%.5
OP
TION
%!24( &!5,43 SEE ALSO &IGURE 7HEN
NO DATA ARE AVAILABLE THE DISPLAY SHOWS
4ABLE
EMPTY
/THERWISE THE LAST THREE EARTH FAULTS ARE PRESENTED
&IGURE %ACH OF THE EARTH FAULTS CAN BE SE
LECTED BY THE OPTION NUMBERS
TO
4HE INDIVIDUAL
MESSAGES ARE THE DISPLAYED REFER TO &IGURE
)N THE FOLLOWING ALL THE AVAILABLE EARTH FAULT ANNUNCI
ATIONS ARE INDICATED )N THE CASE OF A SPECIFIC FAULT OF
COURSE ONLY THE ASSOCIATED ANNUNCIATIONS APPEAR IN
THE DISPLAY
%!24( &!5,4
02/4/#/,3
%& $ET
%& $ET
%& $ET
&IGURE %XAMPLE OF AN EARTH FAULT SURVEY
%& $ET
%& $ETECTION #
MS
%& $ETEC , #
MS
%& $ETEC , '
%& $ETECTION '
%& $ET
&IGURE %XAMPLE 2EPORT OF EARTH FAULT NO
UNDER ITEM .O THE DATE AND THE SEQUENCE NUMBER
OF THE EARTH FAULT ARE DISPLAYED
%& $ET
)TEM .O SHOWS THE TIME OF COMMENCEMENT OF THE
EARTH FAULT
%& $ETECTION #
MS
%& $ETEC , #
4HE FOLLOWING ITEMS INDICATE ALL EARTH FAULT ANNUNCI
ATIONS IN CHRONOLOGICAL SEQUENCE 4HEY ARE TAGGED
WITH THE RELATIVE TIME STARTING WITH THE EARTH FAULT DE
TECTION
% &
$ E T E C
,
%ARTH FAULT DETECTED IN PHASE ,
4HE FOLLOWING ITEMS SHOW THE EARTH FAULT DATA
% &
$ E T E C
,
%ARTH FAULT DETECTED IN PHASE ,
% &
$ E T E C
,
%ARTH FAULT DETECTED IN PHASE ,
% &
F O R W A R D S
%ARTH FAULT IN FORWARD DIRECTION IF SET DIRECTIONAL
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