)NTRODUCTION
3*
6
# ' #
)MPLEMENTED FUNCTIONS
3)02/4%# 3* CONTAINS THE FOLLOWING FUNCTIONS
/VERCURRENT TIME PROTECTION
HIGH SET PHASE CURRENT STAGE ) WITH PHASE
SEGREGATED FAULT DETECTION AND PHASE SEGREGATED
DELAY TIMERS
HIGH SET EARTH CURRENT STAGE )
%
WITH INDIVIDUAL
DELAY TIMER
INVERSE TIME PHASE OVERCURRENT STAGE )
P
WITH
PHASE SEGREGATED FAULT DETECTION AND PHASE SEG
REGATED DELAY TIMERS
ALTERNATIVELY DEFINITE TIME PHASE OVERCURRENT
STAGE ) WITH PHASE SEGREGATED FAULT DETECTION
AND PHASE SEGREGATED DELAY TIMERS
INVERSE TIME EARTH OVERCURRENT STAGE )
%P
WITH INDI
VIDUAL DELAY TIMER
ALTERNATIVELY DEFINITE TIME EARTH OVERCURRENT STAGE
)
%
WITH INDIVIDUAL DELAY TIMER
DIFFERENT CURRENT TIME CHARACTERISTICS CAN BE SET
FOR PHASE CURRENTS AND EARTH CURRENT
FOR PHASE CURRENTS SELECTION CAN BE MADE OF
THREE STANDARDIZED CHARACTERISTICS ACCORDING TO
)%# OR OF EIGHT STANDARDIZED CHARACTERISTICS AC
CORDING !.3))%%% OF INVERSE TIME OVERCURRENT
PROTECTION
FOR EARTH CURRENT SELECTION CAN BE MADE OF FOUR
STANDARDIZED CHARACTERISTICS ACCORDING TO )%# OR
OF EIGHT STANDARDIZED CHARACTERISTICS ACCORDING
!.3))%%% OF INVERSE TIME OVERCURRENT PROTECTION
ALTERNATIVELY A USER SPECIFIED CURRENT TIME CHARAC
TERISTIC CAN BE DEFINED
$IRECTIONAL OVERCURRENT TIME PROTECTION
DIRECTIONAL HIGH SET PHASE CURRENT STAGE )
WITH PHASE SEGREGATED FAULT DETECTION AND PHASE
SEGREGATED DELAY TIMERS
DIRECTIONAL HIGH SET EARTH CURRENT STAGE )
%
WITH INDIVIDUAL DELAY TIMER
DIRECTIONAL INVERSE TIME PHASE OVERCURRENT STAGE
)
P
WITH PHASE SEGREGATED FAULT DETECTION AND
PHASE SEGREGATED DELAY TIMERS
ALTERNATIVELY DIRECTIONAL DEFINITE TIME PHASE OVER
CURRENT STAGE ) WITH PHASE SEGREGATED FAULT DE
TECTION AND PHASE SEGREGATED DELAY TIMERS
DIRECTIONAL INVERSE TIME EARTH OVERCURRENT STAGE
)
%P
WITH INDIVIDUAL DELAY TIMER
ALTERNATIVELY DIRECTIONAL DEFINITE TIME EARTH OVER
CURRENT STAGE )
%
WITH INDIVIDUAL DELAY TIMER
DIFFERENT CURRENT TIME CHARACTERISTICS CAN BE SET
FOR PHASE CURRENTS AND EARTH CURRENT
FOR PHASE CURRENTS SELECTION CAN BE MADE OF
THREE STANDARDIZED CHARACTERISTICS ACCORDING TO
)%# OR OF EIGHT STANDARDIZED CHARACTERISTICS AC
CORDING !.3))%%% OF INVERSE TIME OVERCURRENT
PROTECTION
FOR EARTH CURRENT SELECTION CAN BE MADE OF FOUR
STANDARDIZED CHARACTERISTICS ACCORDING TO )%# OR
OF EIGHT STANDARDIZED CHARACTERISTICS ACCORDING
!.3))%%% OF INVERSE TIME OVERCURRENT PROTECTION
ALTERNATIVELY A USER SPECIFIED CURRENT TIME CHARAC
TERISTIC CAN BE DEFINED
OPERATION DIRECTION INDIVIDUALLY SELECTABLE FOR
EACH OF THESE STAGES FORWARDS OR RESERVE
THE NORMAL OVERCURRENT TIME STAGES REMAIN EFFEC
TIVE AS BACK UP STAGES
%ARTH FAULT DETECTION
DISPLACEMENT VOLTAGE DETECTION FOR EARTH FAULT AN
NUNCIATION AND OPTIONAL TRIP
DETECTION OF THE EARTH FAULTED PHASE WHEN USED
IN ISOLATED OR COMPENSATED SYSTEMS
ONLY FOR MODEL 3*
J JJJJ
JJJJ
www
. ElectricalPartManuals
. com
